CN117427707A - Process for recycling steel bars and aggregates in waste concrete crushing - Google Patents
Process for recycling steel bars and aggregates in waste concrete crushing Download PDFInfo
- Publication number
- CN117427707A CN117427707A CN202311292569.5A CN202311292569A CN117427707A CN 117427707 A CN117427707 A CN 117427707A CN 202311292569 A CN202311292569 A CN 202311292569A CN 117427707 A CN117427707 A CN 117427707A
- Authority
- CN
- China
- Prior art keywords
- frame
- concrete
- rod
- guide plate
- steel bars
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 32
- 239000002699 waste material Substances 0.000 title claims abstract description 30
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- 229910000831 Steel Inorganic materials 0.000 title claims description 30
- 239000010959 steel Substances 0.000 title claims description 30
- 238000003825 pressing Methods 0.000 claims abstract description 65
- 239000000463 material Substances 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 19
- 238000007873 sieving Methods 0.000 claims abstract description 13
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims description 16
- 239000012615 aggregate Substances 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 10
- 238000013016 damping Methods 0.000 claims description 10
- 239000002893 slag Substances 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 244000309464 bull Species 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000012209 synthetic fiber Substances 0.000 claims description 3
- 229920002994 synthetic fiber Polymers 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000012634 fragment Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 4
- 238000007885 magnetic separation Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C1/00—Crushing or disintegrating by reciprocating members
- B02C1/14—Stamping mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/10—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member
- B02C4/12—Crushing or disintegrating by roller mills with a roller co-operating with a stationary member in the form of a plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/02—Codes relating to disintegrating devices adapted for specific materials for reinforced concrete
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of concrete regeneration, in particular to a process for recovering reinforcing steel bars and aggregates in waste concrete crushing, which is characterized in that a pressing frame, an inclined rod, a feeding frame, a positioning piece and a pressing mechanism are arranged to realize automatic centralizing limitation of a stacking plate during feeding, so that the influence on the separation effect of concrete and reinforcing steel bars due to offset and random movement is reduced; the structure ensures the separation of the concrete and the reinforcing steel bars, avoids the damage of the reinforcing steel bars, reduces the subsequent demagnetizing process and improves the recovery efficiency; the pressing roller assembly and the sieving mechanism are further arranged, so that the concrete blocks with the reinforced bars removed are further crushed, the materials are sieved and discharged separately, the aggregate preparation efficiency is improved, and a complete and efficient recycling process is realized.
Description
Technical Field
The invention relates to the technical field of concrete regeneration, in particular to a process for recycling reinforcing steel bars and aggregates in waste concrete crushing.
Background
The recycled concrete is prepared by crushing, cleaning and grading the waste composite floor slab, mixing with the grading according to a certain proportion, partially or completely replacing natural aggregates such as sand stone and the like, and adding new concrete prepared by cement, water and the like, wherein when the recycled concrete aggregates are prepared, the waste composite floor slab is required to be crushed, so that the waste composite floor slab is forced to meet the manufacturing requirement of the recycled concrete;
when the traditional recycled concrete aggregate manufacturing equipment is used for manufacturing the recycled concrete aggregate, the following problems often exist:
the method comprises the following steps: in the conventional mode of shearing by using clamping jaws to force steel bars to be separated from concrete, in the running process, although the laminated floor slab can be sheared into a plurality of fragments and the concrete at the edge of the slab body is extruded and crushed, the clamping range is limited, so that the deep steel bars in the slab body are difficult to extrude and discharge, meanwhile, the slab body is forced to be divided into a plurality of groups of scattered plates by shearing, the positions of the plates of the laminated floor slab are difficult to determine after each shearing, and the positions of the shearing clamping jaws are required to be continuously adjusted and moved, so that the crushing difficulty is increased, and the manufacturing efficiency of aggregate is reduced;
secondly, directly putting the composite floor slab into crushing equipment for crushing, and then carrying out magnetic separation on a mixture of reinforced steel bars and concrete fragments after the reinforced steel bars and the concrete fragments are forced to form slag, wherein the mode not only has a seriously damaged reinforced steel bar structure, but also causes high magnetic separation difficulty and low magnetic separation efficiency due to the reduction of the volumes of the crushed concrete and the reinforced steel bars, so that the recycled concrete materials are forced to still carry a large amount of reinforced steel bar substances, the recycling efficiency is reduced, and the aggregate manufacture is influenced;
in view of the technical drawbacks of this aspect, a solution is now proposed.
Disclosure of Invention
The invention aims to realize the automatic centering limitation of the stacking plate during feeding by arranging the pressing frame, the inclined rod, the feeding frame, the positioning piece and the pressing mechanism, and reduce the influence on the separation effect of concrete and steel bars due to offset and random movement; the structure ensures the separation of the concrete and the reinforcing steel bars, avoids the damage of the reinforcing steel bars, reduces the subsequent demagnetizing process and improves the recovery efficiency; the pressing roller assembly and the sieving mechanism are further arranged, so that the concrete blocks with the reinforced bars removed are further crushed, the materials are sieved and discharged separately, the aggregate preparation efficiency is improved, and a complete and efficient recycling process is realized.
The aim of the invention can be achieved by the following technical scheme: a technology for recycling steel bars and aggregates in waste concrete crushing is realized by processing a steel bar and aggregate recycling device in waste concrete crushing, and comprises the following steps:
s1: firstly, placing a single group of waste composite floor slabs on the upper end face of a first material guide plate and extending to one end outside an operation box, starting an air cylinder, pushing a pressing frame by using a push rod, a diagonal rod and a pressing mechanism to subside, wherein the diagonal rod firstly contacts the first material guide plate by the pressing mechanism and obliquely pushes the first material guide plate to move, forcing the first material guide plate with a material stacking plate end to move to the inside of the operation box, and moving a material abutting plate to the center position of the feeding frame before the pressing mechanism contacts the first material guide plate; when moving, the front end and the rear end of the stacking plate are automatically righted by using the locating piece, and the pressing mechanism is forced to face the stacking plate;
s2: gradually extruding and crushing the composite floor slab by using a pressing mechanism;
s3: the concrete blocks after extrusion and crushing fall downwards through the long grooves, secondary rolling and crushing are carried out when the concrete blocks slide to the press roller, and after rolling is finished, powder slides downwards to the screen mesh through the inclined surface of the second material guide plate for efficient screening;
s4: and finally, putting the fine-screened aggregate, cement, synthetic fiber, water reducer and water into a mixing container according to a proportion, and stirring and mixing to obtain the new concrete.
Further, a feeding frame is arranged at the middle section of the inner wall at one side of the operation box, an air cylinder is arranged at the center of the inner wall at the top of the operation box, a push rod is arranged at the bottom of the air cylinder, a pressing frame is fixedly arranged at the bottom of the push rod, inclined rods are hinged to the middle section of the front end face and the rear end face of the pressing frame near one side respectively, a pressing mechanism is arranged at the other side of the bottom surface of the pressing frame, the bottom surface of the inclined rods is positioned at one side of the lower end of the pressing mechanism, a sieving mechanism is arranged at the lower end of the feeding frame in the operation box, and discharge ports are arranged at the center and two sides of the bottom of the operation box;
one half of the feeding frame extends to the outside of the operation box, the transverse section of the feeding frame is narrow left and wide right, the front and rear inner walls of the feeding frame are close to the top end and are provided with adaptive sliding grooves, two groups of sliding grooves are connected with a first guide plate in a sliding mode, one end of the first guide plate extends to the outside of the feeding frame, slots are respectively formed in the front and rear positions of one end of the top surface of the first guide plate, one end of the first guide plate, far away from the slots, is equidistantly separated from a plurality of groups of long slots, and positioning pieces are arranged in the long slots.
Further, the pressing mechanism comprises a fixed frame, the fixed frame is fixedly arranged at one end of the bottom surface of the pressing frame, guide rods are respectively arranged at the front end and the rear end of the inside of the pressing frame, one ends of the two groups of guide rods are fixedly connected with connecting rods together, the front end and the rear end of the connecting rods are slidably connected in transverse grooves formed in the front and the rear inner walls of the fixed frame and located at one side, the other ends of the two groups of guide rods extend to the outside of the fixed frame, sleeves are respectively slidably connected at the middle sections of the two groups of guide rods, a long rod I is fixedly arranged between the two groups of sleeves, and a long rod II is fixedly arranged at one end of the two groups of guide rods, which penetrates through the outside;
the fixed frame top inner wall center department is provided with the carousel through the bearing rotation, and the bearing top extends to fixed frame outside and fixed mounting has driving motor, carousel bottom surface is located the front and back end and punishment fixed mounting has the bull stick, and two sets of the bull stick is kept away from the one end of other side and is articulated respectively has the hinge pole, two sets of the one end that the bull stick was kept away from to the hinge pole is articulated with a connecting rod and a stock top surface center department respectively.
Further, a plurality of groups of inserting cylinders are arranged at the bottoms of the first long rod and the second long rod in a penetrating mode at equal intervals, conical rods are arranged inside the inserting cylinders in a penetrating mode, a first spring damping shock absorber is arranged between one end of each conical rod and the inner wall of each inserting cylinder, the other end of each conical rod extends to the outside of each inserting cylinder, a chute is arranged at one side of the outside of each inserting cylinder, a round shaft is arranged at one side of the bottom face of each conical rod, and the round shaft is connected inside the chute and is located at the lower end of each chute in a sliding mode.
Further, the inside stock guide second that is provided with the slope form in stock guide lower extreme department of stock guide, and stock guide second lower one end vertical extension to the stock guide bottom, the inside lower one end department upper end department that is located stock guide second of stock guide is provided with the compression roller, and the compression roller front and back end is connected with the rotation of stock guide inner wall through the pivot, the front end bearing of compression roller extends to the stock guide outside and is provided with biax motor, the front end bearing department fixed mounting of biax motor has the driving gear.
Further, the locating piece comprises two groups of inverted convex sliding drums, the two groups of inverted convex sliding drums are respectively arranged at the front end and the rear end of the inside of the long groove in a sliding mode, the top of each inverted convex sliding drum extends to the outside of the long groove, a conical sheet is fixedly arranged at the center of the top of each inverted convex sliding drum, the tips of the conical sheets are opposite in front and back, the bottoms of the two groups of inverted convex sliding drums extend to the long groove and are fixedly provided with abutting sheets, one ends of the abutting sheets, far away from the inverted convex sliding drums, are in a curved surface shape and abut against the inner wall of the feeding frame, an inner groove is formed in the upper end face of each abutting sheet, the inner groove is located close to the sliding rod of each inverted convex sliding drum in a sliding mode, the bottom face of each sliding rod is fixedly connected with one bottom face of the corresponding guide plate, and a spring damping damper II is jointly arranged between the sliding rod and the inner wall of the other in the inner groove.
Further, the mechanism that sieves includes the rectangle sliding frame, the rectangle sliding frame sets up and is located the pay-off frame lower extreme in the operation box is inside, the inside concave card frame that the inner wall is located both sides department around the operation box of sliding connection is around the rectangle sliding frame respectively, is close to two sets of concave card frame top inner wall equidistance is provided with a plurality of groups tooth's socket, the terminal surface center is close to both sides punishment fixed mounting has a spacing section of thick bamboo before the rectangle sliding frame, two sets of be provided with the triangle runner between the spacing section of thick bamboo, and the edges and corners department of triangle runner all are curved surface structure, triangle runner passes through the bearing rotation and connects in operation box front end inner wall department, and the bearing outside is located between operation box front end inner wall and the triangle runner and is provided with driven gear, joint has the drive belt between driven gear and the driving gear.
Further, the inside three-quarter that is provided with of rectangle sliding frame connects the flitch, connect flitch one end to rectangle sliding frame upper end department, and connect flitch top surface one side department and lie in rectangle sliding frame middle section department embedded install the screen cloth, connect flitch front and back end center department respectively through bearing fixed mounting have spacing gear, spacing gear runs through the spacing groove of seting up near one side department in rectangle sliding frame front and back inner wall center respectively, and spacing gear top surface extends to spacing groove outside.
Further, the extrusion crushing process in S2 specifically includes: the material stacking plate is positioned between the first long rod and the second long rod, the driving motor is started to drive the turntable and the rotating rod to rotate anticlockwise, the two groups of hinge rods push the connecting rod and the first long rod to move reversely, the second long rod and the first long rod are close to each other, meanwhile, the edges of two sides of the laminated floor slab are extruded, concrete at the edges of the slab body is gradually disintegrated due to the fact that the concrete is extruded by the plurality of groups of taper rods, and the concrete is continuously screened out downwards through the long grooves and separated from the steel bars;
after the stacking plate is extruded for the first time, the whole length of the stacking plate is shortened, at the moment, the rotary table rotates, the long rod II and the long rod I are respectively far away from the stacking plate to store force again, then the rotary table reverses again, the reversing rotation amplitude is larger than the first rotation amplitude, the distance between the long rod I and the long rod II is forced to be closer, the stacking floor slab is further extruded, the concrete of the stacking floor slab is gradually broken step by step, the concrete is forced to be separated from the reinforcing steel bar, the concrete is led downwards along with the long groove, the separated reinforcing steel bar stays on one surface of the material guiding plate, the separation of the long rod II and the long rod I is guaranteed, the damage of the reinforcing steel bar is avoided, and the subsequent demagnetizing process is reduced.
Further, the secondary rolling and sieving process in S3 specifically includes: firstly, starting a double-shaft motor, driving a compression roller and a driving gear to rotate at the same time, and driving a driven gear and a triangular rotating wheel to rotate at the same time by matching with a transmission belt, wherein the compression roller continuously extrudes concrete blocks to force waste concrete to be in a broken state; then, the second guide plate slides down to the screen to screen, the screen screens, not only the crushed concrete slag is scattered, and the soil slag with similar volume is conveniently screened out and is discharged and collected outwards by utilizing the discharge hole in the center, but also two groups of limit cylinders are continuously pushed along with the rotation of the triangular rotating wheel, the rectangular sliding frame is forced to reciprocate, the screening of the concrete slag on the surface of the screen is accelerated, the limit gear moves to the inside of the concave clamping frame on one side along with the rectangular sliding frame, the protruding limit gear is meshed with the tooth grooves to realize the clockwise turning of the material plate, the concrete slag which cannot be screened is discharged through the discharge hole on the side surface, and the material receiving plate is quickly corrected when the rectangular sliding frame moves to the other side, so that the complete and efficient recycling process of the concrete slag is realized.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the pressing frame, the inclined rod, the feeding frame, the positioning piece and the pressing mechanism are arranged, the inclined rod is used for obliquely pushing the first material guide plate to move before the pressing mechanism contacts the first material guide plate, so that the first material guide plate with the first material stack is forced to move into the operation box, the material abutting plate is moved to the central position of the feeding frame before the pressing mechanism contacts the first material guide plate, in the process, the positioning piece is used for automatically clamping the laminated floor slab, so that the automatic centering of the laminated floor slab to be crushed is realized, the alignment of the laminated floor slab and the pressing mechanism is kept, the influence on the extrusion crushing effect caused by any movement of the laminated floor slab during extrusion crushing is reduced, and the crushing efficiency is improved;
2. the invention is through setting up the swager, it forces the second pole to get close to each other with the long pole through reversing of the rotary table, squeeze both sides edge of the laminated floor at the same time, the concrete of the edge of the board body is broken up gradually because of being bored and squeezed by the multiunit awl pole, after restoring the power again, repeat the former action, and increase the rotation range, force the distance between long pole one and long pole two more and further squeeze the laminated floor, so the gradual breaking up of laminated floor concrete of step by step, the structure has guaranteed the separation of concrete and reinforcing bar, avoid the reinforcing bar from damaging and reducing the subsequent demagnetizing process, raise the recovery efficiency.
3. The invention further breaks the automatically separated concrete blocks by arranging the compression roller assembly and the sieving mechanism, in the breaking process, the sieving mechanism realizes reciprocating sieving of the concrete crushed aggregates, quickens sieving, realizes intermittent overturning of a screen mesh, forces the sieved materials and the materials which are not discharged to be collected separately, further improves the aggregate preparation efficiency and realizes a complete and efficient recycling process by virtue of the driving force of the compression roller assembly
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the operator's compartment of the present invention;
FIG. 3 is a top cross-sectional view of the operator's compartment of the present invention;
FIG. 4 is a bottom view of a portion of the guide plate of the present invention in combination with a positioning member;
FIG. 5 is a cross-sectional view of a feed frame of the present invention;
FIG. 6 is a top view of the press mechanism of the present invention;
FIG. 7 is a bottom cross-sectional view of the press mechanism of the present invention;
FIG. 8 is a top view of the screening mechanism of the present invention;
fig. 9 is a schematic perspective view of a concave card frame according to the present invention.
In the figure: 1. an operation box; 2. a feeding frame; 21. a chute; 22. a first material guide plate; 23. a slot; 24. a long groove; 25. a positioning piece; 251. a reverse convex sliding cylinder; 252. conical sheets; 253. abutting the sheet; 254. an inner tank; 255. a slide bar; 256. a spring damping damper II; 26. a second material guide plate; 27. a press roller; 28. a biaxial motor; 29. a drive gear; 3. a cylinder; 4. a push rod; 5. pressing a frame; 6. a diagonal rod; 7. a material pressing mechanism; 71. a fixed frame; 72. a guide rod; 73. a connecting rod; 731. a transverse groove; 74. a sleeve; 75. a long rod I; 76. a second long rod; 77. a turntable; 78. a driving motor; 79. a rotating rod; 710. a hinge rod; 711. a plug cylinder; 712. a taper rod; 713. a spring damping damper I; 714. a chute; 715. a circular shaft; 8. a sieving mechanism; 81. a rectangular sliding frame; 82. a concave clamping frame; 83. tooth slots; 84. a limiting cylinder; 85. triangle rotating wheel; 86. a driven gear; 87. a transmission belt; 88. a receiving plate; 89. a screen; 810. a limit gear; 811. a limit groove; 9. and a discharge port.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-9, a process for recycling steel bars and aggregates in waste concrete crushing is realized by processing a steel bar and aggregate recycling device in waste concrete crushing, and comprises an operation box 1, wherein a feeding frame 2 is arranged at the middle section of the inner wall of one side of the operation box 1, one half of the feeding frame 2 extends to the outside of the operation box 1, the transverse cross section of the feeding frame 2 is narrow left and right, adaptive sliding grooves 21 are formed in the positions, close to the top end, of the front and rear inner walls of the feeding frame 2, two groups of sliding grooves 21 are connected with a first guide plate 22 in a sliding manner, one end of the first guide plate 22 extends to the outside of the feeding frame 2, slots 23 are respectively formed in the front and rear positions of the top surface of the first guide plate 22 at one end, and a plurality of groups of long grooves 24 are formed in the equidistant separation of the upper ends of the first guide plate 22 away from the slots 23;
the center of the inner wall of the top of the operation box 1 is provided with a cylinder 3, the bottom of the cylinder 3 is provided with a push rod 4, the bottom of the push rod 4 is fixedly provided with a pressing frame 5, the middle sections of the front end surface and the rear end surface of the pressing frame 5 are respectively hinged with a diagonal rod 6 near one side, the other side of the bottom surface of the pressing frame 5 is provided with a pressing mechanism 7, the bottom surface of the diagonal rod 6 is positioned at one side of the lower end of the pressing mechanism 7, the inside of the operation box 1 is provided with a sieving mechanism 8 at the lower end of the feeding frame 2, the center and the two sides of the bottom of the operation box 1 are provided with discharge ports 9, a single group of waste laminated floor slabs are placed at a first guide plate 22 extending outside the operation box 1, the cylinder 3 is started to utilize the push rod 4 to push the pressing frame 5, the diagonal rod 6 and the pressing mechanism 7 to settle, the diagonal rod 6 contacts the first guide plate 22 before the pressing mechanism 7 and obliquely pushes the first guide plate 22 to move, so that the first guide plate 22 is forced to store a stacking plate end into the operation box 1, and the material pushing plate is moved to the center of the feeding frame 2 before the pressing mechanism 7 contacts the first guide plate 22;
the positioning pieces 25 are arranged in each group of long grooves 24, each positioning piece 25 comprises two groups of inverted convex sliding drums 251, the two groups of inverted convex sliding drums 251 are respectively slid in the long grooves 24 and positioned at the front end and the rear end, the tops of the inverted convex sliding drums 251 extend to the outside of the long grooves 24, a superposed floor slab is placed on the surface of a first guide plate 22 and positioned between the front and rear adjacent inverted convex sliding drums 251, a conical piece 252 is fixedly arranged at the center of the tops of the inverted convex sliding drums 251, the tips of the front and rear adjacent two groups of conical pieces 252 are opposite, the bottoms of the two groups of inverted convex sliding drums 251 extend to the long grooves 24 and are fixedly provided with a propping piece 253, one end of the propping piece 253, which is far away from the inverted convex sliding drums 251, is in a curved shape and propped against the inner wall of a feeding frame 2, an inner groove 254 is formed in the upper end face of the propping piece 253, the inner part of the inner groove 254 is positioned close to the inverted convex sliding drums 251 and is in sliding connection with a sliding bar 255, the bottom surface of the sliding bar 255 is fixedly connected with the bottom of the first guide plate 22, and a spring damping damper 256 is jointly arranged between the sliding bar 255 and the inner wall of the other side of the inner groove 254;
with the movement of the first guide plate 22, the plate body and the plurality of groups of positioning pieces 25 move from the wider end to the narrower end of the feeding frame 2, meanwhile, the abutting pieces 253 at the front end and the rear end are simultaneously close to the center due to the change of the inner width of the feeding frame 2, the sliding rod 255 and the inner groove 254 relatively move and force the second spring damping damper 256 to compress, so that the front and rear corresponding inverted convex sliding cylinders 251 and the conical pieces 252 are mutually close to simultaneously abut against the front end and the rear end of the laminated floor slab, and part of the conical pieces 252 are inserted into the laminated floor slab, so that the limiting, abutting and automatic righting of the laminated floor slab are realized, thereby facilitating the pressing and crushing of the plate body by the pressing mechanism 7, and reducing the arbitrary movement of the plate body during pressing to influence the pressing and crushing effect.
Embodiment two:
referring to fig. 6 and 7, the pressing mechanism 7 includes a fixed frame 71, the fixed frame 71 is fixedly installed at one end of the bottom surface of the pressing frame 5, guide rods 72 are respectively disposed at the front and rear ends of the inside of the pressing frame 5, one ends of two groups of guide rods 72 are fixedly connected with a connecting rod 73 together, the front and rear ends of the connecting rod 73 are slidably connected in a transverse groove 731 formed in the front and rear inner walls of the fixed frame 71 at one side, the other ends of the two groups of guide rods 72 extend to the outside of the fixed frame 71, sleeves 74 are respectively slidably connected at the middle sections of the two groups of guide rods 72, a first long rod 75 is fixedly installed between the two groups of sleeves 74, and a second long rod 76 is fixedly installed at one end penetrating the outside between the two groups of guide rods 72;
a turntable 77 is rotatably arranged at the center of the inner wall of the top of the fixed frame 71 through a bearing, the top of the bearing extends to the outside of the fixed frame 71 and is fixedly provided with a driving motor 78, the bottom surface of the turntable 77 is respectively fixedly provided with a rotating rod 79 at the front end and the rear end, one ends of the two groups of rotating rods 79 far away from each other are respectively hinged with a hinge rod 710, one ends of the two groups of hinge rods 710 far away from the rotating rods 79 are respectively hinged with the connecting rod 73 and the center of the top surface of a long rod 75, a plurality of groups of inserting cylinders 711 penetrate through the bottom of the long rod 75 at equal distance, and a cone rod 712 penetrates through the inside of each group of inserting cylinders 711;
when the stacking plate is positioned between the first long rod 75 and the second long rod 76, the driving motor 78 is started to drive the turntable 77 and the rotating rod 79 to rotate anticlockwise, the two groups of hinge rods 710 push the connecting rods 73 and the first long rod 75 to move reversely respectively, the second long rod 76 and the first long rod 75 are close to each other, meanwhile, the edges of two sides of the laminated floor slab are extruded, concrete at the edges of the plate body is gradually disintegrated due to the extrusion of the plurality of groups of cone rods 712, and the concrete is continuously screened out downwards through the long grooves 24 and separated from the steel bars;
after the stacking plate is extruded for the first time, the overall length of the stacking plate is shortened, at the moment, through the rotation of the rotary table 77, the long rod II 76 and the long rod I75 are respectively far away from the stacking plate to store force again, then the rotary table 77 is reversed again, the reversing rotation amplitude is larger than the first rotation amplitude, the distance between the long rod I75 and the long rod II 76 is more similar, the stacking floor slab is further extruded, the concrete of the stacking floor slab is crushed step by step, the concrete is forced to be separated from the steel bars, the concrete is led downwards along with the long groove 24, the separated steel bars stay on the surface of the first guide plate 22, the separation of the long rod II and the long rod I75 is guaranteed, the steel bars are prevented from being damaged, and the subsequent demagnetizing process is reduced;
a first spring damping damper 713 is arranged between one end of the conical rod 712 and the inner wall of the inserting cylinder 711, the other end of the conical rod 712 extends to the outer part of the inserting cylinder 711, a chute 714 is arranged at one side of the outer part of the inserting cylinder 711, a round shaft 715 is arranged at one side of the bottom surface of the conical rod 712, the round shaft 715 is in sliding connection with the lower end of the chute 714, the first long rod 75 and the second long rod 76 are simultaneously propped against each other, when the conical rod 712 impacts the edge of a stacking plate, the first spring damping damper 713 is inserted into the inserting cylinder 711 due to the propping, the first spring damping damper 713 is forced to compress, and when the conical rod 712 is propped against, the round shaft 715 slides along the track of the chute 714, the conical rod 712 is rotated and inserted into the inserting cylinder 711, and only the tip part of the conical rod 712 is left outside the inserting cylinder 711.
Embodiment III:
referring to fig. 2, 5, 8 and 9, a slant guide plate two 26 is disposed at the lower end of the guide plate one 22 in the feeding frame 2, the lower end of the guide plate two 26 extends vertically to the bottom of the feeding frame 2, a press roller 27 is disposed at the upper end of the lower end of the guide plate two 26 in the feeding frame 2, the crushed concrete blocks fall down through the long groove 24 and slide down to the press roller 27, the front end and the rear end of the press roller 27 are rotationally connected with the inner wall of the feeding frame 2 through a rotating shaft, the front end bearing of the press roller 27 extends to the outside of the feeding frame 2 and is provided with a double-shaft motor 28, a driving gear 29 is fixedly mounted at the front end bearing of the double-shaft motor 28, the double-shaft motor 28 is started to drive the press roller 27 and the driving gear 29 to rotate simultaneously, the press roller 27 continuously extrudes the concrete blocks, the waste concrete is forced to be in a powder shape, and then slides down through the slant of the guide plate two 26;
the sieving mechanism 8 comprises a rectangular sliding frame 81, wherein the rectangular sliding frame 81 is arranged in the operation box 1 and positioned at the lower end of the feeding frame 2, the front end and the rear end of the rectangular sliding frame 81 are respectively and slidably connected in a concave clamping frame 82 fixedly arranged at the front inner wall and the rear inner wall of the operation box 1 and positioned at two sides, a plurality of groups of tooth grooves 83 are equidistantly arranged on the inner walls of the tops of two groups of concave clamping frames 82 close to one side, limiting cylinders 84 are respectively and fixedly arranged at the centers of the front end surfaces of the rectangular sliding frame 81 close to two sides, a triangular rotating wheel 85 is arranged between the two groups of limiting cylinders 84, and the edges of the triangular rotating wheel 85 are of a curved surface structure;
the triangular rotating wheel 85 is rotationally connected to the inner wall of the front end of the operation box 1 through a bearing, a driven gear 86 is arranged between the inner wall of the front end of the operation box 1 and the triangular rotating wheel 85 outside the bearing, a transmission belt 87 is sleeved between the driven gear 86 and the driving gear 29 together, a three-quarter long receiving plate 88 is arranged inside the rectangular sliding frame 81, one end of the receiving plate 88 extends to the upper end of the rectangular sliding frame 81, a screen 89 is embedded and installed at one side of the top surface of the receiving plate 88 and at the middle section of the rectangular sliding frame 81, concrete fragments slide down to the screen 89 through the inclination of the second guide plate 26, and the crushed concrete fragments are screened through the screen 89, so that the crushed concrete fragments are not only scattered, but also are conveniently screened out, and the soil residues with similar volumes are discharged outwards and collected through a central discharge hole 9;
the center of the front end and the rear end of the material receiving plate 88 are respectively fixedly provided with a limiting gear 810 through bearings, the limiting gears 810 respectively penetrate through limiting grooves 811 formed in the centers of the front inner wall and the rear inner wall of the rectangular sliding frame 81 and close to one side, the top surfaces of the limiting gears 810 extend to the outside of the limiting grooves 811, the driven gears 86 and the triangular rotating wheels 85 are driven to rotate simultaneously by being matched with the driving belt 87, the triangular rotating wheels 85 rotate automatically to continuously push two groups of limiting cylinders 84 and force the rectangular sliding frame 81 to reciprocate, concrete residues on the surface of the screen 89 are screened, the limiting gears 810 move to the inside of the concave clamping frame 82 on one side along with the rectangular sliding frame 81, the protruding limiting gears 810 are meshed with the tooth grooves 83 to realize clockwise pointer overturning of the material receiving plate 88, the non-screened concrete residues are discharged through the discharge openings 9 on the side, and when the rectangular sliding frame 81 moves to the other side, namely the material receiving plate 88 is quickly corrected, so that the efficient screening of the concrete residues is realized, and a complete and efficient recovery process is realized.
According to the embodiment I to the embodiment III, separation of the reinforcing steel bars and concrete of the composite floor slab can be achieved under the condition that the reinforcing steel bars are not broken, the integrity of the reinforcing steel bars is protected to the greatest extent, meanwhile, the follow-up demagnetizing screening procedure is lightened, the separation efficiency of the concrete and the reinforcing steel bars is improved, meanwhile, the separated concrete blocks are further crushed by using a pressing roller 27 structure, the separated concrete blocks are automatically fed to a screening mechanism 8 for screening through double crushed concrete crushed aggregates, the screening mechanism 8 achieves reciprocating motion and intermittent overturning through driving power of the pressing roller 27, and the structure is different from a conventional screening mode, and achieves the effects of efficient screening and automatic material separation of the prepared aggregate to form a complete and efficient recycling process.
Embodiment four:
a technology for recycling steel bars and aggregates in waste concrete crushing comprises the following steps:
s1: firstly, placing a single group of waste composite floor slabs on the upper end face of a first material guide plate 22 and extending to one end outside an operation box 1, starting a cylinder 3, pushing a pressing frame 5, an inclined rod 6 and a pressing mechanism 7 by using a push rod 4 to subside, enabling the inclined rod 6 to contact the first material guide plate 22 before the pressing mechanism 7 contacts the first material guide plate 22 and obliquely pushing the first material guide plate 22 to move, forcing the first material guide plate 22 to have a material stacking plate end to move to the inside of the operation box 1, and moving a material abutting plate to the center position of the feeding frame 2 before the pressing mechanism 7 contacts the first material guide plate 22; when moving, the front and rear ends of the stacking plate are automatically righted by using the locating piece 25, so that the pressing mechanism 7 is forced to face the stacking plate;
s2: gradually extruding and crushing the composite floor slab by using a pressing mechanism 7;
s3: the extruded and crushed concrete blocks fall downwards through the long grooves 24, secondary rolling and crushing are carried out when the concrete blocks slide to the press rolls 27, and after rolling, powder slides downwards to the screen 89 through the inclined surface of the second guide plate 26 for high-efficiency screening;
s4: and finally, putting the fine-screened aggregate, cement, synthetic fiber, water reducer and water into a mixing container according to a proportion, and stirring and mixing to obtain the new concrete.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. The technology for recycling the steel bars and the aggregates in the waste concrete crushing is realized by processing a steel bar and aggregate recycling device in the waste concrete crushing, and is characterized by comprising the following steps of:
s1: firstly, placing a single group of waste composite floor slabs on the upper end face of a first material guide plate (22) and extending to one end outside an operation box (1), starting an air cylinder (3), pushing a pressing frame (5), an inclined rod (6) and a pressing mechanism (7) to subside by using a push rod (4), enabling the inclined rod (6) to contact the first material guide plate (22) before the pressing mechanism (7) contacts the first material guide plate (22) and obliquely pushing the first material guide plate (22) to move, forcing the first material guide plate (22) to store the end of the material stack to move to the inside of the operation box (1), and moving a material abutting plate to the center position of the feeding frame (2) before the pressing mechanism (7) contacts the first material guide plate (22); when moving, the front end and the rear end of the stacking plate are automatically righted by using a locating piece (25), and the pressing mechanism (7) is forced to face the stacking plate;
s2: gradually extruding and crushing the laminated floor slab by using a pressing mechanism (7);
s3: the extruded and crushed concrete blocks fall downwards through the long grooves (24), secondary rolling and crushing are carried out when the concrete blocks slide to the press rolls (27), and after rolling is finished, powder slides downwards to the screen (89) through the inclined surface of the second material guide plate (26) for efficient screening;
s4: and finally, putting the fine-screened aggregate, cement, synthetic fiber, water reducer and water into a mixing container according to a proportion, and stirring and mixing to obtain the new concrete.
2. The process for recycling the steel bars and the aggregates in the crushing of the waste concrete according to claim 1 is characterized in that a feeding frame (2) is arranged at the middle section of the inner wall of one side of the operation box (1), a cylinder (3) is arranged at the center of the inner wall of the top of the operation box (1), a push rod (4) is arranged at the bottom of the cylinder (3), a pressing frame (5) is fixedly arranged at the bottom of the push rod (4), a diagonal rod (6) is hinged to the middle section of the front end face and the rear end face of the pressing frame (5) close to one side respectively, a pressing mechanism (7) is arranged at the other side of the bottom surface of the pressing frame (5), the bottom surface of the diagonal rod (6) is positioned at one side of the lower end of the pressing mechanism (7), a sieving mechanism (8) is arranged at the lower end of the inner part of the operation box (1), and discharge ports (9) are arranged at the center and two sides of the bottom of the operation box (1);
one half of the feeding frame (2) extends to the outside of the operation box (1), the transverse cross section of the feeding frame (2) is narrow and wide in the left and right, the front and rear inner walls of the feeding frame (2) are close to the top end and are provided with adaptive sliding grooves (21), two groups of sliding grooves (21) are connected with a first guide plate (22) in a sliding mode, one end of the first guide plate (22) extends to the outside of the feeding frame (2), the top surface of the first guide plate (22) is located at the front and rear of one end, slots (23) are respectively formed in the front and rear of the top surface of the first guide plate, a plurality of groups of long slots (24) are formed in the front and rear of one end of the first guide plate (22), far away from the slots (23), and positioning pieces (25) are arranged in the long slots (24).
3. The process for recycling steel bars and aggregates in the crushing of waste concrete according to claim 2, wherein the pressing mechanism (7) comprises a fixed frame (71), the fixed frame (71) is fixedly arranged at one end of the bottom surface of the pressing frame (5), guide rods (72) are respectively arranged at the front end and the rear end of the inside of the pressing frame (5), one ends of two groups of guide rods (72) are fixedly connected with a connecting rod (73) together, the front end and the rear end of the connecting rod (73) are slidably connected in a transverse groove (731) formed in one side of the front inner wall and the rear inner wall of the fixed frame (71), the other ends of the two groups of guide rods (72) extend to the outside of the fixed frame (71), sleeves (74) are respectively and slidably connected in the middle sections of the two groups of guide rods (72), a long rod one (75) is fixedly arranged between the two groups of the sleeves (74), and a long rod two (76) is fixedly arranged at one end penetrating the outside of the two groups of guide rods (72);
the fixed frame (71) top inner wall center department is provided with carousel (77) through the bearing rotation, and the bearing top extends to fixed frame (71) outside and fixed mounting have driving motor (78), carousel (77) bottom surface is located front and back end punishment do not fixed mounting has bull stick (79), and two sets of bull stick (79) keep away from one end of counterparty and articulate respectively have hinge pole (710), two sets of hinge pole (710) keep away from one end of bull stick (79) and articulate with connecting rod (73) and stock (75) top surface center department respectively.
4. A process for recycling steel bars and aggregates in waste concrete crushing according to claim 3, wherein a plurality of groups of inserting barrels (711) are arranged at equal distances between the first long rod (75) and the bottom of the second long rod (76), conical rods (712) are arranged inside each group of inserting barrels (711) in a penetrating manner, a first spring damping damper (713) is arranged between one end of each conical rod (712) and the inner wall of each inserting barrel (711), the other end of each conical rod (712) extends to the outside of each inserting barrel (711), a chute (714) is arranged at one side of the outside of each inserting barrel (711), a circular shaft (715) is arranged at one side of the bottom of each conical rod (712), and the circular shafts (715) are connected inside the chute (714) in a sliding manner and are arranged at the lower end of each inserting barrel.
5. The process for recycling steel bars and aggregates in waste concrete crushing according to claim 2, wherein a second inclined guide plate (26) is arranged at the lower end of the first guide plate (22) in the feeding frame (2), one lower end of the second guide plate (26) vertically extends to the bottom of the feeding frame (2), a press roller (27) is arranged at the upper end of the lower end of the second guide plate (26) in the feeding frame (2), the front end and the rear end of the press roller (27) are rotatably connected with the inner wall of the feeding frame (2) through a rotating shaft, a front end bearing of the press roller (27) extends to the outside of the feeding frame (2) and is provided with a double-shaft motor (28), and a driving gear (29) is fixedly arranged at the front end bearing of the double-shaft motor (28).
6. The process for recycling reinforcing steel bars and aggregates in waste concrete crushing according to claim 2, wherein the positioning piece (25) comprises two groups of inverted convex sliding drums (251), the two groups of inverted convex sliding drums (251) are respectively sliding in the long groove (24) and are positioned at the front end and the rear end, the top of each inverted convex sliding drum (251) extends to the outside of the long groove (24), a conical piece (252) is fixedly arranged at the center of the top of each inverted convex sliding drum (251), the tips of the front adjacent group and the rear adjacent group of conical pieces (252) are opposite, the bottoms of the two groups of inverted convex sliding drums (251) extend to the long groove (24) and are fixedly provided with a supporting piece (253), one end of each supporting piece (253) far away from each inverted convex sliding drum (251) is in a curved shape and is propped against the inner wall of the feeding frame (2), an inner groove (254) is formed in the upper end face of each supporting piece (253), the inner groove (254) is positioned close to the outside the long groove (24), the inner groove (254) and is in sliding connection with a sliding rod (255), the bottom surface of each inverted convex sliding drum (255) is fixedly connected with the bottom surface of the guide plate (22), the bottom surface of each supporting piece is fixedly connected with the corresponding to the inner side of the corresponding sliding rod (255), and the inner side of the inner groove (255) is provided with the inner wall of the inner side of the inner damper.
7. The process for recycling steel bars and aggregates in waste concrete crushing according to claim 2, wherein the sieving mechanism (8) comprises a rectangular sliding frame (81), the rectangular sliding frame (81) is arranged at the lower end of the feeding frame (2) inside the operation box (1), the front end and the rear end of the rectangular sliding frame (81) are respectively and slidably connected inside a concave clamping frame (82) fixedly arranged at the front end and the rear end of the operation box (1) and positioned at two sides, a plurality of groups of tooth grooves (83) are formed in the inner wall of the top of the concave clamping frame (82) close to one side at equal distance, limit barrels (84) are fixedly arranged at the positions, close to the two sides, of the center of the front end surface of the rectangular sliding frame (81), triangular rotating wheels (85) are arranged between the limit barrels (84), the corner angles of the triangular rotating wheels (85) are of curved structures, the triangular rotating wheels (85) are rotatably connected at the front end inner wall of the operation box (1) through bearings, driven gears (86) are arranged between the front end inner wall of the operation box (1) and the triangular rotating wheels (85), and driving gears (87) are sleeved together, and driving gears (29) are sleeved.
8. The process for recycling steel bars and aggregates in waste concrete crushing according to claim 7, wherein three-quarters of a material receiving plate (88) is arranged inside the rectangular sliding frame (81), one end of the material receiving plate (88) extends to the upper end of the rectangular sliding frame (81), a screen (89) is embedded and installed at one side of the top surface of the material receiving plate (88) and at the middle section of the rectangular sliding frame (81), limiting gears (810) are fixedly installed at the centers of the front end and the rear end of the material receiving plate (88) through bearings respectively, limiting grooves (811) formed in the centers of the front wall and the rear wall of the rectangular sliding frame (81) and close to one side of the centers of the inner walls of the rectangular sliding frame respectively, and the top surface of the limiting gears (810) extends to the outside of the limiting grooves (811).
9. The process for recycling steel bars and aggregates in the crushing of waste concrete according to claim 1, wherein the extrusion crushing process in S2 specifically comprises: the stacking plate is positioned between the first long rod (75) and the second long rod (76), a driving motor (78) is started to drive the turntable (77) and the rotating rod (79) to rotate anticlockwise, the two groups of hinge rods (710) push the connecting rod (73) and the first long rod (75) to move reversely respectively, the second long rod (76) and the first long rod (75) are close to each other, meanwhile, the edges of two sides of the stacking floor slab are extruded, concrete at the edges of the slab body is gradually disintegrated due to the drilling extrusion of a plurality of groups of conical rods (712), and the concrete is continuously screened downwards through the long grooves (24) and separated from the reinforcing steel bars;
after the stacking plate is extruded for the first time, the overall length of the stacking plate is shortened, at the moment, the rotary table (77) rotates, the long rod II (76) and the long rod I (75) are respectively far away from the stacking plate to store force again, then the rotary table (77) reverses again, the reversing rotation amplitude is larger than the first rotation amplitude, the distance between the long rod I (75) and the long rod II (76) is more similar, the stacking plate is extruded further, so that the concrete of the stacking plate is crushed gradually and gradually, the concrete is forced to be separated from the reinforcing steel bars, the concrete is led downwards along with the long grooves (24), and the separated reinforcing steel bars stay on the surface of the first guide plate (22), so that the separation of the long rod II and the long rod I (75) is guaranteed, the reinforcing steel bars are prevented from being damaged, and the subsequent demagnetizing process is reduced.
10. The process for recycling steel bars and aggregates in the crushing of waste concrete according to claim 1, wherein the secondary rolling and screening process in S3 specifically comprises the following steps: firstly, starting a double-shaft motor (28), simultaneously driving a press roller (27) and a driving gear (29) to rotate, and driving a driven gear (86) and a triangular rotating wheel (85) to rotate simultaneously by matching with a transmission belt (87), wherein the press roller (27) continuously extrudes concrete blocks to force waste concrete to be in a broken state; then, slide to screen cloth (89) department through the slope of stock guide two (26) and screen through screen cloth (89), not only break up the concrete slag that rolls, and conveniently with the close soil sediment of wherein screening out and utilize discharge gate (9) at center outwards to discharge and collect, and follow triangle runner (85) and constantly promote two sets of spacing section of thick bamboo (84), and force rectangle sliding frame (81) reciprocating motion, accelerate the concrete slag screening to screen cloth (89) surface, and move to inside concave card frame (82) in one side along with rectangle sliding frame (81) at spacing gear (810), protruding spacing gear (810) mesh with tooth's socket (83) and realize the clockwise upset of butt stock board (88), discharge the concrete slag that fails to screen through discharge gate (9) at side, and when rectangle sliding frame (81) are moved to the opposite side, promptly connect stock board (88) to retrieve the positive fast, realize the high-efficient screening to the concrete slag, realize complete high-efficient technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311292569.5A CN117427707B (en) | 2023-10-08 | 2023-10-08 | Process for recycling steel bars and aggregates in waste concrete crushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311292569.5A CN117427707B (en) | 2023-10-08 | 2023-10-08 | Process for recycling steel bars and aggregates in waste concrete crushing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117427707A true CN117427707A (en) | 2024-01-23 |
| CN117427707B CN117427707B (en) | 2024-05-07 |
Family
ID=89557427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311292569.5A Active CN117427707B (en) | 2023-10-08 | 2023-10-08 | Process for recycling steel bars and aggregates in waste concrete crushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117427707B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1176845A (en) * | 1997-09-01 | 1999-03-23 | Kajima Corp | Method of crushing concrete block and concrete block crusher |
| JP2005334844A (en) * | 2004-05-31 | 2005-12-08 | Akatsuki Kinzoku Kogyo:Kk | Crusher of concrete pillar |
| CN111701702A (en) * | 2020-06-24 | 2020-09-25 | 林超 | System and process for recycling and reusing construction solid waste and cement prefabricated members |
| CN111790471A (en) * | 2020-07-14 | 2020-10-20 | 山东科技大学 | Crushing and screening integrated machine for mine gangue aggregate |
| CN217774770U (en) * | 2022-08-09 | 2022-11-11 | 安徽三虎机械科技有限公司 | Environmental protection sieve convenient to installation and prevent blockking up |
| CN115414992A (en) * | 2022-09-13 | 2022-12-02 | 安徽中擎住宅工业发展有限公司 | Recycled concrete preparation raw materials reducing mechanism |
-
2023
- 2023-10-08 CN CN202311292569.5A patent/CN117427707B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1176845A (en) * | 1997-09-01 | 1999-03-23 | Kajima Corp | Method of crushing concrete block and concrete block crusher |
| JP2005334844A (en) * | 2004-05-31 | 2005-12-08 | Akatsuki Kinzoku Kogyo:Kk | Crusher of concrete pillar |
| CN111701702A (en) * | 2020-06-24 | 2020-09-25 | 林超 | System and process for recycling and reusing construction solid waste and cement prefabricated members |
| CN111790471A (en) * | 2020-07-14 | 2020-10-20 | 山东科技大学 | Crushing and screening integrated machine for mine gangue aggregate |
| CN217774770U (en) * | 2022-08-09 | 2022-11-11 | 安徽三虎机械科技有限公司 | Environmental protection sieve convenient to installation and prevent blockking up |
| CN115414992A (en) * | 2022-09-13 | 2022-12-02 | 安徽中擎住宅工业发展有限公司 | Recycled concrete preparation raw materials reducing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117427707B (en) | 2024-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209885893U (en) | Crushing and screening device for road and bridge construction | |
| CN117427707B (en) | Process for recycling steel bars and aggregates in waste concrete crushing | |
| CN215277803U (en) | Separation recovery system | |
| CN112808743B (en) | Garbage disposal device for environmental protection | |
| CN210557744U (en) | PVC board transmission device that can turn over automatically | |
| CN210058435U (en) | Integrated device suitable for sorting and crushing construction waste | |
| CN113000098B (en) | Screening grinder for building concrete recycled aggregate | |
| CN112742576B (en) | Glass screening plant for construction waste | |
| CN114515620A (en) | Multistage broken screening machine of building rubbish | |
| CN114100750A (en) | Waste treatment and separation device for civil engineering construction | |
| CN112024020B (en) | Construction waste treatment method | |
| CN112317308B (en) | Sieving mechanism is used in stone production | |
| CN115301682A (en) | Interlayer building construction building garbage clearing device and using method thereof | |
| CN114100751B (en) | Ground and for foundation engineering rubbish high efficiency processor | |
| CN111068894A (en) | Building construction waste material classification device | |
| CN216460141U (en) | Screening plant is used in mortar production | |
| CN216880271U (en) | Broken stone sorter for mining | |
| CN220361226U (en) | Construction waste treatment system | |
| CN116966981B (en) | Device for manufacturing recycled concrete by using building solid waste | |
| CN110653240A (en) | Construction waste grading treatment device | |
| CN220460831U (en) | Solid waste recovery device for aerated concrete slab | |
| CN217614906U (en) | Double-movable jaw crusher with replaceable jaw plates | |
| CN217729339U (en) | Adhesive tape waste collecting equipment | |
| CN214605180U (en) | Convenient clear concrete fragment shaping device | |
| CN112774777B (en) | Building glass recovery unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |