CN116475196A - Preparation method of recycled concrete - Google Patents
Preparation method of recycled concrete Download PDFInfo
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- CN116475196A CN116475196A CN202310492269.5A CN202310492269A CN116475196A CN 116475196 A CN116475196 A CN 116475196A CN 202310492269 A CN202310492269 A CN 202310492269A CN 116475196 A CN116475196 A CN 116475196A
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- 239000004567 concrete Substances 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 57
- 238000012216 screening Methods 0.000 claims abstract description 44
- 238000001125 extrusion Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000007921 spray Substances 0.000 claims abstract description 19
- 238000000227 grinding Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000007710 freezing Methods 0.000 claims abstract description 9
- 230000008014 freezing Effects 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000007670 refining Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 62
- 238000002955 isolation Methods 0.000 claims description 43
- 238000003860 storage Methods 0.000 claims description 37
- 239000000428 dust Substances 0.000 claims description 26
- 238000000605 extraction Methods 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 16
- 238000009413 insulation Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- 239000002699 waste material Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/16—Waste materials; Refuse from building or ceramic industry
- C04B18/167—Recycled materials, i.e. waste materials reused in the production of the same materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/45—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)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a preparation method of recycled concrete, which comprises the following steps of S1, material selection treatment, S2, feeding crushing, S3, screening and filtering, and S4: spray freezing, S5: grinding and refining, S6: collect and mix, drive the aggregate through conveyer belt and spacing swash plate and turn, have the spray frame to spray the aggregate simultaneously and absorb water, thereby guaranteed that the aggregate fully absorbs, by condenser tube simultaneously accelerating fan and honeycomb duct drive inside air cycle, accelerate its freezing speed, through freezing it, make the inside expansion extrusion concrete piece of inhalant water icing volume expand, make its inside expansion loose, make can be quick operation when handling difficult broken concrete piece, through rolling the motor, press the fixed disk and roll spacing dish and carry out broken handling to the concrete piece, divide the screen plate to screen broken material simultaneously, broken exhaust material's quality has been guaranteed, avoid operating repeatedly, guaranteed the quality of product, make can reduce the wasting of resources when handling.
Description
Technical Field
The invention relates to the technical field of concrete regeneration, in particular to a preparation method of regenerated concrete.
Background
The recycled concrete is new concrete prepared by crushing, cleaning and grading waste concrete blocks, mixing the crushed, cleaned and graded concrete blocks with the graded concrete blocks according to a certain proportion, partially or completely replacing natural aggregates such as sand stone and the like, adding cement, water and the like, and the recycled concrete can have the following conditions according to the aggregate combination form: the aggregate is all regenerated aggregate; the coarse aggregate is regenerated aggregate, and the fine aggregate is natural sand; the coarse aggregate is natural broken stone or pebble, and the fine aggregate is regenerated aggregate.
However, when the concrete blocks are processed at present, the concrete blocks cannot be completely crushed only by rolling and crushing, so that part of the crushed concrete blocks cannot be recycled, and resources are wasted, and secondary pollution is caused.
Disclosure of Invention
The invention provides a preparation method of recycled concrete, which can effectively solve the problems that in the prior art, when concrete blocks are treated, the concrete blocks cannot be completely crushed only by rolling and crushing, and part of the crushed concrete blocks cannot be recycled, so that resources are wasted and secondary pollution is caused.
In order to achieve the above purpose, the present invention provides the following technical solutions: the preparation method of the recycled concrete comprises the following steps:
s1, selecting materials: selecting a waste concrete block with proper size, and removing metal impurities contained in the waste concrete block;
s2, crushing the feed: the concrete blocks enter the inner side of an extrusion crushing barrel through a blanking hopper and a blanking sealing box, and are crushed through the extrusion crushing barrel, an impact auxiliary barrel, a linkage motor, a transmission motor and a rolling roller, so that the concrete blocks are crushed into aggregates with small particles;
s3, screening and filtering: putting crushed aggregate into the inner side of a coarse screen box in a screening fixing box at the top end of a fixed support frame, and driving a storage linkage box, a fine screen box and the coarse screen box to synchronously vibrate and screen through a vibrating motor and an auxiliary spring, so that aggregate with different sizes is classified;
s4: spray freezing: the large-particle aggregate is conveyed to the position of the conveying belt, water is sprayed and reversed to the aggregate through the spray frame and the limiting inclined plate, so that the aggregate fully absorbs water, and the aggregate after water absorption is frozen through the isolation heat preservation box, the condenser pipe, the accelerating fan and the guide pipe, so that the interior of the frozen aggregate is expanded and loosened;
s5: grinding and refining: the rolling motor drives the rolling fixed disc to be matched with the rolling limiting disc to roll and refine loose aggregate, so that coarse aggregate is treated again to form fine aggregate, the full treatment of the aggregate is ensured, and meanwhile, the treatment effect is ensured;
s6: collecting and mixing: and collecting the aggregate subjected to the back-and-forth multi-step treatment, adding the additive, and stirring and mixing the aggregate by a stirrer to form the recycled concrete.
Preferably, a mixing treatment assembly is installed on one side of the fixed support frame, and comprises a fixed isolation box, a conveying belt, a movable electric sliding rail, a spray frame, a lower piezoelectric sliding rail, a limiting sloping plate, an isolation heat preservation box, a condensation pipe, an accelerating fan, a flow guide pipe, a discharging electric push rod, a discharging limiting plate, a rolling motor, a rolling fixed disc, a storage fixed groove, a discharging fixed hole, a discharging pushing plate, a rolling limiting disc, a discharging support hole, a screening screen plate and a collecting box;
the conveying belt drives the aggregate to move, the spraying frame is driven to press down by the movable electric sliding rail, water is sprayed on the surface of the aggregate through the spraying frame, the lower piezoelectric sliding rail drives the limiting sloping plate to press down and be attached to the side end of the conveying belt, the limiting sloping plate limits the aggregate to move and turn over the aggregate, the discharging electric push rod drives the discharging limiting plate to move to limit and block the aggregate, the inner temperature is reduced through the condensing pipe, the accelerating fan and the flow guide pipe drive the inner air to circulate, and the aggregate enters a storage fixing groove at the position of the rolling fixing disc through the discharging limiting plate;
the grinding motor drives the grinding fixed disc to rotate, aggregates are pushed to enter between the grinding fixed disc and the grinding limiting disc through the blanking fixed holes by the blanking pushing plate, and the aggregates after expansion and loosening are ground and crushed by the grinding fixed disc and the grinding limiting disc.
Preferably, a fixed isolation box is installed on one side of the top end of the fixed support frame, a conveying belt is installed at the bottom end of the inner side of the fixed isolation box, movable electric sliding rails are symmetrically installed at the position, close to the conveying belt, of one end of the inner side of the fixed isolation box, a spraying frame is installed at the side end of each movable electric sliding rail through a sliding rail seat, lower piezoelectric sliding rails are symmetrically embedded and installed at the side end of each conveying belt, a limiting inclined plate is connected at one end of each lower piezoelectric sliding rail through the sliding rail seat, an isolation insulation box is welded at the position, corresponding to the conveying belt, of one end of the inner side of the fixed isolation box, a plurality of condensing pipes are connected at the position, corresponding to the position, of each acceleration fan, of two ends of the isolation insulation box, a guide pipe is embedded and installed at the position, corresponding to the acceleration fan, of two ends of the isolation insulation box, a discharging electric push rod is clamped and an output shaft of the discharging electric push rod is clamped with a discharging limiting plate;
the utility model discloses a fixed support frame, including fixed support frame, screening net board, collecting box, fixed support frame one end is installed through the motor cabinet and is rolled the motor, roll motor output shaft bottom joint has rolls the fixed disk, storage fixed slot has been seted up on rolls the fixed disk top, the unloading fixed orifices has been seted up to storage fixed slot bottom, fixed support frame corresponds storage fixed slot position department welding has the unloading push plate, fixed support frame one end corresponds rolls fixed disk position department and installs and roll spacing dish, it has seted up row's material supporting hole to roll spacing dish side, row material supporting hole inboard embedding is installed and is divided the screening net board, fixed support frame corresponds to roll spacing dish position department and installs the collecting box.
Preferably, the spray frame top runs through and installs in fixed isolation case top, spacing swash plate bottom and conveyer belt side laminating, the longitudinal section of isolation insulation box is trapezoidal, remove electric slide rail, lower piezoelectricity slide rail, accelerating fan, row's material electricity push rod and roll motor input all with external controller output electric connection, external controller input and external power source output electric connection.
Preferably, the discharging limiting plate is slidably mounted on the inner side of the isolation heat preservation box, the discharging pushing plate is placed on the inner side of the storage fixing groove, and the longitudinal section of the rolling limiting plate is I-shaped.
Compared with the prior art, the invention has the beneficial effects that: the invention has scientific and reasonable structure and safe and convenient use:
1. be provided with mixing treatment assembly, drive the aggregate through conveyer belt and spacing swash plate and turn, it sprays the water absorption to have the frame to the aggregate to guaranteed that the aggregate fully absorbs, it is even to drive inside air cycle by condenser pipe simultaneous acceleration fan and honeycomb duct, make its inside temperature, and the air conditioning is directly blown to the aggregate, accelerate its freezing speed, through freezing it, make the inside expansion of inhalant water icing volume expansion extrusion concrete piece, make its inside expansion loose, make the operation that can be quick when handling difficult broken concrete piece, through rolling the motor, press the fixed disk and roll spacing dish and carry out the broken processing to the concrete piece, divide the screen plate to screen broken material simultaneously, broken quality of the material of discharging has been guaranteed, avoid repeatedly operating, guaranteed the quality of product, and freeze during the breakage, dust and water mix, reduce dust production, make can reduce the wasting of resources when handling, avoid secondary pollution simultaneously, and can guarantee the quality of product and the speed of production.
2. Be provided with broken screening integration subassembly, keep apart the separation through extrusion relief plate and unloading seal box to the unloading position, restriction unloading speed and unloading volume, avoid the unloading too fast or too much to lead to broken piling up, influence crushing effect, through storing linkage box, fine screen box and coarse screen box multicomponent sieve, and driving motor and roller roll synchronous are broken to the concrete piece and are handled, make realization that can be quick when handling the concrete piece broken and screening, the speed of whole processing has been accelerated, and through multistage synchronous screening, the screening processing speed to the aggregate has been accelerated, make speed and the effect that can guarantee to handle when handling the concrete piece, and carry out layering processing to it, avoid the aggregate mutual influence of not of uniform size.
3. Be provided with extraction dust fall subassembly, will collect fixed bucket and keep apart the net piece and imbed sealed fixed bucket inboard, adsorb fixedly to sealed fixed bucket through fixed electro-magnet, rethread screw connection piece and extraction slag discharging pipe are connected for can be quick change storage facilities when needs are collected the storage to the dust, guarantee the stability that the dust was collected, through aspiration pump, blast pipe and the dust of the fixed case position department of extraction unloading seal box and branch sieve of extraction slag discharging pipe, thereby reduce the dust excessive, guaranteed the security of production environment, avoid a large amount of dust to adhere to at aggregate surface influence aggregate quality simultaneously.
In summary, through mixing the subassembly and integrating the subassembly with broken screening, can carry out comprehensive refinement through the multistep operation when handling the concrete piece, avoided the extravagant secondary pollution's of concrete piece condition to take place, and handle the concrete piece through the different operation of multistep, accelerate its broken speed, guaranteed the speed of production and the quality of product, through the cooperation of the subassembly with extraction dust fall subassembly of broken screening integration, make can reduce the exhaust dust volume when the concrete piece is handled, and avoid a large amount of dust and aggregate to mix, guaranteed product quality, avoid influencing the condition emergence of follow-up ratio, mutually support through a plurality of subassemblies, guaranteed the quality of concrete regeneration aggregate.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic flow diagram of the method of the present invention;
FIG. 2 is a schematic perspective view of the apparatus of the present invention;
FIG. 3 is a schematic view of the mounting structure of the fixed support frame of the present invention;
FIG. 4 is a schematic diagram of the structure of the hybrid processing assembly of the present invention;
FIG. 5 is a schematic view of the mounting structure of the shower tray of the present invention;
FIG. 6 is a schematic view of the mounting structure of the condenser tube of the present invention;
FIG. 7 is a schematic view of the mounting structure of the crush limiting plate of the present invention;
FIG. 8 is a schematic structural view of a crushing and screening integrated assembly of the present invention;
fig. 9 is a schematic view of a mounting structure of the vibration motor of the present invention;
FIG. 10 is a schematic view of the structure of the extraction dust suppression assembly of the present invention;
reference numerals in the drawings: 1. fixing the supporting frame;
2. a mixing processing assembly; 201. fixing the isolation box; 202. a conveyor belt; 203. moving the electric slide rail; 204. a spray rack; 205. downward pressing a sliding rail; 206. a limiting sloping plate; 207. isolating the thermal insulation box; 208. a condensing tube; 209. an accelerating fan; 210. a flow guiding pipe; 211. discharging electric push rod; 212. a discharging limiting plate; 213. a rolling motor; 214. rolling the fixed disc; 215. a storage fixing groove; 216. a blanking fixing hole; 217. a blanking pushing plate; 218. rolling a limiting disc; 219. a discharge supporting hole; 220. screening screen plates; 221. a collection box;
3. a crushing, screening and integrating assembly; 301. a screening fixing box; 302. extruding the crushing barrel; 303. an impact auxiliary cylinder; 304. a linkage motor; 305. supporting a bearing plate; 306. a drive motor; 307. rolling a roller; 308. a blanking seal box; 309. discharging a hopper; 310. feeding an electric push rod; 311. extruding a discharge plate; 312. an auxiliary spring; 313. storing the linkage box; 314. a fine screen box; 315. a coarse screen box; 316. a fixed spring; 317. a linkage discharge plate; 318. a vibration motor;
4. extracting a dust falling component; 401. supporting an electric push rod; 402. a bearing fixing plate; 403. fixing an electromagnet; 404. sealing and fixing the barrel; 405. an exhaust pipe; 406. an air extracting pump; 407. extracting a slag discharging pipe; 408. a threaded connecting block; 409. collecting a fixed barrel; 410. and isolating the net blocks.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1 to 10, the invention provides a technical scheme, a preparation method of recycled concrete, comprising the following steps:
s1, selecting materials: selecting a waste concrete block with proper size, and removing metal impurities contained in the waste concrete block;
s2, crushing the feed: the concrete blocks enter the inner side of the extrusion crushing barrel 302 through a blanking hopper 309 and a blanking sealing box 308, and are crushed through the extrusion crushing barrel 302, an impact auxiliary barrel 303, a linkage motor 304, a transmission motor 306 and a rolling roller 307, so that the concrete blocks are crushed into aggregates with small particles;
s3, screening and filtering: the crushed aggregate is put into the inner side of a coarse screen box 315 in a screening fixing box 301 at the top end of a fixed supporting frame 1, and a storage linkage box 313, a fine screen box 314 and the coarse screen box 315 are driven to synchronously vibrate and screen through a vibrating motor 318 and an auxiliary spring 312, so that aggregates with different sizes are classified;
s4: spray freezing: the large-particle aggregate is conveyed to the position of the conveying belt 202, water is sprayed and reversed to the aggregate through the spray frame 204 and the limiting inclined plate 206, so that the aggregate fully absorbs water, and the water-absorbed aggregate is frozen through the isolation heat preservation box 207, the condensation pipe 208, the accelerating fan 209 and the guide pipe 210, so that the interior of the frozen aggregate is expanded and loosened;
s5: grinding and refining: the rolling motor 213 drives the rolling fixing disc 214 to be matched with the rolling limiting disc 218 to roll and refine the loose aggregate, so that coarse aggregate is treated again to form fine aggregate, the full treatment of the aggregate is ensured, and meanwhile, the treatment effect is ensured;
s6: collecting and mixing: and collecting the aggregate subjected to the back-and-forth multi-step treatment, adding the additive, and stirring and mixing the aggregate by a stirrer to form the recycled concrete.
A mixing treatment assembly 2 is arranged on one side of the fixed support frame 1, and the mixing treatment assembly 2 comprises a fixed isolation box 201, a conveying belt 202, a movable electric sliding rail 203, a spray rack 204, a lower piezoelectric sliding rail 205, a limiting inclined plate 206, an isolation heat preservation box 207, a condensing pipe 208, an accelerating fan 209, a flow guide pipe 210, a discharging electric push rod 211, a discharging limiting plate 212, a rolling motor 213, a rolling fixing disc 214, a storage fixing groove 215, a discharging fixing hole 216, a discharging push plate 217, a rolling limiting disc 218, a discharging supporting hole 219, a screen separating plate 220 and a collecting box 221;
the conveyer belt 202 drives the aggregates to move, the movable electric slide rail 203 drives the spray frame 204 to press down, the spray frame 204 sprays water on the surface of the aggregates, the lower piezoelectric slide rail 205 drives the limiting inclined plate 206 to press down and attach to the side end of the conveyer belt 202, the limiting inclined plate 206 limits the aggregates to move and turn over, the discharging electric push rod 211 drives the discharging limiting plate 212 to move to limit and block the aggregates, the condenser tube 208 reduces the internal temperature, the accelerating fan 209 and the guide tube 210 drive the internal air to circulate, and the aggregates enter the storage fixing groove 215 at the position of the rolling fixing disc 214 through the discharging limiting plate 212;
the rolling motor 213 drives the rolling fixed disc 214 to rotate, the aggregate is pushed to enter between the rolling fixed disc 214 and the rolling limiting disc 218 through the blanking pushing plate 217, and the expanded and loosened aggregate is rolled and crushed through the rolling fixed disc 214 and the rolling limiting disc 218.
A fixed isolation box 201 is installed on one side of the top end of the fixed support frame 1, a conveying belt 202 is installed at the bottom end of the inner side of the fixed isolation box 201, a movable electric sliding rail 203 is symmetrically installed at the position, close to the conveying belt 202, of one end of the inner side of the fixed isolation box 201, a spraying frame 204 is installed at the side end of the movable electric sliding rail 203 through a sliding rail seat, the top end of the spraying frame 204 is penetratingly installed at the top end of the fixed isolation box 201, so that effective operation can be achieved when water is sprayed, a lower piezoelectric sliding rail 205 is symmetrically embedded at the side end of the conveying belt 202, one end of the lower piezoelectric sliding rail 205 is connected with a limit inclined plate 206 through a sliding rail seat, the bottom end of the limit inclined plate 206 is attached to the side end of the conveying belt 202, so that effective operation can be continued when stones are overturned, an isolation insulation box 207 is welded at the position corresponding to the conveying belt 202, the longitudinal section of the inner side end of the fixed isolation box 201 is provided with an insulation box 207, stability and accuracy of blanking are guaranteed, a plurality of condensation pipes 208 are penetratingly connected at the inner side of the insulation box 207, an accelerating fan 209 are installed at the two ends of the insulation box 207, a guide pipe 210 is embedded at the position corresponding to the position of the accelerating fan 209, two ends of the insulation box 207, a push rod 212 is embedded at the position, and an insulation box 207 is connected with an electric push rod 211 in a clamping manner, and a material discharging operation can be performed at the position, and a push rod 212 is enabled to slide, and a material discharging operation is enabled to be quickly;
the fixed support frame 1 one end is installed through the motor cabinet and is rolled motor 213, the bottom joint of the output shaft of motor 213 has rolls fixed disk 214, storage fixed slot 215 has been seted up on the fixed disk 214 top, unloading fixed orifices 216 has been seted up to storage fixed slot 215 bottom, fixed support frame 1 corresponds storage fixed slot 215 position department welding has unloading push plate 217, unloading push plate 217 places inboard with storage fixed slot 215 for can infer the raw materials and enter into unloading fixed orifices 216 inboard when unloading, fixed support frame 1 one end corresponds to roll fixed disk 214 position department and installs and roll limiting disk 218, roll limiting disk 218's longitudinal section is the worker shape, be convenient for unloading, roll limiting disk 218 side end has seted up row's material supporting hole 219, divide sieve mesh plate 220 is installed in the inboard embedding of row's material supporting hole 219, fixed support frame 1 corresponds to roll limiting disk 218 position department and installs collecting box 221, mobile electric slide rail 203, lower electric slide rail 205, accelerating fan 209, row electric push rod 211 and roll motor 213 input all with external controller output electric connection, external controller input and external power source output.
A crushing and screening integrated assembly 3 is installed on one side of the fixed support frame 1, and the crushing and screening integrated assembly 3 comprises a screening fixed box 301, an extrusion crushing barrel 302, an impact auxiliary barrel 303, a linkage motor 304, a supporting bearing plate 305, a transmission motor 306, a rolling roller 307, a blanking seal box 308, a blanking hopper 309, a feeding electric push rod 310, an extrusion discharge plate 311, an auxiliary spring 312, a storage linkage box 313, a fine screen box 314, a coarse screen box 315, a fixed spring 316, a linkage discharge plate 317 and a vibration motor 318;
the fixed support frame 1 is provided with a screening fixed box 301 on one side of the top end, an extrusion crushing barrel 302 is welded on the top end of the screening fixed box 301, an impact auxiliary barrel 303 is welded on the inner side of the extrusion crushing barrel 302, a linkage motor 304 is arranged at one end of the extrusion crushing barrel 302 through a motor seat, a supporting bearing plate 305 is clamped at the bottom end of an output shaft of the linkage motor 304, a transmission motor 306 is arranged at the top end of the supporting bearing plate 305 through the motor seat, a rolling roller 307 is clamped at the bottom end of the output shaft of the transmission motor 306, the rolling roller 307 is rotatably arranged on the inner side of the extrusion crushing barrel 302, so that the concrete blocks are crushed by matching with the impact auxiliary barrel 303, a blanking seal box 308 is clamped at the top end of the extrusion crushing barrel 302, a blanking hopper 309 is connected to one side of the top end of the blanking seal box 308 in a penetrating manner, materials can be concentrated to the same position during blanking, blanking accuracy is guaranteed, one end of the blanking seal box 308 is embedded with a feeding electric push rod 310, one point of the output shaft of the feeding electric push rod 310 is clamped with an extrusion discharging plate 311, and longitudinal sections of the blanking seal box 308 and the extrusion discharging plate 311 are L-shaped, so that mutual influence on blanking can be avoided during blanking;
the inboard bottom equidistance welding of screening fixed box 301 has a plurality of auxiliary spring 312, storage linkage box 313 is welded on a plurality of auxiliary spring 312 tops, storage linkage box 313 top welding has fine screen box 314, fine screen box 314 top welding has coarse screen box 315, storage linkage box 313, fine screen box 314 and coarse screen box 315 all install in screening fixed box 301 inboard, make can effectually keep apart spacing when screening, coarse screen box 315 one end welding has fixed spring 316, fixed spring 316 one end welding has linkage discharge plate 317, linkage discharge plate 317 rotates and installs in coarse screen box 315 inboard, make can effectual operation linkage when discharging, storage linkage box 313 bottom equidistance is through the motor cabinet install vibrating motor 318, linkage motor 304, driving motor 306, feeding electricity push rod 310 and vibrating motor 318 input all with external controller output electric connection.
One side of the fixed support frame 1 is provided with an extraction dust fall component 4, and the extraction dust fall component 4 comprises a supporting electric push rod 401, a bearing fixed plate 402, a fixed electromagnet 403, a sealing fixed barrel 404, an exhaust pipe 405, an air pump 406, an extraction slag discharge pipe 407, a threaded connection block 408, a collection fixed barrel 409 and an isolation net block 410;
the fixed support frame 1 one end joint has a support electric putter 401, support electric putter 401 output shaft bottom joint has a bearing fixed plate 402, bearing fixed plate 402 top joint has fixed electro-magnet 403, fixed electro-magnet 403 top magnetism is inhaled and is connected with sealed fixed barrel 404, sealed fixed barrel 404 top one side through-connection has blast pipe 405, sealed fixed barrel 404 top corresponds blast pipe 405 position department and installs aspiration pump 406 through the motor cabinet, aspiration pump 406 and blast pipe 405 are connected through the adapter, make can effectual coordinated operation when needing the exhaust, unloading seal box 308 and sieve fixed box 301 side all through-connection have extraction scum 407, extraction scum 407 bottom embedding is installed in sealed fixed barrel 404 inboard, make can effectual operation seal when receiving the sediment, extraction scum 407 is connected with sealed fixed barrel 404 through threaded connection piece 408, sealed fixed barrel 404 inboard inserts and installs collection fixed barrel 409, collection fixed barrel 409 top corresponds blast pipe 405 position department and installs the isolation net piece 410, isolation net piece 410 embedding is installed in blast pipe 405 inboard, make can block the dust when the exhaust, support electric pile up, the output of electric putter 401 and the equal electrical connection of outer fixed end of push rod 401, the equal electrical connection of outer support electromagnet 401 and exhaust, the equal electrical connection of dust removal.
The working principle and the using flow of the invention are as follows: when the waste concrete blocks are required to be recycled and made into concrete raw materials, a worker inputs the simply processed concrete blocks into the inner side of a discharging hopper 309, the concrete blocks enter the inner side of a discharging seal box 308 along the discharging hopper 309, an extrusion discharging plate 311 is driven by a feeding electric push rod 310 to push the concrete blocks to enter the inner side of an extrusion crushing barrel 302, and meanwhile, the bottom end of the discharging hopper 309 is sealed through the extrusion discharging plate 311, so that the feeding speed and the feeding amount can be limited through multistage isolation operation during feeding, the effect of extrusion crushing is avoided, the feeding speed and the feeding amount are prevented from being too fast or too much, the concrete blocks fall into the inner side of the extrusion crushing barrel 302, a supporting bearing plate 305 is driven by a linkage motor 304 to rotate, a roller 307 is driven by a transmission motor 306 to rotate, the roller 307 drives the concrete blocks to synchronously rotate, and simultaneously crush and crush the concrete blocks, the impact auxiliary cylinder 303 is matched for impact damage, so that concrete blocks are broken into smaller aggregates, the aggregates are simultaneously operated through multistage operation, the operations such as impact, rolling and grinding are synchronously carried out, the speed of coagulation breaking is accelerated, broken concrete enters the inner side of a coarse screen box 315 along the bottom end of an extrusion breaking cylinder 302, a vibration motor 318 and an auxiliary spring 312 drive a storage linkage box 313, a fine screen box 314 and the coarse screen box 315 to vibrate simultaneously, small particle aggregates in a mixture are screened and fall into the inner side of the fine screen box 314 through vibration, secondary screening is carried out through the fine screen box 314, aggregates which do not meet the use size are screened and fall into the inner side of the storage linkage box 313, and the screening treatment speed of the aggregates is accelerated through multi-step screening and synchronous carrying out, so that the treatment speed and effect of the concrete blocks can be ensured when the aggregates are treated;
the large-particle aggregate separated by screening moves to the position of a linkage discharge plate 317 along a coarse screen box 315, the linkage discharge plate 317 is pushed by the aggregate, so that the discharge speed of the aggregate is limited, the screening time of the aggregate is ensured, the aggregate enters the position of a conveying belt 202 along the coarse screen box 315, the conveying belt 202 drives the aggregate to move, a spraying frame 204 is driven by a movable electric sliding rail 203 to press down, water is sprayed to the surface of the aggregate through the spraying frame 204, a limiting inclined plate 206 is driven by a lower piezoelectric sliding rail 205 to press down and be attached to the side end of the conveying belt 202, the movement of the aggregate is limited by the limiting inclined plate 206, the aggregate is turned over, the spraying uniformity of the aggregate can be ensured when the water is sprayed to the surface of the aggregate, the water absorption time of the aggregate is prolonged, the aggregate after water is fully fed in the aggregate is driven by the conveying belt 202 to move to the position of an isolation heat preservation box 207, the discharging electric push rod 211 drives the discharging limiting plate 212 to move to limit and block the aggregate, the internal temperature is reduced through the condensing pipe 208, so that water in the aggregate is quickly condensed into ice, the accelerating fan 209 and the guide pipe 210 drive the internal air to circulate, so that the uniformity of the whole temperature can be ensured during freezing, the cooling speed is accelerated through direct blowing of the cold air, the frozen aggregate can expand and loosen, the subsequent crushing is more convenient, meanwhile, the aggregate after water addition is thawed during crushing, the generation of dust can be reduced, the aggregate enters a storage fixing groove 215 at the position of the rolling fixing plate 214 through the discharging limiting plate 212, the rolling fixing plate 214 is driven to rotate by the rolling motor 213, the aggregate is pushed to enter between the rolling fixing plate 214 and the rolling limiting plate 218 through the blanking pushing plate 217, the expanded and loosened aggregates are crushed by the rolling fixing plate 214 and the rolling limiting plate 218, the aggregates are thawed by heat generated during rolling, so that water and dust are combined, dust generation is reduced, meanwhile, aggregates in a composite condition are discharged through the screening net plate 220, automatic discharging and screening can be performed during rolling and crushing, subsequent operation steps are reduced, labor intensity of workers is reduced, and the aggregates fall into the inner side of the collecting box 221;
when the crushing barrel 302 and the screening fixing box 301 are extruded to treat concrete blocks and aggregates, the collecting fixing barrel 409 is embedded into the inner side of the sealing fixing barrel 404, the isolating net block 410 is embedded into the inner side of the exhaust pipe 405, the sealing fixing barrel 404 is placed at the top end of the fixing electromagnet 403, the sealing fixing barrel 404 is adsorbed and fixed through the fixing electromagnet 403, the supporting electric push rod 401 drives the bearing fixing plate 402 to ascend, the extracting slag discharging pipe 407 is attached to the threaded connecting block 408, air is extracted through the air extracting pump 406 and the exhaust pipe 405, so that a negative pressure environment is generated in the sealing fixing barrel 404, dust at the positions of the discharging sealing box 308 and the screening fixing box 301 is extracted through the extracting slag discharging pipe 407 and enters into the inner side of the sealing fixing barrel 404, and is limited through the isolating net block 410, so that the dust is collected in the inner side of the collecting fixing barrel 409, the dust overflow is reduced, the safety of the environment is ensured, and meanwhile, a large amount of dust is prevented from adhering to the surface of the aggregates to influence on the subsequent mixing proportion of the aggregate.
Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The preparation method of the recycled concrete is characterized by comprising the following steps of:
s1, selecting materials: selecting a waste concrete block with proper size, and removing metal impurities contained in the waste concrete block;
s2, crushing the feed: the concrete blocks enter the inner side of an extrusion crushing barrel (302) through a blanking hopper (309) and a blanking sealing box (308), and are crushed through the extrusion crushing barrel (302), an impact auxiliary barrel (303), a linkage motor (304), a transmission motor (306) and a rolling roller (307), so that the concrete blocks are crushed into aggregates with small particles;
s3, screening and filtering: the crushed aggregate is put into the inner side of a coarse screen box (315) in a screening fixing box (301) at the top end of a fixed supporting frame (1), and a storage linkage box (313), a fine screen box (314) and the coarse screen box (315) are driven to synchronously vibrate and screen through a vibrating motor (318) and an auxiliary spring (312), so that aggregates with different sizes are classified;
s4: spray freezing: the large-particle aggregate is conveyed to the position of the conveying belt (202), water is sprayed and reversed to the aggregate through the spray frame (204) and the limiting inclined plate (206), so that the aggregate fully absorbs water, and the aggregate after water absorption is frozen through the isolation heat preservation box (207), the condensation pipe (208), the accelerating fan (209) and the guide pipe (210), so that the interior of the frozen aggregate is expanded and loosened;
s5: grinding and refining: the rolling motor (213) drives the rolling fixed disc (214) to be matched with the rolling limiting disc (218) to roll and refine loose aggregate, so that coarse aggregate is treated again to form fine aggregate, the full treatment of the aggregate is ensured, and meanwhile, the treatment effect is ensured;
s6: collecting and mixing: and collecting the aggregate subjected to the back-and-forth multi-step treatment, adding the additive, and stirring and mixing the aggregate by a stirrer to form the recycled concrete.
2. The preparation method of the recycled concrete according to claim 1, wherein a mixing treatment assembly (2) is installed on one side of the fixed support frame (1), and the mixing treatment assembly (2) comprises a fixed isolation box (201), a conveying belt (202), a movable electric sliding rail (203), a spray frame (204), a lower piezoelectric sliding rail (205), a limiting sloping plate (206), an isolation heat preservation box (207), a condensing pipe (208), an accelerating fan (209), a flow guide pipe (210), a discharging electric push rod (211), a discharging limiting plate (212), a rolling motor (213), a rolling fixed disc (214), a storage fixed groove (215), a discharging fixed hole (216), a discharging push plate (217), a rolling limiting disc (218), a discharging support hole (219), a screening plate (220) and a collecting box (221);
the conveying belt (202) drives aggregates to move, the movable electric sliding rail (203) drives the spraying frame (204) to press downwards, water is sprayed to the surface of the aggregates through the spraying frame (204), the lower piezoelectric sliding rail (205) drives the limiting inclined plate (206) to press downwards to be attached to the side end of the conveying belt (202), the limiting inclined plate (206) is used for limiting the aggregates to move and turn over, the discharging electric push rod (211) drives the discharging limiting plate (212) to move so as to limit and block the aggregates, the condenser tube (208) is used for reducing the internal temperature, the accelerating fan (209) and the guide tube (210) are used for driving the internal air to circulate, and the aggregates enter the storage fixing groove (215) at the position of the rolling fixing disc (214) through the discharging limiting plate (212);
the grinding motor (213) drives the grinding fixing disc (214) to rotate, aggregate is pushed to enter between the grinding fixing disc (214) and the grinding limiting disc (218) through the blanking fixing holes (216) by the blanking pushing plate (217), and the expanded and loosened aggregate is ground and crushed by the grinding fixing disc (214) and the grinding limiting disc (218).
3. The preparation method of the recycled concrete according to claim 2, wherein a fixed isolation box (201) is installed on one side of the top end of the fixed support frame (1), a conveying belt (202) is installed at the bottom end of the inner side of the fixed isolation box (201), a movable electric slide rail (203) is symmetrically installed at the position, close to the conveying belt (202), of one end of the inner side of the fixed isolation box (201), a spray frame (204) is installed at the side end of the movable electric slide rail (203) through a slide rail seat, a lower piezoelectric slide rail (205) is symmetrically installed at the side end of the conveying belt (202), a limit inclined plate (206) is connected to one end of the lower piezoelectric slide rail (205) through the slide rail seat, an isolation insulation box (207) is welded at the position, corresponding to the conveying belt (202), a plurality of condensation pipes (208) are connected to the inner side of the isolation box (207) in an equidistant penetrating manner, an accelerating fan (209) is installed at the two ends of the isolation box (207), a guide pipe (210) is installed at the position, corresponding to the accelerating fan (209), an isolation box (207) is installed at the two ends, and two electric push rods (211) are clamped with limit push rods (211);
the utility model discloses a fixed support frame (1) is installed through the motor cabinet and is rolled motor (213), roll motor (213) output shaft bottom joint has rolls fixed disk (214), storage fixed slot (215) have been seted up on rolls fixed disk (214) top, unloading fixed orifices (216) have been seted up to storage fixed slot (215) bottom, fixed support frame (1) corresponds storage fixed slot (215) position department welding has unloading impeller (217), fixed support frame (1) one end corresponds rolls fixed disk (214) position department and installs and roll spacing dish (218), discharge supporting hole (219) have been seted up to roll spacing dish (218) side, divide board (220) are installed in the inboard embedding of discharge supporting hole (219), collection box (221) are installed to screen cloth support frame (1) corresponding to roll spacing dish (218) position department.
4. The method for preparing recycled concrete according to claim 3, wherein the top end of the spraying frame (204) is installed at the top end of the fixed isolation box (201) in a penetrating manner, the bottom end of the limiting inclined plate (206) is attached to the side end of the conveying belt (202), the longitudinal section of the isolation and heat preservation box (207) is trapezoid, and the input ends of the movable electric slide rail (203), the lower electric slide rail (205), the accelerating fan (209), the discharging electric push rod (211) and the rolling motor (213) are electrically connected with the output end of an external controller, and the input end of the external controller is electrically connected with the output end of an external power supply.
5. A method for preparing recycled concrete according to claim 3, wherein the discharging limiting plate (212) is slidably mounted inside the insulation box (207), the discharging pushing plate (217) is placed inside the storage fixing groove (215), and the longitudinal section of the rolling limiting plate (218) is in an i shape.
6. The method for preparing recycled concrete according to claim 1, wherein a crushing and screening integration assembly (3) is installed on one side of the fixed support frame (1), and the crushing and screening integration assembly (3) comprises a screening fixed box (301), a crushing and crushing barrel (302), an impact auxiliary barrel (303), a linkage motor (304), a supporting bearing plate (305), a transmission motor (306), a rolling roller (307), a blanking seal box (308), a blanking hopper (309), a feeding electric push rod (310), a crushing and discharging plate (311), an auxiliary spring (312), a storage linkage box (313), a fine screen box (314), a coarse screen box (315), a fixed spring (316), a linkage discharging plate (317) and a vibration motor (318);
the novel crushing device comprises a fixed support frame (1), wherein a screening fixed box (301) is arranged on one side of the top end of the fixed support frame (1), an extrusion crushing barrel (302) is welded on the top end of the screening fixed box (301), an impact auxiliary barrel (303) is welded on the inner side of the extrusion crushing barrel (302), a linkage motor (304) is arranged at one end of the extrusion crushing barrel (302) through a motor seat, a supporting bearing plate (305) is clamped at the bottom end of an output shaft of the linkage motor (304), a transmission motor (306) is arranged at the top end of the supporting bearing plate (305) through the motor seat, a rolling roller (307) is clamped at the bottom end of the output shaft of the transmission motor (306), a blanking sealing box (308) is clamped at the top end of the extrusion crushing barrel (302), a blanking hopper (309) is connected on one side of the top end of the extrusion sealing box (308) in a penetrating manner, a feeding electric push rod (310) is embedded at one end of the blanking sealing box (308), and a feeding electric push rod (310) is clamped at one end of the output shaft of the extrusion discharging plate (311).
A plurality of auxiliary springs (312) are equidistantly welded at the bottom end of the inner side of the screening fixing box (301), a storage linkage box (313) is welded at the top ends of the auxiliary springs (312), a fine screen box (314) is welded at the top ends of the storage linkage box (313), the utility model discloses a vibrating motor, including fine screen box (314), coarse screen box (315), fixed spring (316) are welded on fine screen box (314) top, coarse screen box (315) one end welding has fixed spring (316), fixed spring (316) one end welding has linkage discharge plate (317), vibrating motor (318) are installed through the motor cabinet to storage linkage box (313) bottom equidistance.
7. The method for preparing recycled concrete according to claim 6, wherein the rolling roller (307) is rotatably installed inside the extrusion crushing barrel 302, longitudinal sections of the blanking sealing box (308) and the extrusion discharging plate (311) are all L-shaped, longitudinal sections of the blanking hopper (309) are trapezoid, and input ends of the linkage motor (304), the transmission motor (306), the feeding electric push rod (310) and the vibration motor (318) are electrically connected with output ends of an external controller.
8. The method for preparing recycled concrete according to claim 6, wherein the storage linkage box (313), the fine screen box (314) and the coarse screen box (315) are all installed inside the screen fixing box (301), and the linkage discharge plate (317) is rotatably installed inside the coarse screen box (315).
9. The method for preparing recycled concrete according to claim 6, wherein an extraction dust fall component (4) is installed on one side of the fixed support frame (1), and the extraction dust fall component (4) comprises a supporting electric push rod (401), a bearing fixed plate (402), a fixed electromagnet (403), a sealing fixed barrel (404), an exhaust pipe (405), an air pump (406), an extraction slag discharge pipe (407), a threaded connection block (408), a collection fixed barrel (409) and an isolation net block (410);
fixed support frame (1) one end joint has support electric push rod (401), support electric push rod (401) output shaft bottom joint has bearing fixed plate (402), bearing fixed plate (402) top joint has fixed electro-magnet (403), fixed electro-magnet (403) top magnetic attraction is connected with sealed fixed bucket (404), sealed fixed bucket (404) top one side through-connection has blast pipe (405), sealed fixed bucket (404) top corresponds blast pipe (405) position department and installs aspiration pump (406) through the motor cabinet, unloading seal box (308) and divide the equal through-connection of sieve fixed box (301) side have extraction scum pipe (407), extraction scum pipe (407) are connected with sealed fixed bucket (404) through threaded connection piece (408), sealed fixed bucket (404) inboard is inserted and is installed and is collected fixed bucket (409), collection fixed bucket (409) top corresponds blast pipe (405) position department and installs isolation net piece (410).
10. The method for preparing recycled concrete according to claim 9, wherein the air pump (406) and the air exhaust pipe (405) are connected through an adapter, the bottom end of the extraction slag discharging pipe (407) is embedded and installed inside the sealing fixed barrel (404), the isolation net block (410) is embedded and installed inside the air exhaust pipe (405), and the input ends of the supporting electric push rod (401), the fixed electromagnet (403) and the air pump (406) are electrically connected with the output end of the external controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310492269.5A CN116475196A (en) | 2023-05-04 | 2023-05-04 | Preparation method of recycled concrete |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310492269.5A CN116475196A (en) | 2023-05-04 | 2023-05-04 | Preparation method of recycled concrete |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117549426A (en) * | 2023-11-28 | 2024-02-13 | 沧州渤海新区市政混凝土有限公司 | Mixed dry-mixed mortar and preparation method thereof |
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2023
- 2023-05-04 CN CN202310492269.5A patent/CN116475196A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117549426A (en) * | 2023-11-28 | 2024-02-13 | 沧州渤海新区市政混凝土有限公司 | Mixed dry-mixed mortar and preparation method thereof |
| CN117549426B (en) * | 2023-11-28 | 2024-05-03 | 沧州渤海新区市政混凝土有限公司 | Mixed dry-mixed mortar and preparation method thereof |
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