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80 results about "Concrete recycling" patented technology
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When structures made of concrete are demolished or renovated, concrete recycling is an increasingly common method of utilizing the rubble. Concrete was once routinely trucked to landfills for disposal, but recycling has a number of benefits that have made it a more attractive option in this age of greater environmental awareness, more environmental laws, and the desire to keep construction costs down.
Method for recycling road concrete
ActiveCN120563118AForecastingDesign optimisation/simulationFreeze thawingEnvironmental resource management
The invention discloses a method for recycling and reusing road concrete, and relates to the technical field of concrete recycling, the method integrates service environment perception and an intelligent dynamic regulation and control mechanism, and effectively breaks the adaptive bottleneck of a traditional process to climatic difference demolitions; through deep coupling modeling of environmental parameters and aggregate characteristics, crushing process parameters can be dynamically optimized along with the service history of raw materials, and the performance stability of the recycled aggregate in a freeze-thaw / salt-wet alternating scene is remarkably improved; and an attention mechanism is introduced to strengthen correlation mapping of extreme climate characteristics and process parameters, so that grading adjustment better conforms to microscopic damage characteristics of the material.
Owner:HUBEI COMMUNICATIONS INVESTMENT BEIJING-HONG KONG-MACAO EXPRESSWAY RECONSTRUCTION & EXPANSION PROJECT MANAGEMENT CO LTD +2
Concrete gravel cleaning and recycling device
The utility model relates to the technical field of concrete recycling, in particular to a concrete gravel cleaning and recycling device. The concrete gravel cleaning and recycling device comprises a cleaning box, the interior of the cleaning box is sequentially divided into a liquid return cavity, a slurry cavity and a mounting cavity through two partition plates, and supporting frames are fixedly mounted at the top ends of the two partition plates; the control box is mounted at one corner of the top end of the cleaning box; the cleaning cylinder is obliquely erected on the supporting frame, a plurality of through grooves are formed in the cleaning cylinder, a first screen is embedded in the through grooves, a spiral impeller is rotationally installed in the cleaning cylinder, a protective cover is erected on the supporting frame, and a spraying assembly is embedded in the protective cover; the two groups of sand guide frames are symmetrically mounted in the slurry cavity, a screen frame is fixedly mounted at the top ends of the two groups of sand guide frames, a second screen is embedded in the screen frame, and a stirring assembly is mounted between the two groups of sand guide frames in the slurry cavity. The concrete gravel cleaning and recycling device has the advantage of being efficient in cleaning and screening.
Owner:KARAMAY DUSHANZI DINGCHENG BUILDING MATERIALS CO LTD
Deep foundation jet concrete fast slip form construction equipment
The application discloses a kind of deep foundation pit shotcrete fast slipform construction equipment, it is related to foundation pit construction equipment technical field, including construction locomotive, drive arm structure and sliding formwork, drive arm structure is set in construction locomotive front side, sliding formwork is installed in drive arm structure end, sliding formwork includes outer frame plate, inner plastering flat plate and sand pump, opening is set in outer frame plate, and installation groove one is opened in lower part, inner plastering flat plate is fixedly arranged in installation groove one, and collection inclined plane is opened in inner plastering flat plate middle part, and preformed surface is opened in inner plastering flat plate lower part, and material retaining groove is opened between preformed surface and collection inclined plane.The application is used by construction locomotive to control sliding formwork, so it is more convenient to handle operation to deep foundation pit inner wall surface, and through sliding formwork internal structure can automatically complete excess concrete recycling and recess filling, to greatly improve wall surface quality and reduce subsequent cleaning work.
Owner:THE 2ND ENG CO LTD OF CHINA RAILWAY 17 BUREAU GRP
Asphalt concrete block crushing device
The present invention discloses an asphalt concrete block crushing device, which relates to the field of concrete recycling technology. The device comprises a base, a crushing piece is fixedly installed on the end of the base, and a protective ring is fixedly installed on one side of the base. The inner wall of the protective ring is clamped with a screening component, and the end of the screening component is connected to the crushing piece. The metal parts in the concrete block are screened out by the screening component. The asphalt concrete block crushing device effectively separates metal from concrete through the screening component, thereby reducing metal pollution and ensuring the purity of the material. At the same time, through magnetic separation, the efficiency of metal recovery can be improved, ensuring that more metal materials are extracted, and further improving the economic value of reuse.
Owner:CHENYANG HUISHAN ROAD CONSTRUCTION MATERIALS MANUFACTURING CO LTD
Material-saving and splash-proof cloth distributing machine
The application discloses a material-saving and anti-splashing material distributing machine, and relates to the technical field of building construction equipment, in particular to a material-saving and anti-splashing material distributing machine. The application aims at preventing concrete splashing and collecting concrete during the pouring process of the concrete of the sandwich beam and the concrete of the first layer structure plate. A horizontal supporting arm is installed on the rotary support, a bottom support is connected to the lower end of the supporting frame for bottom support, a conveying pipe for transporting concrete is arranged at the bottom of the supporting frame through the front end of the supporting arm, a recycling groove pipe for collecting concrete is arranged on the supporting arm, the recycling groove pipe is through with the conveying pipe, and a rotating paddle for shunting concrete when the concrete pump stops is arranged at the port of the recycling groove pipe. The recycling groove pipe is added to the traditional material distributing machine for concrete recycling, and the rotating paddle is added at the conveying pipe and the recycling groove pipe to shunt the concrete flow in the conveying pipe when the pump stops, so that the concrete is guided and collected, and the concrete splashing is prevented.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD
Concrete waste recovery system
PendingCN120696185ATransportation and packagingSolid waste disposalElectric machineMetallic materials
The invention provides a concrete waste recovery system. The concrete waste recovery system comprises a treatment box assembly and a first treatment assembly; the treatment box body assembly comprises an inlet box, the inlet box is fixedly communicated with a crushing box, the crushing box is connected with a grinding box, the inlet box is connected with a protection box, the protection box is connected with symmetrical L-shaped plates, and the symmetrical L-shaped plates are respectively connected with a bottom plate; a convergence cover is connected in the grinding box, and two outlets are formed by the grinding box and the convergence cover; the first processing assembly comprises a main motor, and the inlet box is connected with the main motor. The invention relates to the technical field of concrete recovery, in particular to a concrete waste recovery system. Aiming at the defects in the prior art, the concrete waste recovery system is developed, the concrete waste can be conveniently extruded and crushed for multiple times, iron metal materials are separated out, then extruded small blocks are crushed again, and finally, the crushed small blocks are ground into small particles, so that subsequent reutilization is facilitated.
Owner:QINGDAO BINHAI UNIV
A method for recycling concrete slabs from building demolition
PendingCN122125029ATransportation and packagingSolid waste disposalVacuum pressureArchitectural engineering
This invention provides a method for recycling concrete slabs from building demolition, relating to the technical field of concrete recycling from building demolition. The method includes the following steps: sequentially cutting the reinforced concrete slab obtained from building demolition, performing rust removal and rust inhibition treatment on the reinforcing steel, vacuum pressure impregnation treatment, and surface treatment; wherein the vacuum pressure impregnation treatment includes sequentially performing degassing, injecting impregnating material and allowing the impregnating material to penetrate the internal pores of the reinforced concrete slab, and curing treatment. The concrete slabs from building demolition treated by this method possess the comprehensive advantages of maintaining structural integrity, long-term stability of the reinforcing steel-concrete interface, dense and strengthened matrix, and integration of the decorative surface with the structural body.
Owner:BCEG RESOURCES RECYCLING CO LTD
A processing device for wet concrete recycling
This utility model relates to the field of wet concrete recycling technology and discloses a processing device for wet concrete recycling, including a recycling bin. A drive assembly is fixedly installed on one side of the bottom of the recycling bin, and a hollow transmission gear meshes on one side of the drive assembly. A centrifugal filter screen is fixedly installed on the top surface of the hollow transmission gear, and a drain pipe is provided through the other side of the bottom of the recycling bin. This processing device for wet concrete recycling, through the arrangement of the centrifugal filter screen and crushing assembly, allows wet concrete to be fed into the centrifugal filter screen. An external power source is connected, and servo motor A drives the rotating gear to rotate, which in turn drives the hollow transmission gear and the centrifugal filter screen to rotate, centrifuging and dewatering the wet concrete. Servo motor B drives the crushing rod and auger rod to reverse, crushing the wet concrete for easy recycling. After processing, the valve is opened, and the auger rod accelerates the discharge of the wet concrete through the hollow transmission gear and the discharge pipe, facilitating discharge and preventing blockage of the discharge pipe.
Owner:QINGTONGXIA HENGYUAN CONCRETE IND CO LTD
Road concrete recycling and crushing equipment
ActiveCN223317023UUsing liquid separation agentRoads maintainenceArchitectural engineeringStructural engineering
The utility model discloses road concrete recycling and crushing equipment, and relates to the technical field of concrete recycling, the road concrete recycling and crushing equipment comprises a storage vehicle and a crushing assembly, the crushing assembly is used for crushing road concrete blocks, two first electric push rods and a water pump are arranged on the crushing assembly, and the output ends of the two first electric push rods are fixedly provided with a cover body; the cover body is located above the storage trolley, and a U-shaped guide plate is fixed to the outer side of the bottom of the cover body. The two first electric push rods are used for pushing the cover body to move downwards, so that the cover body covers the top of the storage vehicle, in this way, when road concrete is crushed and discharged through the crushing assembly, concrete particles and dust are difficult to overflow and are stored in the storage vehicle as much as possible, and when the storage vehicle is full of the crushed concrete, a water pump is started to spray water out along a spray head on a U-shaped pipe; and dust falling treatment is carried out on air in a cover body above the storage vehicle, so that dust overflowing during storage vehicle replacement is reduced, and interference of concrete crushing to the surrounding environment and workers is reduced as much as possible.
Owner:SHANDONG HIGHWAY TECHNICIAN COLLEGE
Concrete waste slurry recovery system
The utility model discloses a concrete waste slurry recovery system which comprises a raw slurry tank, a clear water tank, an active agent tank, a slurry preparation tank and a finished product tank, the slurry preparation tank is respectively communicated with the raw slurry tank, the clear water tank and the active agent tank through pipelines, the finished product tank is communicated with the slurry preparation tank through a pipeline, and a pump body for providing conveying power is arranged on the pipeline. Waste slurry obtained after sand and stone separation of concrete waste water is stored in the primary slurry tank, then the waste slurry, clear water and an active agent can be introduced into the slurry preparation tank to be mixed, the clear water can reduce the concentration of the waste slurry in the period, and the active agent stimulates the activity of cement; and the mixed liquid in the slurry preparation tank is introduced into the finished product tank and can be directly recycled as a production raw material of concrete, so that the recycling rate is higher, additional cost of filter cake treatment is not generated, and the waste slurry recycling cost is effectively reduced.
Owner:TAIZHOU SIQIANG NEW BUILDING MATERIALS CO LTD
Processing device for recycling and blending waste concrete into asphalt
The utility model discloses a processing device for recycling and blending waste concrete into asphalt, which comprises a concrete screening box and a mixing processing box, a conveying structure is arranged between the concrete screening box and the mixing processing box, and a rotary fan and a fixing screw are mounted on the outer wall of the front end of the concrete screening box. A motor shell is mounted at the top of the mixing processing box, a silane coupling agent inlet is formed in one side of the motor shell, a waste outlet is formed in the outer wall of the concrete screening box, a first-stage screening net, a second-stage screening net, a third-stage screening net and an inclined plate are mounted in the concrete screening box, hydraulic rods are arranged at the two ends of the first-stage screening net, and hydraulic cylinders are arranged at the two ends of the second-stage screening net. And a variable frequency motor is installed in the motor shell, a stirring shaft is connected to the bottom of the variable frequency motor, a heating block is installed on the inner wall of the concrete screening box, waste concrete materials with different particle sizes can be effectively separated through the screening net, and the uniformity and consistency of the materials are guaranteed.
Owner:CHONGQING PUFU IND CO LTD
Treatment method and device for construction waste of sea-crossing bridge construction
The invention discloses a treatment method and device for construction waste of sea-crossing bridge construction, and belongs to the technical field of construction waste recycling, the device comprises a concrete recycling module, a magnetic collecting tank, a cyclone separator, a water filtering tank, a water tank and other assemblies, and classified recycling and treatment of reinforcing steel bars, gravel, sand, cement paste and waste water are achieved through the multi-stage separation technology. The treatment method comprises the steps that after the construction waste is crushed, steel bars are separated through the magnetic collecting tank; the remaining concrete material enters a rotating second cavity, and graded separation of gravel, sand and cement paste is achieved through gradient rotating speed and inclined spraying; and finally, solid-liquid separation is completed through a cyclone separator, and the wastewater is recycled or discharged after reaching the standard after being treated. The method realizes efficient resource utilization of the construction waste, has the characteristics of modularization, low cost, environmental protection and the like, and is suitable for green construction of large-scale projects such as sea-crossing bridges and the like.
Owner:ROAD & BRIDGE INT CO LTD +3
A precast pile cover mold residual concrete recycling device
This invention belongs to the technical field of concrete recycling devices, specifically a device for recycling residual concrete from precast pile formwork. The device includes a frame, a 3D vision inspection unit, a vertical water jet array, a lateral water jet assembly, an adjustment unit, and a controller. The 3D vision inspection unit acquires 3D point cloud data of the formwork, identifying the cross-sectional profile, sidewall tilt angle, and residual concrete distribution. The controller, based on the residual height distribution, controls the adjustment unit to adjust the spray angle and distance of the lateral water jets, moving the impact point along the sidewall height direction to achieve full-height coverage impact. The controller also optimizes the impact direction based on the sidewall tilt angle, ensuring the water jet is perpendicular to the sidewall surface, and compensates for energy attenuation through a pressure adjustment mechanism. The vertical and lateral water jets simultaneously impact corner areas, with visual recognition assisting in avoidance control to protect bolt holes and reinforcing ribs. This invention can adapt to different formwork specifications, achieving uniform cleaning of the entire sidewall height, eliminating cleaning dead zones, and saving water and energy.
Owner:THE FOURTH ENG CO LTD OF CHINA RAILWAYNO 20 BUREAU GRP +2
Tunnel concrete spraying device with concrete recycling function
The utility model discloses a tunnel concrete spraying device with a concrete recovery function, and particularly relates to the field of concrete recovery, which comprises a main body, an electric cylinder is fixedly mounted on one side of the main body, a flow guide hopper is fixedly mounted at the output end of the electric cylinder, the flow guide hopper is slidably connected to the inner side of the main body, and a support frame is fixedly mounted at the top of the flow guide hopper. The inner side of the supporting frame is rotationally connected with a recycling paddle, a first motor is fixedly installed on one side of the supporting frame, the recycling paddle is fixedly installed at the output end of the first motor, the inner side of the flow guide hopper is rotationally connected with a conveying roller, the outer side of the conveying roller is sleeved with a conveying belt, and a second motor is fixedly installed on one side of the flow guide hopper. The conveying roller is fixedly installed at the output end of the second motor. By arranging the flow guide hopper and the recovery paddle, concrete is pushed into the inner side of the flow guide hopper through the recovery paddle, is conveyed into the feed hopper through the conveying belt, is pumped into the feed box, and can be reused after being secondarily stirred in the feed box.
Owner:SHANDONG JIAOTONG UNIV
Cast-in-place box girder waste concrete recovery equipment and method
The invention relates to the technical field of concrete recycling, in particular to cast-in-place box girder waste concrete recycling equipment which comprises a container, an immersion cleaning box, a sediment box and a water storage box are arranged in the container, the bottom of the immersion cleaning box is arranged in a downwards-concave mode, and the immersion cleaning box is used for storing water, conducting concrete fragment screening work in water and synchronously achieving cleaning and dust falling. The bottom of the immersion cleaning box is communicated with a desilting pipe, and the desilting pipe is used for wastewater circulation between the immersion cleaning box and the settling box and meanwhile deposits and collects screened silt; a partition plate and a water seepage plate are arranged in the water storage tank, and the water seepage plate is used for filtering suspended fine particulate matters in wastewater, improving the cleanliness of the wastewater, expanding the utilization range of circulating water and protecting circulating water pumping equipment; concrete blocks, silt and powder are screened and filtered through the screen, the sand filter screen and the water seepage plate, the silt and the powder are driven to move through water flowing, meanwhile, self-cleaning of the sand filter screen can be achieved through water shaking, the sand filter screen does not need to be frequently replaced, and the equipment use and maintenance cost is reduced.
Owner:CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP CO LTD
Concrete recycling device for waste concrete
ActiveCN224041203UUsing liquid separation agentGrain treatmentsArchitectural engineeringStructural engineering
The utility model discloses a waste concrete regeneration device, and belongs to the field of concrete regeneration, the waste concrete regeneration device comprises a bottom plate, two supports are symmetrically and fixedly mounted at the top of the bottom plate, a crushing bin is fixedly mounted on the inner sides of the two supports, and a rotating rod is rotatably connected to the inner wall of the crushing bin; crushing teeth and a gear are fixedly mounted on the outer edge of the rotating rod, a water tank is fixedly mounted at the top of the bottom plate, one end of a water pipe is fixedly connected to the inner wall of the water tank, a nozzle is fixedly connected to the other end of the water pipe, and a storage box is fixedly mounted at the top of the bottom plate. Water in the inner cavity of the water tank is sprayed into the inner cavity of the crushing bin through the nozzles, then crushing teeth and concrete are wetted, raised dust can be reduced, meanwhile, the crushing teeth can be cooled, dust flying is reduced, sanitation and environmental protection are improved, workers cannot suck a large amount of dust, and safety is improved.
Owner:YANGZHOU TIANYE CONCRETE CO LTD
Concrete recycling method and device
The invention discloses a concrete recycling method and device, the device comprises a support, a feed hopper, a crushing assembly and a screening assembly, the feed hopper and the crushing assembly are arranged on one side of the support, and the screening assembly is arranged on the other side and connected with the support. The crushing assembly is provided with an adjustable clamping assembly and a crushing device, the clamping assembly clamps concrete on the clamping assembly, the crushing device drives a rotating shaft through a motor, a crushing head is arranged on a mounting column of a mounting disc on the shaft, and multi-angle crushing can be achieved. A containing cavity is formed between every two adjacent mounting discs, the crushing head can rotate, and broken blocks in distress can be squeezed into the cavities to prevent machine clamping. The screening assembly can remove metal impurities through magnetic separation. And the spraying assembly synchronously cleans and removes dust and impurities during crushing. The device integrates crushing, cleaning, screening, grading and magnetic separation, and the recycling efficiency and quality and the purity and cleanliness of recycled materials are improved.
Owner:SICHUAN HAOZHONG ELECTRIC POWER EQUIP CO LTD
YOLO11-based cement concrete recycled aggregate water absorption rate identification regulation and control method
The invention relates to the technical field of cement concrete regeneration, in particular to a cement concrete recycled aggregate water absorption recognition regulation and control method based on YOLO11, which is characterized by comprising the following steps: acquiring finished aggregate images in batches, and constructing a training data set; constructing a classification detection network based on YOLO11, and establishing a mature water absorption identification model through deep learning; the finished aggregate is monitored in real time, image acquisition is continuously performed, dynamic identification is performed through a water absorption identification model, and a dynamic monitoring database is constructed; a closed-loop feedback mechanism is adopted, and the fan frequency and the vibration frequency of the specific gravity sieve are automatically adjusted according to the water absorption rate of finished aggregate detected in real time. According to the method, the limitation of traditional manual sampling inspection is broken through, the recognition precision that the water absorption rate classification reaches 95% or above is achieved, the output stability of finished aggregate is remarkably improved, the industrial problems of high mortar residue rate, poor water absorption rate and the like caused by feeding fluctuation are effectively solved, and the output rate of high-quality aggregate is improved.
Owner:FUJIAN SOUTHERN HIGHWAY MECHANICAL CO LTD
Concrete recycling and circulating processing equipment
The utility model discloses concrete recycling and circulating processing equipment, which relates to the technical field of concrete recycling and comprises a concrete crushing mechanism, one end of the concrete crushing mechanism is provided with a feeding mechanism, one end of the feeding mechanism is provided with a screening mechanism, and the screening mechanism comprises a third fixing frame. According to the aggregate screening device, concrete waste is crushed through the concrete crushing mechanism, then crushed aggregate is fed through the feeding mechanism, the aggregate is conveyed into the screening box, and five-stage screening is conducted on the aggregate through five sets of slotted holes with different sizes formed in the screening box; and in the screening process, the driving motor drives the transmission shaft to rotate, and then the screening box is driven to rapidly screen the aggregate.
Owner:ANHUI SHENGYU NEW MATERIAL TECHNOLOGY CO LTD
Concrete waste residue recycling and mixing device
ActiveCN223477989USolid waste managementMixing operation control apparatusEnvironmental engineeringRaw material
The utility model relates to a concrete waste residue recycling and mixing device, and belongs to the technical field of concrete recycling, the concrete waste residue recycling and mixing device comprises a treatment box, a crushing mechanism, a screening mechanism and a mixing mechanism, the crushing mechanism is arranged at the inner upper part of the treatment box, the screening mechanism is arranged at the inner middle part of the treatment box, and the mixing mechanism is arranged at the inner lower part of the treatment box; and the screening mechanism comprises a screen, a movable rod, a fixed block and a spring. According to the concrete waste residue recycling and mixing device, by arranging the smashing mechanism, the screening mechanism and the mixing mechanism, after concrete waste residues are poured into the treatment box, the waste residues are smashed through the smashing mechanism, smashed concrete particles fall onto a screen to be screened, and then the screened concrete particles fall into the mixing box; concrete raw materials are added into the mixing box through the feeding hopper, mixing can be directly carried out to produce new concrete by adding water, the device is high in integration degree, and the production efficiency is improved.
Owner:GUANGZHOU CONSTR GRP CONCRETE CO LTD
Asphalt concrete block crushing device
The invention discloses an asphalt concrete block crushing device, and relates to the technical field of concrete recycling, the asphalt concrete block crushing device comprises a base, a crushing part is fixedly mounted at the end of the base, meanwhile, a protection ring is fixedly mounted on one side of the base, a screening assembly is clamped to the inner wall of the protection ring, the end of the screening assembly communicates with the crushing part, and the crushing part is fixedly mounted on the inner wall of the protection ring. Metal parts in the concrete blocks are screened out through the screening assembly; according to the asphalt concrete block crushing device, metal is effectively separated from concrete through the screening assembly, so that metal pollution is reduced, material purity is ensured, meanwhile, through magnetic separation, the metal recovery efficiency can be improved, it is ensured that more metal materials are extracted, and the economic value of recycling is further improved.
Owner:CHENYANG HUISHAN ROAD CONSTRUCTION MATERIALS MANUFACTURING CO LTD
Concrete recycling device
The utility model relates to the technical field of concrete recycling devices, and discloses a concrete recycling device which solves the problems that an existing concrete recycling device does not have a smoke absorbing function, so that smoke drifts around in the concrete crushing process, and the working environment is seriously affected. Four supporting legs are fixedly installed at the bottom of the supporting plate and distributed along the four corners of the bottom of the supporting plate, a crushing and recycling device body is fixedly installed in the middle of the top of the supporting plate, a feeding hopper is fixedly installed at the top of the crushing and recycling device body, and two crushing rollers are installed in the crushing and recycling device body. An equipment mounting box is fixedly mounted on one side of the top of the supporting plate, and an L-shaped mounting frame is fixedly mounted on the top of the equipment mounting box; the concrete recovery device has a good and effective smoke dust absorption function, smoke dust is prevented from drifting around in the concrete crushing process, and the working environment is guaranteed.
Owner:HARBIN LINFENGXIANG CONSTR CO LTD
Polymer type waste concrete recycled micro-powder activating agent as well as preparation method and application thereof
The invention discloses a polymer type waste concrete regenerated micro-powder activating agent and a preparation method and application thereof, and belongs to the technical field of cement-based material admixtures, the regenerated micro-powder activating agent is obtained by a copolymerization reaction of a comonomer A, a comonomer B and a comonomer C; the structure of the comonomer A accords with the following general formula: m is an integer of 1-5, n1, n2, n3... ni are the same or different and are integers of 5-20, and i is an integer and is greater than or equal to 5 and less than or equal to m + 4; the comonomer B is any one of acrylic acid or methacrylic acid; and the comonomer C is any one of acrylamide or N, N-dimethylacrylamide. The activating agent is a network polymer, the number-average molecular weight is 200000-500000, and compared with a traditional micromolecule trihydric alcohol amine activating agent, the activating agent has better activating efficiency on regenerated micro-powder, and the compressive strength performance of regenerated micro-powder mortar and concrete is improved more obviously.
Owner:BOTE BUILDING MATERIALS (TIANJIN) CO LTD +1
Concrete recycling device
The utility model provides a concrete recycling device which comprises an equipment supporting frame and an equipment mounting frame on the equipment supporting frame, the equipment mounting frame is welded and fixed on the equipment supporting frame, and a concrete block feeding and conveying device is arranged on the equipment mounting frame. A concrete block feeding and conveying device is arranged on one side of the concrete block feeding and conveying device, the concrete block feeding and conveying device is connected to a conveying driving device through a transmission chain, the concrete block feeding and conveying device comprises a plurality of concrete block feeding and conveying rollers, and the concrete block feeding and conveying rollers are arranged in parallel. One end of the concrete block feeding conveying roller is connected to a conveying driving device through a transmission chain, large concrete blocks can be conveyed to a feeding port of a concrete smashing and recycling device, feeding continuity can be guaranteed, and machining efficiency is improved.
Owner:CHINA RAILWAY SEVENTH BUREAU GRP NANJING ENG CO LTD
Concrete recycling device
The utility model relates to the technical field of concrete, and provides a concrete recycling device which comprises a shell, a conveying belt is fixedly installed on one side of the outer portion of the shell, a motor is fixedly connected to one side of the outer portion of the shell, the motor is fixedly connected with a rotating rod through an output shaft, and a cam is fixedly connected to the outer portion of the rotating rod. A limiting plate is fixedly connected to one side of the interior of the shell, a rotating frame is arranged at the top of the limiting plate, a steel mesh is embedded in the rotating frame, a rotating shaft is arranged on one side of the exterior of the rotating frame, the rotating shaft is connected with the shell through a bearing, and a guide plate is arranged on one side of the exterior of the rotating shaft. And the rotating frame and the guide plate are rotationally connected through a rotating shaft, a fixing plate is fixedly connected to the interior of the shell, and two springs are fixedly connected to one side of the exterior of the fixing plate. By means of the technical scheme, the problem that in the prior art, concrete gravels are inconvenient to separate, discharge and restrain dust is solved.
Owner:HUBEI FENGTAI NEW BUILDING MATERIALS CO LTD
Process for recycling coal ash of power plant to produce concrete
The application relates to the technical field of concrete recycling, and discloses a concrete process prepared by recycling power plant fly ash, wherein the power plant fly ash, cement, mineral powder, basalt crushed stone and river sand are mixed and stirred to obtain a mixture; water reducing agent, modified bamboo fiber, modified steel fiber and water are added to the mixture and stirred to obtain concrete. The modified bamboo fiber can be filled into the pore structure of the concrete by the calcium carbonate crystals induced by the bacillus pasteurii bacterial liquid and urea, the bonding strength of the modified bamboo fiber and the concrete is enhanced, and the mechanical strength of the concrete is further enhanced; the zinc acetate on the surface of the modified steel fiber can form a coating of crosslinked network structure with the polyethylene glycol phosphate, the contact area and the binding force with the concrete aggregate are increased, the steel fiber is more firmly dispersed in the concrete, and the mechanical strength of the concrete is improved.
Owner:LINYI ZHENWEI BUILDING MATERIALS CO LTD
Concrete reclaimed material screening and feeding device
Owner:NANJING TONGGONG CONCRETE ENG CO LTD
Building concrete recycling treatment device
The utility model belongs to the technical field of concrete recovery and regeneration, and particularly relates to a building concrete recovery and regeneration treatment device which comprises a machine body, the right upper end of the machine body is rotationally connected with the right lower end of a sealing cover through a hinge, a fan is fixedly connected to the sealing cover, and the upper end of the sealing cover is fixedly connected with an air inlet of the fan. An air outlet of the fan is fixedly connected with one end of a ventilation hose, the other end of the ventilation hose is fixedly connected with a dust collection box, and the left side and the right side of the machine body are rotationally connected with a first crushing roller and a second crushing roller through four bearings correspondingly. According to the building concrete recycling treatment device, dust generated during working is sucked into the filter plate on the dust collection box through the fan system, so that the dust generated during working of the building concrete recycling treatment device is collected and treated instantly, comprehensively and effectively, and leakage of the dust is greatly reduced.
Owner:ZAOZHUANG TUOYU BUILDING MATERIALS CO LTD
Concrete recycling
Methods, apparatus, computer program products, and systems for concrete recycling are disclosed. A method for concrete recycling includes obtaining information on recyclable ready-mix concrete (RMC) surplus (200), such information including the location and amount of the RMC surplus, sending an RMC recycling request to a server (202), receiving from the server information on one or more aggregate delivery sites where the RMC surplus converted into aggregate can be received (204), such information including one or more locations of one or more aggregate delivery sites, and outputting at least one of the one or more locations (206).
Building concrete crushing and reinforcing steel bar recycling integrated intelligent processing system
The invention discloses a building concrete crushing and reinforcing steel bar recycling integrated intelligent processing system, and relates to the technical field of concrete recycling, the building concrete crushing and reinforcing steel bar recycling integrated intelligent processing system comprises a sensing module, a control module, a material conveying module, an execution module and a feedback module; the multi-mode sensing modules are arranged at the feeding port of the equipment and the inlet of the crushing cavity, accurate recognition and feature collection of the postures of reinforcing steel bars in concrete are achieved, stress pre-judgment and dynamic adjustment of operation parameters of all the modules are completed in combination with a deep learning model of the control module, the problem that the equipment is stuck is effectively avoided, and the working efficiency is improved. The failure rate of equipment is reduced, bending and damage to reinforcing steel bars in the crushing process are reduced by adopting adaptive operation regulation and control strategies for different reinforcing steel bar postures, the straightening recovery rate of the reinforcing steel bars is improved, all operation links are connected by additionally arranging a material conveying module, and the material conveying efficiency is improved. And a closed-loop control system is matched to form exclusive reinforcing steel bar posture adaptive cooperative control logic, and crushing and separation are converted into space cooperative operation from time sequence step-by-step operation.
Owner:QINGDAO HAIBEI OCEAN ENG RES INST CO LTD