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116 results about "Concrete recycling" patented technology

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.

Residual concrete recovery device

The utility model provides a residual concrete recovery device, which belongs to the technical field of concrete recovery, and comprises an inclined upward auger provided with a feed port and a discharge port, a screen arranged on the inner bottom wall of the auger and arranged along the length direction of the auger, and a knocking component comprising a knocking part and a blocking part, the knocking part is installed on a rotating shaft of the auger, the blocking part is installed on the screen, and when the auger rotates, the knocking part can collide with the blocking part so that the screen can vibrate; according to the utility model, under the continuous turning of the auger, the situation of insufficient filtration caused by adhesion of concrete is avoided; vibration generated when the movable rod impacts the sleeve is transmitted to the screen, particles such as grit blocked in the screen can fall off from the screen under the action of vibration, and blocking of the screen is avoided; by introducing dilution water into the rotating shaft of the auger, when residual concrete is diluted, concrete attached to the auger blades can be washed out.
Owner:HENAN GUANGRUI CONSTR ENG CO LTD

Method for recycling road concrete

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

Crushing device for mechanical engineering

The invention discloses a smashing device for mechanical engineering, and particularly relates to the technical field of smashing, the smashing device comprises a shell, a transfer assembly is fixedly connected to the right side of the upper end of the shell, a smashing assembly is fixedly connected to the front end of the transfer assembly, moving assemblies are fixedly connected to the left side and the right side of the shell, and a screening assembly is fixedly connected to an inner cavity of the shell. A conveying assembly is fixedly connected to the bottom of the right side of the screening assembly. According to the smashing device for mechanical engineering, the screening assembly is arranged to be matched with the moving assembly, so that concrete can rapidly slide on the screening assembly through vibration, the situation that fine particles or wet materials adhere to a screen is reduced, and the possibility of blockage is reduced; and through the arrangement of the transfer assembly, the screened materials can be transported, so that the screened materials are put into the crushing assembly again, large concrete blocks can be crushed again, the concrete recycling quality is further improved, and different particle size requirements are met.
Owner:SHANDONG KAIWEN COLLEGE OF SCI & TECH

Coarse and fine aggregate screening device for building concrete recycling

The invention discloses a coarse and fine aggregate screening device for building concrete recycling, and belongs to the technical field of building construction. The screening assembly comprises end plates which are symmetrically arranged, a through hole is formed in the middle of each end plate, a plurality of guide holes which are evenly distributed in the circumference are formed in the outer side of each through hole, screening rods are arranged in the guide holes, the ends of the screening rods are located in the guide holes, and a plurality of traction assemblies are arranged on the portions, on the outer sides of the guide holes, of the end plates. The multiple traction assemblies are arranged in a staggered mode, each traction assembly comprises an arc-shaped rack, an arc-shaped groove is formed in the end plate, the arc-shaped racks are slidably connected into the arc-shaped grooves, a driving gear is arranged on the outer side of each arc-shaped rack, the driving gears and the arc-shaped racks are arranged in a meshed mode, and a driving motor is arranged on the end plate. And the driving motor is fixed on the end plate. According to the technical scheme, the problem that in the prior art, due to the fact that screen meshes of a screening device are blocked, use is inconvenient is solved.
Owner:SHANGHAI CONSTRUCTION FOURTH CONSTRUCTION GROUP CO LTD

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

Environment-friendly residual concrete recycling equipment for civil construction

The invention discloses environment-friendly residual concrete recycling treatment equipment for civil construction, and relates to the technical field of civil construction, the environment-friendly residual concrete recycling treatment equipment comprises a device box body, a material feeding port is formed in the upper end of the device box body, a material discharging port is formed in the bottom of the device box body, and a grinding box body is fixedly mounted in the device box body; through the synergistic effect of the crushing rollers and the conical grinding rollers which rotate in the opposite directions, efficient multi-stage treatment of residual concrete is achieved, it is ensured that large concrete blocks are rapidly crushed into uniform fragments through gear meshing transmission of the crushing rollers, and the conical grinding rollers and the grinding cavity form a gradually-changed extrusion gap during rotation to cooperate with size control of a discharging opening, so that the crushing efficiency is improved. Compared with traditional single-stage crushing equipment, the structure has the advantages that the treatment efficiency is improved by about 40%, the ground particles are better in gradation and can directly serve as recycled aggregate to be used for preparing low-grade concrete, and secondary processing energy is reduced.
Owner:HEFEI UNIV OF TECH

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

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

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

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

Recovery processing device for construction waste recycled concrete

The utility model relates to the technical field of recycling treatment devices, and discloses a recycling treatment device for construction waste recycled concrete, which comprises a treatment bin, a feeding hopper is fixedly mounted on the top surface of the treatment bin, a plurality of supporting legs are fixedly mounted on the bottom surface of the treatment bin, a PLC (programmable logic controller) is fixedly mounted on one side of the treatment bin, and a plurality of supporting legs are fixedly mounted on the other side of the treatment bin. A recycling assembly is arranged on the top face of the treatment bin and used for recycling metal substances, and the treatment bin, a feeding hopper, supporting legs, a rotating cylinder, a fixing ring, a limiting hole, a connecting plate and a fixing frame which are arranged are used in cooperation, so that the effect of recycling recycled concrete can be achieved; the concrete recycling device is simple in structure and convenient to use, metal substances in concrete can be screened out, the moving speed of the concrete and the metal substances is reduced through the arranged rotating cylinder, meanwhile, the concrete can be turned over, the situation that the metal substances cannot be magnetically attracted by magnets due to excessive concrete is avoided, the recycling treatment effect of the metal substances is improved, and use is convenient.
Owner:南通固盛建材有限公司

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

PendingCN122275136Aavoid damageAchieve scanning coverageWater savingPoint cloud
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

Concrete recycling and separating device

The utility model provides a concrete recycling and separating device which comprises a box body, a discharging opening is formed in one side of the top of the box body, a conveying mechanism is arranged on the inner side of the box body, a cleaning mechanism is arranged at the top of the conveying mechanism corresponding to the interior of the box body, and the cleaning mechanism comprises a fixing plate and a water pipe. The conveying belt is driven by the conveying rollers to operate, concrete and sand powder can be conveyed to the right side, meanwhile, the concrete and the sand powder are filtered through the conveying belt and the filtering holes, concrete blocks can be washed and cleaned through the water pipe, the water spraying opening and the brush, the sand powder is separated from the concrete blocks, and therefore separation of the sand powder is completed; meanwhile, sand powder can be prevented from drifting away from a discharging opening and the like, and influences on the environment and operators are avoided; and sand powder and water can be separated through a filter screen, a servo motor, a screw and a cross rod drive a push plate to discharge the sand powder from a discharge port, screening and recycling of concrete and the sand powder are completed, and practicability is high.
Owner:HUBEI LICHENG CONCRETE CO LTD

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

Asphalt concrete recycling crushing device

The present invention relates to the technical field of asphalt concrete recycling, and specifically to an asphalt concrete recycling and crushing device, comprising: a processing box, wherein two crushing rollers are rotatably connected to the upper inner wall of the processing box through two first rods, and a feed pipe is fixedly connected to the top of the processing box; a kneading mechanism, wherein the kneading mechanism comprises a first inclined plate fixedly connected to the inner wall of the processing box, the first inclined plate is located below the two crushing rollers, and the inner wall of the processing box is sealed and slidably connected to a second inclined plate, a circular groove is provided at the lower end of the second inclined plate, and a kneading disk is provided on the inner wall of the circular groove. The present invention is provided with a kneading mechanism, so that when the second inclined plate moves above the first inclined plate, the kneading disk can move and rotate at the same time, and knead the crushed old asphalt concrete, which not only reduces the stress strength of the old asphalt concrete, so that the mineral materials in the old asphalt concrete remain intact and not easy to be crushed, but also can remove the old asphalt adhering to the mineral materials by kneading.
Owner:BAOJI LUQIANG ENG MATERIALS CO LTD

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

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

Building formwork support device

The utility model relates to the technical field of formwork supports, and discloses a building formwork support device which comprises a recycling base, a recycling frame is arranged on one side of the recycling base, and a cleaning base, a scraping plate, a cleaning handle, a baffle, a gear motor and a gear are connected into the recycling base in a sliding mode. The concrete recycling device is reasonable in structure, the supporting rod is prone to being broken and damaged when concrete is poured for a long time, the supporting plate falls down so that the poured concrete can not be used due to scattering, and when the supporting rod is damaged, a gear motor drives a gear to rotate through an inductor, so that a recycling seat slides back and forth on the upper surface of the bottom plate; a baffle is fixed on one side of a recycling seat through bolts, concrete is prevented from flowing out, a cleaning handle is fixed in a threaded hole of a cleaning seat through bolts, the concrete in the recycling seat is collected by pushing and pulling the cleaning handle, a recycling motor drives a stirring shaft to rotate, it is avoided that the recycled concrete is solidified and used illegally, and it is avoided that the concrete is scattered and cannot be cleaned easily; and loss is caused by illegal repeated use.
Owner:王晓东

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

Waste concrete recycling device

The utility model discloses a waste concrete recycling device, relates to constructional engineering technical field, including crushing box, connecting shell and purification box, the inside of first support plate is movably provided with filter screen, the inside of purification box is provided with connecting pipe in penetrating mode, the inside of mounting box is provided with fan, and the inside of mounting box is provided with fan. And a connecting shell is connected into one side of the mounting box in a penetrating manner. According to the air purification device, the purification box and other components are arranged, through operation of the draught fan, water stored at the bottom of the purification box can primarily purify air in air extracted by the connecting pipe, dust in the extracted air can be secondarily purified through the filter screen, and auxiliary supporting, limiting and guiding sliding can be conducted on the filter screen through the first supporting plate; and the used filter screen can be conveniently disassembled, assembled, cleaned and replaced, so that dust in the waste gas concrete crushing process is cleaned, and the influence of the crushed concrete dust on the surrounding working environment and the harm to the body health of workers are effectively reduced.
Owner:TAIZHOU HAOQIANG BUILDING MATERIALS CO LTD

Concrete waste residue recycling and mixing device

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