267 results about "Construction waste" patented technology

The application relates to the technical field of soil improvement, in particular to a method for improving engineering slag soil into planting soil, characterized in that the method comprises the following steps: step one, pretreating the engineering slag soil and screening after removing sundries; step two, adding 15-25% humic acid into the engineering slag soil according to the mass percentage; step three, uniformly mixing the engineering slag soil and the humic acid to obtain a mixture; step four, piling up and curing the mixture for 7-14 days, and obtaining improved planting soil after the curing period; wherein the cation exchange capacity of the improved planting soil is 35-45 cmol(+) / kg, and the available potassium content reaches 1500-5000 mg / kg. The method for improving engineering slag soil into planting soil provided by the application can improve the problems of low efficiency, poor operability or high cost in the method for improving engineering slag soil into planting soil in the prior art.

The application relates to the technical field of solid waste treatment, and discloses an intelligent control sorting system and sorting equipment for construction waste based on AI vision, which integrates material conveying, visual sensing, multi-stage driving sorting and a central main control module; a main controller constructs a window load entropy model based on visual data, reversely adjusts the frequency of a front-end vibrating material uniformizing device to realize full-line load balancing, and effectively prevents the phenomenon of overload congestion or idling of rear-end mechanical arms; a special electro-hydraulic mixed drive gripper is arranged at the sorting end, which can intelligently switch between servo electric power soft grabbing and hydraulic rigid heavy load locking modes according to the physical properties of materials; in addition, the system calculates visual touch feature residual errors by using physical feedback in the grabbing process, and iteratively corrects the weight parameters of the visual recognition algorithm online. The application effectively solves the problems that the traditional sorting line has large flux fluctuation and complex rigid and flexible materials are difficult to be considered, and significantly improves the overall sorting efficiency and purity of the system.

This utility model discloses a pre-treatment and leveling device for construction waste, belonging to the field of construction waste treatment technology. It includes a conveyor frame, a conveying mechanism, a turning mechanism, and a leveling mechanism. In this utility model, a second reduction motor and two first gears work together to drive two crushing rollers to rotate in opposite directions. The two crushing rollers crush the construction waste placed in the crushing box, ensuring smooth leveling of the waste later. A third reduction motor drives a reciprocating screw to rotate. The meshing transmission between the reciprocating screw and a rack drives the rack to move back and forth. The meshing transmission between the rack and the second gear drives the discharge pipe to swing horizontally back and forth, thereby changing the position of the construction waste falling into the discharge pipe and ensuring that the construction waste is evenly distributed on the conveyor belt. This device is highly practical.

This invention relates to the field of construction waste logistics resource scheduling and operation optimization technology, and particularly to a method and system for intelligent vehicle capacity scheduling at construction waste transfer stations. It includes the following steps: S1: Obtaining the arrival time of construction waste transport vehicles at the construction waste transfer station and determining a first scheduling vehicle sequence; S2: Obtaining the processing flow, processing technology, and processing time for different types of construction waste at the construction waste transfer station, and adjusting the first scheduling vehicle sequence according to the processing flow, processing technology, and processing time to obtain a second scheduling vehicle sequence; S3: Obtaining the processing demand of construction waste treatment stations for the construction waste transfer station, and classifying the processing demand into stability demand, intermittent demand, and urgent demand. This invention integrates the arrival time sequence of construction waste vehicles, constructs a processing burden assessment and scheduling optimization mechanism, and improves the utilization rate of transfer station equipment, vehicle turnover efficiency, and the system's response and coordination capabilities to multi-source dynamic demands.

This invention relates to the field of construction waste conveying technology, specifically to a construction waste transfer device for construction work, comprising a mobile platform, a conveyor, a lifting mechanism, a dust suppression mechanism, a dust removal mechanism, and a mobile component. The conveyor is mounted on the mobile platform and includes a conveyor belt. The lifting mechanism is mounted on the mobile platform. The dust suppression mechanism is mounted on the conveyor and includes multiple atomizing nozzles. The dust removal mechanism is located inside the conveyor belt and includes brushes. The mobile component is located at the bottom of the conveyor and includes push-pull rods. The lifting mechanism automatically and quickly raises one end of the conveyor to the working height. The dust suppression mechanism prevents dust generated during operation from flying around due to the water mist sprayed by the atomizing nozzles.

The utility model relates to a technical field of pulverization and collection device, especially to a green building construction waste pulverization and collection device, including work table, the work table is opened and is equipped with rotary hole, is equipped with a plurality of waste pulverization and collection device of pulverization roller in rotary hole, the work table still is equipped with the rotating mechanism of drive pulverization roller rotation, and the work table is equipped with the collection base down. The utility model discloses through setting rotating mechanism, and the convenient operation personnel carries out the pulverization of building construction waste, through setting conveying mechanism, saves the time of conveying collection bag, and the convenient clamping of collection bag is transported, promotes the work efficiency of collecting waste, and the convenient operation personnel carries out the pulverization and collection, novel through setting sliding mechanism, makes to the collection bag effective and opens, prevents the contraction of collection bag mouth, influences the waste efficiency of subsequent collection, through setting fixed mechanism, improves the support effect of the collection bag four around, prevents the collection bag bottom waste too much, leads to the collection bag crack.

This invention discloses a construction waste crushing device for building construction, specifically relating to the field of construction waste crushing. The device includes a crushing apparatus, characterized in that a steel bar discharge assembly is provided at the bottom of the crushing apparatus. This assembly comprises a bending discharge assembly and an adsorption discharge assembly. The bending discharge assembly includes a support shell fixedly connected to the bottom of the crushing apparatus. A connecting shaft is rotatably connected to the inner wall of the support shell. A drive motor is fixedly connected to one side of the support shell. The connecting shaft is fixedly connected to the output end of the drive motor. Both ends of the connecting shaft are fixedly connected to transmission connecting cylinders, and one end of each transmission connecting cylinder is slidably connected to a connecting inner rod. This invention, by setting up the steel bar discharge assembly, processes the separated steel bars, allowing longer steel bars to be bent and shortened from the crushing apparatus for discharge. It also separates concrete and steel bars for further processing.

The application relates to the technical field of resource utilization of construction waste, and discloses a construction waste and waste cement block xylene impurity removal process. In the process, waste cement blocks and waste concrete blocks in the construction waste are subjected to sorting, crushing and screening to obtain recycled aggregates, the aggregates are subjected to pre-washing with clean water to remove loose impurities, and then are subjected to xylene treatment liquid soaking under specific solid-liquid ratio and temperature conditions, and are subjected to ultrasonic oscillation or mechanical stirring to strengthen mass transfer; after treatment, the aggregates are subjected to solid-liquid separation, distillation and purification, and then are recycled, and the aggregates are subjected to washing and drying to obtain high-quality recycled aggregates. The application has excellent impurity removal effect, does not damage the original structure of the aggregates, can realize recycling of the solvent, does not cause pollution of acidic waste water, has strong process adaptability, and can significantly reduce the water absorption rate and crushing index of the treated recycled aggregates, so that the treated recycled aggregates can meet the preparation requirements of medium and high-grade concrete, and the application realizes high-value and green resource utilization of the construction waste.

The application discloses a construction waste transfer device for a construction site, which comprises a transfer box, a connecting frame, a bottom guide rail, a moving wheel, a first motor, a first rotating rod, a top plate, a second motor, a second rotating rod and a side plate, the connecting frame is fixedly connected to one end of the transfer box, the bottom guide rail is fixedly connected to the bottom of the transfer box, the moving wheel is arranged on the two sides of the other end of the transfer box, the first motor is fixedly connected to the top of one end of the transfer box, the first rotating rod is rotatably connected to the top of the transfer box, the top plate is fixedly connected to one end of the first rotating rod, and the second motor is fixedly connected to one side of one end of the transfer box. The connecting frame and the bottom guide rail can conveniently install the transfer box and a carrying vehicle, the first motor and the second motor can drive the top plate and the side plate to rotate, the transfer box can be conveniently closed, and the falling construction waste and dust splashing during transportation can be ensured.

The application discloses building waste and slag mixed crushing and powder brick making equipment, which comprises a crushing shell, a brick making frame and a crushing mechanism; the top wall of the crushing shell is provided with an inlet hopper, and the conical bottom wall of the crushing shell is provided with a discharging pipe; the top wall of the brick making frame is provided with a lower pressing seat at the right end through liquid rod one, the lower surface of the lower pressing seat is provided with evenly distributed rectangular shells, the interiors of the rectangular shells are all slidingly connected with sliding shells, and the top wall of the brick making frame is provided with a mold between the right side front and back ends through liquid rod two, the building waste and slag mixed crushing and powder brick making equipment can automatically scrape the powder brick making raw materials elastically and reduce the labor intensity when supplying the mold with the brick making raw materials, the device can extrude the brick blocks from the mold through the spring elasticity, the extrusion adhesion phenomenon between the mold and the brick blocks is avoided, and the crushing gap of the device can be controlled, so the device is suitable for a wide range of applications.

The utility model relates to the field of building materials discloses a construction waste classifying pretreatment device, including support frame, the outside fixed connection of support frame has telescopic support plate, the top fixed connection of telescopic support plate has the cylinder, the outside fixed connection of cylinder has the toothed plate, the outside rotationally connected of toothed plate has the gear, the inside fixed connection of gear has the rotation bar no.

The application provides a groundwater in-situ remediation system and method of multiple biological permeation reaction wall coupling ultrasonic waves and plant remediation, the groundwater in-situ remediation system comprises a multiple biological permeation reaction wall, a PLC control system and an artificial plant ecological remediation area, the multiple biological permeation reaction wall is arranged in a funnel-gate type engineering, the funnel part blocks the contaminated groundwater through a vertical cement curtain, an ultrasonic generator module is arranged in front of the gate part of the multiple biological permeation reaction wall, the multiple biological permeation reaction wall is divided into two layers, the filling material of the first layer permeation reaction wall is mainly composed of zero-valent iron, iron oxide and construction waste, the filling material of the second layer biological permeation reaction wall is mainly composed of high-performance biological adsorption zeolite and ORC slow-release material calcium peroxide, a microbial bacteria liquid injection pipe is arranged in the second layer biological permeation reaction wall, and monitoring wells are arranged on the two sides of the multiple biological permeation reaction wall and the artificial plant ecological remediation area.The application can treat and remediate multiple composite pollutants at a time, and the pollutant degradation efficiency is improved.

The application discloses a modular manhole cover based on waste recycling, which comprises a waste reinforcement mesh frame, a waste cover plate arranged on the upper part of the waste reinforcement mesh frame, a reflective warning layer arranged on the upper surface of the waste cover plate, waste rubber arranged on the outer periphery of the waste cover plate and the waste reinforcement mesh frame, a waste reinforcement handle arranged on the waste cover plate, a waste reinforcement hook arranged on the lower part of the waste reinforcement mesh frame, and a waste counterweight barrel hung on the waste reinforcement hook. The application has the advantages that the comprehensive utilization rate of waste is greater than or equal to 90%, construction waste is reduced, the modular design is convenient to assemble and disassemble, the size is flexible, the cover can be used for the protection of manholes with different sizes, the multiple protection mechanism is wind-resistant and stable, the waste on a construction site is utilized, material cost is saved, the maintenance cost is very low, the waste cover can be replaced locally when a wood plate or a rubber strip is damaged, the waste cover does not need to be scrapped as a whole, and the waste cover can be recycled repeatedly.

This invention discloses a waste shredding device with a linked waste inlet and shredding unit, and its usage method. The device includes a housing, and, from top to bottom, a rotating roller, a shredding roller, a waste sorting baffle, and a waste collection box arranged sequentially within the housing. It also includes a drive assembly and a linkage device. The drive assembly is connected to the rotating roller via the linkage device to achieve synchronous rotation of the shredding roller and the rotating roller. Two waste sorting baffles are provided, each with a corresponding waste collection box below it. An operating lever is provided on one side of each baffle, and a limiting device is provided on the housing to lock the baffle in a horizontal position. In use, construction waste is guided by the rotating roller into the shredding roller for shredding. The shredded material is then diverted by the waste sorting baffle to the collection boxes on both sides. When one collection box is full, the baffle state is switched using the limiting device and the operating lever, allowing for collection box replacement without stopping the machine. This invention effectively prevents material splashing, enables continuous operation, and significantly improves safety and operational efficiency.

The application provides a garbage crushing equipment for construction engineering management, and relates to the technical field of construction waste crushing. The equipment comprises a counterweight wheel, an output sleeve coaxially arranged with the counterweight wheel, a plurality of extension pipes equally spaced apart and arranged on the counterweight wheel, a pressurizing rod slidably connected in the extension pipe, a rotating shaft arranged on the pressurizing rod, a roller rotatably arranged on the rotating shaft, a plurality of protruding blocks equally spaced apart and arranged on the side wall of the output sleeve, and the roller being attached to the protruding blocks, and a plurality of friction rings coaxially arranged on the side wall of the counterweight wheel. When the equipment encounters a jam or overload, the system can automatically convert into elastic transmission, effectively protecting the motor and the transmission system from damage. The intelligent adjustment capability not only significantly improves the adaptability and reliability of the equipment, but also greatly prolongs the service life of the equipment, reduces the maintenance frequency and cost.

The utility model relates to building garbage treatment technical field provides a kind of building garbage treatment handling equipment, including car hopper, the right side of car hopper is fixedly installed with water tank, further include: water injection pipeline, fixedly installed in the top rear side of water tank, the front side bottom of water tank is fixedly installed with pump machine;Water inlet pipeline, fixedly installed in the top of pump machine, the other end of water inlet pipeline is provided with swivel joint;The utility model, when using, by the setting of spray head and movable rod structure, can be able to spray water mist to the inside of car hopper, to ensure that even in the process of jolting, waste will not produce a large amount of dust due to excessive vibration, reduce the health influence to construction personnel and surrounding residents, simultaneously, spray head can be helped by pusher, synchronous overturning is carried out, to adjust spray angle and range, so that spray head can cover more area of car hopper, ensure that building waste is dusted in the process of handling, improve work efficiency and dust-reducing effect.

This utility model belongs to the field of construction waste cleaning, specifically a construction waste cleaning device. It includes a base frame, a crushing frame fixedly connected to the top of the base frame, and a PLC control device fixedly connected to the outside of the crushing frame. An outlet is provided inside the base frame, and a cleaning component is installed inside the crushing frame. The cleaning component includes two guide plates fixedly connected inside the crushing frame. This utility model uses the rotation of a first transmission rod to drive the rotation of a first transmission roller, which in turn drives the crushing block to rotate. This, in conjunction with an auxiliary block, crushes bricks and other materials. When the bag becomes entangled with the crushing block and the auxiliary block, a limiting roller can be pulled, allowing the mounting block to rotate along the shaft, thereby moving the auxiliary block and separating it from the crushing block. This reduces the difficulty of removing the bag and allows for bag removal without disassembling the device, reducing the time required for bag removal and improving work efficiency.

This utility model discloses a construction waste crushing and recycling device, including a crushing box. Symmetrically distributed crushing rollers are rotatably connected inside the crushing box. A dust collection box is provided on one side of the crushing box, and a dust collection pipe is fixedly connected to the top of the dust collection box, with the other end of the dust collection pipe fixedly connected to the crushing box. An installation groove is provided on the side of the dust collection box away from the crushing box. During discharge, an electric telescopic rod is activated, and the driving end of the electric telescopic rod drives the limiting rod and the baffle to move, causing the baffle to fail to block the discharge chute, and the dust is guided out through the discharge plate. The motor is then activated, and the output shaft of the motor rotates, driving the transmission shaft to rotate. This, in turn, drives the rotating shaft to rotate through the driven bevel gear and the driving bevel gear. The rotating shaft rotates, causing the discharge plate to move. The discharge plate vibrates through a cam, a telescopic rod, and a second spring, achieving vibration-driven discharge, improving discharge efficiency and facilitating discharge.

The present application relates to the field of solidifying agent, and more particularly to a kind of composite solidifying agent for construction waste recycled material flow state solidified soil and preparation method thereof, comprising the following raw materials: sulphoaluminate cement 20-30 parts, slag powder 15-25 parts, recycled brick powder 10-15 parts, amino-terminated hyperbranched polymer 4-7 parts, silane coupling agent 2-4 parts, urease composite material 2-3 parts, urea microspheres 1-3 parts, calcium chloride 0.5-2 parts, construction waste recycled micro powder 10-18 parts, fly ash 5-10 parts.The solidifying agent solves the technical problems of weak interface in construction waste recycled material flow state solidified soil, enzyme activity easy deactivation, large strength fluctuation, serious shrinkage and cracking and the like through multi-component synergistic effect.

This invention discloses an environmentally friendly shale brick based on multi-source waste and its preparation method. Using shale as the matrix, it is compounded with fine powder from construction waste, sludge incineration ash, waste ceramic powder, and rice husk charcoal. Simultaneously, calcined kaolin, red mud, silane coupling agent, calcium stearate, sodium carboxymethyl cellulose, polyvinyl alcohol, and sodium lignosulfonate are introduced to form a composite system of "inorganic solid waste + mineral reinforcement + organic modification + low-temperature segmented sintering." The organic components play a role in plasticizing, binding, water retention, and crack reduction during the green body stage. They completely pyrolyze at high temperatures without residue and do not affect mineral phase formation. In synergy with the inorganic system, the green body achieves crack-free construction, extremely low shrinkage, and significantly improved strength.

This utility model relates to the field of road engineering technology and provides a construction waste crushing equipment for road engineering, including a crushing box. The crushing box is equipped with a fixed cover, a crushing component, an upper adjustment component, and a lower adjustment component. The upper and lower adjustment components are connected by a pipeline, and a control valve is installed on the pipeline. The crushing component includes a crushing roller, an upper crushing plate, and a lower crushing plate for crushing waste. By setting the upper and lower adjustment components, the positions of the upper and lower crushing plates can be adjusted to increase the frequency of collision between the waste and the upper and lower crushing plates, thereby achieving a finer crushing effect. The control valve connects the upper and lower air bladders, adjusting the pressure of the lower air bladder to minimize the gap between the crushing roller and the lower crushing plate, obtaining smaller construction waste fragments, optimizing the waste crushing process, effectively controlling the size of the crushed waste, and improving crushing efficiency.

This utility model discloses a construction waste sorting device in the field of waste sorting, including a waste sorting machine body. An exhaust box is installed on the front side wall of the waste sorting machine body, and a material distribution port is opened on the side wall of the waste sorting machine body, with a crushing box installed at the material distribution port. A feed hopper is installed at the top of the waste sorting machine body. A screen plate a is vertically installed inside the waste sorting machine body, and a screen plate b is horizontally installed inside the waste sorting machine body. Screen plate a is vertically arranged on the left side of the feed hopper. One end of screen plate b is connected to the bottom end of screen plate a, and the other end of screen plate b is connected to the inner side wall of the waste sorting machine body and located below the material distribution port. With this construction waste sorting device, crushed waste can be discharged through the discharge pipe on the lower side, while uncrushed waste can enter the crushing box for further crushing. Throughout the process, the exhaust box can also suck in the generated dust, thereby improving the efficiency of waste sorting.

The application discloses a kind of coal mine goaf collaborative filling device and construction method, including scraper conveyor, coal mining machine, paste-gangue solid waste filling hydraulic support, gangue-paste filling body, filling flexible membrane, combination switch, forepoling, transfer machine, split type rear retaining wall lower retaining wall, paste filling body, split type rear retaining wall upper retaining wall, rear top beam, front top beam, split type retaining wall gangue throwing window, split type retaining wall paste filling window, working face gangue belt conveyor, underground gangue crushing device.Underground gangue screening device is matched with ground pulp preparation and transportation to realize gangue underground direct filling and paste long-distance transportation collaborative operation.Forepoling is adapted to large mining height broken roof support, and combination switch uniformly controls the operation of whole machine.The application realizes coal mine solid waste underground resource utilization, goaf collaborative filling and green mining, and is suitable for mine ecological protection, coal gangue reduction, construction waste and other solid waste harmless treatment.

This utility model discloses a color sorting device for construction waste with dust suppression function, including a construction waste color sorter and a vibrating feeder. A guide plate is fixed on the discharge port of the vibrating feeder, and the guide plate is located above the inlet of the construction waste color sorter. A cover is fixed above the inlet of the construction waste color sorter, and a main water pipe is fixed on the top of the cover. When the construction waste is generated in the early stage of construction, this part of the waste has more dust. At this time, the solenoid valve does not seal the first water pipe, and water is transported to the first and second water collection pipes through the first and second water pipes, so that both the first and second atomizing nozzles can spray, which plays a role in dust suppression. When the construction waste is generated in the later stage of construction, this part of the waste has less dust. At this time, the solenoid valve seals the first water pipe, so that the first atomizing nozzle stops spraying. Only the second atomizing nozzle sprays, avoiding waste of water resources.

The application discloses a kind of vertical transport devices of construction waste of super high building layer standard layer, including main pipe body, auxiliary pipe body and bottom pipe body, the lower end of the main pipe body is provided with auxiliary pipe body, the lower end of the auxiliary pipe body in the bottom layer is provided with bottom pipe body, the side of the main pipe body is provided with feed bin, the side of the main pipe body below the feed bin is provided with two groups of fixing mechanisms, and the fixing mechanism is clamped on the windowsill.The vertical transport device of construction waste of super high building layer standard layer disclosed in the application is installed and fixed by the main pipe body, the auxiliary pipe body and the bottom pipe body, which are mostly installed in a sliding manner, easy to install and disassemble, and can be reused multiple times.The speed of the construction waste falling can be reduced by the setting of the speed reduction buffer plate and the buffer pushing plate, avoiding the risk of too fast falling speed and loud noise of the construction waste, and the construction waste accumulated inside the bottom pipe body can be removed, making it easy to use.

The application relates to the technical field of construction waste, and discloses a construction method for resource utilization of construction waste through multi-stage crushing, screening and vibration pressing brick making, which comprises the following construction steps: 1) construction waste is transmitted to a jaw crusher for crushing to form primary coarse material; 2) the primary coarse material is transmitted to a cone crusher for crushing to form secondary coarse material; 3) the secondary coarse material is subjected to initial screening through a single-layer vibrating screen to form initial screening material; 4) the initial screening material is conveyed to a multi-layer vibrating screen for screening to form powder material; 5) the powder material is mixed with cement and water for metering, mixing and stirring to form mixed material; 6) the mixed material is conveyed to a mold of a table mold vibration press, and the mixed material in the mold is subjected to vibration pressing to form a green brick; and 7) the green brick is separated from the mold, and is maintained for a set time to form a finished brick. The construction method has the advantages of green environmental protection, waste-to-resource, good brick quality, efficient construction waste treatment and the like.

This invention discloses a calcined slag-fly ash based polymer mortar and its preparation method, belonging to the field of green building materials technology. The mortar is made from calcined slag, fly ash, quartz sand, a composite alkali activator, and water. The calcined slag is obtained by calcining and activating construction waste at 730-770℃, with a specific surface area ≥400 m² / kg. The mass ratio of calcined slag to fly ash is (55%-65%):(35%-45%). The composite alkali activator solution has a modulus of 1.0-1.5 and an alkali content of 9%-11% of the total mass of the cementitious materials. The preparation method includes raw material pretreatment, dry material mixing, wet mixing molding, and standard curing. This invention achieves highly efficient resource utilization of over 50% of construction waste through "dual solid waste coordination + low-alkali activation" technology, significantly reducing alkali usage (to only about 10%). The resulting mortar exhibits rapid early strength development (7-day compressive strength ≥30 MPa), high late-stage strength (28-day compressive strength ≥60 MPa), and excellent workability (flowability 160-280 mm). It can be widely used in masonry, repair, and 3D printing building materials, demonstrating significant environmental benefits and economic value.