490results about "Control apparatus" patented technology

Methods, apparatuses, and system are described herein for dynamic building material modification. An example method includes receiving sensor data from a sensor device that is associated with a first stage of a plurality of stages that form a process for a construction project and that is associated with a first portion of a building material associated with the first stage. The method includes determining one or more characteristics associated with the first portion of the building material and modifying, via a control system, one or more parameters of the building material from which the first portion of the building material is derived based on the one or more determined characteristics.

The invention relates to the technical field of engineering construction control, in particular to a self-adaptive control method and system for a cement mixing pile, and the method comprises the steps: setting the slurry preparation ratio parameter of a slurry preparation barrel of a feeding hopper according to the working information of the cement mixing pile, and conveying the prepared slurry to a slurry storage barrel of a discharging hopper; collecting a slurry static pressure signal of a slurry storage barrel of the blanking hopper, and monitoring the load dynamic characteristics of a stirring motor of the blanking hopper in real time in the stirring process; the slurry spraying quality parameters of the slurry are analyzed, and when the slurry spraying quality parameters reach the preset feeding standard, the slurry is conveyed to a slurry spraying pipeline to be matched with a cement mixing pile for pile forming work; when the guniting quality parameter exceeds the interval of the feeding standard, a real-time matching error is obtained; and generating a ratio correction instruction to correct the pulping ratio parameters. According to the invention, the dynamic closed-loop control of the pile forming quality of the cement mixing pile under the complex geological condition is effectively realized, and the industry bottleneck that the traditional open-loop proportioning system cannot respond to the slurry state change in real time is broken through.

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

A concrete mortar mixing and stirring system belongs to the technical field of concrete production equipment. Aiming at the problems that an existing stirring system is difficult to accurately judge the mixing uniformity of concrete mortar and the quality is easily influenced due to excessive stirring or insufficient stirring, the system comprises a stirring tank, a vibration signal acquisition unit, a torque monitoring unit and a control unit, stirring blades in a stirring tank are driven by a motor, a vibration signal acquisition unit captures a tank body vibration signal, a torque monitoring unit detects the torque change of the motor, and a control unit decomposes the tank body vibration signal into a frequency domain signal and extracts a preset aggregate collision vibration frequency band energy value to generate a vibration energy sequence; and analyzing the torque change fluctuation intensity to generate a torque variation coefficient sequence, calculating a correlation coefficient sequence of the two, generating an adaptive shutdown threshold by a sliding time window, and cutting off a motor power supply when the correlation coefficient sequence is continuously lower than the threshold for a preset number of times. The device is mainly used for automatic stirring control of concrete mortar, and precise starting and stopping of the stirring process are achieved.

The invention relates to the technical field of intelligent manufacturing, and particularly provides an intelligent ultra-high performance concrete preparation system and a control system thereof.The preparation system comprises an environment adaptability adjusting subsystem used for automatically adjusting preparation operation parameters of equipment according to external environment temperature and humidity changes of an ultra-high performance concrete mixture; the dynamic optimization proportioning subsystem is used for sensing real-time states of viscosity, fluidity and the like of the ultra-high performance concrete mixture in the preparation process through a built-in sensor array; adjusting a water-cement ratio and an aggregate proportion according to real-time states of preparation operation parameters, viscosity, fluidity and the like; and the operation energy efficiency management subsystem is used for adjusting the working mode of the equipment according to the preparation operation parameters. The control system comprises an equipment layout assembly, an equipment communication assembly and a program execution assembly. While the quality of the ultra-high performance concrete is ensured, the preparation efficiency and the environmental adaptability are improved, the energy consumption is reduced, and green and intelligent production of the ultra-high performance concrete is realized.

Apparatus for real time water content and water cement monitoring on a ready-mix concrete truck includes at least one real time moisture measurement module or sensor configured tosense continuous real time moisture measurements of a batch of wet cement loaded into a rotating drum of a ready-mix concrete truck; andprovide signaling containing information about the continuous real time moisture measurements sensed.The apparatus may include either a hatch door of the rotating drum of the ready-mix concrete truck, or the rotating drum of the ready-mix concrete truck, or the ready-mix concrete truck itself.

The invention provides methods and compositions for treating wash water from concrete production with carbon dioxide. The treated wash water can be reused as mix water in fresh batches of concrete.

The invention provides compositions and methods directed to carbonation of a cement mix during mixing. The carbonation may be controlled by one or more feedback mechanisms to adjust carbon dioxide delivery based on one or more characteristics of the mix or other aspects of the mixing operation.

A vehicle includes a chassis, a cab, a drum coupled to the chassis and configured to mix a concrete mixture received therein and selectively dispense the concrete mixture, a chute configured to be operable between a raised position and a lowered position such that, when in the lowered position, the chute is configured to receive the concrete mixture from the drum and provide the concrete mixture to a work location, a sensor configured to detect an operational characteristic and provide signals relating to the operational characteristics, and a control system. The control system is configured to receive the signals relating to the operational characteristic from the sensor, determine, based on signals relating to the operational characteristic, when the vehicle entered an operational state, generate a timestamp indicating when the vehicle entered the operational state, provide the timestamp and the operational state to a fleet management system.

The utility model relates to the technical field of constructional engineering, and discloses structural gap grouting equipment for constructional engineering construction, which comprises a base, a grouting mechanism is arranged at the top of the base, the grouting mechanism comprises a box body and a pump machine, the box body and the pump machine are both fixedly connected with the base, the input end of the pump machine is communicated with the base, and the output end of the pump machine is communicated with the base. The output end of the pump machine communicates with a grouting pipe through a hose, and a moving mechanism is arranged in an inner cavity of the base. By arranging the grouting mechanism, slurry condensation can be avoided, a grouting pipe can be conveniently used for grouting by opening a pump, the device is convenient to move by arranging the moving mechanism, a user can conveniently push the device by pushing a handle, the grouting pipe can be fixed by arranging the adjusting mechanism, and the grouting pipe can be driven to rotate by opening a third motor. The grouting direction can be adjusted conveniently, the height of the grouting pipe can be adjusted by starting the first motor, grouting can be conducted on ceilings, floors and vertical joints, and use is convenient.

The invention relates to the technical field of building construction equipment, in particular to a concrete mixing device with movable blades, which comprises a mixing drum, a mixing shaft, a vibrating screen component and an adjusting mixing component, the mixing shaft is arranged in the mixing drum, and the adjusting mixing component is mounted on the mixing shaft through a hinge structure. The angle and the length of the blade can be adjusted by adjusting the stirring assembly; the vibrating screen component is arranged at the top of the stirring barrel and can pretreat raw materials and remove caked impurities; by adjusting the stirring assembly, stirring dead angles can be eliminated, the concrete stirring uniformity is improved, material segregation is reduced, and the stirring efficiency is improved.

With increasing demands for cost reductions, profitability, tighter construction deadlines and potential liabilities construction companies, raw material suppliers, infrastructure owners, etc. are seeking cost effective systems, method and processes relating to the quality control of said construction materials. Accordingly processes, systems and methods are disclosed relating to concrete and other construction materials such as automatic slump measurement, automatic load measurement, artificial intelligence—machine learning optimization of material mixes, and automatic ingestion of data from unstructured documents to provide data to artificial intelligence—machine learning processes.

The invention relates to the field of flow-state solidified soil, and discloses flow-state solidified soil prepared from construction waste, preparation equipment and a preparation method. The pre-dehydration module is used for controlling the water content of discharged materials to be less than or equal to 14%; the system further comprises a main drying system, an auxiliary material adding device, a water adding device and mixing equipment. The main drying system comprises a high-temperature drying area, a high-temperature buffering area and a heat preservation discharging area which are arranged in the vertical direction, materials treated by the pre-dehydration module are lifted into the high-temperature drying area through lifting equipment, the main drying system comprises at least two sets of material conveying belts, and a plurality of hot air openings are evenly formed in the top of the high-temperature drying area; an inlet of the hot air pipe is communicated with an air cavity heated by a heat source; a recovery channel communicating with the portion, close to the bottom, of the heat preservation discharging area is arranged on one side of the main drying system, and an obliquely-arranged dust baffle is arranged in the recovery channel. According to the invention, the problems of fluctuation of construction waste sources and large change of material moisture content in the prior art are solved.

The invention relates to a concrete mix proportion design system based on industrial control, which belongs to the field of industrial process control, and comprises a central controller for online control of a concrete production process, and the controller integrates the following functional modules: a distributed data acquisition module, a dynamic decision module, a data processing module and a data processing module. The prediction module is used for generating a rheological parameter prediction value based on the raw material characteristic data and the environment parameter data; the closed-loop verification module is used for monitoring actual rheological property parameters in the concrete production process and comparing the actual rheological property parameters with a preset target value to generate performance error indexes; and the grading correction execution module is used for adjusting proportioning parameters and starting a compensation device, and updating the self-learning database based on a correction result so as to optimize the prediction model. According to the method, a closed loop from raw material and environment perception to proportion dynamic adjustment is realized, the concrete rheological property is locked in a target interval, and autonomous decision and accurate control of the whole production process are realized.

The invention provides a rheological parameter regulation and control method in a continuous preparation process of a paste filling material, and relates to the technical field of mine filling processes. According to the method, aiming at the condition that the material level of the stirrer is in a safety interval, pumping pressure-stirrer material level double-rate interval control is adopted, that is, the material level of the stirrer is maintained in a safety range required by a process, and meanwhile, the pumping pressure for conveying a filling material required by underground filling is ensured; after the pumping pressure and the material level of the stirrer are stabilized, aiming at the condition that the paste concentration is not in a set concentration range, paste concentration-stirrer torque double-rate interval control is adopted, and the paste concentration, the stirrer frequency and the stirrer torque are regulated to be stabilized in the set range; the prepared paste material has stable rheological property while having stable concentration. According to the method, a multi-parameter accurate regulation and control technology is adopted, and continuity, automation and intelligentization of the mine filling process are achieved.

The invention belongs to the technical field of the Internet of Things and automatic control, and provides a concrete mixing control system and method based on the Internet of Things, and the system comprises a data collection unit which is used for obtaining key state data in the mixing process; the process parameter library is used for storing index parameter information according to a concrete mark-working condition parameter-process parameter three-level index structure; the intelligent control unit is used for receiving stirring parameter setting information input by a user, querying corresponding index parameter information from a process parameter library according to the stirring parameter setting information, and correcting the index parameter information based on the key state data to obtain to-be-executed parameters; and the execution unit is used for generating a first action execution signal to the corresponding target execution member according to the to-be-executed parameter, so that the target execution member executes a feeding and / or stirring action based on the first action execution signal. The scheme is enabled based on the Internet of Things, and the control precision, the control efficiency and the intelligent degree of the control link are improved.

Computer-implemented method (30) for calculating an estimate of a parameter characterising concrete (e.g. slump) in a drum (101) of a concrete mixing vehicle (100), comprising the steps of: - receiving (31) a drum speed value indicative of a rotational speed of the drum; - receiving (31) a torque value indicative of a torque required to turn the drum; - providing (32) the drum speed value and torque value as input measurements to a relationship estimator Bayesian filter; - calculating (33) at least one vehicle parameter characterising a relationship between drum speed and torque using the relationship estimator Bayesian filter, wherein the relationship estimator Bayesian filter is configured such that the at least one vehicle parameter comprises a hidden state variable of the relationship estimator Bayesian filter; and - calculating (34) an estimated parameter value by providing the at least one vehicle parameter as an input to a parameter calculation model.

Provided in the present invention is a multi-stage steady-flow material mixing system, comprising a mixer, at least one material repository, a material buffer bin and a metering device. An outlet of the metering device is connected to a feeding port of the mixer. A plurality of stirrers, which are continuously mounted in the axial direction of a main shaft, are provided on the main shaft, and each stirrer comprises two transmission bevel gears, main-shaft bevel gears, two transmission cylindrical gears, two large ring gears and two hollow shafts, wherein the two hollow shafts rotate in opposite directions; and the numbers of teeth of the main-shaft bevel gears are different. The mixer is provided with a plurality of stirrers, which rotate in opposite directions, such that the mixing efficiency is improved, and the ineffective material mixing power consumption is reduced. By means of providing different numbers of bevel gears for the differential-speed stirrers on the main shaft, gradient stirring is performed during a material mixing process along a material mixing shaft, thereby improving the material mixing efficiency and uniformity, and facilitating the scaling-up of the apparatus. In addition, by means of arranging the material buffer bin and the metering device before feeding, the feeding stability can be effectively controlled, and the metering precision is improved, and thus the mixing uniformity is also improved.

The utility model discloses a continuous batching device for cement production, which comprises a conveying auger and a plurality of distributing tanks, the distributing tanks are all arranged above the conveying auger, the discharge ends of the distributing tanks are respectively connected with the conveying auger, the outlet end of the conveying auger is provided with a discharge chute, the lower end of the discharge chute extends into a mixing roller, and the lower end of the mixing roller is connected with the conveying auger. The utility model relates to the technical field of cement production, various ingredients are put into the mixing roller through the discharge chute, the driving control assembly is used for realizing rotation control on the mixing roller, various raw materials are thrown up by the lifting plate, and the mixing roller is arranged on the rack along the inclined direction and is connected with the rack through the rotary support member. Therefore, various raw materials are mixed in the material mixing roller, the rotating direction of the reverse material raising assembly is opposite to the rotating direction of the material mixing roller, the impact stirring effect on the various raw materials is further enhanced, and material mixing is more uniform.

The invention discloses crack self-monitoring concrete which comprises a concrete matrix, a differential electrode pair, an acoustic emission sensor array, an embedded temperature and humidity sensor and a multi-scale conductive network, the concrete matrix is concrete prepared from a cementing material, water, a fine aggregate, a water reducing agent, a conductive coarse aggregate, a hybrid fiber system, a nano conductive filler and a polymer interface reinforcing agent; the differential electrode pair comprises a tension area electrode and a compression area electrode; the embedded temperature and humidity sensor and the acoustic emission sensor array are arranged on the surface of concrete or in the concrete; the multi-scale conductive network is distributed in the concrete matrix; the invention further discloses a preparation method of the crack self-monitoring concrete and a crack self-monitoring method. The crack self-monitoring concrete is sensitive in resistance change response during stress, obvious in signal sudden change during fracture, sensitive and reliable in crack monitoring and low in false alarm rate, and can provide early warning time windows of different levels for structure maintenance and emergency decision.

Systems, computer program products, and methods are described herein for quantum material-related characterizations. With reference to an example method, the method interacts one or more quantum states with a target material, generates one or more first data elements based on a measurement associated with the interaction of the one or more quantum states with the target material, and outputs the one or more first data elements. The method further determines a change in at least one quantum state of the one or more quantum states after the interaction with the target material, generates one or more second data elements associated with a characteristic of the target material based on the determined change in the at least one quantum state, and outputs the one or more second data elements.

The invention relates to the field of UHPC stirring machine control, in particular to a constant-power automatic speed regulation control system and method for UHPC stirring, the operation process of a UHPC stirring machine is divided into a plurality of process stages, each stage corresponds to different frequencies, rotating speeds and operation time, accurate control over the rotating speeds is achieved, and on the premise that the power is constant, the speed regulation speed of the UHPC stirring machine can be accurately controlled. The rotating speed is flexibly adjusted to meet the requirements of different stirring stages of UHPC, the mixing quality is guaranteed, efficient utilization of energy is achieved, a constant-speed stirring machine is changed into a variable-speed intelligent stirring machine through multi-section speed control of the frequency converter, energy is saved by 30% or above, and the quality and productivity of UHPC products are remarkably improved through process-level rotating speed matching.

A system includes a processing circuit configured to receive data from a sensor of a vehicle. The data includes one or more operational characteristics including at least one of a first operational characteristic indicating that a concrete mixture is being dispensed via a chute of the vehicle or a second operational characteristic indicating that the concrete mixture has stopped being dispensed via the chute. The processing circuit is also configured to receive a first time stamp responsive to receiving the first operational characteristic. The processing circuit is also configured to provide the first time stamp to at least one of a user device or a remote computing system.

An apparatus (100) for the production of a plaster slurry is described, the apparatus (100) comprising a mixer (102) for mixing at least plaster and water to form a plaster slurry, the mixer (102) comprising an outlet conduit (122), a foam generator (106) for mixing at least air, a foaming agent and water to produce a foam, the foam generator (106) in fluid communication with the mixer (102) via a fluid pathway (116) comprising a foam conduit (117); and a mass flow meter (124), wherein the mass flow meter (124) is configured to measure the density and mass flow rate of the foam within the foam conduit (117) or the plaster slurry within the outlet conduit (122). Additionally, a method of manufacturing a plaster slurry is described.

The invention discloses a composite activator based on phosphogypsum as well as a preparation method and application thereof. The composite activator comprises the following raw materials in parts by weight: 50-70 parts of phosphogypsum, 5-15 parts of an alkaline activator, 10-20 parts of fly ash, 5-10 parts of slag powder, 0.5-1 part of a retarder, 0.5-1 part of a water reducer, 0.3-0.7 part of an organic silicon additive and 1-3 parts of expanded vermiculite. The preparation method has the advantage of high efficiency, and solves the problems that the automation degree is low in the preparation process of an existing phosphogypsum composite exciting agent, the steps of raw material weighing, mixing, water adding, filtering, forming and the like need to depend on manual operation, operation delay or unsmooth flow linkage is likely to occur, and the overall production period is prolonged.

The present invention allows for better control over strength in concrete mixes and mix designs, while minimizing the over-use of cement and promoting sustainability within the industry. Disclosed are novel method and system which employ a diagnostic delta data (DDD) curve, or, in other words, data that displays a curvilinear relationship when plotted on a visual graph, as obtained by considering the differences (e.g., subtractive differences or ratios) as between (i) target slump and target (or maximum) water content, and (ii) slump and water content values as determined using an automated slump monitoring system which measures slump and water content in the concrete mix during delivery. This DDD curve can then be compared to monitored delta slump and delta water content for later or other deliveries, such that adjustments can be made to the concrete mix or mix design, in a manner that encourages avoidance of cement over-dosing or over-prescription.

The invention discloses a gravel aggregate mixing and stirring device. The gravel aggregate mixing and stirring device comprises a horizontal stirring barrel, a stirring regulation and control system, a feeding system and a quality detection and feedback system. Wherein a plurality of layers of stirring blade groups are arranged in the horizontal stirring barrel, a cooling spraying assembly is installed, the stirring regulation and control system controls the rotating speed of a driving motor and starting and stopping of the spraying assembly through a central controller in combination with data of a temperature sensor and a pressure sensor, and the feeding system controls feeding of each storage bin through an electric feeding valve according to a preset proportion. The quality detection and feedback system analyzes and judges the mixing uniformity degree through a discharge port image and feeds back the mixing uniformity degree to the central controller so as to adjust the opening degree of the feeding valve and the rotating speed of the motor, and closed-loop control is formed. The device is mainly used for efficiently mixing and stirring gravel aggregate in constructional engineering, and the aggregate mixing uniformity and the intelligent regulation and control level in the stirring process can be improved.

The invention belongs to the technical field of building construction, and particularly provides a device for cooling concrete coarse aggregate by using cooling water, which comprises an aggregate storage bin, a temperature sensor, a weight sensor and a control unit, the top of the aggregate storage bin is provided with a water inlet and a feed inlet, the bottom of the aggregate storage bin is communicated with a water collecting device, and a water filter screen and a baffle are mounted in the aggregate storage bin; temperature sensors are mounted in the water inlet, the feed port and the water collecting device, weight sensors are mounted on the baffle and in the water collecting device, and the control unit comprises a heat exchange kinetic model and a water content calculation model. The concrete aggregate cooling device can conveniently cool concrete aggregate, can measure aggregate delivery temperature and moisture content data, realizes conversion from passive cooling to predictive intelligent control, effectively controls concrete mold entering temperature, reduces cracks caused by hydration heat, and improves mass concrete construction quality and structural safety. The invention also provides an operation method of the device for cooling the concrete coarse aggregate by using the cooling water.

Globally our environment comprises structures built to perform a meet different requirements including residential, commercial, retail, recreational and service infrastructure. Whilst millions of tons of construction materials are deployed annually the quality control procedures in many instances have not changed to reflect today's demands. Accordingly, it would be beneficial to provide construction companies, engineering companies, infrastructure owners, regulators, etc. with means to automated testing / characterization of construction materials during at least one of its manufacture, deployment in construction and subsequent infrastructure life. It would be further beneficial for such automated methods to exploit self-contained data acquisition / logging modules allowing them to be employed with ease at the different points in the life cycle of a construction material and / or construction project.

The utility model discloses integrated intelligent pulping equipment which comprises a steel frame, a control room is arranged on one side of the steel frame, a water storage part is arranged on the other side of the steel frame, a plurality of pulping machines are installed on the upper portion of the middle of the steel frame, and a pulp storage machine is installed on the lower portion of the middle of the steel frame. A plurality of weighing sensors are arranged among the slurry storage machine, the plurality of slurrying machines and the steel frame; the water inlets of the plurality of pulping machines are respectively connected with the water storage part; ash inlets of the plurality of pulping machines are respectively connected with an on-site ash supply mechanism, and discharge ports of the plurality of pulping machines are connected with a feed port of the pulp storage machine; a first stirring mechanism is arranged in each pulping machine, and a second stirring mechanism is arranged in the pulp storage machine; a control module is arranged in the control chamber and connected with the weighing sensor, the ash supply mechanism, the first stirring mechanism and the second stirring mechanism. According to the utility model, all corollary equipment is integrated into a whole, so that the site construction time is saved, and the pulping efficiency is improved.