194results about "Control apparatus" patented technology

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 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.

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.

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 invention relates to the technical field of intelligent manufacturing control, in particular to an air cooling control method and system for multi-aggregate pre-cooling. According to the scheme provided by the invention, classified and bin-divided independent pre-cooling is performed according to different aggregate particle sizes and pre-cooling characteristics, so that the cooling effect is good, the pre-cooling time is saved, and the working efficiency is improved. Furthermore, through periodic dynamic pre-cooling control and adjustment, in combination with real-time monitoring of the aggregate temperature of each bin and dynamic calculation of required cooling capacity distribution air cooling, synchronization of the cooling process of each aggregate is ensured, and the pre-cooled aggregates with different particle sizes and different characteristics synchronously reach the preset delivery temperature within the target time. Meanwhile, the scheme of the invention has good robustness for interference factors such as initial temperature fluctuation of the aggregate, environment temperature change and the height of the stock bin position, can automatically adjust the distribution strategy, and keeps the stability of the pre-cooling effect.

This invention discloses a curing agent slurry preparation device, a curing agent slurry preparation method, and a fluidized solidified soil production method. In the preparation method, a weight sensor collects the weight change curve in real time during auger feeding, identifies the excess material discharge, and calculates the correction value for the next batch's shutdown advance. Water is injected and preliminary mixing is performed. The slurry is injected into the lower mixing chamber. After adjustment according to the correction value, the next batch is prepared. During the lower mixing, the torque of the second agitator is collected, a rheological curve is fitted, and the homogeneity is determined to be up to standard after the torque fluctuation rate is below a threshold and maintained for a set time, at which point the material is discharged. The upper and lower layers operate alternately in parallel cycles. The fluidized solidified soil production method of this invention includes: excavating a mud pit nearby and mixing it into mud; preparing the curing agent slurry using the above method; and pumping the slurry to the mud pit and mixing it into fluidized solidified soil. This invention employs a "two-step" process to prepare the curing agent and fluidized solidified soil in stages, avoiding long-distance transportation of the finished solidified soil and improving construction efficiency and the stability of the solidified soil quality.

This invention relates to the field of concrete machinery equipment control technology, and discloses an automatic compensation control system and method for the feed flow of a concrete mixer truck. The system includes a data acquisition module, a state calibration module, a signal decoupling module, a parameter calculation module, and a compensation execution module. The system synchronously acquires the weight signal at the fixed end, the transient pressure signal at the moving end, and the absolute phase angle signal; it separates and extracts the low-frequency baseband pressure signal and converts it to obtain a real-time angular domain pulse signal; based on this, it calculates the chute retention index, volume tolerance parameter, and material transfer leakage prevention coefficient; finally, based on the chute retention index superimposed with the compensation speed increment, it uses the volume tolerance parameter for amplitude limiting constraint, and cuts off the feeding action when the leakage prevention coefficient exceeds the limit. By integrating multi-source physical parameters and dynamically and adaptively adjusting the feed speed of the mixing drum, the system effectively solves the problems of material retention and accumulation at the chute and late-stage overflow, and automatically interlocks protection in case of leakage, improving feeding efficiency and safety.

A mixer and a method for the mixing of a cementitious slurry, configured to calculate the volume of the cementitious slurry in the mixer in order to produce an improved mixing process and / or an improved cementitious product. The mixer comprises a sensor to measure a parameter of the slurry in the mixer that is used to calculate the volume of slurry in the mixer.

It is disclosed a system for extruding cementitious material comprising: - at least one pump (30, 34) of cementitious material; - at least one pump (31) of additive for cementitious material; - a mixing chamber (10) comprising a cementitious material inlet (11) and an inlet (12) of additive for cementitious material; and being configured to mix the cementitious material with the additive for cementitious material forming a printing composition; - an extruder (20) for extruding at least one layer of the printing composition; - a control unit; wherein the extruder (20) comprises at least one temperature sensor (T1), and the mixing chamber (10) comprises at least one pressure sensor (P1) at the cementitious material inlet (11), each sensor (T1, P1) being operatively connected to the control unit, which is configured to adjust the amount of additive for cementitious material in the printing composition. It is also disclosed a method for extruding cementitious material and a system for additive manufacturing of a cementitious material-based structure.

The utility model discloses a concrete mixing moisture control system which comprises a bearing frame and a moisture control assembly, a concrete mixer is arranged at the upper end of the bearing frame, the moisture control assembly is located at the upper end of the concrete mixer, the other end of the moisture control assembly is connected to one end of the bearing frame, and one side of the bearing frame is connected with an external connection plate in an attached mode. A feeding hopper is slidably connected to the upper end of the external connecting plate, an embedded ring is fixedly mounted on the surface of one end of the feeding hopper, a hollow hole is formed in the upper surface of the middle section of the feeding hopper, and a microwave moisture sensor is arranged in the hollow hole. According to the utility model, the moisture control accuracy during concrete mixing is improved, errors can be reduced, and the influence on the efficiency caused by manual water adding is reduced by depending on the traditional artificial experience and a regular sampling inspection method.

The invention discloses a forming device for manufacturing cement products by using building waste, and relates to the technical field of cement product forming, the forming device comprises a placing frame, a hydraulic rod is mounted at the top end of the placing frame, a male die is fixedly connected to the output end of the hydraulic rod, a female die is mounted on the side wall of the placing frame, and the female die is connected with the male die in an embedded manner; the cement product quality control device has the advantages that a mixture can be subjected to self-inspection, and the mixture produced by a factory is not completely considered, so that the specific quality of the mixture can be determined, the quality of a cement product can be controlled, meanwhile, an abnormal state can be warned, and the cement product quality control device is suitable for popularization and application. The device can automatically give an alarm, so that the device can be adjusted in time, the forming process is not easy to break down, the aggravation of equipment loss is avoided, automatic humidification adjustment can be performed when a mixture is too dry, the filling property, compactness and demolding property of the mixture can be changed, and the product quality and the equipment stability are ensured.

The invention discloses a cement batching station material interruption control method and system, and the method comprises the steps: obtaining a feedback value fed back by each batching scale in a cement batching station, determining whether the cement batching station has potential material interruption or not according to the feedback value and a preset ratio value, and when the cement batching station has potential material interruption, determining whether the cement batching station has potential material interruption or not. The vibrating control unit drives the vibrating motor to vibrate the cone part of the stock bin in the cement batching station, so that the problem of material breakage of the system is solved, vibration effect feedback is monitored in real time after vibrating, and vibrating parameters are dynamically adjusted, so that the vibrating effect is optimized, and the working efficiency is improved. The system solves the technical problems of feedback lagging, fixed rapping parameters and low judgment precision of traditional material breaking control, is suitable for intelligent material breaking control in a cement production batching link, and has important industrial application value.

The utility model relates to the technical field of building construction, and discloses concrete raw material stirring equipment for building construction, which comprises a lower tank body, an upper tank body, a connecting mechanism, a discharging mechanism and a stirring mechanism, the upper end of the lower tank body is provided with the connecting mechanism, the connecting mechanism comprises four clamping rods, the front end of the lower tank body is provided with the discharging mechanism, and the lower end of the lower tank body is provided with the stirring mechanism. The discharging mechanism comprises a threaded rod, a stirring mechanism is arranged in the upper tank body, the stirring mechanism comprises two separation discs and three planet wheels, and a protection shell is fixedly connected to the center of the upper end of the upper tank body. According to the stirring device disclosed by the utility model, a sun gear is driven to rotate by a servo motor in the stirring mechanism, and a fixed-point stirring rod and a moving stirring rod are used for stirring by utilizing meshed connection among a planet gear, the sun gear and a gear ring, so that the stirring capacity is enhanced; and the connecting blocks are slidably connected with the fixing blocks, so that the tank body is conveniently disassembled for cleaning.

A method and system for detecting and regulating workability of concrete in a concrete mixer truck are disclosed in the present disclosure. A rheological shear device and a temperature testing device are installed inside a drum of the concrete mixer truck. Rotation of the drum is used to drive a shear rod to shear in the concrete, which can directly test rheological properties of the concrete, and obtain work properties through a relationship between rheological properties and workability. A test is made before a concrete mixer truck leaves a factory. Rheological properties of the concrete are continuously measured during transportation, and change degree and change trend of the rheological properties are evaluated. An evaluation result is compared with a limiting value. When the limiting value is reached or exceeded, an alarm is immediately triggered and regulation of supplement admixtures is automatically performed.

The invention discloses high-entropy eutectic ceramic powder material preparation equipment and a control system thereof, and relates to the technical field of ceramic powder preparation. The feeding control module is used for executing metering input of multi-component raw materials through a feeding assembly, obtaining raw material weight data to obtain an initial weight set, identifying raw material batch information to obtain an initial information set, enabling the initial information set to correspond to the initial weight set, setting a central dynamic control system and obtaining initial mixing information through the central dynamic control system; through linkage of RFID batch identification and the intelligent metering feeding machine, the purity and density data of the raw materials are obtained in real time, when batch parameters of the raw materials deviate from preset values, the system automatically performs dynamic weight compensation and purity conversion, it is ensured that actual effective components of the multi-component raw materials conform to the preset molar ratio, and the quality of the multi-component raw materials is improved. And the component segregation risk caused by raw material fluctuation is reduced from the source.

This invention discloses an intelligent design and preparation method for low-cement-content sprayable engineering cement-based low-carbon composite materials, belonging to the field of composite material mix design. The method includes: constructing a multi-objective genetic optimization intelligent framework integrating raw material performance and carbon emission data to collaboratively optimize mechanical properties, workability, and low-carbon targets during the design phase, achieving precise pre-control of carbon emissions. A synergistic reinforcement design using recycled PE fiber networks and multi-microporous slurry is employed, replacing cement and natural aggregates with a large amount of recycled sand, recycled micropowder, and fly ash, reducing cement content to 210-300 parts. While ensuring rapid hardening, high toughness, and good sprayable construction performance, the material's implicit carbon emissions are significantly reduced. The resulting composite material achieves a 28-day compressive strength of 50-65 MPa, with net carbon emissions approaching zero, making it suitable for green building and rapid engineering repair applications.

The invention discloses a system and method for generating oriented fiber ultra-high performance concrete, and relates to the technical field of concrete.The system comprises a concrete generation module, a central control module, a pumping pipe, an electromagnetic orientation device and a first driving motor; the central control module generates a first working parameter, a second working parameter and a third working parameter in response to a concrete preparation requirement, and controls the concrete generation module to operate based on the first working parameter to process at least three materials stored in the concrete generation module; and the central control module is further used for controlling the electromagnetic orientation device to operate based on a second working parameter when the mixture in the concrete generation module meets the concrete output condition, orienting the mixture meeting the concrete output condition, controlling the first driving motor to operate based on a third working parameter, and driving the pumping pipe to output the orientated mixture. The steel fibers in the concrete can be oriented, and the fracture resistance and the direct tensile property of the concrete member are improved.

The invention relates to a device and a method for foaming building materials with CO₂ 2 for the production of a building component and / or building insulation. The device comprises a conveying device (2) and, downstream, a construction material line (3) in which one or more injection nozzles (4) are arranged to inject liquid CO into the stream of construction material. 2 to inject. The pressure level in the building material line (3) is maintained such that the injected CO₂ 2 remains in its liquid state. The building material as well as the CO 2 downstream they enter a mixing device (9) and then at least one or more decompression pumps (11), which ensure controlled decompression of building material and liquid CO₂ 2without significant cooling and segregation. Downstream, a dispensing device (19) is arranged, which is configured to dispense the material for the production of a component and / or building insulation. Depending on the addition of CO 2 This allows the layers within a component to be modified with respect to their density and thus their properties in terms of load-bearing capacity, heat transfer, and mass. If the amount of CQ is kept constant during the process, 2 injected, which the building material in gaseous CO 2 The material that can be absorbed in the suspension forms a building material foam, for example, in the form of building insulation. The invention further comprises a corresponding method for manufacturing components using such a method.

A quality control system of the invention allows controlling, image analysis and continuous visual monitoring of aggregates and sand processing, and physical properties and workability of fresh concrete and concrete mixes, which are manufactured from the aggregates and sand, and then transported to construction sites and used there for construction purposes. The system of the invention comprises visual monitoring devices (100), stationary or mobile, installed or remotely used at quarries, concrete plants, in concrete trucks and at the construction sites. The method for continuous visual monitoring of the aggregates, sand and concrete is based on image or video processing and analysis of the aggregates and sand, fresh concrete, concrete mixes or precast concrete, the concrete slump levels, segregation and bleeding, homogeneity of the mixture and consistency.

The utility model discloses a cement paste stirrer, which belongs to the technical field of stirring equipment and comprises a rack, a water storage bin and a cement storage bin are arranged at the top of the rack, a water metering scale is connected below the water storage bin and connected with a stirring barrel through a first feeding pipeline, and the cement storage bin is connected with the stirring barrel through a second feeding pipeline. A cement metering scale is connected to the lower portion of the cement storage bin and connected with the stirring barrel through a second feeding pipeline, a shock absorber is arranged on the second feeding pipeline, and a double-valve mechanism is arranged in the cement metering scale. The cement paste stirrer solves the technical problems that an existing cement paste stirrer is likely to have the material residue phenomenon, experimental errors are caused by vibration, and then the material weighing precision is affected.

A system features a combination of an acoustic sensor and a communication transmitter. The acoustic sensor is arranged on a rotating container or drum having a slurry contained therein, including concrete, and configured to provide an acoustic signal to sense an acoustic signal containing information about a characteristic of the slurry, and provide acoustic sensor signaling containing information about the acoustic signal sensed. The communication transmitter is arranged on the rotating container or drum, and configured to receive the acoustic signal, and provide the acoustic signal received from the rotating container or drum for further processing.

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.

The invention discloses a method and system for removing bubbles in cement paste, electronic equipment and a storage medium, and relates to the technical field of cement paste bubble removal. Whether bubbles exist in the cement slurry in the slurry mixing tank or not is judged according to a cement slurry density measurement value obtained through measurement of the electronic densimeter, or whether bubbles exist in the cement slurry in the slurry mixing tank or not is determined in an artificial visual judgment mode, and a judgment result is obtained; when the judgment result is yes, an ultrasonic generator arranged on the slurry mixing tank is controlled to emit ultrasonic waves, and bubbles in the cement slurry are destroyed through the emitted ultrasonic waves. According to the invention, bubbles are removed through a physical means, namely ultrasonic waves, so that the purpose of replacing a defoaming agent is achieved, the bubble removal effect is good, and the method is suitable for cement paste for oil well cementation.

The utility model discloses a feeding device for building construction, which comprises a storage tank, a stirring device is arranged on the inner side of the storage tank, the bottom end of the storage tank is connected with a connecting device, the connecting device comprises an output pipe, a communicating pipe, a fixed pipe, a connecting pipe, a matching sleeve, an inserting frame, a matching groove, a matching plate, a sealing sleeve and an inserting groove, and the fixed pipe is connected with the communicating pipe and the storage tank. The connecting pipe is connected with the output pipe and the communicating pipe, the inserting frame is connected to one side of the matching plate, the matching groove is formed in the matching sleeve, the sealing sleeve is installed in the fixing pipe, the inserting groove is formed in the outer side of the connecting pipe, a clamping mechanism is arranged on the outer side of the fixing pipe, and the clamping mechanism comprises a clamping plate, a clamping hole, a clamping groove, a clamping sleeve, a cylindrical block, a clamping block, a linkage spring, a round rod and a round plate. The clamping hole is formed in one end of the clamping groove, the cylindrical block is installed on the outer side of the fixing pipe, the linkage spring is connected with the clamping block, and the round plate is arranged on the round rod. The stirring device has the advantages that the stirring function is achieved, rapid connection of pipelines is facilitated, and the structure is stable.

The invention belongs to the technical field of constructional engineering, and discloses an integrated production system and method for preparing multi-class dry powder building materials from building solid waste. The solid waste drying part is mounted on one side of the frame body part and used for feeding, drying, dedusting and micro-powder recycling of wet and mixed building solid wastes; the main material conveying part is used for storing and supplying a large amount of gel materials required by production; the metering and discharging part is used for accurately conveying and intensively weighing the raw materials from different sources; and the mixing and discharging part is used for strongly mixing the raw materials without gravity, quickly distributing and discharging the mixed finished products, finally finely bagging the produced high-added-value products, and directly loading the produced ordinary mortar into a truck. The problems that in the prior art, raw material treatment is extensive, the dust removal and grading capacity is weak, the flexibility of a production line is insufficient, residues and metering errors exist in trace additive feeding, and a resource closed-loop mechanism is lacked can be solved.

The application relates to the technical field of general chemical or physical laboratory equipment, and discloses an automatic experiment system for special mortar formula research and development. The system monitors the operation parameters of a stirring unit through a central controller, compares a real-time process fingerprint with a failure fingerprint mode library after entering a stable stage in a mixing process, and adaptively adjusts a judgment condition according to a baseline value of an initial state of the system. Therefore, whether to terminate the process in advance before the mixing is completed is decided. The application changes an experiment process from a rigid time sequence into a dynamic process based on real-time feedback and resource allocation of process evolution information, so that invalid investment of subsequent time and resources caused by waiting and processing samples that are destined to be unqualified in the initial mixing stage is avoided.

An integrated grouting equipment for automatically preparing slurry comprises a material storage module, a cement automatic control batching and mixing station module and a high-pressure jet grouting background control module, the material storage module comprises a cement tank and an auger conveying channel, the cement automatic control batching and mixing station module comprises a first module frame, a water storage bin, an additive bin, a pre-mixing stirring barrel, a weighing system, a pneumatic valve switch, a secondary mixing stirring barrel and an automatic intelligent control system arranged on the first module frame, and the high-pressure jet grouting background control module comprises a second module frame and an automatic stirring slurry storage barrel, a high-pressure grouting pump and a high-pressure slurry output pipeline arranged on the second module frame. In the utility model, the equipment on each module can be connected in advance, then the module is transported to the construction site, and the connection between the modules is carried out, so that the rapid assembly of the grouting equipment is realized, and the construction efficiency is effectively improved.

The present invention relates to a method for manufacturing a carbonated binder using carbon dioxide for treating captured carbon dioxide, a deep cement mixing method for improving soft ground using same, a carbonation reaction apparatus used in the method for manufacturing a carbonated binder, and a carbon dioxide capture device using the carbonation reaction apparatus. The method for manufacturing the carbonated binder comprises: (a) mixing a powdered binder with mixing water to generate a liquid mixed binder; and (b) reacting the generated liquid mixed binder with carbon dioxide by means of a carbonation reaction apparatus to produce a carbonated binder, wherein the carbonation reaction apparatus may be configured to operate in a continuous flow manner in which the liquid mixed binder is sequentially introduced, reacted with carbon dioxide, and discharged.

The application discloses a kind of feed blocking device and its control method, the device includes base, pivot, blocking piece, be equipped with first limit and second limit of rotary flange, including drive mechanism and first limit piece of limit mechanism, detection unit and control unit of the position of detecting rotary flange;When rotary flange is at upper locking point, first limit piece cooperates with first limit to limit rotary flange, so that blocking piece is lifted and ash inlet is opened;When rotary flange is at lower locking point, first limit piece cooperates with second limit to limit rotary flange, so that blocking piece falls and ash inlet is closed;When rotary flange is between upper locking point and lower locking point, first limit piece does not cooperate with first limit and second limit, so that blocking piece is automatically back under the action of gravity.Far from damaging connecting pipe, the application will not be burned due to locked-rotor of drive mechanism, and blocking rod will not be bent and deformed, which greatly improves safety.