2251results about "Mixing operation 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 provides a flow-state solidified soil mixing construction method based on automatic adjustment of proportioning parameters, belongs to the technical field of flow-state solidified soil, and realizes intelligent control of a flow-state solidified soil mixing process by establishing a three-section type precise screening and stirring system and a high-precision automatic control system. According to the method, firstly, target performance parameters are input, and an optimal matching scheme is automatically selected through a multi-target optimization algorithm; starting an original soil treatment unit to perform soil material dispersion treatment and measuring the physical characteristics of the soil material; adding the raw materials according to the accurate measurement, and fully mixing; when it is detected that the performance of the mixture deviates from a target value, the system automatically triggers a parameter compensation mechanism for adjustment; and meanwhile, a material ratio fluctuation early warning system is established, so that uneven mixture quality caused by starting and stopping of equipment or material conveying delay is avoided, and the technical problem that in the prior art, matching parameters are difficult to accurately regulate and control in real time in the mixing process of the flow-state solidified soil is solved.

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.

The invention discloses a self-healing concrete intelligent preparation method and system based on a dynamic optimization algorithm. The method comprises the following steps: S1, feeding: feeding materials to a premixing module by a raw material bin and a repairing agent carrier storage bin; s2, premixing: monitoring the water content of the aggregate fed into the raw material bin in real time by a premixing module, and dynamically adjusting the rotating speed of the premixing module through the water content; s3, gradient stirring: after premixing, feeding the materials into a gradient stirring module, and sequentially stirring; s31, firstly entering a low-speed paddle for stirring, monitoring the stirring resistance moment and the slurry viscosity distribution in real time, and dynamically adjusting the rotating speed of the paddle according to the torque-viscosity relationship; s32, performing ultrasonic homogenization on the materials subjected to low-speed stirring, monitoring the dispersity of each substance in low-speed stirring in real time through an identification camera, calculating the concentration gradient, monitoring the particle size distribution of a carrier at a discharge port of an ultrasonic homogenizer to obtain the particle size of a target aggregate, and dynamically adjusting the ultrasonic frequency according to the particle size of the target aggregate to obtain the target aggregate. And dynamically adjusting ultrasonic power and action time according to the concentration gradient.

The utility model belongs to the technical field of concrete stirring equipment, and discloses a concrete stirring and mixing device with an automatic additive adding function, which comprises a rack and a stirring assembly arranged on the rack, the stirring assembly comprises a material storage barrel arranged on the rack; one end of the driving shaft is rotationally connected with the storage barrel, and the free end of the driving shaft penetrates through the top of the storage barrel; the crushing blade is arranged in the storage barrel, and the crushing blade is coaxially and fixedly connected with the driving shaft; the output end of the driving motor is fixedly connected with the driving shaft; according to the scheme, the driving motor drives the driving shaft and the crushing blades to rotate in the material storage barrel, and the shearing force generated by the blades of the crushing blades is utilized to crush and scatter agglomerated dry powder additives, so that the situation that a part of areas are not coagulated for a long time or the overall strength deviation is too large due to uneven dispersion of the retarders agglomerated with damp is avoided; the utility model solves the problem that the concrete additive is affected with damp and agglomerated.

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.

The invention provides a concrete production system which comprises a feeding device, a material distributing device, a concrete stirring device and a control device and is characterized in that the concrete stirring device comprises three stirring assemblies, the material distributing device is used for sequentially conveying materials conveyed by the feeding device to each stirring assembly, and the control device is used for controlling the material distributing device to control the stirring assemblies. The control device comprises a concrete process control terminal, a data transceiving network, a server, a remote control terminal and a monitoring device, and the monitoring device is used for detecting the working states of the feeding device and the concrete stirring device; the data transmit-receive network, the server, the remote control terminal and the monitoring device are respectively in information connection with the process control terminal. By arranging the three stirring assemblies, concrete can be stirred in a time-sharing mode, the problem that a system is shut down during discharging and cleaning of a traditional single stirring tank is solved, and the production efficiency of the concrete is greatly improved.

The present invention relates to the technical field of mortar conveying, and in particular to a mortar conveying system, which includes a feed hopper, a feeding pipe connected to the bottom of the feed hopper, and a bracket fixed on the surface of the feed hopper. The system further includes: a auger rotatably connected to the inner wall of the feeding pipe, a support block fixed to the top of the bracket and a support mechanism installed thereon, and a servo motor fixed to the top of the support block. The present invention facilitates the disassembly and cleaning of the conveying pipe by the staff. In addition, this conveying system can not only break and stir the agglomerated mortar, but also reduce the blockage inside the discharge pipe, solving the problem that after the use of some current mortar conveyors, it is inconvenient for the staff to clean the conveying pipe and the auger, thus easily affecting the subsequent conveying efficiency, and solving the problem that when some current mortar conveyors are in use, the agglomerated mortar in the feed hopper that is not transported away in time easily affects the smoothness of the subsequent conveying operation.

The invention relates to the technical field of concrete preparation, in particular to a preparation device and a preparation process of carbon-sequestration premixed concrete, and solves the problems that in the existing preparation process of the carbon-sequestration premixed concrete, carbon dioxide gas is inconvenient to inject into the concrete, so that a pipeline is easily blocked, and the production efficiency is high. And concentration control during carbon self-sequestration of the carbon dioxide gas is inconvenient. The device comprises a fixed carbon preparation mechanism and a split-flow carbon injection mechanism, a stirring driving mechanism is installed on the inner side of the middle of the fixed carbon preparation mechanism, a sealing pressure maintaining mechanism is installed at the upper end of the fixed carbon preparation mechanism, and the split-flow carbon injection mechanism is installed on the inner side of the bottom end of the fixed carbon preparation mechanism; the split-flow carbon injection mechanism comprises a conical separation strip; and the conical separation strip is fixedly connected with the bottom end of the stirring and material placing shell. Carbon dioxide gas is conveyed in a pressurized mode, the pipeline can be effectively prevented from being blocked by concrete, the concentration of the carbon dioxide gas can be conveniently monitored and adjusted, and high efficiency of carbon sequestration is kept.

The invention discloses spatial free distribution micro-scale cage-shaped unit interlocking confined concrete and a preparation method thereof.The preparation method of the spatial free distribution micro-scale cage-shaped unit interlocking confined concrete comprises the steps that a concrete premix, a pouring formwork and a plurality of micro-scale cage-shaped units are prepared; the concrete premix and the multiple micro-scale cage-shaped constraint units are mixed, and pouring is completed in the formwork; and curing and hardening the concrete premix in the pouring template and a concrete reinforcing framework formed by interlocking the plurality of cage-shaped constraint units to obtain the spatial free distribution micro-scale cage-shaped unit interlocking constraint concrete. The cage-shaped constraint units with multiple concrete component scales are doped in the concrete premix, the spatial free distribution micro-scale cage-shaped unit interlocking constraint concrete is prepared, and the mechanical property of a concrete member can be improved.

The invention discloses a co-extrusion-molded microporous polyphenyl particle phase change energy storage gradient water stop thermal insulation structural slab, the thermal insulation structural slab sequentially comprises an EVA water stop layer, a strength layer and a thermal insulation layer from outside to inside, the EVA water stop layer is prepared by doping EVA rubber powder and fly ash into cement; the strength layer is made of high-strength cement; the heat preservation layer is made of microporous polystyrene foaming particles, microcapsules containing phase change materials and foaming cement. Through innovative design and material selection, the heat preservation performance of the gradient water stop heat preservation layer structural slab is gradually reduced from inside to outside so as to meet the requirements of different environment temperatures, the highest waterproof performance is provided on the outermost layer of the structure, and the heat preservation performance is gradually reduced inwards so as to reduce condensation of internal moisture; and an efficient, environment-friendly and economical solution is provided for the building industry. The invention solves the problem of balance between thermal insulation performance and fireproof performance of the traditional building thermal insulation material, and improves the problems of insufficient waterproof performance, limited heat energy storage capacity and the like of the traditional material.

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.

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 the technical field of concrete prefabricated part preparation, and discloses assembly type concrete prefabricated part preparation equipment and technology.The assembly type concrete prefabricated part preparation equipment comprises a vertical shaft planetary mixer, a buffer pipe is fixedly connected to one feeding port, and two partition plates are fixedly connected to the inner wall of the buffer pipe in the axial direction; a rotating plate is jointly and rotationally connected between the two partition plates, a plurality of rotating rings are concentrically arranged on the outer side of the rotating plate at equal intervals, and a plurality of push plates are jointly and fixedly connected between every two adjacent rotating rings and between the rotating plate and the adjacent rotating rings. The push plate drives the raw materials to move in the annular channel and is matched with the fixing rod to scatter the caked raw materials, through vibration and rotation of the sieve plate, the raw materials are evenly spread on the sieve plate and further scattered, then the raw materials are scattered into the stirring cylinder, the raw materials are effectively mixed with slurry, and extrusion damage to aggregate due to high-speed rotation of the stirring arm is avoided.

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 relates to the technical field of building construction, in particular to a cement material stirring device for building decoration engineering construction, a screening mechanism in the cement material stirring device drives an inclined box and an internal inclined screen to continuously move up and down in a reciprocating manner through a transmission assembly, and dynamic screening of input cement is achieved; qualified powder rapidly penetrates through the screen and enters a subsequent process through the vertical pipe, intercepted agglomerates automatically roll down to a lower outlet under the action of vibration and inclination, the agglomerated cement materials are screened, meanwhile, the smashing mechanism ingeniously obtains power from a driving motor through a rotating shaft, and the smashing efficiency is improved. Crushing cutters distributed on a first rotating rod and a second rotating rod in a staggered mode in the box body are driven by a bevel gear and a gear set to rotate oppositely at a high speed, cakes falling from a lower outlet are thoroughly cut and scattered, the cakes are reduced into fine powder and then collected into a stirring barrel, and the efficiency and quality of raw material preparation before stirring are greatly improved; and the problem of non-uniform slurry caused by cement caking and core hardening is fundamentally avoided.

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.

The invention relates to a method for calculating optimised concrete formulations and providing process data (PD1; PD2) for controlling system components (214, 215, 216; 221, 222) for the purpose of specifically processing raw materials (RA, RB,...) to form solid fractions (FK1, FK2,...) to be prepared and / or producing concrete (BTN) or concrete products by means of the prepared solid fractions (FK1, FK2,...) and further already prefabricated solid fractions (FK#), wherein the method (100) is designed for the weighted combination of l+m grading curves (SLV1... SLV3; SLP1... SLP8) to form a result grading curve (SLE), wherein the grading curves each represent a grain size distribution of one of the solid fractions (FK1, FK2, FK3...) given or not given, but still to be prepared by processing raw materials (RA, RB...); and wherein the method (100) is designed to match the result grading curves to a predefinable sample grading curve (SLM) which represents a grain size distribution with maximum packing density, as a result of which the optimised result grading curve (SLE) describes an ideal combination of all l+m solid fractions (FK1, FK2,... FK#) and the process data thereof for a sufficiently maximum packing density.

The invention relates to the technical field of concrete construction, in particular to a green low-carbon concrete construction operation device which comprises a vehicle body, a stirring tank is fixedly mounted on one side of the upper end of the vehicle body, a feeding cylinder is fixedly mounted on one side of the upper end of the stirring tank, and a feeding hopper is fixedly mounted at the upper end of the feeding cylinder. A first motor is started to drive a crushing roller and a rotating roller to rotate, the crushing roller crushes stones, the crushed stones fall at the upper end of an inclined plate, the rotating roller evenly throws the crushed stones to the upper end of a sieve plate, the stones are filtered, and the matched stone fragments fall into a stirring tank and are mixed with additives such as cement and sand to form concrete. Then a valve on the discharging pipe is opened, the vehicle body is pulled towards the concrete outlet side, the pressing cylinder rotates while moving up and down on the concrete, the surface of the concrete is vibrated to be flat, the concrete surface is leveled through the patter and the leveling plate, secondary leveling of workers is not needed, the labor intensity is reduced, and the efficiency is improved.

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.

This invention discloses a continuous, high-efficiency, automatic dry-mixed mortar preparation equipment, relating to the field of mortar preparation technology. It includes a sand drying device and a feeding hopper. A sand particle screen is installed on one side of the sand drying device, and a screw conveyor connects the sand drying device and the sand particle screen. The dried sand enters the sand particle screen via the screw conveyor. Under the action of a first and second uniform material assembly, the mortar on the first conveyor belt consists of coarse sand, fine sand, cement, and filler laid out in sequence. Because the fine sand can fill the gaps in the coarse sand, reducing the relative movement space of the coarse sand and increasing internal friction, the cement and filler can be positioned on top of the coarse and fine sand. The dry-mixed mortar is stacked in a layered structure in a packaging bag using an anti-segregation telescopic tube, reducing stratification during bagging and transportation after mortar preparation, and reducing the mixing time between the mortar and water in the later stages.

The invention relates to the technical field of powder feeding, and discloses a powder feeding device for a concrete mixing plant, which comprises an outer cylinder, a discharging hopper is arranged at the bottom, a top cover is arranged at the top, a feeding structure is arranged on the top cover, a bag opening connecting structure is arranged at an inlet of the feeding structure, and a crushing and screening structure is slidably arranged in the outer cylinder. The crushing and screening structure comprises a screening module, a crushing module and a vibration dust removal module; the vibration dust removal module comprises a ratchet wheel rod and a supporting rod which are fixed to the outer cylinder, ratchets are arranged at the bottom of the ratchet wheel rod, the screening module is provided with a screen, one end of a rotating shaft of the screen is movably connected to the ratchet wheel rod in a sleeving mode and provided with a transmission ratchet wheel meshed with the ratchet wheel rod, and the other end of the rotating shaft of the screen is movably connected to the supporting rod in a sleeving mode and provided with a supporting plate; and a supporting spring is arranged between the supporting plate and the supporting rod. Compared with the prior art, the dust removal device has the advantage that residual powder is shaken off through vibration generated by the vibration dust removal module.

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.

To provide a hydraulic composition that can be applied, e.g., to a small and medium-scale anchor element fixing work and an extensive crack repair work, that makes it possible to always prepare a curable paste of the same quality by uniformly mixing and kneading the hydraulic composition and water in a short period of time by a simple method, and that can be used to fix an anchor element in a drilling hole or repair a wide range of cracks using a hardening paste, as well as to provide a curable paste construction method using the same.SOLUTION: A hydraulic composition C1 comprises a hydraulic component containing Portland cement, alumina cement and a quick-setting agent; a viscosity regulator; a coagulation regulator; and a fine aggregate. A curable paste application method comprises a step of absorbing water W into the water-curable composition C1 to agglomerate it; a step of putting the agglomerate Ca into the cylinder cartridge 300; a step of discharging curable paste C2 which is a mixture of curable composition C1 and water W to the construction site; and a step of curing the curable paste C2.SELECTED DRAWING: Figure 1

The invention discloses a high-efficiency filtering and dedusting mixed mortar integrated production system, and relates to the technical field of mixed mortar production, the high-efficiency filtering and dedusting mixed mortar integrated production system comprises an intelligent pre-separation filtering unit, and the intelligent pre-separation filtering unit is used for carrying out primary pre-separation on large-particle impurities and solid particles in raw materials; a double-layer rotational flow filter element with a self-cleaning function is arranged in the intelligent pre-separation filter unit, the outer layer of the double-layer rotational flow filter element is a wear-resistant ceramic coating, and the inner layer of the double-layer rotational flow filter element is made of an elastic polymer material. By designing the double-layer self-cleaning rotational flow filter element, the differential pressure self-adaptive filter screen dust removal unit and the online regenerated energy recovery device, the functions of full-process efficient dust removal and energy recovery are realized, the problems of large traditional dust removal resistance and energy waste are solved, the pressure difference is effectively reduced, the energy consumption is reduced, and the continuous online operation time is prolonged.

The invention relates to the technical field of production of fused zirconia corundum bricks, in particular to a homogenizing and mixing device for fused zirconia corundum bricks, which comprises a mixing box, a hopper, a connecting piece and a mixing cylinder, a feed port and an opening are respectively formed in opposite sides of the outer wall of the mixing cylinder, and a filter screen is mounted on the opening. According to the homogenizing and mixing device for the fused zirconia corundum bricks, raw materials are stirred in all directions through a mixing barrel on a connecting piece, meanwhile, a second driving source drives a supporting frame to rotate around a connecting plate in the axial direction, the connecting piece slides in a center-edge-center reciprocating mode along a curve-shaped limiting sliding rail, and the raw materials are uniformly mixed; the stirring part circulates between the central area of the mixing cavity and the edge area of the inner wall, so that the mixing area of raw materials is increased, and stirring dead angles are avoided.

The invention discloses a full-automatic grouting system and method for monitoring underground grouting parameters in real time. The full-automatic grouting system comprises an integrated platform, feeding equipment, pulping equipment and control equipment are arranged above the integrated platform, and a crawler belt is installed below the integrated platform; the feeding equipment comprises a pneumatic spiral feeding machine and a pneumatic quantitative water tank; the pulping equipment comprises an electric high-speed vortex pulping machine, a pneumatic low-speed stirrer, a pneumatic grouting pump and a grouting pipeline which are connected in sequence, and the electric high-speed vortex pulping machine is connected with a pneumatic spiral feeding machine and a pneumatic quantitative water tank respectively; the control device comprises a power distribution cabinet and an explosion-proof PLC control cabinet. According to the system, automation, continuity, integration and high integration of the whole pulping process are achieved through the PLC control system, the water cement ratio can be accurately controlled, the slurry preparation and grouting conditions can be monitored in real time, technological linkage among pulping, slurry containing and slurry sucking is tight, and it is guaranteed that grouting operation can be continuously and efficiently conducted in site construction.

The utility model relates to the related technical field of building construction, in particular to a building gravel material uniform stirring device which comprises a stirring box, a discharging port is formed in the bottom of the stirring box, a feeding port is formed in the top of the stirring box, and a rectangular plate is arranged at the center of the top of the feeding port. Under the cooperative action of the discharging port, the feeding port, the rectangular plate, the L-shaped supporting frame, the gear box, the valve and the crushing mechanism, a user can crush large-size gravel while adding the gravel into the stirring box through the feeding port, so that the size of the gravel is uniform, the situation that the gravel mixing effect is poor is avoided, and the service life of the gravel is prolonged. The problems that an existing building gravel material uniform stirring device does not have the function of crushing large-size gravel, so that part of the gravel cannot be fully mixed with concrete due to the large size, and the mixing effect is poor when the stirring device stirs and mixes the gravel material are solved.

The utility model relates to the technical field of concrete batching, and provides a concrete batching device which comprises a support, and a first hopper is arranged on the support. Pebbles discharged from the first hopper are conveyed through the conveying frame, sand and cement discharged from the second hopper and the third hopper are conveyed through the conveying pipe, dust can be effectively prevented through the conveying pipe, dust generated by cement falling is prevented from being dispersed into the environment, a shielding structure is adopted, the cement is in a receding state when being put into the third hopper, and the cement is prevented from falling into the environment. After cement feeding is completed, a structure in the shielding structure operates, a shielding plate moves to cover a third hopper, the dust shielding effect can be achieved in the discharging process, cement dust is further prevented from being dispersed into the environment, the environment cleanliness is guaranteed, a first limiting assembly and a second limiting assembly achieve the limiting and buffering effects when the shielding plate moves, and the cement feeding efficiency is improved. The cleaning assembly cleans the inner wall of the upper end of the third hopper, and smooth movement of the baffle plate can be guaranteed.