140results about "Ingredients proportioning apparatus" patented technology

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 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 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 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 relates to a method for layer-by-layer deposition of concrete, in particular of concrete using a rapidly hydrating cementitious binder.A first flow and a second flow are supplied to a mixer to obtain extrudable concrete. The pH of the second flow is larger than the pH of the first flow. The first flow comprises a retarded cementitious binder obtainable by mixing a cementitious binder with a retarder comprising boron and sodium. The retarder allows to increase the setting time of the cementitious binder and allows to influence the pH of the first flow in such a way that the pH of the first flow is lower than the pH of a flow equal to the first flow but comprising the cementitious binder instead of the retarded cementitious binder. The second flow comprises a carrier material. The volume fraction of the carrier material is at least 20 vol % of the second flow.The present invention also relates to a bicomponent cementitious binder composition comprising a first component comprising rapidly hydrating cementitious material.

The invention relates to an ecological recycled coarse aggregate pervious concrete mix proportion design method. The method comprises the following steps: S1, recycled coarse aggregate preparation and performance test; s2, determining the void ratio of the mixed coarse aggregate under the compaction condition; s3, determining the volume ratio of the mixed coarse aggregate in 1 m < 3 > of the pervious concrete through the regulatory factor; s4, determining the use amount of a cementing material; s5, determining the use amount of the cement and the mineral admixture; s6, determining the use amount of the recycled coarse aggregate and the natural coarse aggregate; s7, determining the total water consumption; and S8, checking the performance of the ecological recycled coarse aggregate pervious concrete, and adjusting the mix proportion of the ecological recycled coarse aggregate pervious concrete according to a test result. The design method is clear in overall thought, the design steps are simple and easy to follow, waste of materials, time, manpower and the like caused by repeated fitting is avoided, and good practicability and operability are achieved.

The present invention discloses a smoke detection and suppression system for concrete production, which relates to the technical field of smoke detection and suppression, and is used for detecting and suppressing smoke in at least one batching bin, comprising a dust suction pipe, a dust removal bin, a first air suction pump and a second air suction pump, wherein the batching bin is connected to the dust removal bin by a dust suction pipe, and the dust removal bin is provided with a first air suction pump and a second air suction pump which are symmetrically distributed on the left and right, the first air suction pump and the second air suction pump are alternately sucked, and the suction ends of the first air suction pump and the second air suction pump are provided with a filter screen, and the first air suction pump and the second air suction pump can also pump air into the dust removal bin; a stirring auger is also rotatably provided in the dust removal bin.

Described herein are novel construction materials and construction material compositions, processes, and equipment for manufacturing press-formed biocement and bioconcrete products and construction materials. In some embodiments, the methods include combining aggregate particles with a first measured dose of at least one biological organism or enzyme and a first measured dose of cementation reagents in a first mixer, mixing the contents of the first mixer and reacting the first measured dose of the cementation reagents in the presence of the first measured dose of the at least one biological organism or enzyme to form a biocement which binds to the surfaces of the aggregate particles, thereby increasing the size of the particles to yield a biocement coated aggregate.

According to the present invention, there is provided an apparatus (100) for manufacturing a cementitious slurry comprising foam, the apparatus comprising: a mixing chamber (101) for mixing a cementitious material and water to form a cementitious slurry, a channel (103) fluidly connected to the mixing chamber (101) at a first end (111), the channel (103) for receiving a cementitious slurry from the mixing chamber (101). In the apparatus (100), the channel (103) extends from the first end (111) and terminates at at least one second end (112). The channel (103) comprises a first foam inlet (106) for introducing foam into the channel (103). The channel (103) further comprises a second foam inlet for introducing foam into the channel (103). The first foam inlet (106) and the second foam inlet are offset along the length of the channel (103). A method using the apparatus (100) is also described.

Provided is a process for adjusting production of a gypsum board, comprising the following steps: Step 100, formulating a mixture of foaming agents; Step 200, conducting foaming with the mixture of foaming agents to give a soap solution and forming a gypsum board core with the soap solution; Step 300, detecting air hole sizes in the gypsum board core; and Step 400, adjusting a proportion of a foam stabilizer in the mixture of foaming agents according to the air hole sizes. The process according to the present disclosure can adjust size distribution of air holes in the gypsum board core to make it more uniform and can also adjust size of the air holes.

The invention provides a flow-state solidified soil mixing material ratio fluctuation early warning adjustment method, and belongs to the technical field of flow-state solidified soil construction.The method includes the steps that the input amount of each component is monitored in real time by building a material ratio fluctuation curve model, a material ratio stable interval is set to form an early warning value, material ratio abnormal points are recorded, and the material ratio fluctuation trend is calculated; applying a material ratio dynamic prediction equation set to analyze a historical change rule and predict a future trend, analyzing material ratio abnormal point relevance to carry out time sequence clustering, constructing a material ratio abnormal point and equipment start-stop relation model to reveal a fluctuation mechanism, calculating a material ratio fluctuation influence area to determine an influenced material range, and calculating the material ratio fluctuation influence area. And executing a material ratio fluctuation compensation program to automatically adjust the input amount of each component and guide fluctuating materials into a temporary storage area for treatment, and finally implementing material ratio recovery adjustment to gradually recover the input amount of each component to a standard value, so that the technical problem that the material ratio fluctuation is difficult to predict in real time and accurately regulate and control in the mixing process of the flow-state solidified soil in the prior art is solved.

The invention relates to the technical field of concrete batching machines, in particular to a dynamic compensation concrete batching machine and a control method thereof.The dynamic compensation concrete batching machine comprises a machine base, a fixed column is fixedly connected to the machine base, the fixed column is rotationally connected with a rotating frame, and one end of the rotating frame is rotationally connected with a sand base; the other two ends of the rotating frame are fixedly connected with a stone base, a cement base and a sand base respectively, the stone base, the cement base and the sand base are internally and fixedly connected with discharging anti-blocking mechanisms respectively, the machine base is provided with a batching base, and the batching base is internally and fixedly connected with a flushing and water adding mechanism in a penetrating mode. And the sand with overhigh water content is dehydrated through the water filtering cylinder by utilizing centrifugal force. Meanwhile, a humidity sensor in the sand base detects the water content in real time, the adding amount of water is automatically adjusted according to data fluctuation, and accurate water control and automatic adjustment are achieved. Compared with a traditional batching mode, manual intervention and raw material waste are reduced, and the concrete quality stability and production efficiency are remarkably improved.

The present disclosure relates to a system, a non-transitory computer readable medium and a method for determining a minimum amount of slurry to be added to a concrete mixture. This comprises measuring a plurality of n particles and determining, for each particle i: a particle volume (I), a particle surface area (II), a particle maximum size (III), a spherical volume (IV) and a spherical surface area (V) associated with a sphere having a diameter equal to the particle maximum size (III), and a remaining free surface. Then, for the plurality of particles, the shape irregularity factor is determined based on the remaining free surfaces of all n particles and the particle volume (I). The shape irregularity factor is used to determine a minimum amount of slurry for binding with a plurality of n particles to create a constructable concrete mixture, and a control signal is sent to a concrete preparation system.

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.

According to the present invention, there is provided an apparatus (100) for producing a foamed cementitious slurry, the apparatus comprising: a mixing chamber (101) for mixing a cementitious material with water to form a cementitious slurry; and a channel (103) fluidly connected to the mixing chamber (101) at a first end (111) for receiving the cementitious slurry from the mixing chamber (101). In the apparatus, the channel (103) extends from the first end (111) and terminates at least one second end (112). The channel (103) comprises a first foam inlet (106) for introducing foam into the channel (103), and the apparatus (100) is configured, during use, to introduce foam through the first foam inlet (106) at a velocity no greater than 5.4 times the velocity of the cementitious slurry in the channel (103). Methods of using the apparatus are also described.

The application discloses a kind of multi-phase composite ceramic material gradient mixed feed device and its use method, the device includes barrel, premixing bowl and stirring assembly are arranged in the barrel, the premixing bowl is arranged in the upper of barrel, and multiple through holes are opened in premixing bowl, and slurry after preliminary mixing by premixing bowl enters stirring assembly by through hole;The stirring assembly includes rotating shaft and stirrer, and the stirrer is used for stirring and mixing slurry and makes slurry move downward;The stirrer with through hole is arranged in the application, and different proportion slurry can be continuously configured without disassembling barrel, and composite material continuous gradient printing is realized;By the rotor of stirrer, pressure is applied to the remaining slurry, so that the remaining slurry flows upward through the through hole of the rotor, and continuously mixes with the newly added slurry under the stirring action of the stirrer, to realize the full mixing of each proportion slurry.

The application relates to the field of concrete raw material quantitative batching, and discloses a sandstone quantitative batching device which comprises a batching tank, a connecting shaft is coaxially arranged in the batching tank, the connecting shaft is connected with a motor arranged on the outer surface of the batching tank, the outer circumferential surface of the connecting shaft is provided with a batching component, the batching component is arranged in an array along the circumferential direction of the connecting shaft, the batching component comprises a connecting frame connected with the connecting shaft, a measuring cylinder is arranged on the connecting frame, a material hole is arranged on the upper end surface of the batching tank, the measuring cylinder can be coaxial with the material hole during the rotation of the batching component along with the connecting shaft, the upper hole of the material hole is extended with a hopper, the opening ends of the measuring cylinders of all the batching components are connected through a ring plate, the ring plate is provided with avoiding holes for avoiding the measuring cylinders, and the upper end surface of the ring plate is attached to the upper cavity wall of the batching tank.

Provided herein are compositions and methods for carbonating wash water (reclaimed water) produced during the production and use of concrete, and subsequent uses of the carbonated reclaimed water, including its use in the manufacture and use of additional batches of concrete.

The invention relates to the technical field of self-compacting concrete, in particular to super-mass steel box concrete and a mix proportion design method. The method comprises the following steps: step 1, determining an initial mix proportion D0 = (W10, W20, W30, W40, W50, W60) T according to performance parameters of concrete; step 2, adjusting the design range of each component of the concrete by taking the initial mix proportion as a benchmark to form a to-be-selected mix proportion set D; 3, concrete mixing is conducted according to all the to-be-selected mixing ratios, and adiabatic temperature rise calculation, shrinkage testing, compressive strength testing and self-compacting performance testing are conducted; and 4, selecting an optimal mix proportion D * by adopting an optimal mix proportion decision model. The concrete has multiple performance objectives of self-compaction, low shrinkage, low temperature rise and high crack resistance at the same time, is suitable for design of the concrete mix proportion in a bridge tower steel box of an extra-large bridge, and improves the durability of the bridge.

Methods and systems are disclosed for in-line blending of blowing agents with foam modifiers for addition to cementation slurries, such as may be particularly useful for gypsum or cement slurries. The foam modifier comprises a fatty alcohol added to a gypsum or cement slurry comprising a blowing agent, such as an alkyl sulfate surfactant. In some embodiments, the fatty alcohol may be a C6 to C16 fatty alcohol. The use of such foam modifiers may be used, for example, to stabilize foams, reduce waste of blowing agents, improve void size control in final products, and improve gypsum board manufacturing processes.

A mobile batch plant comprises a vehicle chassis, a powerplant supported by the vehicle chassis, a hopper for storing a premix that is a preblended mixture of aggregate material and cement, a water tank for storing water, a water replenishment hose connectable to the water tank for replenishing the water in the water tank, a mix auger for mixing the premix and water to form shotcrete or concrete and a swivel chute connected to the mix auger to deliver the shotcrete or concrete.

According to the present invention, there is provided an apparatus (100) for manufacturing a cementitious slurry comprising foam, the apparatus (100) comprising a mixing chamber (101) for mixing a cementitious material and water to form a cementitious slurry, a channel (103) fluidly connected to the mixing chamber (101) at a first end (111), the channel (103) for receiving a cementitious slurry from the mixing chamber (101). In the apparatus, the channel (103) extends from the first end (111) and terminates at at least one second end (112). The channel (103) comprises a first foam inlet (106) for introducing foam into the channel (103), wherein the apparatus (100) is configured, in use, to introduce foam through the first foam inlet (106) at a velocity 5.4 times or less the velocity of the cementitious slurry in the channel (103). A method using the apparatus is also described.

The device supplies solid materials consisting of a mixture of plant-based aggregate (62) and moistened binder, packaged in bags (B1, B2), by transporting the respective bags of dry binder (61) and aggregate via two conveyor sets. Before emptying the bag contents, a cutting phase is carried out on at least one conveyor of the device's transport means (MT), using cutting elements (16) that notch each bag as it travels to the discharge zone associated with a hopper. Additional transport and extraction of the emptied bags are performed after the cutting phase, beyond a perforated section covering a corresponding hopper. An extraction module forms a receiving zone (T30) for the bags before compaction and / or lateral extraction. The device is mounted on a trailer, with the tank (5) mixing the dry binder and water, and the blower (US) for the aggregate. (Simplified diagram: Figure 1)

The invention belongs to the technical field of concrete aggregate recognition, and particularly relates to a concrete aggregate grading recognition device which comprises a supporting frame, a support is fixedly mounted at the upper end of the supporting frame, an aggregate storage bin is fixedly mounted at the upper end of the support, and a plurality of groups of bin dividing grids are fixedly mounted in the upper end of the aggregate storage bin. The upper ends of the multiple groups of bin dividing grids are fixedly provided with feeding ports, test pieces formed in the conveying assembly are clamped and transferred through the transferring assembly and the clamping assembly, performance detection can be conveniently carried out on concrete test pieces of different aggregate gradation subsequently, stable clamping of the concrete test pieces of different sizes is achieved through the clamping assembly, and the stability of the test pieces is improved. The use flexibility and the application range of the device are improved, by simulating natural curing, seawater curing, carbonization curing and other environments in the curing cabin, research on the influence of the aggregate size fraction and the curing environment on the concrete performance can be carried out at the same time, and a systematic test platform is provided for revealing a size fraction, interface and environment coupling mechanism.

An example apparatus for additive manufacturing can include at least three legs including trussing beams and an upper frame supported at a target height by the legs. The upper frame can include an x-axis member extending between two of the legs and a y-axis member extending between two of the legs. An x-axis gantry can be coupled to the y-axis member and extend parallel to the x-axis member. The x-axis gantry can be slidably moveable along the y-axis member. An x-axis carriage can be coupled to the x-axis gantry and slidable moveable along the x-axis gantry. A telescoping z-axis member can be coupled to the x-axis carriage. A cementitious material delivery hose can have an outlet coupled to the z-axis member so that the outlet moves along a z-axis.

According to the present invention, there is provided an apparatus (100) for manufacturing a cementitious slurry comprising foam, the apparatus (100) comprising a mixing chamber (101) for mixing a cementitious material and water to form a cementitious slurry, a channel (103) fluidly connected to the mixing chamber (101) at a first end (111), the channel (103) for receiving a cementitious slurry from the mixing chamber (101). In the apparatus, the channel (103) extends from the first end (111) and terminates at at least one second end (112). The channel (103) comprises a first foam inlet (106) for introducing foam into the channel (103), wherein the apparatus (100) is configured, in use, to introduce foam through the first foam inlet (106) at a velocity 5.4 times or less the velocity of the cementitious slurry in the channel (103). A method using the apparatus is also described.

The present invention relates to the field of operating machinery and provides a metering control method, system and mixing station, wherein the method comprises: under a first metering strategy, based on the target metering value of the current batch of materials and the actual metering value obtained in real time by the metering device, obtaining a metering residual value; when the metering residual value is less than or equal to a first threshold value, switching from rough metering to fine metering; during the fine metering process, when the metering residual value is within the first metering value interval, using a first fine metering pulsation duration to perform a first fine metering measurement on the material in a fine metering pulsation metering manner, wherein after performing a fine metering pulsation using the first fine metering pulsation duration, under a first set condition, based on the metering residual value and the first fine metering pulsation duration used for this fine metering pulsation, obtaining the first fine metering pulsation duration used for the next fine metering pulsation. In this way, the accuracy and efficiency of material metering are improved.

A method of making a setting type compound by injecting an activator compound into a plaster compound wherein the activator compound tube is coaxial and within the plaster compound tube, each at the same flowrate, the same pressure and the same viscosity. The cross sectional transverse areas of an annulus containing the plaster compound and the hole in the annulus containing the activator compound are the same.

The invention belongs to the technical field of wastewater treatment, and particularly discloses an environment-friendly concrete mixing station full-scene drainage circulation system and a control method, and the system comprises a sandstone separator, a high-frequency dewatering screen, a centrifugal separation pool and a homogeneous adjusting tank; the high-frequency dewatering screen is arranged at an overflow port of the sand-stone separator, and a sand outlet end and a mud outlet end are arranged at an outlet of the high-frequency dewatering screen; the centrifugal separation tank is connected to the sludge outlet end of the high-frequency dewatering screen, an overflow port is connected with a clear water recycling tank, and an underflow port is connected with a gravity separator; the effective components screened out by the gravity separator enter a homogeneous adjusting tank; a pneumatic pulse array is arranged in the homogeneous adjusting tank and is used for circularly stirring effective components in the homogeneous adjusting tank; a density matching unit is arranged in the homogeneous adjusting tank and used for adjusting the concentration of the slurry in the homogeneous adjusting tank, and the slurry with the concentration reaching the standard serves as production water and is input into a concrete mixer to produce concrete. Gravel aggregate in sewage is recycled in a graded mode, and full-process closed-loop utilization and zero emission of waste residues and waste water are achieved.

The invention discloses a proportioning and mixing device for building ceramic raw materials in the technical field of building ceramic processing, the proportioning and mixing device comprises a proportioning feeding mechanism, a distributing mechanism, a multi-station mixing mechanism and a discharging mechanism, the proportioning feeding mechanism comprises a weighing feeding assembly and an overturning driving assembly, the distributing mechanism comprises a rotary distributing assembly, a guide pipe and a guide block, and the multi-station mixing mechanism comprises a multi-station mixing mechanism and a discharging mechanism. The multi-station material mixing mechanism comprises an annular sliding rail, a material mixing assembly and a plurality of material mixing boxes, by arranging the weighing and feeding assembly capable of being turned over, feeding is quicker and more convenient, the weighing and feeding assembly is cleaned through the cleaning structure, and it is avoided that many materials remain on the weighing and feeding assembly; by means of the rotating material distributing assembly which moves intermittently, feeding, material mixing and discharging of different stations can be conducted at the same time, and enough material mixing time is reserved for each material mixing box. And by arranging the annular sliding rail, the material guide pipe and the material mixing box are in a closed state after being staggered, so that the materials are prevented from being discharged accidentally.