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313results about "Pretreatment control" patented technology

Systems and methods for dynamic building material modifications

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.
Owner:BARNETT MAX DORN ADAM +1

Methods and compositions for assessement of concrete carbonation

Provided herein are methods and compositions for determining and reporting carbon dioxide sequestered and / or carbon dioxide avoided in operations involving concrete, including concrete raw material transport, concrete production, and concrete use.
Owner:CARBONCURE TECHNOLOGIES INC

A mortar conveying system

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.
Owner:邹城市创为新材料有限公司

Space free distribution micro-scale cage-shaped unit interlocking confined concrete and preparation method thereof

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.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD

Method, computer program products and devices for calculating optimised concrete formulations

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.
Owner:HYPERCON SOLUTIONS GMBH

Green low-carbon concrete construction operation device

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.
Owner:THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD

A continuous, high-efficiency, automatic dry-mix mortar preparation equipment

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.
Owner:FUJIAN CHUANGLIAN BUILDING MATERIALS CO LTD

Powder feeding device for concrete mixing plant

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.
Owner:SHANXI JINCHENG ROAD & BRIDGE CONSTR CO LTD +1

Systems and methods for quantum material-related characterizations

Systems, computer program products, and methods are described herein for quantum material-related characterizations. With reference to an example method, the method interacts one or more quantum states with a target material, generates one or more first data elements based on a measurement associated with the interaction of the one or more quantum states with the target material, and outputs the one or more first data elements. The method further determines a change in at least one quantum state of the one or more quantum states after the interaction with the target material, generates one or more second data elements associated with a characteristic of the target material based on the determined change in the at least one quantum state, and outputs the one or more second data elements.
Owner:BARNETT MAX DORN ADAM +1

Homogenizing and mixing device for fused zirconia corundum bricks

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.
Owner:HENAN ZHENYA NEW MATERIALS CO LTD

Multi-mode self-adaptive UHPC fiber dispersion metering device and method

The invention discloses a multi-mode self-adaptive UHPC fiber dispersion metering device and method.The device comprises a dispersion bin and a belt conveying device, a weighing device is assembled on the belt conveying device so as to dynamically weigh fiber materials on the belt conveying device in real time, and the upper end and the lower end of the dispersion bin are connected with a discharging bin and a discharging hopper respectively; a discharging opening communicated with the discharging hopper is formed in the middle of the dispersing bin, a material distributing disc is rotationally arranged on the discharging opening, a main shaft is assembled in the middle of the material distributing disc, a first motor is installed at the top of the discharging bin through a support, and an output shaft of the first motor is in transmission connection with the main shaft; through the multi-mode self-adaptive design, the device can automatically adjust the dispersion strength, switch the filter sieve plate and adapt to flow control parameters according to the characteristics of different types of fibers such as synthesis, minerals and metals, realizes efficient and uniform dispersion and accurate metering of the fibers, effectively adapts to the production requirements of multi-formula UHPC (Ultra High Performance Concrete), and greatly improves the application range and production flexibility of the device; and the UHPC quality stability is ensured.
Owner:FUJIAN WUJIANG CONSTR CO LTD +1

Equipment for making recycled concrete aggregate from construction solid waste

The present invention relates to the technical field of solid waste utilization and production equipment, and discloses a device for producing recycled concrete aggregate from construction solid waste, comprising a feed hopper, a bottom cover fixedly installed on one side of the bottom of the feed hopper, a rotating drum fixedly installed on the top of the bottom cover, a processing box fixedly installed on one side of the bottom cover, a third motor fixedly connected to one side of the processing box, a fixed rod slidably connected to the processing box, a connecting rod fixedly installed on the top of the fixed rod, a rack fixedly connected to one end of the connecting rod, a main drive gear sleeved on the output shaft of the third motor, the main drive gear and the rack engaged for transmission, the device for producing recycled concrete aggregate from construction solid waste drives the third motor to perform forward and reverse rotation, so that the aggregates can grind and break up each other by relying on their own edges and corners, and in the process of washing the aggregates, the aggregates rub and grind the aggregates themselves to refine the particle size, and the aggregates can be used directly after being ground.
Owner:HUNAN XINYIDA NEW MATERIAL TECH CO LTD

Concrete crushing and screening device and recycled asphalt concrete production process

The invention belongs to the technical field of crushing equipment, and particularly provides a concrete crushing and screening device and a recycled asphalt concrete production process. The concrete crushing and screening device comprises a multi-stage vibrating screen, a first-stage crusher and a second-stage crusher, and the multi-stage vibrating screen can screen concrete materials into at least three types according to the particle size in advance. In the working process, powder materials which do not need to be crushed repeatedly are directly discharged through the corresponding discharging ports and do not enter the first-stage crusher and the second-stage crusher any more, energy consumption is reduced, and excessive crushing is avoided. Coarse aggregate with large particle size firstly enters the primary crusher through the corresponding discharge port, and then enters the secondary crusher through the discharge channel for secondary crushing. The graded crushing design ensures that the coarse aggregate is fully crushed, the mixing of substandard aggregate or powder materials in a final product is reduced, and the grading uniformity of the recycled aggregate and the quality stability of the product are improved.
Owner:HEBEI DAOQING NEW BUILDING MATERIALS TECH CO LTD

Processing method convenient for recycling waste fan blade material

The invention belongs to the technical field of crushing and regeneration, and particularly relates to a processing method convenient for recycling waste fan blade materials, which comprises the following steps: S1, a pretreatment stage; s2, a particle crushing and fiber crushing stage; s3, a mixing and compounding stage; s4, a forming and pre-burying stage; s5, a curing and pouring stage; according to the processing method convenient for recycling the waste fan blade material, the waste fan blades are respectively crushed into particles and fibers according to different application requirements, so that different requirements of building bricks, wallboard filling and concrete reinforcement are met, and the utilization efficiency and the application effect of the material are improved; meanwhile, the tensile strength and bending strength of the concrete can be remarkably improved and the mechanical property of the material can be improved by adding the fibrous material, and the toughness of bricks and wallboards can be improved and cracks can be reduced by adding the granular material, so that the impact resistance of the bricks and wallboards is improved.
Owner:中海巢(河北)新能源科技有限公司

Geopolymer concrete based on waste concrete micro powder and preparation device and method

The invention discloses geopolymer concrete based on waste concrete micro powder and a preparation device and method, and belongs to the technical field of building materials, the geopolymer concrete comprises a crushing system, a grinding device, a stirring device and a shaping device; the smashing system is used for smashing waste concrete to form waste concrete fragments and conveying the waste concrete fragments into the grinding device, and the grinding device is used for grinding the waste concrete fragments to form waste concrete micro powder. According to the invention, the waste concrete micro powder is used as a mixed material or admixture for replacing cement and reacts with water to generate hydrated calcium silicate gel and calcium hydroxide; the hydrated calcium silicate gel can bond the aggregate to form a compact structure with certain mechanical strength, and the calcium hydroxide can react with amorphous SiO2 and Al2O3 in the waste concrete micro powder to generate hydrated calcium silicate, hydrated calcium aluminate or hydrated calcium aluminosilicate; a series of problems caused by nowhere to stack a large amount of waste concrete are effectively solved.
Owner:ZHENGZHOU UNIV +1

Construction material assessment method and systems

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.
Owner:GIATEC SCIENTIFIC INC

Efficient building mortar stirring device

The invention provides an efficient building mortar stirring device. The first stirring blade and the second stirring blade are arranged and can be driven by the stirring shaft to rotate, so that the materials can be mixed and stirred. Furthermore, the first stirring blades and the second stirring blades are spiral auger blades, so that when the spiral directions of the first stirring blades and the second stirring blades are opposite, the stirring shaft drives the corresponding first stirring blades and second stirring blades to rotate in the same direction even if the rotating directions are the same; the first stirring blade and the second stirring blade push materials to move in opposite directions. In other words, when the first stirring blades drive the materials to move towards the axis position of the stirring barrel in the rotating process, the second stirring blades drive the materials to move towards the direction, away from the axis, of the stirring barrel in the rotating process. And the two are matched with each other, so that to-be-stirred materials can be stirred in a reciprocating motion manner from inside to outside, the materials can be fully stirred, and the stirring efficiency is improved.
Owner:HENAN ZHONGHE BLUEPRINT NEW BUILDING MATERIALS CO LTD

Device for cooling liquids

A device for cooling liquids comprises a container (2) for holding a liquid bath (17, 29) in which a heat exchanger (3, 26) is arranged for cooling the liquid by heat exchange with a liquefied cryogenic cooling medium. The heat exchanger (3, 26) is in flow communication with an inlet device (14, 30) for the cooling medium, which opens into the liquid bath (17, 29) below the heat exchanger (3, 26). A gas bubble stream rising from the inlet device (14, 30) during operation of the device surrounds the heat exchanger (3, 26) and prevents the formation of an ice layer on the outer surface of the heat exchanger (2, 26). The heat exchanger surface preferably has the form of a coiled tube arranged vertically in the liquid bath (17, 29).
Owner:MESSER SE & CO KGAA +1

Concrete mixing equipment

The invention relates to the technical field of concrete mixers, in particular to concrete mixing equipment which comprises a mixing barrel, and a circulating mixing assembly is mounted in the mixing barrel; the circulating stirring assembly comprises stirring assemblies, stress lifting assemblies, an air injection box and a dust removal assembly, the two stirring assemblies are installed in the center of the stirring barrel and are opposite in stirring direction, a motor for driving the stirring assemblies to rotate is installed on one side of the stirring barrel, and the stress lifting assemblies are installed on the two sides of the inner wall of the stirring barrel; the air injection box is installed over the two stirring assemblies, a hole is formed in the bottom of the air injection box, one side of the air injection box is communicated with an air inlet pipeline, the dust removal assembly is installed at the top of the stirring barrel, the stress lifting assembly comprises a sliding plate, a baffle, an elastic plate, an inclined plate and a transverse plate, the sliding plate slides along the inner wall of the stirring barrel, and the baffle is installed at the top of the sliding plate. The technical problem that existing concrete stirring equipment is difficult to achieve the purpose of cyclic stirring of foam concrete by using an original structure in a stirring barrel is solved.
Owner:ANHUI HUAJIAN COMMERCIAL CONCRETE CO LTD

Preparation device and method for flow-state solidified soil

The invention discloses a preparation device and method for flow-state solidified soil, the preparation device comprises a stirring assembly (4) arranged on a high-pressure water source output port and a mixing assembly (3) arranged between the high-pressure water source output port and the stirring assembly (4), through the stirring assembly (4), stirring and mixed powder wet treatment is carried out on a soil material, a curing agent and an additive, and through the mixing assembly (3), the soil material, the curing agent and the additive are subjected to wet treatment. According to the invention, mixing treatment of a soil material subjected to wet treatment of mixed powder, a curing agent and an additive in a water flow state environment is realized, preparation of flow-state solidified soil is realized in mixing treatment of a high-speed double-hedging component, and the technical problem that solidified soil mixing is realized by using a concrete mortar mixer truck is solved; therefore, the preparation effect of the solidified soil is improved.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV

Air cooling control method and system for multi-aggregate pre-cooling

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.
Owner:POLY CHANGDA ENGINEERING CO LTD

Mobile premixed flow-state solidified soil preparation device with uniform stirring function

The invention discloses a movable premixed flow-state solidified soil preparation device with a uniform stirring function, and relates to the technical field of building construction equipment, and the movable premixed flow-state solidified soil preparation device comprises a movable frame, a stirrer, a vibrating screen assembly and a material taking mechanism. The fluid solidified soil preparation device can be flexibly adjusted and arranged according to changes of a construction area, preparation of the fluid solidified soil is achieved on a construction site, real-time pouring of the fluid solidified soil is achieved through the industrial hose pump directly connected with the stirrer, the flow concrete transferring procedure is reduced, investment of mechanical equipment is saved, and the construction efficiency is improved. The pouring construction efficiency of the flow-state solidified soil can be greatly improved; the stirring shaft drives the stirring blades to rotate and stir materials, and the first spiral blade and the second spiral blade stir the materials spirally, so that the materials are stirred, mixed and interactively stirred in the stirrer spirally, the materials are stirred more uniformly, and the stirring effect of the materials can be effectively improved.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 63926

System for preparing flow-state solidified soil on line from high-water-content muck

The invention discloses a system for on-line preparation of fluid solidified soil from high-water-content muck, which comprises a dispersion stirrer, a screening and crushing all-in-one machine arranged below the dispersion stirrer, a slurry storage box arranged below the screening and crushing all-in-one machine, a stirring mechanism arranged in the slurry storage box, and a slurry supply pipe communicated with a shunt pipe of a mixer, the two ends of the flow dividing pipe communicate with mixing branch pipes correspondingly, the mixing branch pipes communicate with the middle storage tank through powder supply pipes, a first air spraying pipe communicates with the interior of the middle storage tank, and the two mixing branch pipes communicate with the mixing pipe. The screening and crushing all-in-one machine is used for discharging the slurry to the slurry storage box and conveying the crushed hard blocks to the slurry storage box. Compared with the prior art, the system has the advantages that the slag can be fluidized and refined through the dispersing stirrer and the screening and crushing all-in-one machine, the requirement for raw materials is lowered, and then the slurry storage box is used for buffering and then is matched with the mixer and the powder supply mechanism to achieve online mixing of the flow-state solidified soil.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD +1

A UHPC ultra-high performance concrete production line

The present invention discloses a UHPC ultra-high performance concrete production line, belonging to the technical field of concrete production. It comprises a first fixed frame, a micro-bead feeder, a silica fume feeder, a water storage bucket, a cement feeder, a collection box, a conveying device, and a second fixed frame. A mixing barrel is sleeved on the top of the second fixed frame, and a steel wire limiter discharge assembly is provided inside the first fixed frame. A rotating stirring frame is connected to the outer wall of a rotating rod. A metal screen plate is used for initial load bearing and shaking, so that steel fibers gradually pass through the screen and are shaken into a discharge hopper, providing a certain buffer for the screen. The rotating stirring rod can be used to evenly stir the steel fibers, micro-beads, and silica fume. After rotating to more than 90 degrees, the evenly stirred mixture is conveyed by gravity from a feed curve plate to a conveyor belt for transportation. A rubber scraper can be used to scrape off materials adhering to the conveyor belt surface, effectively preventing concrete from adhering to the inner wall of the mixing barrel.
Owner:CHINA FIRST HIGHWAY ENGINEERING CO LTD +2

Aggregate supply bin for mass concrete production

The application discloses an aggregate supply bin suitable for mass concrete production and relates to the field of concrete production.The aggregate supply bin comprises a storage bin and a feeding port.The feeding port is arranged above the storage bin and is used for supplementing and adding aggregates in the storage bin.A sorting bin is connected below the storage bin, and a discharge port is arranged below the sorting bin.A discharge opening is arranged below the storage bin, and a discharge control mechanism is arranged in the discharge opening to control the discharge of the discharge opening.A feeding channel is communicated below the discharge opening, the feeding channel is arranged in the sorting bin, and a sorting cylinder is arranged on the right side of the feeding channel.The aggregate supply bin can sort aggregates before discharge through the arrangement of the sorting bin, the sorting cylinder is arranged in the sorting bin, the sorting cylinder can realize continuous screening through rotation, and the sorting cylinder can also avoid aggregate blockage, thereby ensuring the stability of subsequent discharge.
Owner:CCCC FIRST HARBOR ENGINEERING CO LTD +1

Waste recycling and stirring device for building

The invention belongs to the technical field of building waste recovery, and particularly discloses a building waste recovery stirring device which comprises a bottom plate, crushing mechanisms are evenly connected to one side of the upper end of the bottom plate, a conveying mechanism is connected to the lower portions of the crushing mechanisms, and a stirring mechanism is connected to the side, away from the crushing mechanisms, of the upper end of the bottom plate. The stirring mechanism comprises a stirring barrel, and the upper portion of the inner wall of the stirring barrel is rotationally connected with a scattering mechanism, through cooperative operation of the crushing mechanism, the conveying mechanism, the scattering mechanism and the stirring mechanism, continuous treatment of building waste from crushing and uniform dispersion to efficient stirring is achieved, and the stirring efficiency and effect of the building waste are improved.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Stirring device for production system of mortar with sound insulation function

The invention relates to the technical field of mortar production, in particular to a stirring device for a production system of mortar with a sound insulation function, which comprises a stirring bin body, support legs, a cover plate and a discharge hole, the discharging mechanism is optimally arranged, the bin cover structure can be closed after the whole slurry powder bag is put into the bin base, diffusion of the slurry powder in the air when the slurry powder is poured into the bin base is reduced, the two upper supporting rollers and the two lower supporting rollers on the bottom side in the bin base form a V-shaped structure, the slurry powder bag is effectively supported at the bottom, and therefore the slurry powder bag can be prevented from being separated from the bin base. The upper portions of the two sides of a slurry powder bag are limited through the first bag opening structure and the second bag opening structure, then the bottom of the powder bag is cut open under the action of the bag cutting structure, and when slurry powder is discharged, the slurry powder bag is extruded and pushed through the first material pressing structure and the second material pressing structure, so that the slurry powder is smoothly discharged downwards; the practicability of the device is improved to a certain extent, and dust pollution generated by mortar production is reduced.
Owner:TIANJIN FEILONG NEW MATERIALS TECHNOLOGY CO LTD

Ecological recycled coarse aggregate pervious concrete mix proportion design method

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.
Owner:CHINA CONSTRUCTION SIXTH ENGINEERING DIVISION CO LTD +2

A smoke detection and suppression system for concrete production

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.
Owner:TAICANG SHENKUN CONCRETE CO LTD

Geopolymer processing device

The invention relates to the field of geopolymer processing, in particular to a geopolymer processing device which comprises a pretreatment unit, an activation unit and a negative pressure unit. The pretreatment unit realizes integration of crushing, screening and drying of raw materials through built-in steel balls, a crushing roller with sieve pores and a multi-stage hot air drying system; the activation unit adopts an inner and outer cylinder structure, and materials are uniformly mixed through angle-adjustable stirring blades and dynamic spraying of an activating agent; and the negative pressure unit is used for defoaming by stages through gradient negative pressure, and is combined with linkage control of the sealing part and the feeding part, so that the defoaming efficiency is remarkably improved. According to the device, through modular integration and process optimization, the problems that a traditional processing flow is dispersed, the energy consumption is high and the product quality is unstable are solved, and the device is suitable for large-scale industrial production.
Owner:WEIFANG SANJIANTAI BUILDING MATERIALS CO LTD