578results about "Ingredients weighing apparatus" patented technology

A low profile particulate mixing plant is described. The plant is suitable for discharging the components of a particulate mixture. The plant includes a pair of storage receptacles located side-by-side. Each of the receptacles has a discharge adjacent an underside thereof to transfer a component of the particulate material mix within each receptacle to a respective conveyor at a height adjacent to ground level. The conveyor elevates the components from the discharges to a mixing station spaced from the receptacles. The plant is suitable for use as a concrete mixing plant.

A pre-mixer agglomerator and method of pre-mixing batching ingredients used to produce concrete mixes is disclosed. Specifically, this invention involves a pre-mix system which blends the wetting agents and the cementitious ingredients in relation to each other at any selected ratio in an adjustable and repeatable manner. The pre-mixer is a twin screw, preferably counter-rotating, pre-mixer agglomerator unit for pre-mixing these materials prior to combining them with aggregates in a drum of a transit mixer truck or other final mixing vessel.

Techniques or processes for efficiently producing concrete using dynamic feedback are disclosed. A concrete plant can use a control system to manage concrete production based on the dynamic feedback. The dynamic feedback can control mixing of concrete ingredients so as to yield uniform particle distribution for the concrete ingredients. The dynamic feedback can also avoid overflow situations as well as yield improved loading of the resulting concrete into a concrete transport vehicle (e.g., concrete truck).

The invention discloses an analog simulation experiment system and method based on a 3D printing rapid prototyping technology. A blending module is connected with an experiment module through a printing material laying module. A control module is connected with and controls the blending module, the printing material laying module and the experiment module. The control module is used for forming a 3D digital model of an analog simulation experiment. The control module controls the experiment module to be adjusted to a state suitable for printing the 3D digital model, controls the blending ratio of the blending module through electromagnetic valves and controls the printing material laying module to carry out 3D material laying at the experiment module through a direction control mechanism and reversing valves. The analog simulation experiment system and method can be used for laying rock models on complex geological structures, where the models cannot be laid through traditional measures, such as fold, faults and collapse columns, the model size precision is high, and therefore the system and method can be better used for observation and study of complex rock engineering such as the working seam overlaying strata movement rule, the roof caving regularity, and the relation between the roof moving features and forms and stability time after working face mining.

Disclosed is a vehicle security system, which uses a detection circuit to detect the supply of electric power from the car battery to the in-car computer and the status of the car ignition switch, and to start a backup power supply for the in-car computer, and drives the in-car computer to send an informing message to a remote receiver via a wireless communication module when the supply of electric power from the car battery to the in-car computer is terminated or when the car ignition switch is switched on during the alert mode of the vehicle security system.

An improved volumetric concrete mixing system and method of the present invention utilizes load cells for measuring weight loss from the aggregate and cement bins. Load cells may also be used for measuring weight loss from the water tank. The load cells provide input data corresponding to the weight loss of each container to a controller which automatically adjusts the delivery of ingredients to a mixing boot so as to achieve a desired concrete mix ratio.

The invention discloses a quantitative mixer for producing ceramics. The quantitative mixer comprises a mixer body, a hydraulic cylinder and a controller, wherein a feeding funnel is connected to the center of the upper side of the mixer body, a first electronic scale is disposed at the bottom end of the feeding funnel, a first electromagnetic valve is disposed at the center of the first electronic scale, a pulverizer is disposed at the left end of the upper side of the mixer body, and the bottom of the pulverizer is connected with the mixer body. The quantitative mixer has the advantages that an upper mixing mechanism and a lower mixing mechanism mix materials, the lower mixing mechanism can move up and down and left and right, mixing effect is guaranteed, mixing efficiency is increased, quantitative feeding and processing can be achieved, two different materials can be fed simultaneously according to proportion, mixer practicality is increased, ceramic producing efficiency is increased, the mixer can be moved freely and conveniently, and high practicality and convenience are achieved.

An assembly for controlling delivery of material from a bin opening includes a movable bin gate for closing the bin opening and providing a high flow rate of material when the movable gate is open, wherein a low flow aperture is formed in the bin gate to provide a low flow rate of material when the bin gate is positioned such that only the low flow aperture is open. A two-stage flow enhancer within the bin includes a first stage for impelling material in the direction of the low flow aperture and a second stage for impelling material to exit through the low flow aperture. A controller controls operation of the bin gate to adjust a flow rate of material from the bin opening. The controller may include a sensor for providing an actual weight value of material present in a receiving bin and a memory for storing a target weight value for the amount of material in the receiving bin, wherein the controller adjusts the position of the bin gate and the low flow aperture in response to the actual weight value and the target weight value. The bin gate may also be adjusted in response to one or more tolerance values defining proximity to the target weight value and/or in response to one or more threshold weight values, wherein the threshold weight values are less than the target weight value. A method for controlling delivery of material from a bin opening includes the steps of providing at the bin opening a movable bin gate with a low flow aperture and selectively positioning the bin gate using a single actuator to expose only the low flow aperture to the bin opening for material flow or to expose substantially all of the bin opening for material flow.

The invention discloses an automatic proportioning system of a concrete mixing station. The automatic proportioning system comprises a raw material storage system, a raw material weighing system, a mixer system, a raw material conveying system and a control system, wherein the raw material storage system comprises three silos which are arranged side by side; the raw material conveying system is composed of a belt conveyor and a bucket elevator; and the raw material weighing system comprises three belt weighers which are positioned above the belt conveyor, and are positioned below the openings of the silos. The automatic proportioning system can meet a large-scale concrete manufacturing process, can be used for precisely weighing and conveying various raw materials, and further can realize precise control and efficient management on a concrete proportioning process while the product quality is guaranteed, so that the problems such as a complex and out-of-order procedure in a convention producing and proportioning process, confused record management in a proportioning process, severe proportioning resource waste and the like are obviously avoided.

The invention discloses a preset value adjusting method and system for ingredients. Later fall value L'' is updated according to a preset value G1, a previous fall value L, a current fall value L' and an actual value G2, the closure time of a precision weighing valve is fed back and adjusted to form closed-loop control, and the adjustment is repeated, so that the actual value G2 of the discharge quantity is equal to the preset value G1 and accurate ingredients are ensured. Further, the preset value adjusting method and system for ingredients are particularly suitable for a mixing plant ingredient control method and system, thus improving the ingredient accuracy in the precision weighing phase, improving the production efficiency and the quality and reducing the production cost.

A concrete plant comprising an aggregate feed bin adapted to hold and release aggregate materials, a feed conveyor adapted to receive the aggregate materials from the aggregate feed bin, a collecting belt conveyor adapted to receive the aggregate materials from the feed conveyor, a silo assembly adapted to hold and release components of concrete, a screw conveyor adapted to receive the components of concrete from the silo assembly and convey the components of concrete to the collecting belt conveyor, and a mixer adapted to receive the aggregate materials and components of concrete from the collecting belt conveyor and mix the aggregate materials and components of concrete with water. The amount of aggregate materials received by the collecting belt conveyor from the conveyor and the amount of concrete components received by the collecting belt conveyor from the conveyor are precisely and accurately controlled.

The invention relates to an automatic grouting system comprising a cement tank, a funnel, a first electric control valve, a cement slurry stirring pool, a cement slurry storing pool, a second electric control valve, a cement slurry pump, an automatic grouting recorder, a first water injection pipeline, a first flow meter, a controller, a sodium silicate tank, a sodium silicate tank stirring pool, a conveying pipeline, a second flow meter, a sodium silicate storing pool, a second water injection pipeline and a third flow meter. By the adoption of the automatic grouting system, the slurry manufacturing process is controlled and monitored through an electronic scale, the electronic control valve, the flow meter, the automatic grouting recorder and the controller, the requirements existing during manual slurry manufacturing and monitoring are reduced, the work efficiency is improved, and labor cost is reduced.

The invention discloses a concrete quantified mixing device which comprises a base. A supporting rod A and a supporting rod B are fixedly arranged at the top of the base. The top end of the supportingrod B is fixedly connected with a fixed transverse rod. The top end of the fixed transverse rod is fixedly connected with a supporting rod C. The top end of the supporting rod A and the top end of the supporting rod C are fixedly connected with supporting plates. A fixed vertical rod A is connected to each supporting plate. In the design, through rotating control of two striker plates, the rate of adding concrete raw materials can be controlled, and therefore it is guaranteed that the needed raw material quantity can be grasped; through the interaction of weighing plates and shrinkage springs, the quantity of concrete added into a stirring barrel can be controlled more precisely, and therefore quantified mixing is effectively achieved, and the matching time is reduced; and through rotation of two blades different in spiral direction, the concrete on the upper portion in the stirring barrel can be conveyed downwards, the concrete on the lower portion in the stirring barrel can be conveyed upwards, the concrete cyclically flows in the stirring barrel, and the effect of uniform concrete mixing is achieved.

The invention discloses a full-automatic batching and mixing control system adopting a method of sand enveloped with cement. The full-automatic batching and mixing control system comprises a PLC, a moisture testing sensor and an information memory, wherein the moisture testing sensor is fixedly mounted in the inner chamber of a mixing tank; and mixing blades are also mounted in the inner chamber of the mixing tank. The method of sand enveloped with cement comprises the following steps: (3) adopting a repeated feeding method, stopping feeding after 90-95% of a material is fed into a scale, and then performing intermittent inching feeding till the required weight is reached; (4) feeding batched sandstone into the mixing tank, adding a proper amount of water, and controlling the water adding precision through the moisture testing sensor; (7) uniformly mixing, then performing moisture testing, and conducting intermittent inching water replenishing; and (8) discharging 30-50% of the material in a mixer when the material exists in an end product hopper, and stopping working. The full-automatic batching and mixing control system adopting the method of sand enveloped with cement adopts intermittent inching feeding and avoids errors caused by once feeding, the sandstone enters the mixer, a proper amount of water is added, then cement is fed, the product strength is improved, and the water adding precision is improved since the moisture sensor is arranged.

Provided is an inorganic noiseless artificial slabstone production system. The inorganic noiseless artificial slabstone production system comprises a vacuum press machine and also comprises a raw material tank, a bucket type weighing scale, a vacuum stirring tank and a material spreader connected successively by a sealed conveying device. Dry raw materials are quantitatively conveyed from the rawmaterial tank to the bucket type weighing scale for weighing, the dry raw materials are conveyed into the vacuum stirring tank to be added with water so as to make a slurry, the slurry is conveyed into the material spreader to make slurry plates, and finally the slurry plates are conveyed to the vacuum press machine for pressing to make slabs. The artificial slabstone produced by means of the production system and technology has the advantages of environmental protection and high yield, and the whole production system is precisely controlled by the PLC controller. The produced artificial slabstone has clear texture and distinct color, and the internal texture is tight and has no bubbles, so the artificial slabstone is widely used in the decoration industry.

The invention discloses an ingredient weighing metering device and method for a material self-loading mixer. The ingredient weighing metering device for the material self-loading mixer comprises an oil pressure sensor, a position measuring device and a calculation device; when in static weighing, the weight of an ingredient can be calculated by combination of the oil pressure of a large cavity and the oil pressure of a small cavity according the cross-sectional area of the large cavity and the cross-sectional area of the small cavity of a lifting oil cylinder; and / or when in dynamic weighing, the weight of an ingredient can be calculated by combination of the oil pressure of the large cavity and the oil pressure of the small cavity and the time for a lift arm to pass through a dynamic measurement position range according the cross-sectional area of the large cavity and the cross-sectional area of the small cavity of a lifting oil cylinder; the ingredient can be weighed by use of the ingredient weighing metering device and method for the material self-loading mixer.

The invention relates to a dry-mixed mortar production line which comprises a dry sand storage bin, a powder bin, a dry sand transfer bin, an elevator, a powder metering mechanism, a sand metering mechanism, a mixing agitator and a packaging machine, wherein the dry sand storage bin is connected with the dry sand transfer bin by virtue of the elevator; the powder bin and the dry sand transfer bin are correspondingly connected with the powder metering mechanism and the sand metering mechanism so as to form a raw material conveying unit; the output ends of the powder metering mechanism and the sand metering mechanism are connected with the mixing agitator; and the output end of the mixing agitator is connected with the packaging machine. The dry-mixed mortar production line provided by the invention has the beneficial effects that three-stage type mixing and stirring can be adopted, so that materials are uniformly mixed, the efficiency is high, and the energy consumption is high; and moreover, in a metering mode, pull sensing and timing measurement by a container with the fixed volume are adopted, the deviation can be automatically corrected, and the precise proportioning effect is achieved.

The invention discloses an intelligent concrete additive burdening device, and relates to the field of concrete additive equipment. The intelligent concrete additive burdening device comprises a tankbody; four sets of burdening tanks are arranged on the tank body; an unloading pipe is arranged at the lower end of the tank body; a water inlet pipe is arranged at the left end of the tank body; a flow meter is arranged at the upper end of the water inlet pipe; storage cavities are formed in inner cavities of the burdening tanks; weighing mechanisms are arranged under the storage cavities; a transverse plate is arranged in an inner cavity of the tank body; a primary mixing mechanism is arranged above the transverse plate; the lower end of the primary mixing mechanism penetrates through the transverse plate, and extends under the transverse plate; a stirring mechanism is arranged at the lower end of the transverse plate; a distributor is arranged in an inner cavity of the transverse plate;and the left end of the distributor is fixedly connected with the water inlet pipe. The intelligent concrete additive burdening device is provided with the distributor and an ultrasonic vibration mechanism for convenient cleaning of equipment, and meanwhile, can preferably, quickly and fully stir materials.

The invention discloses impermeable wear-resistant concrete and a preparation method thereof, and relates to the technical field of concrete preparation. The impermeable wear-resistant concrete comprises the following raw materials: cement, fly ash, blast furnace slag, quartz sand, broken stone, carbon black, a fiber filler, sodium alkyl benzene sulfonate, a water reducer, polyvinyl alcohol, an impermeable wear-resistant composition and water. The preparation device comprises a batching mechanism, a lifting and conveying mechanism and a mixing and stirring mechanism, wherein the discharging port end of the batching mechanism is connected with the feeding end of the lifting and conveying mechanism; and the discharging end of the lifting and conveying mechanism is connected with the discharging end of the mixing and stirring mechanism. According to the impermeable wear-resistant concrete and the preparation method thereof provided by the invention, prepared materials can be transferred at the same time, so that automatic unloading after weighing is realized; the inner wall of a lifting pipeline can be effectively prevented from being blocked while the materials are lifted and conveyed upwards; and the preparation method is simple, and the prepared concrete has the characteristics that the water-reducing rate is high, the workability and the fluidity of the road concrete are obviously improved, and the impermeability, the freezing resistance, the fracture resistance, the compression resistance, the wear resistance and the durability of the road concrete are improved.

The invention discloses production equipment of autoclaved aerated concrete blocks, comprising a feed inlet, a conveyer belt, a crushing stirrer, a feeding mixing chamber, a moving pouring chamber, a hardening curing chamber, a solid cutting machine, a sealed autoclaving chamber and a conveying hanging tool. The crushing stirrer is connected between the conveyer belt and the feeding mixing chamber. The feeding mixing chamber is connected between the crushing stirrer and the moving pouring chamber. The moving pouring chamber is connected between the feeding mixing chamber and the hardening curing chamber. The hardening curing chamber is connected between the moving pouring chamber and the solid cutting machine. An auto-metering display screen helps improve precision of material weighing; a grinding crushing chamber helps improve viscosity of prepared slurry; a speed governor helps improve intelligence level and production efficiency.