23results about How to "Achieving Quantitative Control" patented technology

The utility model belongs to the technical field of liquid packaging machines, and discloses a metering structure of a liquid packaging machine, which comprises a processing table, a sliding groove is formed in the top end of the processing table, a sliding plate is arranged in the sliding groove, a plurality of material placing plates are mounted at the top end of the sliding plate, two convex plates are arranged at the top end of each material placing plate, and telescopic connecting rods are arranged on the sides, close to each other, of the two convex plates. According to the liquid packaging device, the adjusting screw rod is controlled to rotate according to the demand quantity for liquid packaging, after the metering plate and the control switch are adjusted to the needed height, the electric control valve at the bottom end of the feeding pipe is opened, the feeding pipe is opened, and the feeding pipe is opened; liquid enters the discharging tank through the feeding pipe and pushes the floating plate to move upwards, after the liquid pushes the floating plate to move upwards and makes contact with the control switch, the control switch closes the electric control valve, quantitative discharging can be achieved, and quantitative control over the liquid can be achieved through the two control valves.

The utility model relates to the technical field of chemical production equipment, and provides a feeding system aiming at the problems of an existing feeding system, which can ensure constant-temperature feeding of water in the feeding system and constant-temperature output of mixed materials after stirring. The feeding system comprises a stirring chamber, a water supply unit and a heat exchange unit. Wherein the stirring chamber is used for containing and stirring water and materials, a water supply inlet and a mixed material outlet are formed in the stirring chamber, and the mixed material outlet is used for allowing mixed materials formed after the materials and the water are stirred to flow out of the stirring chamber; the water supply unit communicates with the water supply inlet; a heat exchange inlet of the heat exchange unit is communicated with the water supply unit and the mixed material outlet, and a heat exchange outlet of the heat exchange unit is communicated with the external discharge port or the water supply inlet in a switchable manner so as to control the temperature of water entering the stirring chamber and the temperature of the mixed material flowing out of the mixed material outlet.

This invention relates to the field of physical similarity simulation technology, specifically providing a physical simulation method for the formation process of lunar lava tube structures. The method involves preparing a simulated melt that meets the rheological and thermodynamic similarity criteria of basaltic lava by mixing thermoplastic materials with condensation additives. The low-gravity effect, high-vacuum environment, and radiative cooling conditions under lunar conditions are reproduced using inclined flow channels and thermal vacuum cavities. By precisely matching dimensionless parameters such as Peckley number, dimensional temperature, and Rayleigh number, the injection rate, flow channel inclination angle, and target ambient temperature of the simulated melt are determined. Under these conditions, controlled melt flow and surface solidification crust formation are simulated, ultimately forming a cavity structure model. This allows for the physical study of the formation process of lunar lava tube structures. This invention can accurately reproduce the dynamic crust formation and cavity formation process of lava flow under extreme lunar conditions, providing a quantitative experimental data basis for the study of the formation mechanism of lunar lava tubes and their engineering applications.

The invention relates to a powder conveying device for conveying superfine powder for spraying, namely conveying powder which is small in density and particle size and easy to agglomerate in a thermal spraying process. Belongs to the technical field of thermal spraying. An ultrafine powder conveying device for spraying comprises a powder tank body, a gas carrying assembly and a powder feeding assembly. The powder feeding assembly comprises a conical surface mesopore baffle arranged in the powder tank body and provided with a downward opening, a straight pipe connector, a powder feeding hose and a powder feeding connector arranged on the wall of the powder tank body. According to the powder feeding device, after passing through the gas pressure valve and the gas flow meter, carrier gas enters the powder tank body through the gas feeding ring pipe exhaust hole in the carrier gas assembly at constant pressure and constant flow; quantitative control over the powder conveying amount can be achieved by adjusting the set values of the gas pressure valve and the gas flow meter; meanwhile, the gas carrying assembly is matched with the powder feeding assembly, powder is fed from bottom to top, and the adsorbed and agglomerated powder can be atomized.

The application discloses a feeding device, which comprises a storage assembly including an inlet and an outlet, and is used for storing materials; a weight detection assembly is arranged on the storage assembly and is close to the inlet, and is used for detecting the weight of the storage assembly and the materials; a material level detection assembly is arranged on the storage assembly and is close to the outlet, and is used for detecting the height of the materials; a temperature detection assembly is arranged on the storage assembly and is arranged between the weight detection assembly and the material level detection assembly, and is used for detecting the temperature of the storage assembly and the materials; a feeding assembly is connected to the outlet, and is used for obtaining the materials from the outlet and conveying the materials; and a control assembly is coupled to the weight detection assembly, the material level detection assembly, the temperature detection assembly and the feeding assembly, and is used for alarming when the weight is less than or equal to a first preset value, or when the temperature is greater than or equal to a second preset value, or when the height of the materials is lower than a preset height. The feeding device reduces the possibility of faults of the feeding device by detecting the weight, the material level and the temperature.

This invention discloses a device and method for the co-processing of tailings and waste rock, backfilling and compaction, and in-situ quality testing, belonging to the field of resource utilization of mining solid waste. Tailings, waste rock, and large particulate waste are weighed and then enter a screening, dewatering, and water treatment and recycling system III. After dewatering, the tailings enter a tailings and solidifying agent mixing system IV, where it is mixed with one or more solidifying agents and / or reinforcing materials transported by a solidifying agent storage system V to form a slurry. The slurry enters a slurry backfilling bin through a silo conveying port and a slurry input channel. After being stirred again in the backfilling bin, it is guided and shaped by a plastic sheet and compacted by a walking compaction wheel. The screened waste rock enters a five-stage waste rock grading screening bin. The in-situ quality testing system samples and tests the strength of the backfilled and compacted area. This invention achieves integrated continuous operation of tailings and waste rock weighing and batching, screening and dewatering, solidification and mixing, slurry backfilling and shaping, waste rock damming, tailwater reuse for dust suppression, and backfill quality testing.

The utility model discloses a metal forging piece feeding device, including the feeding box, the side of being close to the feeding box is provided with the mounting bracket, the top end one side fixed mounting of feeding box has the transmission frame, the outer periphery one side fixed connection of feeding box has dust collection box, the upper end both sides periphery of feeding box all fixed mounting has the dust collection port, the inside lower extreme fixed mounting of dust collection box has the dust collector, the side of being close to dust collector is provided with the ventilation board, the central end sliding connection of dust collection box has the filter screen, the upper end fixed communication of dust collection box has the conveying pipe, and the output of conveying pipe is communicated with two ventilation board respectively Setting, the metal forging piece feeding device of utility model, through setting dust collection port in the top of feeding box, connecting dust collection box and dust collector, cooperation slidable filter screen of dismounting, effectively collect metal dust, improve workshop air quality, guarantee the health of operating personnel.

The utility model relates to the technical field of powder conveying accessory devices, in particular to a novel energy-saving powder conveying device which can automatically and quantitatively control powder conveyed into a raw material barrel through adjustment, so that the powder is quantitatively controlled, the working efficiency and the effect of quantitatively conveying the powder are improved, and the labor intensity of workers is reduced. The device comprises a device main body, a feeding hole, a discharging hole, four groups of mounting rods and a bottom plate, the device further comprises two spoilers, four first hinged supports, four connecting rods, multiple second hinged supports, four first sliding blocks, two connecting blocks, two connecting plates, four telescopic air cylinders, a raw material barrel, a supporting plate, two second sliding blocks, a pressure sensing assembly, a control mechanism and a fixing assembly. The tops of the left end and the right end of a working cavity of the device body are evenly hinged to one ends of spoilers through two first hinged supports correspondingly, and the bottoms of the two spoilers are hinged to one ends of connecting rods through two second hinged supports correspondingly.

The present invention belongs to the field of geotechnical testing, and relates to a device for preparing a reshaped clay sample with an inclined deposition surface, which is used to consolidate a fluidized soil sample into a geotechnical sample, and includes a sample molding system, a power drive system, and a consolidation drainage system; the fluidized soil sample is installed in the sample molding system, and the power drive system drives the sample molding system to rotate and generate centrifugal force, and the consolidation drainage system is arranged outside the sample molding system, and the excess water in the sample molding system is discharged through the consolidation drainage system. The present invention can achieve quantitative control of the inclination angle of the deposition surface of the sample, and is suitable for the preparation of reshaped samples; it can also be used in conjunction with existing geotechnical sample preparation technologies (sampling method, coring method, etc.) to solve the problem of preparing hollow cylindrical clay samples with inclined deposition surfaces.

The utility model discloses laryngeal anesthesia spraying equipment for the anesthesia department, and relates to the technical field of medical instruments, the laryngeal anesthesia spraying equipment comprises a liquid storage bottle used for storing anesthetics, the bottle opening end of the liquid storage bottle is spirally connected with a sealing cover, an infusion tube of an L-shaped structure is arranged at the center end of the sealing cover in a penetrating mode, and when the sealing cover is connected with the liquid storage bottle, the infusion tube is connected with the sealing cover. One end of the infusion tube extends to the bottom of the liquid storage bottle but is not in contact with the bottle bottom, and the other end of the infusion tube is provided with an atomizing nozzle; a piston is slidably arranged in the air conveying cylinder and connected with a pushing mechanism driving the piston to reciprocate in the air conveying cylinder, an air cavity is defined by the piston and the cylinder wall of the air conveying cylinder, an air inlet is formed in one side of the air cavity, a one-way valve limited to air inlet is arranged between the air inlet and the air cavity, and an exhaust pipe is arranged on the other side of the air cavity. A one-way valve limited to exhaust is arranged between the exhaust pipe and the air cavity, and the exhaust pipe penetrates through the sealing cover and extends to the top in the liquid storage bottle; a graduated scale is arranged on the gas transmission cylinder and used for measuring the moving distance of the piston.

The utility model discloses an automatic control device for water adding and heating of a pulp water tank in the wine making production process. The tank body is arranged on a support and used for storing hot water, the steam pipeline is arranged at the upper end of the left side wall of the tank body and used for leading in steam, the water inlet pipeline is used for leading in well water, and the water outlet pipeline is arranged at the bottom end of the right side wall of the tank body and used for leading out hot water. The controlled end of the steam electromagnetic valve is connected with the output end of a control module in the control distribution box; a water electromagnetic valve for opening and closing the water inlet pipeline is arranged on the water inlet pipeline; a controlled end of the water electromagnetic valve is connected with an output end of a control module in the distribution box; and a manual valve for opening and closing the water outlet pipeline is arranged on the water outlet pipeline. The water level and the water temperature can be accurately controlled, and the purposes of saving water vapor resources and eliminating potential safety hazards are achieved.

This invention discloses a method for unsteady-state ultrasonic standing wave-assisted control of fusion welding. It utilizes dual ultrasonic transducers to perform dual-wave interference, forming an ultrasonic standing wave. This ultrasonic standing wave is introduced into the fusion welding process, and its action on the welding area allows for real-time control of the microstructure and properties of different parts of the weld joint. This forms a unsteady-state ultrasonic standing wave with controlled directional movement of the wave packet nodes, which is then used to regulate the microstructure and properties of the weld joint. This invention enables control over the direction and speed of movement of the unsteady-state ultrasonic standing wave wave packet nodes, allowing for regional control of the microstructure and properties of different parts of the weld joint, resulting in a more uniform joint composition and microstructure. It can solve problems such as undercut, burn-through, high residual stress, severe deformation, and columnar crystals that reduce joint performance during the welding of thin materials or fine wires, refining grains and improving joint performance. It can achieve controllable connections from the centimeter scale to the micrometer scale.

The present application discloses a flipping device and flipping attitude adjustment method for a strut sleeve landing gear, comprising a load tray, a servo electric cylinder, an electric cylinder rotating seat, a flipping mechanism, and a locking mechanism. The flipping mechanism is fixed at the center of the load tray, and the two tires of the landing gear cross over the flipping mechanism and are placed on the load tray. The servo electric cylinder is connected to one end of the flipping mechanism, and the locking mechanism is installed at the other end of the flipping mechanism. The servo electric cylinder drives the flipping mechanism from being inclined 45° to the ground to being perpendicular to the ground, and flips the landing gear to a vertical position at the same time. The present application can realize quantitative control during the assembly of the landing gear, simplify the landing gear installation process, and reduce the safety hazards caused by manual assembly.

The application provides a mass concentration measurement method based on light scattering and aerodynamic dual-mode particle size spectrometer, and belongs to the technical field of particulate matter concentration detection.The method is as follows: introducing a to-be-detected airflow into a light scattering detection area and an aerodynamic detection area simultaneously, acquiring light scattering characteristic parameters and light scattering particle counts of each particle size channel, and acquiring aerodynamic characteristic parameters and aerodynamic particle counts; determining a cross particle size range of the two detection areas, and correcting the aerodynamic particle counts in the range based on the light scattering particle counts; using the corrected aerodynamic particle counts and characteristic parameters to inversely calculate particulate matter mass concentrations in the cross particle size range and taking the particulate matter mass concentrations as a calibration reference; and using the light scattering characteristic parameters and the calibration reference to construct a multi-dimensional calibration model to inversely calculate and predict particulate matter concentrations in a non-cross particle size range.The application realizes high-precision measurement of particulate matter mass concentrations in a wide particle size range through light scattering and aerodynamic dual-mode dynamic calibration.

The utility model relates to the technical field of organic chemistry, in particular to a reaction catalysis device for organic chemical raw materials, which is characterized in that a thermal insulation layer is arranged in a device tank, a heating pipe is arranged on the inner cavity wall of the device tank, and a heat conducting plate covers the surface of the heating pipe. The stability of the temperature in the tank of the device can be effectively controlled, and meanwhile, the temperature in the tank of the whole device is kept stable due to the design of the insulating layer; a liquid preparation box is arranged at the top of the device tank, a liquid level sensor is arranged on the side wall of the liquid preparation box, and an electromagnetic valve is mounted in a connecting pipe, so that the amount of the liquid catalytic additive can be controlled; the batching box is arranged on the side face of the feeding pipe, the bearing plate and the weighing plate are arranged in the batching box, a proper amount of fixed catalyst particles are weighed through the weighing plate, then the bearing plate is jacked up through the electric telescopic rod, the catalyst particles are fed into the device tank through the communicating groove and the feeding pipe, and quantitative control over the fixed catalytic additive is achieved.

This utility model discloses a secondary coagulation and sedimentation system for municipal solid waste leachate, comprising: a first reaction tank with a built-in first stirring device; a second reaction tank with its inlet connected to the outlet of the first reaction tank and a built-in second stirring device, the second stirring device having the same or different stirring speed as the first stirring device; a sedimentation tank with its inlet connected to the outlet of the second reaction tank and its outlet connected to a subsequent treatment device; a dosing assembly with its outlet connected to both the first and second reaction tanks to allow the addition of different reagents; and a detection assembly including a first detection element and a second detection element, both electrically connected to the dosing assembly. The first detection element is located in the first reaction tank and is used to detect the water quality in the first reaction tank, and the second detection element is located in the second reaction tank and is used to detect the water quality in the second reaction tank. This utility model can improve the pretreatment effect of municipal solid waste leachate.

The present invention provides a meatball making device, comprising a feed piece and a support piece that are detachably connected from top to bottom, wherein a feeding piece is provided inside the feed piece, and a meatball former is rotatably connected inside the support piece, wherein the meatball former comprises two forming spherical surfaces that are arranged opposite to each other and can be relatively opened and closed, and a plurality of saw teeth for cutting meatball fillings are arranged at intervals at the edges of the forming spherical surfaces, and the two forming spherical surfaces cooperate to form an arc-shaped panel that can accommodate meatballs. The meatball making device of the present invention can realize step-by-step control of meatball filling conveying and meatball forming, the weight of the meatballs produced can be controlled, the meatballs are in a uniform spherical shape, and the entire device can be quickly disassembled and fully cleaned, thereby improving the food safety of the device.

The utility model relates to the technical field of calcined coke processing, especially to calcined coke forming press, including first drive motor, second drive motor and support frame, first drive motor output fixedly connected with conveying part, support frame fixedly installed has the screening cylinder, the screening cylinder bottom end is equipped with the discharge gate, the discharge gate fixedly installed has first filter plate, the utility model discloses a conveying part that first drive motor output fixedly connected with, the discharge gate fixedly installed has first filter plate, the screening cylinder is away from first drive motor one end fixedly installed and has second filter plate, and starting first drive motor drives conveying part rotation, conveying part pushes and shoves calcined coke and moves towards the collection box, and the calcined coke successively passes first filter plate and second filter plate in the movement process, and first filter plate and second filter plate carry out screening according to calcined coke particle size, make the density of calcined coke extrusion forming stable, improve the forming effect.

This invention discloses a method for directional grouting repair of scour-filled areas in wharf foundations, comprising: S1, conducting surveys and data collection of the area to be grouted before directional grouting; S2, designing a grouting scheme, including: S21, estimating the required grouting volume for the area to be grouted; S22, designing the grouting hole positions and spacing; S23, initially assessing the grouting influence radius under given grouting pressure and flow rate conditions, thereby guiding the hole spacing and grouting volume distribution; S24, designing an upper limit for grouting pressure, ensuring that the upper limit is less than the critical rupture pressure of the soil or less than the allowable bearing capacity of the wharf structure; S3, selecting grouting materials and proportioning them; S4, carrying out grouting construction, including: S41, drilling; S42, test grouting; S43, formal grouting; S5, monitoring and quality assessment. This invention enables precise filling and foundation reinforcement of scour-filled areas.

The utility model provides a comma scraper transfer coating head which comprises a machine frame, a transfer coating rubber roller is installed on the machine frame, a coating steel roller is installed on the left side of the transfer coating rubber roller and tightly attached to the transfer coating rubber roller, and a coating rubber roller pushing servo mechanism is installed on one side of the transfer coating rubber roller. The double-sided comma scraper is installed above the coating steel roller, the trough mechanism is installed below the coating steel roller, a scraper lifting air cylinder which is vertically and downwards arranged is installed above the double-sided comma scraper, a telescopic shaft of the scraper lifting air cylinder is connected with the double-sided comma scraper, and a scraper gap detection mechanism is installed between the double-sided comma scraper and the coating steel roller. And a scraper fine adjustment mechanism is mounted below the double-sided comma scraper. The comma scraper transfer coating head is ingenious in design, simple in structure and convenient to operate, and the coating weight and the coating precision are effectively controlled by adopting the double-sided comma scraper.

The utility model discloses a water drinking device for livestock breeding cattle, which comprises a water tank, a plurality of water drinking troughs are arranged on the front side of the water tank, a quantifying component is arranged in each water drinking trough, a water inlet is arranged on each water drinking trough, a water outlet is arranged on the water tank, and a water outlet is arranged on the water tank. According to the water drinking device for livestock breeding cattle, the floating ball in the quantitative assembly ascends and descends along with the change of the water level in the water drinking trough to drive the tilting rod and the extrusion rod to move, the water inlet and the water outlet are formed in the water tank, the water inlet and the water outlet are formed in the water tank, the water outlet is formed in the water tank, the water outlet is formed in the water tank, and the water outlet is formed in the water tank. When the water level rises, the floating ball ascends, the extrusion rod descends, water flow in the sewer pipe is compressed, and the water supply speed is reduced, and when the water level descends, the floating ball descends, the extrusion rod ascends, water flow in the sewer pipe is loosened, and the water supply speed is increased. Therefore, the quantitative control of the water yield of the water trough can be realized through the buoyancy change of the floating ball.

The utility model discloses a glass kiln raw material conveying device which comprises a drying cylinder, a plurality of supports are symmetrically installed on the bottom face of the drying cylinder, a pivot is connected into the drying cylinder in a rotating mode, a spiral conveying plate is installed on the outer side of the pivot, a plurality of ventilation holes are evenly formed in the spiral conveying plate, and the ventilation holes are communicated with the supports. When the drying device is used, the operation is simple, the purpose of forced air drying on raw materials can be achieved, the raw materials are dried in the device, the situation that after the raw materials enter a smelting furnace, moisture is evaporated, and a large amount of heat is absorbed is avoided, and the drying effect is good. The temperature control and energy utilization efficiency of the kiln are affected, the size of a sealing opening in the bottom of the drying cylinder is adjusted by adjusting the number of the material baffles installed on the installation frame, and then quantitative control is achieved.

This invention discloses a photothermal-triggered reusable drug delivery microneedle patch based on phase change materials, its preparation method, and its applications, relating to the field of pharmaceutical technology. The microneedle patch comprises several microneedles, each containing a drug-loaded matrix, a therapeutic drug, and photothermal nanoparticles. The drug-loaded matrix comprises a phase change material with reversible solidification-melting properties, capable of melting under photothermal triggering conditions and reverting to solidification after the photothermal triggering conditions disappear. The melting point of the phase change material is between 38°C and 45°C. The phase change material includes higher fatty acids and polyethylene glycol derivatives, and the photothermal nanoparticles include gold nanorods, graphene oxide, and polypyrrole nanoparticles. This invention proposes a microneedle patch using near-infrared light as a trigger signal and a phase change material with reversible solidification-melting properties. Through the melting process of the same phase change material under photothermal triggering, reusable drug delivery is achieved, overcoming the technical limitations of existing microneedles that only allow for "single-use, continuous drug release."