35 results about "Granular media" patented technology

There is a scent delivery device and method of manufacture thereof wherein a scent delivering granular media is disposed within an airtight or textile container. The granular media includes: free-flowing non-silica, non-garnet, and non-staurolite glacial remnant sand mixed in a drum with powdered orris root fixative physically bonded to the free-flowing non-silica non-garnet, and non-staurolite glacial remnant sand and a fragrance fixed to the orris root fixative. The airtight container is a clear glass jar with a lidded top in functional communication with a heating lamp such that heat from the lamp is directed to the container and thereby to the scent delivering granular media.

The present application relates to the field of robot technology, especially a wheel-foot composite flat warehouse monitoring system and control method for unstructured granular medium, including adaptive four-wheel-foot composite mobile chassis, dual-mode operation module carrying flat warehouse mechanical arm and deep probe, multi-source perception hub and controller, the core lies in that through the multi-mode adaptive switching of wheel-foot composite chassis, the anti-sinking movement is realized on the loose grain surface; and the WBC whole body controller based on inverse dynamics and granular mechanics is adopted, so that the chassis can actively offset the huge reaction force generated by the flat warehouse operation of the mechanical arm, ensure the overall stability during heavy load operation, at the same time, the variable stiffness admittance control is adopted for the mechanical arm, high efficient flat warehouse and automatic obstacle crossing are realized, the present application completely solves the technical bottleneck that the existing equipment is easy to sink and operation unstable on unstructured granular medium, and realizes the full autonomous and integrated grain warehouse flattening and deep layer monitoring operation.

Provided is a method for industrially advantageously producing an organic acid salt from which a perovskite-type composite oxide having a small particle diameter and a high crystallinity can be obtained, the method comprising mixing and reacting a solution (solution A) containing any one component of an organic acid, an A-site element compound, and a B-site element compound with a solution (solution B) containing two components of the organic acid, the A-site element compound, and the B-site element compound to produce an organic acid salt, wherein the two components are not contained in the solution A. The method for producing the organic acid salt is characterized by firstly feeding, into a reaction vessel, either one of the solution A and the solution B and a granular medium in an amount of 5.0-95.0 vol% relative to the volume of the one solution, and then stirring the solution and the granular medium in the reaction vessel and therewhile mixing and reacting the solution in the reaction vessel with the other of the solution A and the solution B.

The application discloses a heating structure of a curved black body, which comprises a heat-conducting seat, a heat-conducting seat and a black body radiation source which are sequentially stacked and installed, wherein the heat-conducting seat, the heat-conducting seat and the black body radiation source are all concave structures, the concave surface of the black body radiation source is a curved surface, a heat-conducting medium is filled in the gap between the heat-conducting seat and the heat-conducting seat and the black body radiation source, and the heat-conducting medium comprises a flexible medium and a granular medium. The application is used for the K scene of a temperature measurement module, heat transfer is performed on the curved black body radiation source, uniform heating of the curved black body is realized, the heat transfer effect is stable, and the K effect of the module can be effectively improved.

The application discloses a kind of granule volume measurement methods based on gap correction integration, it is related to granular medium measurement technical field, comprising the following steps: S1, different time point cloud acquisition and uniform modeling;S2, nonlinear gap correction integration model establishment;S3, gap feature extraction and input construction;S4, neural network gap correction factor prediction;S5, volume change calculation and dynamic application.The application adopts the above-mentioned kind of granule volume measurement method based on gap correction integration, by introducing time variable and nonlinear correction mapping in traditional voxel integration framework, constructs the space-time nonlinear model capable of representing the dynamic change of internal porosity of granular medium, in combination with neural network learns the measurement method of complex mapping relationship between internal porosity and volume change of granular medium, realizes high-precision, nonlinear, adaptive detection to the real volume of granular medium.

System for measuring the moisture content of a granular medium. This description relates to a system (1) for measuring the moisture content of a granular medium (2) comprising a collection element (3) intended to be placed in the granular medium (2) in contact with the granular medium (2), and configured to collect water present in the granular medium (2), a reservoir (14) for receiving the collected water, moisture sensors (16) in regions at least partially distinct from the granular medium (2), at least one temperature sensor (24), at least one conductivity sensor (26) configured to measure the conductivity of the water received in the reservoir (14), and transport means (18, 21) configured to transport water from the reservoir (14) to the conductivity sensor (26). Figure for the abstract: Fig. 1

The invention belongs to the technical field of chemical equipment, and relates to an orifice flow disc type liquid distributor suitable for a high-viscosity or granular medium and a use method. The orifice flow disc type liquid distributor comprises an orifice flow disc, an outer cylinder is arranged on the orifice flow disc, air rising holes and liquid distribution holes are evenly formed in the orifice flow disc, the liquid distribution holes are distributed around the air rising holes, air rising pipes are arranged on the air rising holes, liquid baffles are arranged on the air rising pipes, the liquid distribution holes are of an inverted-cone-shaped structure, rib plates are arranged below the liquid distribution holes, and the rib plates are arranged on the outer cylinder. Liquid distribution plates are arranged at the lower ends of the rib plates. The liquid distribution holes of the inverted-cone-shaped structure are adopted, liquid flowing resistance can be reduced, the diameter of the upper end is large and can rapidly receive liquid in the liquid distribution groove, the diameter of the lower end contracts, local acceleration can be formed, kinetic energy is more stable when the liquid flows out, and uneven liquid outlet caused by flow fluctuation is avoided.

A compact vibratory burrowing probe, particularly beneficial in low gravity space exploration environments, uses lateral or stirring-like vibrations to fluidize a surrounding regolith, thereby decreasing the penetration resistance, and compensating for the light overhead weight to improve the burrowing action of the probe into the surface of the terrain of explored moons, planets, or asteroids. Included is a novel vibratory mechanism capable of imparting the novel lateral or stirring vibration, as well as a more conventionally oriented longitudinal vibration.

The utility model relates to sensible heat recovery equipment field, concretely relates to a kind of molten steel slag sensible heat recovery device based on radiation heat transfer and convection heat transfer, including tank heat exchanger, vertical heat exchange tower and waste heat boiler, tank heat exchanger is used to carry out radiation heat transfer with water and high-temperature molten state steel slag, and high-temperature molten state steel slag is cooled into broken granular medium-temperature solid steel slag, while generating saturated steam;Vertical heat exchange tower is used to receive medium-temperature solid steel slag, and pass into low-temperature exhaust gas discharged by waste heat boiler, and medium-temperature solid steel slag is cooled to target temperature by counterflow heat exchange, while low-temperature exhaust gas is heated to high-temperature exhaust gas;Waste heat boiler uses saturated steam and high-temperature exhaust gas to produce superheated steam, and provide low-temperature exhaust gas.The embodiment of the utility model does not contact water in the process of cooling broken high-temperature molten state steel slag, avoids the problem that a large amount of dust-containing steam is generated by water quenching method, high-temperature steel slag and medium-temperature steel slag are treated in stages, improve heat energy recovery efficiency, while effectively saving water resources.

The invention provides an interlayer microsphere type calibration plate manufacturing method and an interlayer microsphere type calibration plate, and belongs to the field of optical detection calibration devices. The method provided by the invention comprises the following steps: sequentially carrying out ultrasonic cleaning and plasma cleaning on a first glass substrate and a second glass substrate, and blow-drying with nitrogen for later use; the surface of one side of the first glass substrate is coated with microsphere dispersion liquid and then subjected to drying treatment, and granular medium microspheres are fixed to the surface of one side of the first glass substrate; coating an optical binder on the surface of one side of the first glass substrate on which the dielectric microspheres are fixed; the second glass substrate is attached to the first glass substrate coated with the optical adhesive in an aligned mode, and the medium microspheres are packaged in an interlayer formed by the two glass substrates and the optical adhesive; and curing the optical adhesive. According to the manufacturing method and the interlayer microsphere type calibration plate provided by the invention, the problems that microspheres in an existing calibration plate are easy to fall off, the subsurface depth is insufficient and the particle size is single can be solved.

The invention relates to the technical field of surveying and mapping instruments, and discloses mountain topography surveying and mapping integrated equipment based on Beidou positioning, which comprises a surveying and mapping main machine, a pneumatic chassis and a self-adaptive base, a metal ball rotor is arranged at the bottom of the surveying and mapping main machine, and the whole mass center of the surveying and mapping main machine is positioned below the sphere center of the metal ball rotor to form a gravity pendulum bob; a hemispherical cavity matched with the metal ball rotor is formed in the top of the pneumatic chassis, the metal ball rotor is located in the hemispherical cavity, an air hole is formed in the bottom of the hemispherical cavity, and the top of the self-adaptive base is fixedly connected with the bottom of the pneumatic chassis. The self-adaptive base comprises a flexible bag body and a granular medium filled in the flexible bag body, and a pneumatic control unit is arranged in the pneumatic chassis. A flexible capsule body wrapping graded particles serves as a contact chassis, an absolute rigidity anchoring base with the maximum stress area is constructed on the extremely irregular rock surface, and the equipment is endowed with extreme wind vibration resistance and anti-sliding capacity.

The present disclosure relates to the use of abrasive media blasted surfaces (e.g., sandblasted surfaces, bead blasted surfaces, etc.) for reducing the spreading of material(s) migrating (e.g., reducing oil bleed spreading, etc.) from thermal management and / or electromagnetic interference (EMI) mitigation materials (e.g., thermal interface materials (TIMs), EMI absorbers, thermally-conductive EMI absorbers, electrically-conductive elastomers (ECEs), electrically-conductive composites, combinations thereof, etc.) and other polymer-inorganic composite materials used for other purposes. The spreading of material(s) migrating from a composite may be reduced without having to change a formulation of the composite. An exemplary method includes abrasive blasting a surface with abrasive media (e.g., granular media, spherical media, bead-shaped media, other abrasive particles, etc.) such that the abrasive media blasted surface is configured to be operable for reducing the spreading of material(s), if any, migrating from a composite along the abrasive media blasted surface.

The present application relates generally to methods and systems for delivering amendments like sulfate to a subsurface below a ground surface. In one embodiment a process comprises advancing a borehole from the ground surface to the subsurface below the ground surface wherein the borehole is advanced above a water table. The borehole is at least partially filled with a mixture comprising gypsum and a granular media. The borehole is then irrigated with water to at least partially dissolve the gypsum and to spread the dissolved gypsum to a desired treatment zone below the ground surface. The irrigating may comprise employing a gravity fed trickle flow using an irrigation line while the desired treatment zone may comprise one or more hydrocarbons.

The application provides a universal sandstone rock physical modeling method, which comprises the following steps: step 1, collecting and clarifying reservoir data of a target layer in a work area, and determining the geological background of the work area; step 2, calculating the elastic modulus of a non-diagenetic sandstone reservoir based on a granular medium theory model according to logging physical parameters; step 3, calculating the elastic modulus of a strong diagenetic sandstone reservoir based on an equivalent medium theory model according to logging physical parameters; and step 4, constructing a universal rock elastic modulus calculation final equivalent elastic modulus for sandstone. The universal sandstone rock physical modeling method has wide applicability to sandstone and can be used to describe sandstone reservoirs with different porosities and different diagenetic degrees. The universal sandstone rock physical modeling method has wide application value in geophysical exploration and development.

A chemical product production method according to the present disclosure involves: introducing an inert gas into a reactor accommodating a granular medium that contains a fluid material A and an additive B having a pore volume of 0.01 cm3 / g to 10 cm3 / g, inclusive, to cause the granular medium to flow; heating the reactor; and supplying a starting material that contains a plastic to the heated reactor.

The utility model provides a multi-channel replaceable high-pressure granular medium rotary sealing structure which comprises a cylinder body, a cylinder body groove is formed in the cylinder body, a plurality of PTFE sealing rings are arranged in the cylinder body groove, a spring installation groove is formed in one side of each PTFE sealing ring, a journal sticking spring is arranged in each spring installation groove, the cylinder body is installed on one side of a rotating shaft, and the rotating shaft is installed on the other side of the cylinder body. Medium pressure exists between the rotating shaft and the cylinder body, and the journal sticking spring is embedded into the root of the PTFE sealing ring. According to the utility model, pressure is dispersed through multiple seals, so that stable operation can be realized under the working condition of 40MPa; the modular design allows single-point replacement, and the maintenance cost is reduced by 60%; the spring and the pressure act synergistically, and the sealing life is prolonged by two times compared with a traditional structure; the last-stage groove can be additionally provided with an auxiliary seal to adapt to complex working conditions.

The subject matter of this specification can be implemented in, among other things, a method to display a graphical user interface (GUI) of a graphics application, receive a selection of a first granular medium tool (GMT), receive a first input associated with the first GMT, the first input comprising one or more first input values characterizing placement of a first amount of a granular medium (GM) on a virtual drawing canvas, access one or more settings of the first GMT, determine, using the one or more first input values and the one or more settings, a first spatial distribution of the first amount of the GM on the virtual drawing canvas, and display, on the GUI, a first image corresponding to the first spatial distribution of the first amount of the GM.

The invention is a vehicle traction device comprising retractable vanes or any protrusions of a tire (hereinafter referred to interchangeably as vanes) that can be used to assist in vehicle traction by their pressure on a fluid or granular medium such as sand, snow, mud, or loose soil, and / or to harness kinetic energy by the rotation of such a vane in a fluid or granular medium. The main applications are land vehicles that can adapt their tread pattern to conserve energy at low speeds or widen it or equip it with prominent treads when necessary, and also travel through mud or on or in water, such as a motor vehicle, a boat capable of navigating shallow waters, a submarine, or an aircraft capable of landing on a beach or on water.

Devices and methods associated therewith for facilitating movement, removal and / or installation of components from treatment units (e.g., water treatment units and wastewater treatment units). The treatment unit can take the form of a granular media filter (e.g., upflow filter, downflow filter or bi-flow filter) or a sludge collection basin. One preferred device is one or more floats facilitating safe removal of components of a treatment unit. The float(s) can be operably associated with an air scour system of a water filter to remove the air scour system from a granular media filter bed. The float(s) can be operably associated with a collection grid of a sludge collection container facilitating safe removal of the collection grid from the sludge collection container. Another preferred device is a flexible piping / conduit operably connected to a pressurized air source and an air scour system to assist in removal / installation of the air scour system.

Devices and methods associated therewith for facilitating movement, removal and / or installation of components from treatment units (e.g., water treatment units and wastewater treatment units). The treatment unit can take the form of a granular media filter (e.g., upflow filter, downflow filter or bi-flow filter) or a sludge collection basin. One preferred device is one or more floats facilitating safe removal of components of a treatment unit. The float(s) can be operably associated with an air scour system of a water filter to remove the air scour system from a granular media filter bed. The float(s) can be operably associated with a collection grid of a sludge collection container facilitating safe removal of the collection grid from the sludge collection container. Another preferred device is a flexible piping / conduit operably connected to a pressurized air source and an air scour system to assist in removal / installation of the air scour system.

The present application relates generally to methods and systems for delivering amendments like sulfate to a subsurface below a ground surface. In one embodiment a process comprises advancing a borehole from the ground surface to the subsurface below the ground surface wherein the borehole is advanced above a water table. The borehole is at least partially filled with a mixture comprising gypsum and a granular media. The borehole is then irrigated with water to at least partially dissolve the gypsum and to spread the dissolved gypsum to a desired treatment zone below the ground surface. The irrigating may comprise employing a gravity fed trickle flow using an irrigation line while the desired treatment zone may comprise one or more hydrocarbons.

A burrowing apparatus may comprise an anterior segment and a posterior segment coupled by a linear actuator that is configured to extend and contract the distance between the anterior segment and the posterior segment to effectuate horizontal translation of the burrowing apparatus in a granular medium. The anterior segment may further comprise a conical tip. The conical tip may be configured to rotate relative to the anterior segment, and the conical tip may be an auger. The rotation of the conical tip while the linear actuator extends and contracts may create kinetic asymmetry that may be beneficial to the net horizontal translation in the granular medium. The burrowing apparatus may be advantageously used in applications, for example, in geotechnical subsurface investigation, extraterrestrial exploration, underground contamination detection, and precision agriculture.

The invention relates to a hydraulic excavating machinery multi-domain coupling simulation analysis method and system based on multi-software cooperation, and belongs to the technical field of engineering machinery simulation. The method comprises the following steps: respectively establishing a hydraulic model, a mechanical model and a particle model in Amesim, Adams and EDEM; hydraulic-mechanical domain interaction is realized through an FMU interface, and mechanical-particle domain feedback is realized through an ACSI interface; adams is taken as a center, software calculation step lengths are coordinated through a synchronous control module, and closed-loop coupling simulation of three domains under a unified time axis is ensured. The system comprises a hydraulic power module, a mechanical structure module, a particle interaction module, a data interface module, a synchronous control module and a display analysis module. According to the method, the problems of incomplete coupling of multiple physical fields and mismatching of time steps in traditional simulation are solved, the real operation process of the hydraulic excavator in a granular medium can be accurately simulated, and the precision and reliability of dynamic simulation under complex working conditions are remarkably improved.

An additive manufacturing process and device implement the deposition of a material to form a three-dimensional object. The process includes depositing the material in suspension within a stressed granular medium that comprises a granular phase and a gaseous interstitial phase. The granular phase consists solely of a material taking the form of discrete, solid elements that interact in regions of contact therebetween.

A device (1) for moving through a granular medium, the device comprising: a body (2); a rotatable member (4A, 4B) for rotational movement about an axis of rotation (6) relative to the body, wherein the rotatable member is exposed and arranged to cause agitation of an adjacent portion of the granular medium in which the device is to be placed; an electric motor configured to cause the rotational movement of the rotatable member; and a protrusion (8) arranged to extend from the body and limit rotational movement of the body about the axis of rotation relative to the granular medium when the electric motor causes the rotational movement of the rotatable member relative to the granular medium.

The utility model discloses a full-automatic livestock raising shed which comprises a wall body, a plurality of compartments are fixedly connected to the outer wall of the bottom of the wall body, a first filtering assembly is arranged on the outer wall of the bottom of each compartment and comprises a water tank fixed to the outer wall of the bottom of each compartment, and a filtering net and a granular medium filtering net are arranged in each water tank. The bottom of the water tank is in bolted connection with a water conveying pipe, and a first water pump is arranged at one end of the water conveying pipe. A second filtering assembly is arranged on one side of the wall body and comprises a box body, filtering sponge and activated carbon are arranged in the box body, and the filtering sponge is located above the activated carbon. The feeding shed is provided with the first filtering assembly which can preliminarily filter sewage in the compartments, the second filtering assembly can further adsorb tiny impurities and peculiar smell through the filtering sponge and the activated carbon in the box body, and the temperature in the shed is effectively reduced through the heat dissipation assembly.

A device for moving on a granular medium including one or more slopes. The device includes: a body having a front and rear in longitudinal direction; and one or more rotatable parts, each for rotational movement relative to body about respective rotational axis having component aligned with longitudinal direction, and being externally-exposed to adjacent portion of granular medium wherein device is provided. The one or more rotatable parts includes one or more helical fins extending outward from rotational axis, wherein rotation of one or more rotatable parts is configured to cause movement of device on granular medium. A first longitudinal distance between centre of mass of device and front of the body is less than a second longitudinal distance between, expected centre of contact between device and granular medium when device is on flat portion of granular medium, and front of body.

The invention discloses a horizontal contact type rolling contact fatigue and friction wear testing machine, and relates to the technical field of rolling friction wear testing equipment, a main shaft system comprises a main shaft driving piece, a main shaft, a main shaft transmission piece, a torque sensor, a main shaft quick-change head and a main shaft sample; the accompanying shaft system comprises an accompanying shaft driving part, an accompanying shaft transmission part, an accompanying shaft swinging part, an accompanying shaft, an accompanying shaft quick-change head and an accompanying shaft sample; the loading system comprises a loading piece; the medium feeding system comprises a material storage part, a flow divider, a discharging pipe, a first flow dividing pipe and a second flow dividing pipe, by arranging a quick-changing head, a sample can be quickly mounted and dismounted, damage to a main shaft and an accompanying shaft is avoided, the loading system can push an accompanying shaft swing part to rotate so as to achieve horizontal contact and normal contact force application of the sample, and inward rolling is formed at a contact interface; the medium applied by the interface can completely pass through the contact interface; the flow dividing type medium feeding system can achieve accurate medium flow control, and uneven flowing or blocking of particle media is avoided.