58 results about "Granular material" patented technology

The application provides a device and method for testing the heat conduction characteristics of granular materials, and relates to the field of geotechnical engineering, which comprises a probe body, a cylinder, a lower support platform, an upper support platform and a tamping device; the lower support platform and the upper support platform are respectively threadedly connected with the cylinder; a reserved hole column is installed at the top center of the lower support platform; the tamping device comprises a vertical pipe, a pressure plate, a plug and a lower tamping hammer; the outer diameter of the pressure plate is smaller than the inner diameter of the cylinder; a connecting hole with a wide top and a narrow bottom is formed at the center of the pressure plate; the top end of the connecting hole is threadedly connected with the bottom end of the vertical pipe; the plug is a T-shaped column structure, the outer diameter of the horizontal part of the plug is larger than the outer diameter of the reserved hole column and smaller than the inner diameter of the top end of the connecting hole; the outer diameter of the vertical part of the plug, the inner diameter of the bottom end of the connecting hole and the outer diameter of the reserved hole column are the same and are not larger than the inner diameter of the vertical pipe; the lower tamping hammer is sleeved on the vertical pipe; the application can effectively avoid the defects existing in the heat conduction characteristic test of the sample by using the drilling method.

This invention discloses a multi-mode processing method for friction stir deposition modeling driven by cascaded electric spindles. Based on a cascaded electric spindle-driven friction stir deposition modeling die head, the die head includes a screw shaft, a first electric spindle, and a second electric spindle that drives the screw shaft to rotate; a material conveying assembly including a storage box cover and a storage cavity formed by a specific inlet and a specific first outlet; and a stirring extrusion tool, wherein the first electric spindle includes a first hollow mandrel. This invention employs a compact coaxial cascaded electric spindle design, integrating the force transmission, heat transfer, and material transfer functions of the innovative hollow electric spindle into one unit, exhibiting modular characteristics. This overcomes the current additive manufacturing process where granular materials cannot be processed using a stirring tool in a coaxial friction stir process. Based on a circumferentially distributed multi-material conveying assembly design within the electric spindle assembly, this invention features material openness, enabling friction stir deposition modeling of multiple materials or gradient materials.

The present application relates to the technical field of intelligent warehousing, and particularly relates to a granular material automatic output device, which is characterized in that a sand raking roller device is arranged in front of a spiral material shovel hopper to assist the spiral material shovel hopper in the shovel operation of fine granular material, so as to avoid shovel difficulty and even damage of the spiral driving motor; the discharge hopper is configured as two parts that can rotate relative to each other, the upper part component rotates with the secondary climbing belt conveyor, the lower part component moves along the horizontal belt conveyor, the discharge opening of the discharge hopper is always at the rotation center of the secondary climbing belt conveyor relative to the horizontal belt conveyor, the horizontal belt conveyor receives the falling material at a constant position and with uniform stress, so as to avoid the limitation of movement of the device with walking and shovel functions; the discharge hopper on the horizontal belt conveyor is positioned by a discharge hopper laser positioner, and then the angle measured by a discharge hopper angle encoder and a traction hole angle encoder is used to accurately solve the position of the device with walking and shovel functions.

The application discloses a composite prevention and treatment structure for preventing soft soil and miscellaneous fill from interpenetrating and a construction method, and belongs to the technical field of foundation treatment. The structure is arranged between a soft soil layer and a miscellaneous fill layer and sequentially comprises, from bottom to top, a lower layer isolation unit composed of a geocell filled with granular materials and forming a flexible raft support, a microbial cementation unit including a three-dimensional microbial carrier layer and microbial mineralization products planted in the three-dimensional microbial carrier layer, and an upper layer constraint unit adopting a geogrid and a mechanical interlocking with the miscellaneous fill. Through the synergistic effect of physical isolation and biological cementation, the calcium carbonate crystals generated by MICP are used to block the interface micro-pores, and the macro-reinforcing function of the geosynthetic material is combined, so that the interface fine particle loss and interpenetration deformation problems are effectively solved. The application has the advantages of high shear strength, good reinforcement uniformity, green environmental protection, strong puncture resistance and the like, and can significantly improve the long-term stability of a complex foundation.

This utility model relates to the field of quantitative feeding technology and discloses a quantitative feeding device for granular materials, including a supporting base plate. Two support rods are fixedly connected to the top of the supporting base plate, and a material hopper is fixedly connected to the top of the two support rods. A discharge port is provided at the bottom of the material hopper. A rotating hole is opened at the top of the supporting base plate, and a rotating shaft is rotatably connected within the rotating hole. A first synchronous wheel is fixedly connected to the bottom surface of the rotating shaft, and a receiving tray is fixedly connected to the top of the rotating shaft. The receiving tray has four square holes, and a mounting frame is fixedly connected to the bottom of the supporting base plate. Through the cooperation of the square holes on the receiving tray with the discharge port and the discharge hole, and the intermittent rotation of the receiving tray driven by a stepper motor, a single quantitative feeding is achieved with each rotation. The volume of the square holes determines the amount of material fed in a single operation, providing a stable and accurate supply of raw materials for processes such as woven bag production, ensuring product quality and efficiency.

The application relates to a kind of methods for establishing elastic-plastic constitutive model based on neutral loading of granular material, comprising: using discrete element stress probing test to analyze the incremental stress-strain response of granular material under neutral loading condition;According to the strain response envelope of different states, under the framework of critical state theory, the plastic flow direction, plastic modulus and shear dilatancy coefficient suitable for the neutral loading condition are derived, and the constitutive model is constructed;The predictive ability of the constitutive model constructed under the neutral loading condition is verified by simulating stress probing test and principal stress axis rotation test.The beneficial effects of the application are that the application can accurately predict the plastic strain, shear dilatancy coefficient and plastic flow direction of granular material under the neutral loading condition, and solve the problem of inaccurate prediction of traditional models under the neutral loading condition.

This invention provides a powder / granular material switching damper that can manually split powders and granular materials into two directions, and is made of fluororesin, eliminating the risk of contamination. [Solution] The device comprises a main body with an inlet and outlet for powder and granular material formed on its outer circumference, with both openings of a cylindrical member closed by closing plates and covered with a lid, a shaft that penetrates the center of the main body and has both ends fixed to each of the closing plates, a rectangular plate-shaped member that radially closes the space from the shaft to the inner surface of the cylindrical member, a switching plate that is pivotally supported and slides along the inner surface, and a fixing plate that is screwed to each of the closing plates and fixed to the inner surface, the inlet is formed in a cylindrical shape on the opposite side from where the fixing plate is fixed, and the outlet is formed in a cylindrical shape on both sides of where the fixing plate is fixed, and one side of the lid has a handle for rotating the switching plate.

A granular dampening component for use with an earth-boring tool that includes an inner portion and an outer portion that at least partially surrounds the inner portion. A granular material is disposed between the inner portion and the outer portion. The granular material configured to transfer torque from the outer portion to the inner portion and configured to dissipate energy based on differential motion of the granular material.

This invention relates to the field of interfacial friction testing technology for particulate materials, and provides a device and method for measuring the static and dynamic friction coefficients of irregular particulate materials. The method includes: obtaining static and dynamic friction forces based on the effective friction torque, the time interval during which the tip of the Reuleaux triangular grinding ring sweeps against the bottom of the square constraint cavity, and the stable time interval during which the long arc end of the Reuleaux triangular grinding ring sweeps against the bottom of the square constraint cavity, and then obtaining the static and dynamic friction coefficients. The device and method of this invention should be able to simulate the compaction, embedding, sweeping, and restarting processes of particulate materials within a confined gap, obtaining static, dynamic, static, and dynamic friction forces, and the static and dynamic friction coefficients within the same particle placement state and the same test cycle. It also possesses multi-condition testing capabilities, including atmospheric pressure without liquid, atmospheric pressure with liquid or drilling fluid, and vacuum without liquid, thereby providing a basis for evaluating the anti-slip ability, anti-migration ability, environmental sensitivity, and wellbore reinforcement suitability of particulate materials.

A device for mixing at least two granular materials has a first lifting tube used for loading first particles and a second lifting tube surrounding and coaxial to the first lifting tube and used for loading second particles. The upper part of said first lifting tube extends beyond the top of said second lifting tube, and at least part of the upper part of the first lifting tube and at least part of the upper part of the second lift tube are located inside a fast bed precipitator, allowing the first and second particles to be transported by means of the first and second lifting tubes to the interior of said fast bed precipitator and mixed.

This invention discloses a method and apparatus for simulating the uplift process of ancient uplifts based on discrete element method (DEM) calculations. The method includes: determining the maximum slope of the fitted curve equation based on the upper boundary of the ancient uplift, thereby determining the initial overlap ratio of the particles; filling a rectangular box model of a second specified size with particles of a first specified size, ensuring the bottom particles have an initial overlap ratio, to obtain a first DEM model; determining the microscopic parameters of the granular materials of each stratum simulated using the first DEM model through biaxial compression experiments; setting the parameters of the first DEM model using the microscopic parameters of the granular materials and strata information to obtain a second DEM model; calculating the uplift vertical velocity of each particle at the bottom of the model based on the vertical velocity of the specified particles and the maximum value of the fitted curve; and simulating the uplift process of each particle at the upper boundary of the ancient uplift according to its uplift vertical velocity. This invention can simulate the uplift process of ancient uplifts with different geometric shapes.

The application relates to the field of retail equipment, and particularly discloses a vending device based on a gravity box, which is characterized by comprising a vending device; the vending device comprises a barrel body, the barrel body is arranged above a base, and an inner cavity of the barrel body and the base form a sealed space; an air extraction assembly, a weighing assembly and a material guiding assembly are arranged at the bottom of the base; the air extraction assembly is communicated with the inner cavity of the barrel body to extract vacuum in the inner cavity of the barrel body; the weighing assembly weighs the barrel body and monitors weight change of the barrel body; and the material guiding assembly is communicated with the inner cavity of the barrel body to quantitatively guide materials in the inner cavity of the barrel body out according to the weight change of the barrel body. The barrel body of the application is extracted vacuum to form a sealed space, oxygen and moisture are isolated, the storage period of high-sensitivity materials in the barrel body is prolonged, and the problems that powdery / granular materials are prone to be blocked due to dampening and caking and are difficult to be quantitatively output are avoided.

The invention relates to a rod basket classifier (100) for classifying granular material, comprising an outer housing (101) which is divided into a first, upper part (102) of the housing (101) and a second, lower part (103) of the housing (101), wherein the first, upper part (102) of the housing (101) has an outer annular chamber (104), a static rod basket (105) arranged therein, and a dynamic rod basket (106) driven to rotate within the static rod basket (105), wherein the dynamic rod basket (106) is closed at the bottom by a closed bottom (107), and wherein an inner annular space (108) is provided between the static rod basket (105) and the dynamic rod basket (106), which is open at the bottom, and the second, lower part (103) of the housing (101) has an outer flow channel (109) which is connected to the outer annular chamber (104) and has a funnel (110) included therein, preferably conical,the upper edge of the opening (111) extends to the static viewing basket (105), so that the inner annular space (108) is connected to the funnel (110) with its lower opening (112), the funnel (110) having a conduit (113) to the outside. According to the invention, ventilation openings (115) are provided in a wall (114) of the funnel (110) distributed around its circumference, each of which is connected to a corresponding channel (116) which leads through the outer flow channel (109) to an outer wall (117) of the second, lower part (103) of the housing (101). The invention further relates to a circulating grinding system and a method using the rod basket classifier.

The invention relates to the technical field of semitrailers, in particular to a new energy driven particle powder material transportation semitrailer which comprises a data acquisition system, a data analysis system, a control system and a correction system. The data acquisition system acquires a parameter set and road condition information; the data analysis system judges a dominant abnormal state based on the pressure gradient and the electrification rate, and judges a recessive abnormal state based on the response amplitude; the control system adjusts torque distribution of a driving shaft or suspension damping based on the cooperation coefficient during dominant abnormity, and adjusts the suspension height and / or in-tank auxiliary vibration frequency based on the response damping ratio during implicit abnormity; and the correction system calculates the comprehensive change rate after the primary adjustment, and dynamically adjusts the preset comprehensive change rate in combination with the road condition information to judge whether the secondary adjustment is performed or not. According to the method, explicit and implicit abnormity accurate identification and secondary adjustment optimization in the particle powder material transportation process are achieved, and the transportation safety and the material fluidity are effectively improved.

This invention relates to the field of material conveying, and more particularly to a granular material grading and conveying device. The granular material grading and conveying device includes a compressed air source tank, a support frame, a discharge tank, a separating mechanism, and a vibration component. The compressed air source tank is located on the left side of the support frame, the discharge tank is located on the upper right side of the support frame, and a separating mechanism for separating three raw materials according to their diameter is located at the lower right side of the support frame, situated at the bottom of the discharge tank. A vibration component for vibrating the material is installed within the separating mechanism. This invention uses a separating box divided into three zones and a three-way pusher plate to move the material, which sequentially passes through a primary filter and a secondary filter to complete the separation. This solves the problems of difficult cleaning and severe stratification and grading caused by unequal particle sizes, thereby meeting the requirements of positive pressure dense phase conveying systems and achieving the goal of transforming and upgrading intelligent production.

The utility model provides a kind of anti -blocking type filter press feed structure, it is related to filter press feed technical field, including: filter press main body, feed pipe, feed pipe is connected in the feed inlet of filter press main body, adjusting mechanism, adjusting mechanism includes adjusting assembly, drive assembly and limit component, adjusting assembly is equipped with multiple groups, and each group adjusting assembly includes rotating piece, link rod and first bevel gear, link rod rotates and penetrates the one end of feed pipe, first bevel gear is fixedly connected on the circumferential surface of link rod, rotating piece is fixedly connected on the one end of link rod, drive assembly is used to control first bevel gear rotation, limit component is used to fixed drive assembly, the design is accurately adjusted feed flow, effectively solve the problem that traditional feed structure in background art causes high viscosity or large granular material to jam due to unable dynamic control flow, significantly improve the stability and efficiency of filter press operation.

A consumable for use with an aerosol provision device. The consumable includes an outer tube, an inner member inside the outer tube, and at least one support that supports the inner member relative to the outer tube so that at least one air gap exists between the inner member and the outer tube. The consumable includes an aerosol generating material that is heatable to generate aerosol in the at least one air gap and a layer of granular material that is provided between the outer tube and the inner member.

The present invention relates to a vertical gravity feed device for granular material, comprising an inlet, an outlet arranged vertically below the inlet, in particular a first passage cross section of the inlet being larger than a second passage cross section of the outlet, a process chamber arranged between the inlet and the outlet, the process chamber being configured to receive the granular material and to carry out a process on the granular material in the process chamber, and at least one disruptive element arranged in the process chamber, the disruptive element being configured to set a flow speed of the granular material in the process chamber.

The utility model discloses a high -purity aluminium oxide magnetic device for polishing, include: box, feed port, processing mechanism, blanking box, the top surface middle part of box is installed with feed port, the both sides of feed port are linked with the inside both sides of box, the front -end and rear -end of feed port are all with the integral type composition of box, and the movement of granular material is located, the inside both sides of box all are installed with processing mechanism, and the initial end of processing mechanism is the inside both sides of box, and the discharge end is towards the inner middle part of box, and the blanking box is installed below the discharge end, the top surface and the bottom of blanking box are all open type setting, the utility model provides a high -purity aluminium oxide magnetic device for polishing solves the device of existing device due to its in the operation process, and the same feed part can only correspond to the single -pass magnetic mechanism, leads to the efficiency reduction in this process, and then will influence the overall processing efficiency, is not favorable to actual use.

This utility model provides a material collection and dispensing component and a dispensing device, relating to the field of dispensing structure technology. Suitable for installation below a hopper mechanism, it includes: a collection funnel, the collection funnel comprising a collection chamber and a material discharge channel, wherein the collection chamber is adapted to be placed below the hopper mechanism to simultaneously receive granular material falling from the hopper mechanism and to collect all granular material into the material discharge channel for discharge; a packaging box is adapted to be placed below the material discharge channel to receive the collected granular material. This solution optimizes the structure and improves the efficiency of material dispensing.

Embodiments of the present application provide a granular material non-recurrent history coding elastic-plastic constitutive method and system, which obtains the complete strain history sequence of the granular material from the initial to the current, and inputs the resampled sequence into the history encoder to generate a low-dimensional history state vector in a non-recurrent one-time coding manner. Secondly, a constitutive decoder, a state evolutioner and a physical state encoder are constructed: the constitutive decoder maps the low-dimensional history state vector into current mechanical state variables satisfying the elastic-plastic mechanics criterion; the state evolutioner predicts the updated history state based on the current history state and strain increment; and the physical state encoder reversely maps the mechanical state back to the latent space, forming a bidirectional mapping closed loop between the physical state and the latent state. Finally, a fusion training loss function is established, and the encoder, the decoder, the evolutioner and the physical encoder are jointly trained by using the loss function, and finally the elastic-plastic constitutive model of the granular material is obtained.

The phosphorus in the sludge is thought to be the cause of the formation of hard granular material and adhesion inside the dryer during the drying process, but no measures were taken to suppress this effect. [Solution] The present invention is a sludge drying system or sludge drying method that solves the problem by receiving the sludge into corresponding storage tanks according to the phosphorus content in the sludge, leveling out the phosphorus content, and performing a drying treatment.

The present invention relates to a shut-off arrangement for metering a medium, in particular a granular material (2), comprising a housing, in particular a tubular one, with an inlet and an outlet, a balloon valve (4) which is arranged in the housing (3), wherein the balloon valve (4) comprises an inflatable sealing element (40) made of a flexible material, a sealing area (9) between an inner wall (30) of the housing (3) and the sealing element (40), wherein the sealing element (40) is inflatable in such a way as to come into contact with the inner wall (30) of the housing in order to enable a seal on the inner wall (30).

A singulating device (140) for singulating granular material comprises a base part (1401), a singulating part (1407) which is rotatable relative to the base part and which has a plurality of through-holes (14073) for receiving individual granules from said granular material with the ad of a pressure difference between opposite sides of the singulating part (1407), a closure part (1408) which is rotatable relative to the base part and which is attachable to the singulating part (1407), in order to form a closable space, such that the closure part (1408) is rotatable together with the singulating part (1407), and a motor (1409) for driving the closure part (1408) and the singulating part (1407). The singulating part (1407) is idly rotatably supported on the base part (1401). A drive shaft (14092) driven by the motor (1409) can be coupled to a driver arrangement (1408, 1413), in order to cause the driver arrangement to rotate. The singulating part (1407) is drivable by rotation of the driver arrangement (1408, 1413).