67results about How to "Huge market application potential" patented technology

The invention provides a lamellar double-phase high-strength and high-toughness steel and a preparation method thereof, belonging to the technical field of the high-strength and high-toughness steel. The steel has the following chemical components: 0.01-0.5 wt % C, 1.0-10.0 wt % of Mn, 1.0-6.0 wt % of Al, less than or equal to 0.020 wt % of P, less than or equal to 0.02 wt % of S, and the balance being Fe and unavoidable impurities. A preparation technology comprises smelting and solidification of steel, forging or hot rolling and hot continuous rolling of casting blank or casting ingot, and annealing of forged and hot-rolled products. The steel has advantages of easy industrial production, low cost, high strength and high toughness.

The invention provides a method for casting grain structure numerical prediction, and relates to a prediction method of a casting grain structure. The method aims at solving the problems that in existing grain structure numerical prediction, the calculation time is long and the calculation amount is large. The method includes the steps of calculating a dendritic crystal growth kinetics KGT model first, obtaining the dendritic crystal tip radius-dendritic crystal tip growth speed change curve, conducting macro-scale mesh generation on a casting system, only calculating an energy conservation equation for a computational grid (i,j)chan=/0 to obtain temperature field distribution, calculating a momentum conservation equation for a computational grid (i,j)chan=0 to obtain the metal liquid flowing speed in the computational grid, judging whether the computational grid (i,j)chan=0 is located on the solidification front or not, calculating the solidification front temperature gradient and the solidification front movement speed corresponding to the grid if yes, and outputting distribution of a grain growth morphology identification grain in a casting till solidification ends. The method is suitable for casting grain structure numerical prediction.

The invention provides a drill barrel device and a drilling machine, and belongs to the technical field of drilling machines. The drill barrel device comprises a drill barrel body, a drill rod and a sealing part. The drill barrel body is provided with a containing cavity, an opening communicated with the containing cavity is formed in the bottom of the drill barrel body, a positioning part is arranged at the bottom of the drill barrel body, one end of the drill rod is connected with the drill barrel body, a drill bit is arranged at the other end of the drill rod, the drill bit stretches out ofthe containing cavity, the sealing part is rotationally connected to the drill rod, and the sealing part is provided with a drilling blade. By means of the drill barrel device, sediment at the bottomof a pile foundation can be cleaned away, the thickness of the sediment at the bottom can be reduced, the one-time pore-forming rate of the pile foundation is increased, and meanwhile the economic cost is greatly reduced. The drill barrel device is reasonable in structural design, good in overall use effect and high in market application potentiality. The drilling machine comprises the drill barrel device and has all the functions of the drill barrel device.

The invention relates to a self-sealing gear pump. The self-sealing gear pump is characterized in that a suction inlet of an internal thread and a discharge port of the internal thread are positioned on two sides of a pump body, the two end faces of the pump body are perpendicular to a dual-semicircle hole, a front outer end cover and a rear outer end cover cover the two end faces respectively, and the front and rear outer end covers and the two end faces are fastened by end cover screws; a main alloy gear is meshed with a slave alloy gear, the pump body is provided with an internal pressure channel, one end of the internal pressure channel is communicated with a cavity on the back of a compensating disc, and the other end of the internal pressure channel is communicated with a discharge port of the internal thread; composite material compensation discs are arranged between the main alloy gear and the front outer end cover as well between the slave alloy gear and the front outer end cover; and composite material friction discs are arranged between the main alloy gear and the rear outer end cover as well as between the slave alloy gear and the rear outer end cover; and both the composite material compensation discs and the composite material friction discs are made of a composite material formed by Fe/Al intermetallic compound and Al2O3 ceramic, and both the main alloy gear and the slave alloy gear are made of Nb (niobium) micro-alloying high strength powder metallurgy material.

The invention relates to an inoculated alloy grain structure numerical value prediction method, belongs to a grain structure simulation prediction method and aims to overcome the defects that in the prior art, calculation efficiency of a three-dimensional macroscopic field in inoculated alloy grain structure numerical value prediction is not high, and the grain structure cannot be accurately predicted. The inoculated alloy grain structure numerical value prediction method provided by the invention includes the steps that macroscale grid division is performed on a casting system; for all non-casting grids, an energy conservation equation is calculated, and temperature field distribution is obtained; for all casting grids, an energy conservation equation and an ingredient conservation equation are calculated; for the casting grids, a momentum conservation equation is calculated; a cellular automaton method is adopted for grain structure simulation, and the grain structure distribution in a casting at the current moment is obtained; the above steps are repeated till the solid fraction corresponding to all the casting grids is 1; and the grain structure distribution in the casting is output finally. The inoculated alloy grain structure numerical value prediction method is suitable for simulation and numerical value prediction of the inoculated alloy grain structure.

The invention discloses a body-centered cubic alloy microscopic segregation numerical prediction method, and relates to a body-centered cubic alloy microscopic segregation numerical prediction method. The objective of the invention is to solve the problem that the microcosmic segregation formation of the body-centered cubic alloy cannot be accurately predicted by the existing method. The method comprises the following steps: 1, carrying out micro-scale mesh generation; 2, the square grids and the three surrounding grids forming a group; 3, completing dendritic crystal growth; 4, determining the state of the grid; 5, determining a dynamic coefficient; 6, further dividing into four local computational domains; 7, calculating nucleation in a local calculation domain; 8, randomly selecting a certain group of pairing grids in the local calculation domain, and judging whether the group has a nucleation phenomenon or not; 9, capturing four groups of surrounding neighbor pairing grids by the mother core grid; 10, calculating parameters; 11, calculating a solute diffusion equation; 12, repeating step 7-11, and outputting a solute component distribution data file; estimating heat treatment time. The method is used for the field of body-centered cubic alloy microscopic segregation numerical prediction.

The invention provides a transport vehicle and a transport vehicle, belonging to the technical field of transport. The transport vehicle includes a frame, a fixing device and a running device. The middle part of the frame is arched upwards and a loading space for loading goods is formed below. The fixing device is connected to the frame and is used to fix the goods in the loading space. The running device Connect with frame. The transportation vehicle can load the goods under the frame, the overall center of gravity is low, the transportation process is stable, and it will not cause the problem of super height and super width, and because the goods can be loaded and unloaded directly, no lifting equipment is needed, and the loading and unloading Efficiency is significantly improved. The structural design is reasonable and the market application potential is huge. A transport vehicle includes a transport vehicle, which has all the functions of the transport vehicle.

The invention discloses a slow release composite fertilizer for high-tower granulation and a preparation method thereof and belongs to the technical field of fertilizer. The fertilizer is prepared from, by weight, 100-150 parts of urea, 80-100 parts of monoammonium phosphate, 60-80 parts of potassium chloride, 20-40 parts of celestite powder, 10-20 parts of attapulgite powder, 10-20 parts of kieselguhr, 5-15 parts of a medium trace element mixture, 3-5 parts of a synergist and 5-10 parts of an outer-layer coating agent; the outer-layer coating agent is prepared in the mode that polyvinyl alcohol and polyvinylpyrrolidone are subjected to copolymerization, and then biomass charcoal is added. According to the slow release composite fertilizer, nanosilicon dioxide is added as the synergist, and through cooperation of the synergist and a coating material, an obvious slow release effect of the fertilizer is achieved. The prepared fertilizer is safe, environmentally friendly, has an obvious fertilizer efficiency, capable of achieving high tower granulation, low in cost and high in efficiency and has high market application potential.

The invention provides a noodles stirring device and a noodles cooker and belongs to the technical field of food processing. The noodles stirring device comprises: a pot having a first receiving cavity for boiling noodles; a filter box having a second receiving cavity communicated with the first receiving cavity; a stirring and water outgoing pipe connected with the pot and including a water incoming end and a water outgoing end communicated with each other, wherein the water outgoing end is positioned in the first receiving cavity; a pump for pumping a liquid in the second receiving cavity to the water incoming end. Boiling water in the pot can be discharged from the water outgoing end through the filter box, the pump and the mixing and water outgoing pipe; the boiling water sprayed from the water outgoing end can stir the boiling water in the pot under the pressurizing action of the pump; the whole process has no need for manual stirring, natural spraying of the water never causes damage to noodles, and the service effect is good. The noodles stirring device has reasonable structural design and great market application potential. The noodles cooker comprises the noodles stirring device and has all functions of the noodles stirring device.

The invention discloses a grain structure numerical prediction method in a metal rapid prototyping process, solves a problem of large calculation amount during grain structure simulation in an energydeposition rapid prototyping process in the prior art and belongs to the technical field of rapid metal prototyping. The method comprises steps of S1, determining a computational domain of the air anda substrate, and carrying out macroscopic mesh generation of the computational domain to obtain changes of a temperature field and a liquid phase fraction field of each macroscopic mesh in a direct energy deposition rapid prototyping process; S2, according to the obtained changes of the temperature field and the liquid phase fraction field, dividing each macroscopic grid into a plurality of microcosmic grids, constructing the morphology of a molten pool, specifically, the information of the morphology comprises the number of crystalline grains of the non-molten part of a substrate, whether the microcosmic grids are molten or not in the direct energy deposition rapid prototyping process, epitaxial growth and the number of epitaxial growth cores; and S3, simulating the numerical value of the grain structure in the direct energy deposition rapid prototyping process according to the temperature of each micro grid in the direct energy deposition rapid prototyping process and the information of the morphology of the molten pool.

The invention provides centrifugal washing equipment and a centrifugal washing method, and belongs to the technical field of microorganism centrifugal washing. The centrifugal washing equipment comprises a rack, a first sliding part, a first driving part, a second sliding part, a second driving part, a connecting part, a mechanical clamping hand, a third driving part, a centrifugal machine, a waste liquid pouring device, an injecting device, a vibration table and a control device, wherein the first sliding part is slidably connected to the rack along a first axis; the first driving part is connected with the rack and is used for driving the first sliding part; the second sliding part is slidably connected to the first sliding part along a second axis; the first axis is horizontally arranged; the second axis is vertically arranged; the second driving part is connected with the first sliding part and is used for driving the second driving part. The centrifugal washing equipment can automatically complete the centrifugal washing process, so that the labor intensity is greatly reduced, the work efficiency is obviously improved, and the centrifugal washing equipment is simple in structure, reasonable in design, relatively low in investment cost, high in practicability and huge in market application potential.

The invention relates to polymethacrylimide foam plastic and a preparation method thereof and belongs to the field of macromolecular materials. The polymethacrylimide foam plastic is prepared by mixing materials, polymerizing and foaming; the materials include, by weight, 30-150 parts of acrylonitrile, 20-150 parts of methacrylic acid, 0.1-6 parts of third monomer, 0.1-5 parts of nitrogen-substituted maleimide, 0.04-4 parts of azo-initiator, 0.04-8 parts of peroxy-initiator, 0.05-6 parts of a crosslinking agent, 0.8-25 parts of a foaming agent, 0.2-5 parts of a nucleating agent, 0.3-8 parts of a release agent, and 0.2-6 parts of an aid. The polymethacrylimide foam plastic has low cost and high cost performance, and may meet the requirement on the application of composite core materials from different processes and with different properties; in addition, the invention also relates to the preparation method of the polymethacrylimide foam plastic; the preparation method is simple, easy to perform, and good in effect.

The invention provides a viscosity reduction polycarboxylic acid water reducer and a preparation method thereof. The viscosity reduction polycarboxylic acid water reducer is a polymer taking unsaturated carboxylic acid, unsaturated polyalkoxylated ether and allyl or methyl allyl modified linear phenolic resin as co-monomers. The linear phenolic resin serving as the co-monomer is added into the viscosity reduction polycarboxylic acid water reducer, an aromatic nucleus structure can be introduced into the polycarboxylic acid water reducer, so that the adsorption efficiency and the adsorption thickness of cement particle surface polymer molecules can be effectively improved, the space stabilizing effect of the water reducer can be more remarkable, and the viscosity reduction polycarboxylic acid water reducer has obvious viscosity reduction effects and is simple in preparation method, strong in operability, low in energy consumption, low in cost and huge in market application potential.

The invention provides a stomach tube and a nasal feeding device, and belongs to the technical field of medical apparatus. The stomach tube includes a stomach tube body, the stomach tube body is provided with an entry end and an exit end for stretching into a gastral cavity, the outer side of the stomach tube body is arranged with an umbrella-shaped stopper and a first pressure sensor, the umbrella-shaped stopper includes an expansion portion and a connecting portion which is connected with the stomach tube body, the stomach tube body has a first state where the expansion portion is shrunk so that the gastral cavity can communicate with an esophagus, and the stomach tube body also has a second state where the expansion portion is expanded so that the gastral cavity can be separated from the esophagus. The stomach tube can receive pressure signals in the gastral cavity by the first pressure sensor to control the shrinkage or expansion of the expansion portion, and the reflux phenomenon is avoided. The stomach tube has a high comfort level when used, is reasonable in structural design and compact in mechanism, and has great potential in market application. The nasal feeding device includes the stomach tube and has all functions the stomach tube has.

The invention discloses a silicon controlled rectifier adjusting circuit of a high-voltage lamp strip. The silicon controlled rectifier adjusting circuit comprises a live wire input end, a zero line input end, a full-bridge rectification module, a first group of LED circuit modules, a second group of LED circuit modules, a third group of LED circuit modules, a first silicon controlled rectifier chip, a second silicon controlled rectifier chip and a third silicon controlled rectifier chip. The lamp strip comprises a plurality of minimum lamp strip units, the minimum lamp strip units are arranged in parallel, and each minimum lamp strip unit comprises the silicon controlled rectifier adjusting circuit of the high-voltage lamp strip in any embodiment. According to the silicon controlled rectifier adjusting circuit of the high-voltage lamp strip, the defects of the application of an existing LED lamp strip are overcome, an external large-size power supply is removed, and the LED lamp stripis directly connected to the mains supply for use, so that the LED lamp strip is free of driving, the installation difficulty is reduced, and the silicon controlled rectifier adjusting circuit of thehigh-voltage lamp strip can be well applied to a narrow space and is not limited by the size and power adaptation of the power supply. The silicon controlled rectifier adjusting circuit of the high-voltage lamp strip is compatible with the existing silicon controlled rectifier dimming circuits, and saves the application cost.

The invention provides a clamp and a clamping device, and belongs to the technical field of detection. The clamp comprises a clamp body, a restoring piece and two clamping pieces, wherein each clamping piece is provided with a connecting end and a clamping end, the two clamping pieces are crossed and hinged, the connecting ends can be rotationally connected to the clamp body and the connecting ends of the two clamping pieces can be close to or far away from each other, each clamping end is located at one end, away from the clamp body, of each clamping piece, the hinge part of the two clamping pieces is located between the connecting ends and the clamping ends, the clamping ends of the two clamping pieces are matched to form a clamping part for clamping objects, and the restoring part is connected with the clamping pieces and makes the two clamping ends have a moving tendency towards each other. The clamp can clamp the aluminum profile through the two clamping pieces. According to the clamp, the design is reasonable, the clamp can help a user to quickly measure the aluminum profile, the overall using effect is good, the mechanism of the clamp is compact, and the market application potential is huge. The clamping device comprises the clamp and has all the functions of the clamp.

The invention provides a lotus root digging machine and a lotus root digging method, and belongs to the technical field of lotus root digging equipment. The lotus root digging machine includes a floatbarrel, a frame, a sensor assembly, a working pipeline, a drive member and a lotus root digging assembly. The float barrel is of a round shape. The frame is connected to the float barrel. The sensorassembly includes a first sensor, a second sensor, a third sensor and a fourth sensor. The first sensor, the second sensor, the third sensor and the fourth sensor are evenly disposed on the sides of the float barrel, the working pipeline is provided with an accommodating cavity, a rotating part is arranged in the middle of the working pipeline, the rotating part is rotatably connected to the frame, and the bottom of the working pipeline is provided with a plurality of nozzles communicated with the accommodating cavity. The lotus root digging machine can automatically dig lotus roots, greatly reduces the labor strength, greatly reduces the cost of digging the lotus roots, and is suitable for large-scale planting in a lotus root field. The lotus root digging machine is designed rationally and has a great market potential. Through the lotus root digging method, efficient and high-quality digging work of the lotus roots can be achieved.

The invention provides a massager and a foot bath bucket and belongs to the technical field of health products. The massager comprises a housing, an isolation layer and a massage device, wherein the housing comprises a first containing cavity; the isolation layer is connected with the housing, and the first containing cavity is separated into a first cavity used for containing the massage device and a second cavity used for human body massage; the massage device comprises a base, a rotating disc and a power source; the base is connected with the housing; the rotating disc is rotationally connected to the base around a first rotating axis; a heating element and multiple massage bulges are arranged on one side, which is far away from the base, of the rotating disc; the multiple massage bulges are connected with the rotating disc and distributed around the rotating axis of the rotating disc; partial or total massage bulges are made of jade. The jade is heated by the heating element, so that far infrared rays beneficial to the human body can be generated, the functions are diversified, the requirements of users can be met, and the overall using effect is excellent. The foot bath bucket comprises the massager and has total functions of the massager.

The invention provides a noodle cooker and noodle cooking equipment and belongs to the technical field of food processing. The noodle cooker comprises a cooker body, a pot, noodle leakage bracket, a noodle leakage unit, a relay, a temperature control switch, a heating system, a first power supply, a second power supply and a control switch which is used for controlling the heating system to heat noodle cooking water; the cooker body is connected with the pot, and the pot is provided with a first containing cavity used for containing the noodle boiling water. The noodle cooker is high in automation degree, simple in operation and good in overall use effect; energy consumption is low, and noodles cooked are good in taste through accurate time control; the entire noodle cooker is ingenious in design, simple in operation and large in market application potential; the noodle cooking equipment comprises the noodle cooker and has all the functions of the noodle cooler.

A horn nozzle anti-loosening apparatus and an anti-loosening method. The apparatus comprises a first lock body (1) and a second lock body (2) with semicircular cylindrical inner walls; locking components arranged on the first lock body (1) and the second lock body (2); locking rings (4) arranged on the inner walls of the first lock body (1) and the second lock body (2); a communicating joint (9) that matches the inner walls of the first lock body (1) and the second lock body (2); a horn nozzle (8) connected to the communicating joint (9); and anti-slip pads (6) installed on the inner walls of the first lock body (1) and the second lock body (2). An installation slot is formed between a front end of the communicating joint (9) and a horn side wall (82); or a bump (81) is arranged on the horn mouth, and an installation slot is formed between the bump and the horn side wall (82) or the front end of the communicating joint (9). The installation slot is used for clamping the lock rings (4). The anti-loosening method corresponds to the horn nozzle anti-loosening apparatus. The horn nozzle anti-loosening method and the apparatus are convenient and useful, and can effectively prevent an electrical device losing its explosion-resistance protection due to a horn nozzle being loosened by hand or by means of a non-specific tool.