64results about How to "Unlimited types" patented technology

The invention belongs to the technical field of convertor steelmaking, and provides a convertor steelmaking method capable of reducing slag quantity. The process flow disclosed by the invention is circular process flow starting with step of protecting a furnace by slag splashing and ending with the step of remaining slag in the furnace. The process flow specifically comprises the following eight stages: protecting a furnace by slag splashing; curing liquid slag in the furnace; adding scrap steel; adding molten iron; blowing-dephosphorizing at a first stage; deslagging in the middle; blowing-decarbonizing at a second stage; tapping; and remaining slag in the furnace. Compared with the conventional convertor steelmaking process, the convertor steelmaking provided by the invention has the beneficial effects that lime consumption is lowered by 40.5%, light-roasting dolomite consumption is lowered by 76.8%, and the total consumption of the lime and light-roasting dolomite is lowered by 55.5% on the premise that phosphorus content at the end point is not more than 0.015%.

The invention discloses a dielectric barrier discharge non-equilibrium plasma spark plug for an internal combustion engine, and belongs to the field of internal combustion engine combustion. An inner electrode of the spark plug is arranged at the center; an ionization cavity is formed in a space between the lower part of a first insulating layer and the lower part of the inner electrode; a bulge is arranged on the surface of the inner electrode positioned in the ionization cavity. A small amount of combustible gas mixture is pressed into the ionization cavity during compression stroke, and the combustible gas mixture is ionized to form non-equilibrium plasma. The formed non-equilibrium plasma has high chemical activity, rushes out from the ionization cavity, enters combustion chamber space, stimulates gas mixture positioned in the combustion chamber space through the high activity of high-energy electron, and begins chain reaction. The non-equilibrium plasma is widely distributed in the combustion chamber space, so that space multi-point ignition is realized. The spark plug can improve the ignition energy of a spark ignited engine, improves the combustion stability and the emission performance of a lean-burn engine, and expands the lean burn limit of the engine, thereby improving the economical efficiency of the engine.

The invention discloses a carbon micron tube filling polymer oil-containing friction material for an ultrasonic motor and a preparation method thereof and particularly relates to an oil-containing friction material taking a carbon micron tube as an oil-containing carrier and applied to a traveling wave ultrasonic motor so as to solve the problems that stable operation of an ultrasonic motor is hard to guarantee by existing dry friction materials, the porous-structure friction material has bad elasticity and the oil content, elasticity modulus, hardness and contact deflection of the oil-containing friction material taking polyimide as a substrate are hard to adjust in a large range and the application of the ultrasonic motor is limited. The oil-containing friction material comprises the following components in percentage by mass: 45-80% of polymer substrate, 10-30% of friction regulator and 1-30% of carbon micron tube; and the preparation method comprises the following steps: 1) preparing a final mixture; 2) performing compression moulding to obtain a moulded object; 3) sintering the moulded object; 4) preparing a platy friction material; and 5) preparing the carbon micron tube filling polymer oil-containing friction material for the ultrasonic motor. The invention belongs to the field of oil-containing material preparation.

The invention relates to supersonic vibration-assisted laser cladding composite processing equipment. Supersonic vibration is synchronously exerted on a matrix sample in a laser cladding process; the crack sensitivity of a laser cladding layer is reduced; and the tissue is refined. The laser cladding composite processing equipment is characterized in that 1 the composite processing equipment comprises a test block (1), an amplitude-change pole (2), a flange (3), a transducer (4), a cooling fan (5), an upright post bracket (6), a cable wire (7) and an ultrasonic generator (8); 2 a base plate is a flat test block; preheating is not required before treatment; and slow cooling is not required after treatment; 3 the variety of cladding powder is not limited; 4 the test block (1) is connected with the amplitude-change pole (2) through bolts; 5 the cooling fan (5) is used for discharging heat generated when the device works; and 6 the ultrasonic generator (8) is connected with the transducer (4) through the cable wire (7); and ultrasonic vibration is transmitted to the test block (1) through the amplitude-change pole (2). The supersonic vibration-assisted laser cladding composite processing equipment is high in processing efficiency, simple to operate, and free of pollution to environment, and a cladding layer which is free of a crack in surface and fine in internal texture is obtained.

The invention provides an intelligent novel retail terminal system and a selling method thereof. The terminal system comprises a terminal cloud management platform, multiple e-commerce platforms, andmultiple intelligent containers. The multiple e-commerce platforms are connected with the terminal cloud management platform; the terminal cloud management platform is connected with the multiple intelligent containers. The invention also comprises a selling method of the intelligent novel retail terminal system. The invention can realize the current purchase of cabinets, the pre-sale of cabinets,online shopping and the pre-sale of online shopping, forming a deep integration of online and offline services, opening up community self-service delivery, the types of products for sale are not limited, both the pre-sale of counters and the current purchase of counters can be paid online, which is safe, convenient and self-service.

Provided is a hose joint by which an insertion position of a front end of a hose is stabilized to thereby enhance the sealing efficiency and a disconnecting strength between the outer surface of a nipple and the hose. When the hose (H) is inserted, the inner diameter of an inlet portion (3a) of an expandable and contractible sleeve (3) opposed to a decreasing diameter portion (1a2) is set to be larger than the outer diameter of the hose (H) which is inserted along the decreasing diameter portion (1a2) of a bulged portion (1a), whereby the front end of the hose (H) is smoothly introduced between the expandable and contractible sleeve (3) and the decreasing diameter portion (1a2) without causing the front end of the hose to butt against the inlet portion (3a) of the expandable and contractible sleeve (3) and can be inserted to a predetermined position. Thereafter, when pressed by a pressing surface portion (2b) in accordance with the axial movement of a fastening tool (2), the inner diameter of the inlet portion (3a) of the expandable and contractible sleeve (3) is set to be smaller than the outer diameter of the hose (H) inserted along the decreasing diameter portion (1a2) of the bulged portion (1a), whereby the hose (H) is held between the inlet portion (3a) of the expandable and contractible sleeve (3) and the decreasing diameter portion (1a2) of the nipple (1).

The invention discloses environment-friendly repeated-writing paper and a preparation method therefor. According to the environment-friendly repeated-writing paper and the preparation method therefor, a hydroxyl protective group is added into a nano bacterial cellulose suspension with excellent characteristics such as high water absorptivity and water retention ability and good water and air permeability, so as to lower hydrophilicity; a staged reaction is carried out under strong base conditions, so that bacterial cellulose reaches moderate water absorptivity and water retention ability, ink can only be present in a surface layer and be clear in writing while the ink is absorbed, and thus, writing, reading and subsequent handwriting wiping are facilitated; then, a scientifically-compounded dispersant is added, and ultrasonic and high-voltage pulse electric field combined dispersion is carried out, so that a stable and uniform modified bacterial cellulose suspension is obtained; finally, the surface of raw paper is coated with the suspension so as to obtain the writing paper with appropriate ink absorbing uniformity and adhesive power and a dense structure, thus, the writing property of the writing paper can be enhanced, and the clearness of writing is enhanced; and waterproofing and oil-proofing actions can be achieved, most importantly, ink marks on the paper can be erased with a cleanser and the paper can be reused for 40 to 100 times under the condition that the performance of the paper is not affected.

The invention discloses an ore distributing and mixing system based on ports. The system is characterized in that a feeding system and a stacking system are arranged on the ground, and a distributingsystem is arranged below the ground; the feeding system comprises a belt conveyor feeding system and/or an automobile feeding system; the belt conveyor feeding system and/or the automobile feeding system is connected with an iron ore raw material storage system of the ports; the distributing system comprises a plurality of distributing bins, a belt conveyor and a PLC, wherein the plurality of distributing bins are located below the ground plane, each distributing bin is provided with a feeding machine and an electronic belt scale, the feeding machines are arranged below the distributing bins,the feeding ports of the feeding machines are connected with the discharging ports of the distributing bins, the electronic belt scales are arranged below the discharge ports of the feeding machines,the belt conveyor is arranged below the discharging ends of all the electronic belt scales, and the feeding machines, the electronic belt scales are electrically connected with the PCL correspondingly; and the stacking system comprises a stacking machine, and the receiving end of the stacking machine is connected with the discharging end of the belt conveying conveyor in the distributing system.

The invention provides an object and method for simulating and detecting the pressure in a penetration fusion welding small hole. The object comprises an upper liquid container and a lower supportingpiece; the liquid container comprises one or more vertical side plates, the side plates are flat plates and are each made of transparent glass, and a bottom plate of the liquid container is made of transparent glass; a top plate of the supporting piece is vacant or is made of transparent glass, when the bottom face of the whole object, namely the bottom face of the supporting piece is horizontallyarranged, the inner bottom face, namely the liquid bottom face of the liquid container is a flat face, and an included angle theta is formed between the inner bottom face and the horizontal plane, wherein theta is larger than 0 degree and smaller than 90 degrees; and the object further comprises experimental liquid which is added into the liquid container and used for simulating molten metal during penetration fusion welding. According to the object and method for simulating and detecting the pressure in the penetration fusion welding small hole, a good and feasible way is provided for thoroughly solving the problem of direct detection of the pressure in the penetration fusion welding small hole, and great convenience is brought to researching of the relation between the hole interior pressure of the penetration fusion welding small hole and the shape of the small hole.

The invention relates to a trajectory height pre-measuring compensation system, which comprises a workpiece platform, a height-measuring probe unit, a machining head and a shaft control unit. The workpiece platform is used for bearing a to-be-machined workpiece. The height-measuring probe unit is arranged on a bearing platform and used for measuring the plane height of the to-be-machined workpiece. The bearing platform is connected to the machining head in a pivoted mode through a link mechanism, and the link mechanism can rotate along the machining head. The axial control unit is used for setting one or more mechanism parameters of the link mechanism and the bearing platform, controlling the height-measuring probe unit to pre-measure the plane height of the to-be-machined workpiece on themachining path of the to-be-machined workpiece, and controlling the machining head to adjust the machining height and the rotation angle according to the plane height, pre-measured by the height-measuring probe unit, of the to-be-machined workpiece on the machining path so as to machine the to-be-machined workpiece on the machining path. The height of the machined workpiece is measured along themachining trajectory, then the to-be-machined workpiece is machined, thus the machining time is shortened, and the impact possibility of the machining head and the to-be-machined workpiece is decreased.

The invention discloses a sea wave typed circulating current pattern in the washing massage of bathroom, which comprises the following parts: pump, main pipe, diverting pipe, sprayer and controller, wherein the sprayer is set on the bottom of bathtub with several sprayers on one row, which connects the diverting pipe in connection with main outlet pipe; the main pipe connects pump outlet, which forms sea wave through flowing water from each sprayer; several drainage holes are opened on the bottom or lateral wall of bathtub, which connect drainage diverting pipes separately in connection with main drainage pipe; the main pipe connects pump inlet; the pump is controlled by controller, which controls the starting gap time to form sea wave effect; the water flow enters in inlet pump of drainage hole, which forms circulation.

The invention relates to a method of assembling a programmable logic controller module. The invention is characterized in that a section is machined into that the bottom board framework height is smaller than that of the module. A motherboard with a connector socket is fixed on a bottom board framework and is provided with a cover board on the lateral side. A printed board integrated with all components is inserted form the real section of the module and is buckled with the real cover. A hook in the middle at one side of the module is hung in the corresponding slot position of the bottom board framework. The lower section of the module is pushed and the connector on the printed board is therefore fully closed with the connector socket. A fixing screw is used to assemble the module on the bottom framework. The invention is convenient in assembly and maintenance; the fixing point is at the middle and the lower section of the module, and the bottom board framework height is therefore smaller than that of the module and the module is simple and reliable in positive stop and fixing. Without any plastic positive stop frame, the combination of the modules with arbitrary quantity is easy to realize and the manufacturing cost is lower. The wire hardness is able to be fixed at a constraint point, thus the wiring is safe and reliable.

The invention relates to the technical field of water conservancy and hydropower engineering environmental protection, in particular to a method and device for extracting the perception and response relation of fishes to water flow forms. Comprising the following steps that S1, according to different lengths of target fishes, cylinders, blocks or partition plates of different sizes are arranged to serve as obstacles, and various water flow forms possibly encountered by fish bodies during swimming are manufactured in a water tank; s2, recording pressure data measured by the target fish in the swimming process through distributed flexible film pressure sensors on the surface of the fish body; s3, establishing an artificial neural network model of the motion parameters of the target fish and the measured pressure data through a machine learning method; and S4, predicting fish motion parameters in a new flow field environment by using the artificial neural network model established in the step S3, and continuously updating, iterating and perfecting the artificial neural network model by using new measured data.

Provided is a fiber machine capable of eliminating the problems in the conventional technique wherein it requires a yarn threading device to be particularly devoted to thread a thread guide to a hidden position behind each takeup device, the easiness to conduct the maintenance work of its traversing device remains poor, yarn severance weights are difficult to find, and the yarn type to admit processing is restricted owing to the refraction angle of the thread guide. The fiber machine includes a provisionally twining machine 1 arranged so that taking-out of a yarn package 12 from each takeup device 15 and supplying an empty bobbin 21 to the takeup device 15 are conducted from the side with the working passage R, wherein the takeup devices 15 are arranged zigzag along the in-line laid direction of the weights 10 in such a fashion that the takeup devices 15 of adjoining weights 10 are positioned different in the up-and-down positioning, and a guide for yarn running is installed so that each yarn Y led into the takeup device 15 runs outside the space in which taking-out of the produced package 12 out of an other takeup device 15 and supplying a bobbin 21 to other takeup device 15 take place.

The invention discloses a rotating part fault diagnosis model construction method and application, and the method comprises the steps: S1, selecting n vibration data segments from collected vibration data of a rotating part in different states as sample signals, and forming a sample set; s2, training a sparse filtering model by adopting the sample set, respectively inputting each sample signal in the sample set into the trained sparse filtering model, and performing activation function processing on an obtained result to obtain learning features of each sample signal; s3, enabling the learning features of the sample signals to be in one-to-one correspondence with the health conditions of the corresponding rotating parts, and forming a training sample set; and S4, inputting the training sample set into a machine learning model for training to obtain a rotating part fault diagnosis model. According to the method, the sparse filtering model is adopted to carry out unsupervised learning on the features, dependence on priori knowledge and manpower is low, only one hyper-parameter needs to be adjusted in the feature learning process, the feature learning effect is good, and the fault diagnosis accuracy is high.

The invention provides a device for chopped fiber continuous orientation. The device comprises a material preparation unit, an orientation device and a separating unit, the material preparation unit is used for mixing complex liquid formed by chopped fiber and dispersion media to obtain chopped fiber suspension liquid and pumping the chopped fiber suspension liquid to the orientation device, the orientation device is a vertical screw conveying device, screw blades are arranged on a threaded rod of the screw conveying device, screw pitches and spiral rise angles of the screw blades are gradually changed, the threaded rod, the screw blades and a sleeve of the screw conveying device are closely matched to form a gradually contractile screw runner, a driving device drives the threaded rod to rotate, the chopped fiber suspension liquid in the gradually contractile screw runner is oriented and conveyed into the lower separating unit, the separating unit is used for receiving and separating the oriented chopped fiber suspension liquid, and pressing and winding are performed after oriented chopped fibers are obtained. The invention further discloses a method for chopped fiber continuous orientation. According to the device, orientation efficiency can be improved, orientation quality is improved, the oriented chopped fibers are long, and the device is suitable for industrial application and popularization.

The invention discloses a processing system for generating power by burning refuse on the water surface of a hydropower station. The processing system comprises a refuse stacking bin, a cutting system, a mixing-stirring machine, a compressor, a drying chamber, a granulator, a fuel bin, a combustion chamber, a combustion improver stock bin, a binding material stock bin, a boiler and a steam turbine, wherein smoke is exhausted through a chimney, and an ash bin is arranged under the combustion chamber and is sequentially connected with a sieving machine, a crushing machine, a melting pool, a metal adsorbing-recycling pool, a filter net, an evaporation chamber, calcining chamber, a natural cooling bin, a grinding machine, a water tank and a mineral powder bin. According to the processing system, the refuse is converted into a new fuel and is fed into the combustion chamber in a certain feeding speed, the steam is generated by the boiler by virtue of heat generated after the combustion of the fuel, and the steam turbine is driven to generate the power by virtue of the steam, so that the considerable energy source is obtained; the combusted ash can be converted into a cement additive with high utilization, economic and social values by virtue of reasonable processes and equipment.

The invention provides a high-dynamic multi-target unmanned aerial vehicle detection method based on feature fusion, and the method comprises the following steps: carrying out the real-time detection, and obtaining an image; feature extraction and feature fusion; performing morphological operation; searching a target contour; searching a target; error compensation is carried out on multi-detection and leakage detection existing in detection; and outputting a target according to the judgment of detection and compensation. The method mainly aims at the problem that targets are easy to lose or mistakenly detect when a plurality of moving targets are tracked to move in a staggered manner, has certain robustness for illumination, extracts an original binary image of the target through color space conversion, and judges whether the filtered binary image is subjected to morphological expansion or not through brightness detection after median and Gaussian filtering; and then edge detection is carried out on the accurate target binary image to obtain a minimum surrounding rectangular frame, and after frame-by-frame detection, a motion track corresponding to the target corresponding to the color is drawn to complete multi-target video identification.

The invention discloses a CMOS-MEMS double-sided integrated chip and an integration method thereof. The CMOS-MEMS double-sided integrated chip comprises a substrate, a CMOS circuit, an MEMS structureand a metal via hole used for leading a lead wire bonding pad of the CMOS circuit to the surface where the MEMS structure is located, wherein the CMOS circuit and the lead wire bonding pad of the CMOScircuit are attached to the first surface of the substrate, the MEMS structure and the lead wire bonding pad of the MEMS structure are attached to the second surface of the substrate, the first surface and the second surface are oppositely distributed, the metal via hole penetrates through the substrate and is communicated with the first surface and the second surface of the substrate, the lead wire bonding pad of the CMOS circuit is located at the position where the metal via hole is located and electrically connected with the metal via hole, and the metal via hole is electrically connectedwith the lead wire bonding pad of the MEMS structure. According to the invention, the CMOS-MEMS double-sided integrated chip has the advantages that CMOS-MEMS double-sided integration and circuit interconnection after double-sided integration are achieved.