49results about How to "Extensive processing" patented technology

The invention discloses a text structure analysis method based on text semantics. The text structure analysis method comprises the following steps: 1, acquiring data; 2, performing content extraction; 3, recognizing and extracting a title; and 4, establishing a hierarchical structure. By adopting the text structure analysis method, the technical problems that text structure information reduction is carried out for a pure text, a base is made for text mining tasks, and the like, are solved.

The invention provides processing equipment for separating waste water by superconducting magnet, comprising a magnetic seed and flocculating agent feeding machine, a mixer and a superconducting magnetic coolant separator; wherein the magnetic seed and flocculating agent feeding machine is used for feeding magnetic seeds and flocculating agent to the mixer; the mixer is connected with a water pipe and used for fully mixing the magnetic seeds and flocculating agent with the waste water; one end of the superconducting magnetic coolant separator is connected with the mixer by a pipeline and the other end thereof is connected with a water outlet pipe, the superconducting magnetic coolant separator is provided with a filtration device made from ferrite stainless steel material. In the invention, the magnetic seeds are added in advance, so that nonmagnetic harmful substances can be fully combined with the magnetic seeds, thus realizing separation and purification of the waste water by superconducting magnet and being widely applied to process industrial and domestic waste water. Meanwhile, the invention has the advantages of low cost, high efficiency, small power consumption and unattended automatic operation.

The invention provides a slag cake crusher capable of dynamically adjusting speed and a control method thereof. The slag cake crusher comprises a driving motor, a crushing chamber and a control system, wherein a feeding hole is formed at the upper end of the crushing chamber; a discharging hole is formed at the lower end of the crushing chamber; a crushing roller shaft is arranged inside the crushing chamber; the crushing roller shaft is connected with the driving motor through a coupler; spiral cutter teeth are welded on the surface of the crushing roller shaft; convex teeth are arranged on the inner wall of the crushing chamber; gaps are formed between the convex teeth and spiral cutter teeth; the control system comprises a power supply, a PLC (Programmable Logic Controller) controller, a man-machine interaction device, a frequency changer, a coder mounted on a shaft of the driving motor and a temperature senor mounted on the crushing roller shaft; the PLC controller comprises a speed controller and a temperature correction rotation speed controller. By improving the structure of the slag cake crusher and using a double closed-loop dynamic control adjustment method, the automatic control of crushing process and speed is achieved, the dynamic change of slag cake crushing load is automatically adapted, and the crushing force and crushing efficiency are maximized.

The invention relates to a full-automatic multi-grinding head independently moving polishing machine, which comprises a controller, a main motor, a cleaning device and a conveyer belt. A grinding head and a stand are fixedly connected with an upright post respectively, the top of the upright post is fixedly connected with an upper beam, and the grinding head is connected with a main shaft of a main shaft box. The polishing machine is characterized in that the main motor drives the main shaft of the main shaft box through a first-level conveyer belt, the main shaft is connected with the grinding head, the main shaft box is respectively connected with an independent left moving mechanism and an independent right moving mechanism as well as a lifting mechanism, and the lifting mechanism comprises a mechanical lifting mechanism and a pneumatic lifting mechanism. The polishing machine has a compact and reasonable structure, a single grinding head can swing solely, and the single grinding head can solely grind an irregular plate with an unfilled corner, so that the polishing machine radically solves a fundamental problem for stabilizing yield and quality. The polishing machine adopts pneumatic and mechanical double-level lifting so as to increase lifting stroke, and is widely applied for machining stones, so that the polishing machine not only can grind the prior stones, but also can grind various boulder strips with different heights and specifications. The polishing machine has the advantages of high working efficiency and long service life.

The invention discloses environmental-friendly biological stuffing which is made of raw material of carbonized rice husks, thereby having low cost and wide source of raw material and being easy to process. The environmental-friendly biological stuffing has large specific surface area, high porosity, large biomass of per unit volume and high pollutant processing load; in addition, the environmental-friendly biological stuffing is similar to water in the specific gravity, thereby being easy to suspend by consuming less power; the environmental-friendly biological stuffing is suitable for the growth and the propagation of microorganisms and is easy to form film; and the environmental-friendly biological stuffing has small stacking density, thereby being hard to compact. Compared with the prior stuffing, the cost of the environmental-friendly biological stuffing is reduced by 60-80 percent, and the specific surface area is increased by over 2000m<2>/m<3>. The environmental-friendly biological stuffing can be widely used for treating waste water and gases.

The invention provides a method for carrying out equalization on a 100M magnitude broadband reception signal, and is aimed at providing a method for using a simple time domain parallel structure to carry out time domain equalization on the broadband signal with small resource consumption, a fast operation speed, and no need of changing a transmission system. The method is realized through the following technical scheme: (1) employing a fraction interval adaptive blind equalization digital logic circuit with decision feedback, and receiving over-sampling baseband signal to be equalized in parallel; (2) carrying out addition of output of all transverse filtering structures as equalization output, and sending the baseband signal to be equalized into the transverse filtering structures in a forward direction equalization unit according to a corresponding phase relationship; (3) judging an equalization output result with a decision unit, and solving an error signal e(n) of the output result and a decision result; after e(n) is adjusted through an error convergence factor, carrying out gradient estimation and equalization coefficient updating, and sending an updated equalization coefficient to each transverse filtering structure to carry out an equalization operation. According to the method, contradiction between generating the equalization results and carrying out the equalization coefficient updating simultaneously in a code element is solved.

The invention relates to an anti-loose internally threaded fastener, which comprises an internal thread substrate, and is characterized in that the shape of an internal thread arranged on the internal thread substrate is as follows: the oblique angle of an internal thread profile is 38 degrees to 40 degrees, the intermediate diameter D2 = D-(0. 42 to 0.43) P, the variable angle inflection point diameter phiD = D-(0.48 to 0.50)P, the minor diameter D1 = D-(0.90 to 0.91) P, the theoretical interference width is 0.12B, the theoretical interference height is 0.22Td, the failure theoretical distance is 0.098P, the intermediate diameter position is 0.215P, and the inflection point position is 0.24P. By improving the design parameters of the thread, and connecting the internal thread with six-level machining precision and an ordinary external thread with six-level machining precision, the mechanical properties of a thread pair are greatly improved, the contact stress of the thread pair is reduced, the plastic deformation of an external thread profile crest zone is reduced, the overloading assembly ability is strong, the anti-loose reliability is good, no interference occurs in a limit size state, the rotation following phenomenon is avoided, and the assembly quality and efficiency are high.

The invention relates to a full-automatic cooking processor, comprising a pot seat, a pot body and a pot cover body, wherein a heating device which can transfer heat to the inner cavity of the pot body is arranged on the pot cover body, and the pot body is sheathed in the pot seat; the full-automatic cooking processor is characterized in that: the pot cover body and the pot seat are respectively provided with a connecting arm and an arm-connecting base, the pot cover body can be arranged on the pot seat in an opening way by the articulating connection of the connecting arm and the arm-connecting base, and a locking mechanism for locking the pot cover body is arranged between the connecting arm and the arm-connecting base. The usage is simple and convenient, the pot cover body can be covered on the pot seat by pressing down a key of the locking mechanism after the pot cover body is opened, thereby effectively avoiding the phenomenon that the pot cover body is hit against on the pot seatsuddenly and violently, ensuring the pot cover body and the pot seat not to be damaged and ensuring the normal service life of the whole processor on one hand, on the other hand, the probability thathand is hurt is avoided and the using safety of the processor is greatly improved.

The invention relates to a method for solidifying powder coatings on the surfaces of wooden components, mainly including wooden-component cleaning, wooden-component heating, spraying powder coating, baking wooden-component, etc. The invention can settle the problem of the existing methods that wooden-components decorated by the combination of paint and tianna water have the disadvantages of residue of formaldehyde, toluene and other toxic and harmful substances on the wooden-components which can not meet the green, safe and environment-friendly requirements; the wooden-components processed by the method is green, safe, environment-friendly and free of peculiar smell and the residue of formaldehyde, toluene and other toxic and harmful substances; besides, the products processed by such method is not easy to fade and scale off, and the service life is long. The production process of the invention is simple, and is applicable to processing the wooden-components made of batten, flitch, plank or composite wooden panel.

The invention belongs to the technical field of cutting tools, and discloses a boron carbide-tungsten carbide composite ceramic gradient material for a tool and a preparation method and application ofthe boron carbide-tungsten carbide composite ceramic gradient material. The surface layer of the ceramic gradient material comprises 70-100 vol% of B4C and 0-5 vol% of Co, wherein the core part of the ceramic gradient material contains 50-95 vol% of WC and 5-20 vol% of Co; the relative density of the material is higher than 97%, the hardness of the surface layer is 20-35 GPa, and the fracture toughness of the surface layer is 3-10 MPa.m < 1/2 >. The hardness of the core part is 14-22 GPa, and the fracture toughness of the core part is 8-20 MPa.m < 1/2 >. By controlling the contents of boron carbide, tungsten carbide and metal cobalt on the surface and the core, the hard-surface tough-core high-performance boron carbide-tungsten carbide composite ceramic gradient material is prepared by hot pressed sintering. The composite ceramic gradient material has very high surface hardness, wear resistance and good tipping fracture resistance.

The invention discloses a connecting piece for a car frame, a car frame assembly and an electric car. The car frame connecting piece comprises a connecting piece base. The connecting piece base is atleast provided with a front longitudinal beam connecting part, an A column lower inner plate connecting part and a threshold longitudinal beam connecting part; when orienteering is performed along thecar frame, the front longitudinal beam connecting part is located in the front of the connecting piece base 110, the A column lower inner plate connecting part is located at the outer side of the connecting piece base 110, and the threshold longitudinal beam connecting part is located at the rear part of the connecting piece base 110; the connecting piece base comprises an outer side connecting piece and an inner side connecting piece with transverse orienteering along the car frame. The car frame connecting piece has the low casting difficulty by designing the split structure of the inner side and outer side mode, and the car frame connecting piece is suitable for being widely applied; the connecting strength of a car frame and a key joint is enhanced, and the collision safety performance is improved.

The invention discloses a gas supercharger, which belongs to the field of gas supercharging devices. The gas supercharger of the invention can widely be used in gas supercharging and industrial waste-gas treatments in chemical industry, and can be available for the fields such as generating systems, liquid-gas mixing systems, gas delivery system, vacuum systems and the like. The gas supercharger is characterized in that the inner wall of a tapered supercharging-chamber shell (8) is provided with a plurality of backflow slots (17), and the section of each backflow slot is v-shaped; the left end of a power transmission shaft (3) arranged in supercharging-chamber shell (8) is provided with a half-trapezoid blade device (7), and the right end of the power transmission shaft (3) is provided with a gas-lead out blade device (12); a gas-outlet transmission shaft bracket (10) is arranged between the half-trapezoid blade device (7) and the gas-derived blade device (12); the left part of the half-trapezoid blade device (7) is provided with a gas-inlet transmission shaft bracket (6) and a gas-lead out blade device (4); and a gas outlet (13) of the tapered supercharging-chamber shell (8) is provided with a one-way valve (14). The invention has the advantages of no reciprocation components, simple structure, high energy utilization, large discharge, and the like.

The invention discloses a gas phase organic substance catalytic combustion device and method based on an ultra-thin two-dimensional zeolite catalyst. A filter, a catalytic ceramic membrane module, a vacuum pump and two differential pressure controllers are included; the inner and outer walls of a tube pass of the catalytic ceramic membrane module are each coated with an ultra-thin two-dimensionalzeolite catalyst layer, an outlet of the filter is connected to a tube-pass inlet and a shell-pass inlet of the catalytic ceramic membrane module through pipes provided with valves, a tube-pass outletand a shell-pass outlet of the catalytic ceramic membrane module communicate with the atmosphere through pipes provided with valves, an inlet of the vacuum pump is connected to the tube-pass inlet and the shell-pass inlet of the catalytic ceramic membrane module through the valves, an outlet of the vacuum pump is connected to an inlet of the filter, and the two differential pressure controllers are used for detecting pressure differences between the tube-pass inlet and the tube-pass outlet of the catalytic ceramic membrane module and between the shell-pass inlet and the shell-pass outlet of the catalytic ceramic membrane module. The gas phase organic substance catalytic combustion device and method have the beneficial effects that the combustion efficiency is high, environmental protection is achieved, energy consumption is low, secondary pollution is avoided, repeated utilization can be achieved, and the catalytic combustion process of gas phase organic pollutants is achieved.