198results about How to "Advanced technology" patented technology

A process for innocuously treating the used liner of aluminium electrolyzer includes such steps as proportionaly mixing it with the calcium oxide contained ore, SiO2 contained material and bitumite, heat treating in rotary kiln, adsorbing tail gas by alumina, and leaching the treated material by lime milk for secondary reaction. It can greatly decrease the contents of fluoride and cyanide in the treated dregs, which can be used to prepare cement or refractory or for building road.

The invention relates to a method for resourceful treatment of coking sulfur-containing wastewater. The coking sulfur-containing wastewater is added into a microfiltration or ultrafiltration membrane separator, solid elemental sulfur contained in the wastewater is entrapped and condensed, and is subject to the washing purification to produce pure sulfur; penetrating fluid is led into a nanofiltration membrane separator, ammonium thiosulfate is entrapped and condensed, and is extracted to produce the ammonium thiosulfate; then the penetrating fluid is led into a reverse osmosis membrane separator, ammonium thiocyanate is trapped and condensed, and is extracted to produce the ammonium thiocyanate, wherein, the penetrating fluid is purified water and can be returned to the working section for repeated use. The method can separate and purify valuable sulfur and secondary salt in the coking sulfur-containing wastewater to create certain economic value, can also improve the circulating utilization rate of industrial water to realize zero draining of wastewater and achieve the requirement of cyclic economy, and is suitable for treating the coking sulfur-containing wastewater of desulfurization and decyanization processes using a HPF method of various coking gas.

A method of sheathing a stent including the steps of providing a stent assembly including a catheter member and a stent member disposed about the catheter member; placing a first sheath film adjacent one side of the stent assembly; placing a second sheath film adjacent an opposite side of the stent assembly, and compressing the stent assembly, whereby the first and second sheath films move toward each other and substantially surround the stent assembly. The first and second sheath films are provided in rolls. Compressing is implemented by a radial compression mechanism. The first and second sheath films pass through the radial compression mechanism. Compressing sheaths the stent assembly and crimps the stent onto the catheter. As an alternative to two sheath films, a single film may be used, whereby compressing surrounds the stent assembly with the single sheath film. Also disclosed in an apparatus for sheathing a stent, including a compressing mechanism; a sheath film supply; a film feeder for moving at least one sheath film from the film supply through the compressing mechanism, and a stent input system for moving a stent assembly into the crimping mechanism.

A production method for the blank of large cold-rolling high-Cr steel roller includes smelting in arc furnace, refining outside the furnace, conveying hot steel ingot, heating in high-temp homogenizing mode, drawing by V-shaped stock, upsetting twice, and post treating. Its advantages are short productive period and low cost.

The invention discloses a polyvinyl chloride (PVC) wood-plastic foaming wood grain section and a preparation method thereof. The wood-plastic foaming wood grain section is prepared from the following raw materials: plastics, an organic filler, an aid, a modifier, a foaming agent, a wood grain masterbatch and the like. The preparation method comprises the following steps of: mixing a foaming mixed material and the wood grain masterbatch and co-extruding from an extruder in a conical twin screw extrusion production line according to a one-step process route; foaming and molding by using a foaming mold; and cooling and shaping by using a shaping mold to obtain the PVC wood-plastic foaming wood grain section. The PVC wood-plastic foaming wood grain section has the advantages of light weight, high specific strength, waterproofness, corrosion resistance and heat preservation, and has the processing characteristic that wood can be nailed, sawed and planed; in addition, the PVC wood-plastic foaming wood grain section has highly simulated solid wood appearance, natural and clear textures, and bright surface color, is an ideal wood-simulated wood-plastic product, and can be widely applied to building, transportation, packaging, home decoration and daily product markets.

The invention discloses a method for replicating a metal relic with high fidelity, and the method comprises the following steps: (1) an original metal relic is scanned directly by utilizing a laser scanner and a three-dimensional (3D) model of the original metal relic is acquired by reverse engineering; (2) the real process of real investment shell casting is simulated by adopting a finite element method, and the 3D model is modified according to the simulation result (such as contraction); (3) according to the modified 3D model, an accurate wax model is produced by adopting a quick prototyping method; and (4) a shell is produced by utilizing the wax model and liquid metal is poured according to the best simulation technological parameters, thus obtaining the replication with high fidelity. In the method, the accurate wax model can be produced without touching the original relic, and therefore, the relic cannot be damaged; and the method also introduces reverse engineering, quick prototyping and casting process simulation technology into the replication of the metal relic, and compared with the traditional method, the produced metal relic replication has high fidelity and can achieve the effect of representing the relic verve.

A process for reclaiming the used liner of aluminum electrolyzer includes such steps as crushing, mixing it with powdered coal ash and calcium lime, grinding, sphericizing, calcining, grinding, immersing in lime milk for removing residual soluble Fe ions, and filtering to obtain NaOH solution and the dregs used as the raw material to prepare cement and refractory.

The invention discloses a multi-component natural fiber blended spinning high count yarn. The materials of the multi-component natural fiber blended spinning high count yarn consist of cotton fiber, spun silk, cashmere fibre and wool fiber, 120 to 160 counts of the high count yarn are weaved. The process mainly comprises the steps that: four kinds of fiber of the cotton fiber, the spun silk, the cashmere fibre and the wool fiber are blended evenly; a process silvering is made from cashmere; roving is made by adopting a semi-combed process; a twisting roving yarn is made through drawing for three times; high count yarn is weaved by adopting a fine spinning process; high count spun yarn is yarned by a four roller spinning frame by a tight spinning technology; then the high count spun yarn is doffed, doubled and two for one twisting so as to make the finished products of high count yarn. The high count yarn has the advantages that: the blended yarn has the advantages of various natural fiber, overcoming the shortcomings of the fiber and complementing with each other; the process is advanced and is capable of weaving the high count blended yarn with stable quality.

The invention relates to a method for monitoring and managing temporary parking lots. The invention discloses a method for monitoring and managing temporary parking lots via images acquisition and transmission, so as to reduce investment cost as well as to strengthen monitoring and managment capability in the parking lots. The invention adopts the technical proposal as follows: after field images are acquired for comparison, temporary lane-occupied parking lots can be remotely monitored and managed; furthermore, a monitor central can impose charge, or issue charging commands via program. The invention has the advantages of advanced and improved technology, convenient enforcement and flexible deployment, high applicability to management of street-side temporary lane-occupied parking lots, capability of on-line management for a plurality of temporary parking lots without special allocations of patrols for supervision and management, reduced worker labor intensity and system investment cost, perfected monitoring and management functionality and ready extension of system functionality.

The present invention is room temperature cross-linking process of preparing silane cross-linked polyethylene, and the silane cross-linked polyethylene is prepared with grafting material and catalytic material in the weight ratio of 5-20 to 1 and through room temperature cross-linking. The grafting material consists of polyethylene resin 100 weight portions, alkenyl alkoxy silane 0.5-5 weight portions, alkyl trimethoxy silane 0.5-3 weight portions, titanium-alkoxide chelate 0.5-3 weight portions and free radical initiator 0.01-2 weight portions. The catalytic material consists of polyethylene resin 100 weight portions, water generating agent 0.5-30 weight portions, cross-linking catalyst 1-5 weight portions. Compared with available technology, the present invention has the features of advanced technological process, high product yield, low power consumption, excellent product performance, etc.

The invention provides an ingot casting method for single polysilicon of 800kg. The method comprises the steps of: step 1, selecting a square monocrystalline silicon wafer of 156*156mm in size and 1-50mm in thickness and laying it tightly and uniformly at a crucible bottom with an external dimension of 1050*1050mm; step 2, adding a primary polysilicon material and an alloy matching with the target resistivity to the square monocrystalline silicon wafer, and at least 800kg of materials are charged altogether; step 3, conducting vacuum pumping and leak detection; step, carrying out heating; step 5, implementing melting; step 6, performing crystal growth: after 30min of insulation, opening an insulating cage to a degree of 8cm and controlling the fall of temperature to 1436DEG C within one hour, then opening the insulating cage to a degree of 10cm, with the temperature maintained at 1436DEG C; step 7, conducting annealing. The single polysilicon ingot prepared with the method of the invention contains a majority of monocrystalline silicon and little polycrystalline silicon. Able to casting a single polysilicon ingot over 800kg at one time, the casting method provided in the invention greatly improves the production efficiency.

The invention is a technique of making battery-level highly pure nickel sulphate by selective extraction of water quenched high nickel matte with vitriol, and its character: it contains in turn: finely grinding the high nickel matte, the first stage, normal pressure extraction, making evaporation crystallization on the extract and pulping the residues for preextraction; the second stage, pressure extraction, return the extract to the first stage for normal pressure extraction, and making pressure extraction on the residues in the third stage, and making copper electrowinning process on the extract to produce copper or evaporation crystallization on the extract to make copper sulphate, and returning the anode solution for the copper electrowinning process or the mother solution for evaporation crystallization for pulping and preextraction, making vacuum evaporation crystallization on the extracts in the three stages to make battery-level high-purity nickel sulphate.

The invention discloses an aluminum electrolyzed waste carbon residue innocent treatment system and a method thereof, and aims at solving the technical problems of low carbon residue reclaiming utilization and environmental pollution in current electrolytic aluminum industry. The system comprises a heating furnace, a heating circulation device, a tail gas purification device, a hopper correspondingly communicated with the heating furnace and a raw material bin correspondingly communicated with the hopper, wherein the heating circulation device is respectively and correspondingly communicated with the heating furnace and the raw material bin; a tail gas outlet communicated with the tail gas purification device is formed in the raw material bin. According to the aluminum electrolyzed waste carbon residue innocent treatment system, the problems that accumulation or landfill of waste slot liner carbon residues pollutes environment, massive raw materials are wasted and the like, which trouble the electrolytic aluminum industry for years, can be effectively solved.

The invention discloses an aluminum substrate material of a copper-aluminum composite plate strip, simultaneously relates to the copper-aluminum composite plate strip and a processing method thereof, and belongs to the technical field of a metal plate strip processing. According to the invention, the copper-aluminum composite plate strip adopts the aluminum substrate material containing Si, Fe, Cu and Mn and a copper clad material; the strength of the aluminum substrate material is increased by adding elements of Si, Fe, Cu and Mn, and the processing property of the aluminum material is changed to be identical to the processability of the copper clad material, so that the problems that the soft annealing temperatures of copper and aluminum are different in the plate strip manufacturing process and composite materials are difficult to be punched are solved; and the composite material can reach deep drawing properties of pure copper and pure aluminum. In a process of processing the plate strip, a billet is prepared through an oxygen-free high-pressure continuous casting, and then the billet is subjected to processes, such as cold rolling, intermediate annealing, finish rolling and finished product annealing, so that the integral property of the plate strip is further improved. The copper-aluminum composite plate strip processed by the method is high in production efficiency, stable in quality, advanced in technology, and remarkable in economic benefit, and saves energy and materials.

A color contrast enhancing lens made from adhering two different lenses and a membrane together. It includes a color enhancing lens whose specific component will selectively absorb the yellow light in the visible spectrum, which enhances the user vision by enhancing the distinction between red and green. It also includes an ultraviolet blocking lens whose special compounds will absorb the majority of violet light and a part of blue light. It also includes a light polarization membrane whose special structure can reduce strong light. After the lens is formed by using adhesive, it can selectively absorb the yellow light in the visible spectrum, which enhances the user vision by enhancing the distinction between red and green. It can also absorb the majority of violet light and keep a low transmittance of blue light, thus reduced the retina injury caused by overexposure to blue light. It can also block the invisible ultraviolet and reduce strong light. So while the users' eyes are protected, they can also enjoy their view.

The invention discloses a middle connector process of oil-immersed cable lapping, which comprises the steps of reserving taped cable insulation 25mm, removing the redundant winding, and wrapping the reserved winding with 7-8 layers of a transparent PVC protective belt as the temporary protection; removing the redundant taped insulation and inter-phase stuffing, then wrapping a layer of transparent PVC on the insulated cable conductor in a half overlapping way as the temporary protection, and bending the wire core at 24-26 degrees; stripping the insulating layer at the end of each wire core, and threading the stripped wire core through a connecting pipe for crimping; lapping a polytetrafluoroethylene belt outside the silver paper of the connecting pipe, and then lapping an epoxy resin glass tape in a half overlapping way on the polytetrafluoroethylene belt. The middle connector process of the invention can be operated safely and reliably. With simplicity, convenience and reliable performance, the middle connector process decreases the labor intensity, shortens the power-failure time and improves the economic benefit, the construction technological level of cables and the work efficiency when in manufacture.

The invention provides an ore-dressing method for recovering nickel from ore-washing slurry of copper-nickel sulfide ore. The method comprises the following steps: performing a gravity concentration process on the ore-washing slurry; storing and dewatering the ore sand of the gravity concentrate; performing an open-circuit grinding process; performing a main program check screening process; performing a closed-circuit grinding process on unqualified grains; adding drugs in qualified grains and then performing a flotation process, wherein after performing the processes of coarse selecting, scavenging and finely selecting, the nickel concentrate grade is 6%-8%, the copper grade is 1%-1.6%, the grade of nickel in tailings is less than or equal to 0.2%, and the grade of copper in tailings is less than or equal to 0.04%; and then concentrating and dewatering the gravity concentrate tailings by using a concentrating machine; performing a slurry flotation process; adding a dispersing agent after adjusting the slurry with high concentration; and adding an ore-dressing reagent in stage adding manner, wherein the nickel concentrate grade is 4%-7% and the copper grade is 0.8%-1.5%. The ore-dressing method has the advantages of low cost, high production efficiency and high comprehensive recovery rate of valuable metal. The ore-dressing method is an ideal ore-dressing method for recoveringnickel from ore-washing slurry of copper-nickel ore.

Thin group IV semiconductor structures are provided comprising a thin Si substrate and a second region formed directly on the Si substrate, where the second region comprises either (i) a Ge1_-xSn_x layer; or (ii) a Ge layer having a threading dislocation density of less than about 10⁵/cm², and the effective bandgap of the second region is less than the effective bandgap of the Si substrate. Further, methods for preparing the thin group IV semiconductor structures are provided. Such structures are useful, for example, as components of solar cells.

The invention discloses a heat-insulating decorative fireproof partition board for an exterior wall of a building and a construction method thereof. The heat-insulating fireproof decorative board adopts a heat-insulating foaming ceramic board made of fireproof materials as a fireproof partition and heat-insulating material; the heat-insulating foaming ceramic board, an enhanced panel and veneer materials form an integrated board with the functions of fire prevention, heat insulation and decoration; integrated boards are arranged along the horizontal direction of the building at intervals of certain height in a heat-insulating system for the exterior wall of the building or arranged on upper edges of window and door openings of the building to form a fire barrier, so that the flame propagation can be effectively prevented and the fire damage can be reduced; the heat-insulating fireproof decorative board is bonded with a base course wall of the building through cement mortar at first and then anchored and supported through a machine; and exterior finishes can be painted with fluorocarbon paint, fluorocarbon metallic paint, stone-like paint and the like and be matched with a conventional heat-insulating decorative board for the exterior wall of the building for use. The heat-insulating decorative fireproof partition board disclosed by the invention can be used as a fireproof construction measure to be widely applied to heat-insulating projects of exterior walls of the building industry, and has the advantages of fire prevention, heat insulation, durability, impact resistance, good decorative effect and the like. The construction method disclosed by the invention has the advantages of advanced technology, economy and rationality, convenience for assembly, low energy consumption for construction, and conformity with the national requirements of environmental protection and energy saving.

The present invention discloses kitchen refuse coking treatment process and apparatus. Dried kitchen refuse is first pre-heated to about 200 deg.c for further drying, and then heated to 450- 600 deg.c inside a drum heating and reacting furnace in varying heating speed 50-200 deg.c/min for complete coking and pyrolysis. During coking and pyrolysis of kitchen refuse, solid product, liquid product and gaseous product are produced, the solid product has biomass coke as main component, the liquid product has biological oil as main component and may be further treated into liquid fuel, and the gaseous product is fuel gas.

The invention relates to a copper coated aluminum-magnesium conductor line and a manufacture method thereof. The copper coated aluminum-magnesium conductor line for symmetrical cables comprises an aluminum-magnesium core rod and a copper layer, wherein the copper layer is uniformly and concentrically coated on the surface of the aluminum-magnesium core rod. The manufacture method of the copper coated aluminum-magnesium conductor line for symmetrical cables comprises the following steps: 1. smelting; 2. coating and welding; and 3. wire drawing and annealing. The copper coated aluminum-magnesiumconductor line for symmetrical cables has reasonable structure and can meet the technical standard of a symmetrical cable conductor wire in electrical and mechanical performance, and the transmissionperformance of a signal, an image and data can completely conform to the high-frequency transmission line skin effect; copper sources are saved by replacing copper with aluminum, and the manufactureand application costs of raw materials can be greatly reduced; and the cost of the raw materials is relatively lower.

The invention discloses a method for preparing low-temperature high-toughness siloxane copolymerized MC (monomer-cast) nylon by polymerization. The method comprises the steps of: firstly, reacting polyhydroxy siloxane with a multifunctional isocyanate activator to produce a polysiloxane macromolecule activator Si-NCO; respectively vacuum dewatering a caprolactam in two reaction kettles, adding a catalyst in one reaction kettle and continuing vacuum dewatering, while adding the activator Si-NCO in the other reaction kettle and evenly mixing; when the vacuum degrees of the two kettles achieve 10-15mmHg, rapidly mixing materials in the two kettles to even, casting the mixed material in a preheated mould, keeping the temperature for 30 minutes to 1 hour, and removing the mould, thus obtaining the low-temperature high-toughness siloxane copolymerized MC nylon. The notch impact strength of the low-temperature high-toughness siloxane copolymerized MC nylon is 20%-400% higher than that of an unmodified MC nylon prepared under the same conditions, and the tensile strength and the impact strength of the MC nylon at the temperature of minus 40 DEG C can be maintained at 80% those of the MC nylon at the temperature of 25 DEG C. In addition, the flame retardant performance of the MC nylon is improved.

The invention discloses a self-adaptive real-time compensation system for a steel support axial force during deep foundation ditch construction and a method thereof. The compensation system comprises a plurality of field control stations, a plurality of hydraulic proportion servo control pump station devices, a plurality of detecting elements, an operation station and a monitoring station, wherein the field control stations, the operation station and the monitoring station are connected and communicated through a CAN bus; each field control station is connected with the plurality of the hydraulic proportion servo control pump station devices; the hydraulic proportioning servo control pump station devices comprise hydraulic pump stations and a plurality of jacks, and the hydraulic pump stations are respectively connected with the jacks and control the jacks to hold up corresponding steel supports; each detecting element respectively detects the operating situation of the jacks and feeds information back to the field control stations to which the jacks belong; and the monitoring station and the operation station monitor the real-time operating situations of the hydraulic pump stations and set the operating parameters of the jacks. The invention can realize real-time compensation of the steel support axial force during deep foundation ditch construction so as to reduce the deformation of a foundation ditch.

The invention discloses a super large cross section (phi 800 to phi1,000mm of diameter) round billet continuous caster, which is characterized in that the continuous caster consists of a crystallizer provided with a foot roll, a crystallizer vibration device, an ingot supporting and guiding device, an ejection device, a protection and insulation section, and a crystallizer electromagnetic stirring device, wherein a copper pipe of the crystallizer with the foot roll is contacted with molten steel, the outer layer of the crystallizer with the foot roll is a stainless steel water jacket, the furthest layer of the crystallizer with the foot roll is a carbon steel shell, the stainless steel water jacket and the carbon steel shell are connected by an upper flange and a lower flange, and a crystallizer water tank adopts the one-inlet two-outlet one-cold circulation mode; and the crystallizer vibration device does not adopt the sine electric drive mode. The continuous caster has the advantages of novel structure, compact and reasonable arrangement, better quality and lower cost of billet, and so on.

A process for reclaiming the used refractory material of aluminum electrolyzer includes such steps as crushing, mixing with sand, powdered coal ash and lime stone, grinding, spraying the powder into rotary kiln, sintering, cooling, mixing with magnesium sand, and grinding to obtain the powdered impervious refractory for the aluminum electrolyzer.

The invention discloses a low-temperature preheating device used for a motor vehicle. The device comprises a fuel oil heating unit, a driving cab heating unit, an oil pan heating unit and an oil supply system heating unit, wherein the fuel oil heating unit is provided with a fuel oil heater; the driving cab heating unit comprises a radiator arranged in the driving cab; the oil pan heating unit comprises an oil pan heating pipe arranged in an oil pan of an engine; and the oil supply system heating unit comprises a heating oil tank, a water inlet pipeline, a water return pipeline, an oil outlet pipeline and an oil return pipeline. The device has the characteristics that: the device has an ingenious conception, advanced technology, a compact structure, environment friendliness and high practicability, is safe in use and convenient to install, saves energy and the like.

A heat tube cooled grinding roller is composed of a hollow roller body, two hollow axle heads connected to both ends of said roller body, a heat conducting medium filled in said hollow roller body, and two heat tubes with one heat reception end inserted in the internal cavity of said roller body and having heat absorbing fins and one heat radiating end extended out of said axle head and having heat radiating fins.

The invention discloses an intelligent road-lamp road-section exchanger. The road-section exchanger controls a plurality of road lamp terminal controllers, and each road lamp terminal controller respectively controls a plurality of road lamps; the road-section exchanger comprises a power module, a centralized control module and a communication module, wherein the centralized control module is respectively connected with the power module and the communication module; and the communication module comprises a carrier wave communication module or/and a GPRS communication module or/and a Zigbee communication module. The intelligent road-lamp road-section exchanger provided by the invention and used for intelligent illuminating systems can realize controlling one point by multiple points: multiple light sources with different functions on the same lamp post can be controlled independently or entirely.

The invention relates to an auto-sealing assembly machine for button cell, which comprises: a frame groupware, a feeding mechanism, a sealing mechanism, an assembly mechanism, a drive gear, a pneumatic control system, and an electric control system. It uses mechanical-electrical integration design scheme, monitors moment and state by sensors, controls actuators with PLC technology, feeds material with belt, and realizes complete automation. Wherein, the OS uses contact screen as human-machine interface for convenient interactive operation.

A novel intelligent parking lot comprises a client, a server, a parking lot access gate control, a parking stall information identification device, a parking stall control device and a network node. The novel intelligent parking lot considers the current situations of the current parking lot management system and the current newest technology development and can adapt the total development targetof a future pilotless automobile, a new energy vehicle and the smart city construction, and the method has universality and standard, is strict, has forward looking, and is advanced in technology andeconomically feasible.