74 results about "High intensity" patented technology

The invention discloses a benefication method for recovering specularite. The method comprises the processes of primary grinding, grading, primary low intensity magnetic separation, and tailings discarding by primary high intensity magnetic separation; rough concentrate pre-classification by the primary low intensity magnetic separation and the primary high intensity magnetic separation, secondary grinding, secondary low intensity magnetic separation to obtain concentrates, secondary high intensity magnetic separation to obtain concentrates; and selective flocculation desliming secondary conducted on high intensity magnetic separation tailings (middlings), and anionic reverse flotation. The method further comprises the step of arranging a cylindrical slag separating sieve before the primary high intensity magnetic separation. With the advantages that the iron concentrate grade and the iron recovery are high, the loss of granular iron minerals is low, the mineral process flow is short, concentrates and tailings can be obtained in advance and the energy consumption of the benefication is low, the invention can be used not only for selecting specularite ores, but also for selecting weakly magnetic iron minerals, such as hematite, goethite, siderite, limonite, and the like.

The invention discloses a method for preparing slab-shaped complex film made by blending polyethersulfone. Various film-forming agents according to certain proportion are made by blending polymer (polyethersulfone and sulfonated polyethersulfone), additive, non-solvent and organic solvent. Complex film is prepared on traditional shearing machine via pouring film-forming agents into loading chute, entering knife-edge groove, covering solution on supporting layer and dipping it into coagulating bath. The invention is characterized in that mainly via adjusting composition of film-forming agents, it prepares slab-shaped complex film with high intensity, high water flux and good hydrophilicity.

The present invention relates generally to both a system and method for visually (e.g., via a video-based system or some other visual system) monitoring one or more objects where such objects are obscured by a high intensity light source such as a plasma, flame, or welding arc. In one embodiment, a system in accordance with the present invention comprises a digital camera, at least one light emitting diode (LED) light source, and at least one filter. In another embodiment, a system in accordance with the present invention comprises a digital camera, at least one light emitting diode (LED) light source, and at least one filter selected from a notch filter, a neutral density filter, or combinations thereof. Additionally, the system of the present invention can further include software designed to process, interpret and/or collect various data captured by the visual monitoring, or, imaging, system of the present invention.

The invention belongs to the technical field of intelligent high-molecular materials, and relates to a preparation method and an application of a high-strength oriented polyvinyl alcohol hydrogel. Thepreparation method of the high-strength oriented polyvinyl alcohol hydrogel comprises the following steps: adding deionized water to dissolve polyvinyl alcohol powder, carrying out freeze-thawing circulation, pre-stretching orientation and freeze drying to obtain a polyvinyl alcohol aerogel, and immersing the obtained polyvinyl alcohol aerogel in an aqueous solution of a salt having a Hofmann effect or an aqueous solution of a salt capable of forming a coordinate bond or an aqueous solution of a polycarboxy compound capable of forming a hydrogen bond with polyvinyl alcohol to prepare the high-strength oriented polyvinyl alcohol hydrogel. The high-strength oriented polyvinyl alcohol hydrogel has a tensile strength reaching up to 41.0 MPa, an elongation at break reaching up to 228.0% and atoughness reaching up to 49.94 MJ/m<3>, also has antibacterial and anticorrosive effects and a free radical scavenging effect, and is of great significance to broaden the application of the polyvinylalcohol hydrogel in artificial muscles and cartilages, tissue engineering and other biomedical materials.

The invention relates to a low-density high-intensity ceramsite fracturing propping agent and a preparation method thereof. The low-density high-intensity ceramsite fracturing propping agent has a core material body which is composed of the following materials in percentage by weight: 30-40% of bauxite, 10-15% of talcum, 10-12 % of mullite, 12-15% of metakaolin, 6-15% of potassium feldspar, 3-6.5% of titanium dioxide, 1-3% of manganese powder, 3-4.5% of nano calcium carbonate, 2.5-3.5% of iron trioxide and 2.5-3.5% of magnesium orthosilicate; a gel breaker layer is arranged outside the core material body, and the gel breaker layer is sequentially coated with an external coating and a lubricant layer. When in preparation, various materials are firstly ball-milled, sieved and graded, and then matched in different ways; the potassium feldspar and the titanium dioxide both can reduce reaction temperature to a certain extent; the added manganese powder mainly plays a role in catalyzing; the nano calcium carbonate plays a role in reducing density of product; sintering temperature needed by the product is 1250 DEG C; the product is low in density, strong in anti-fracture capacity and high in sphericity; and meanwhile, the production technology is simple and easy to popularize and implement.

There is provided a high-tensile steel sheet containing 0.15 to 0.25 mass % of C, 0.1 to 2.0 mass % of Si, 0.10 to 1.0 mass % of Mn, 0.5 to 3.5 mass % of Cr, 0.02 mass % or less of P, 0.01 mass % or less of S and the balance being Fe and unavoidable impurities based on the total mass of the steel sheet and satisfying a content ratio of Mn/(Mn+Cr)<0.50.

The present invention discloses a sulfur attack resistant steel and its smelting process. Said sulfur attack resistant steel can be used as steal for seamless steel conduit wiring tube, possesses favorable economy and excellent welding performance, can be applied widely for seamless steel conduit wiring tube for oil gas conveying in high acidic oil and gas fields. Said steel has the chemical constituent as follows (based on weight percentage ): C 0.08 -0.14%, Si 0.20 -0.30%, Mn 1.25 -1.45%, Nb 0.03 -0.05, Al 0.02 -0.05,Ti 0.02-0.05, and the rest is Fe and impurities. The present invention possesses the beneficial effects that the matching between the low carbon equivalent weight and the high strength in lateral direction and vertical direction is realized by adding two microalloy elements (Nb and Ti ) and introducing Al, as alloying element, into the sulfur attack resistant steel, and then said sulfur attack resistant steel possesses favorable economy and excellent welding performance, can be applied widely for seamless steel conduit wiring tube for oil gas conveying in high acidic oil and gas fields.

The invention relates to a magnesium calcium fire-proof plant fibre board and the preparation method thereof, and consists of 1 to 2.4 parts of abio-glue gelled material, 1.5 to 2.5 parts of plant fibres, 0.025 to 0.03 parts of cymene sodium silicate and 1.4 to 1.8 parts of stirring liquor. The invention adopting the method of heat pressing the half dry feed comprises the steps of preparation of material, stirring of the mixture feed, paving and pre-pressing, heat pressing and moulding and incising with fixed size. The products not contain formaldehyde and has the advantages of environmental protection, no poison, harm and crack, light weight and heat preservation, shrinking and small swelling modulus. The invention has good fire-proofing, water-proofing, antisepsis, moth-proofing, and weathering resistance, thereby thoroughly eliminating abuse reversing salting of the magnesium products. Moreover, the invention has the characteristic of the abio-material and combines the characteristics of wood including fine texture, strong natural tactile sensation, easily planning, cutting, fixing and sticking. The invention which has simple production technique and fast shaping speed needs not to be preserved and aired and has high intensity of breaking resisting and even density and not distort. The invention is applicable to the industries such as constructional material, package, transportation, decorating, etc.

The invention relates to high-strength Mg-Y-Ni-Mn alloy and a manufacturing method thereof. The high-strength Mg-Y-Ni-Mn alloy comprises 5.0-12.5% of Y, 2.0-6.0% of Ni, 0.4-1.0% of Mn and the balance magnesium and inevitable impurities. The alloy is manufactured through the following process of material preparing, vacuum melting ingot casting, cyclic homogenizing annealing, extruding and double aging. Materials do not need to be refined; the extrusion ratio is low (lambda=11); the limitations that the manufacturing process of high-performance magnesium alloy is complex and the manufacturing conditions are rigorous are broken; the process is simple; transportability is high; operation is easy, the room temperature tensile strength and the yield strength of the alloy are obviously improved; the high-performance magnesium alloy can be directly produced under existing industrial conditions; the problem that the application of the Mg alloy is limited due to the poor mechanical performance of the Mg alloy is solved; and the application range of the magnesium alloy is expanded.

The invention discloses a high-strength environment-friendly composite board which is characterized by being prepared from the following raw materials in parts by weight: 5-10 parts of debregeasia orientalis powder, 5-10 parts of corncobs, 20-30 parts of bamboo powder, 5-10 parts of wollastonite powder, 5-10 parts of brucite fibers, 0.5-1 part of sodium lignosulfonate, 0.5-1 part of polyethylene wax micropowder, 0.1-0.2 part of sodium benzoate, 0.5-1 part of a titanate coupling agent TMC-201 and 10-20 parts of a bonding aid. The composite board has high strength, high toughness and excellent impact resistance, and is strong in water-proof and corrosion-proof performances, good in durability, stable in property, uniform in texture, good in use performance, wide in raw material source, low in price, simple in process, environment-friendly, nontoxic, harmless, economic and practical.

The invention discloses a drilling water based plugging agent and a using method thereof. The plugging agent is prepared by using curing materials, filling materials, bridging materials and suspensionmaterials in ratio of (17 to 25) to ( 7 to 15) to ( 17 to 27) to (30 to 37), filtration time is less than 15s, a filter cake can be formed instantaneously, the loss of plugging materials and drillingfluid can be reduced, the plugging agent is an efficient plugging agent with high water loss, high strength and high acid solubility in one, and can be applied to any form of leakage, especially forpressure plugging and big leak in small cracks with best using effects after matching with clear water, mud systems, cement and the like according to proportion.

The present invention relates to a preparation method of low-temperature light radiation, which is used for preparing a ferroelectric film of bismuth titanate doped with rare earth. The method solves the problems of the ferroelectric film of bismuth titanate prepared with the existing methods, such as the poor anti-fatigue properties, the small value of remanent polarization, the low reliability of storage, and the excessively high temperature of crystallization in the crystallization process and so on. The preparation method comprises the following two steps: preparing precursory sol of bismuth titanate doped with rare earth and molding the precursory sol. The ferroelectric film prepared in the method has excellent anti-fatigue properties, higher intensity of polarization, higher reliability of storage, and lower temperature of crystallization. The preparation method has the advantages of simple process, simple equipment, short preparation cycle, cheap raw materials that can be purchased in the market, and low cost.

The invention discloses a high-strength and high-apparent high glass fiber reinforced nylon material and a preparation method thereof and belongs to the technical field of polymer materials. The high-strength and high-apparent high glass fiber reinforced nylon material comprises the following components in parts by weight: 25-60 parts of nylon, 40-65 parts of glass fiber, 1-25 parts of a surface modifier and 1-10 parts of an additive. The high-strength and high-apparent high glass fiber reinforced nylon material disclosed by the invention overcomes the defects of poor appearance and low intensity of a traditional glass fiber reinforced nylon material, has high strength and high apparent quality and can be widely applied to glass fiber reinforced PA66 materials with high apparent and high strength, such as parts required to replace steel by plastics and having high apparent requirements.

The invention discloses a preparation method for an Nb-Zr alloy/Cu multi-core composite wire. The preparation method includes the following steps that firstly, Nb and Zr are melted to be cast into an Nb-Zr alloy cast ingot; secondly, hot extrusion is conducted, and an Nb-Zr alloy bar is obtained; thirdly, drawing is conducted, and an Nb-Zr alloy wire is obtained; fourthly, pretreatment is conducted; fifthly, primary compounding is conducted, and a pretreated Nb-Zr alloy/Cu primary composite wire is obtained; and sixthly, secondary compounding is conducted, and the Nb-Zr alloy/Cu multi-core composite wire is obtained. By means of the preparation method, due to electric arc melting and with the combination of a bundle drawing technology, preparation of the multi-core composite wire where core wires are evenly distributed and the organization structure is stable is successfully achieved; and the wire prepared through the method has high strength and high conductivity and also has good oxidation resisting capability and excellent corrosion resisting capability.

The invention relates to high-strength high-elongation antibacterial soft graphene rubber latex. An improved formulation is adopted, and the latex is composed of, by weight, 48-192 parts of rubber matrix, 0.5-1.5 parts of sulfur, 0.5-1.5 parts of zinc oxide, 0.5-3.0 parts of titanium dioxide and 2-8 parts of graphene dispersion liquid. By using the latex to produce rubber products, especially at temperature below zero DEG C in winter, or when the latex is used to produce ultrathin rubber products, the latex is high in softness, strength and elongation; rubber products added with graphene are naturally antibacterial and can protect users more effectively.

A testing method for ultra-high bonding strength of a coating mainly aims at testing for the bonding strength of the sprayed coating. The testing method comprises the steps that (1) the to-be-tested coating is sprayed on a cylindrical base body with a thread to form a tensile sample; (2) the tensile sample is machined through a lathe, and thus the diameter of the interface between the to-be-testedcoating and the base body becomes small; (3) through the to-be-tested coating on the tensile sample, the machined tensile sample is bonded with a sandblasted duality sample through epoxy resin glue to form a to-be-tested sample, and the bonding position is entwined through high-temperature tape; (4) the to-be-tested sample is put into a heat treatment furnace to solidify the epoxy resin glue; and(5) the to-be-tested sample with the solidified epoxy resin glue is fixed to an electronic universal testing machine through a thread, and the tensile strength of the coating is calculated by measuring the area of the interface between the to-be-tested coating and the base body and recording tensile force. By decreasing the contact area of the coating and the base body, under the same tensile force, the high bonding strength of the coating can be tested; and according to the testing method, operation is easy, and the technology is reliable.

The invention discloses a pair of rolling-cut type bilateral scissors and a manufacturing method thereof. The pair of rolling-cut type bilateral scissors comprises ingredients in percentage by weight as follows: 0.40%-0.65% of C, 0.15%-0.35% of Si, 0.60%-0.80% of Mn, 3.50%-6.00% of Ni, 2.5%-4.00% of Cr, 1.50%-2.50% of Mo, 2.00%-3.50% of V, smaller than or equal to 0.02% of S, smaller than or equal to 0.025% of P, larger than or equal to 4% of Cr and Mo and the balance of Fe and unavoidable impurities. The manufacturing method of the rolling-cut type bilateral scissors comprises steps as follows: smelting, ingot casting, forging, annealing, rough machining, pretreatment process (normalizing and high-temperature tempering), semifinishing, final heat treatment (quenching and tempering) and finish machining. The rolling-cut type bilateral scissors can meet the production demand of high-strength medium plates of HG980, HG108, X80 and the like, and the shearing quality and shearing tonnage of the bilateral scissors are improved.

The invention provides a mineral separation and enrichment method for a primary scandium ore. The method comprises the steps of crushing, ore grinding, low-intensity magnetic separation, high-intensity magnetic roughing and scavenging, concentrate regrinding, high-intensity magnetic concentration and the like. A scandium concentrate obtained by using the method disclosed by the invention is subjected to wet-metallurgy scandium extraction, so that the scandium ore resource becomes a developable and utilizable resource, the production efficiency of wet-process scandium extraction can be effectively increased, the consumption of various auxiliary materials such as acid and alkaline required by wet-process scandium extraction and the production cost can be remarkably reduced, and environment pollution caused by a wet-process scandium extraction process is reduced. Meanwhile, the produced tailings can be recycled in the industries such as building materials, the chemical industry, ceramics and glass, so that the comprehensive recycling value of the resource is increased, and the ecological and environment protection influences caused by tailing accumulation and storage are reduced.

An ultrasonic laser drilling device is characterized in that the ultrasonic laser drilling device comprises a cooling unit (1), a control unit (2), a communicating pipe (3), a filter tank (11), a high-power pulsed laser array (4), a plurality of ultrasonic generators (5) and an ultrasonic focusing array (6). A cable, a high-strength water pipe and a water returning pipe are arranged in the communicating pipe (3); the cable in the communicating pipe (3) enables the control unit (2) to be connected with the high-power pulsed laser array (4), the multiple ultrasonic generators (5), the ultrasonicfocusing array (6) and air pumps (9) in a shell (12) on the lower portion; and the high-strength water pipe in the communicating pipe (3) enables the cooling unit (1) to be connected with a cooling water circulation system of the high-power pulsed laser array (4), the ultrasonic generators (5) and the ultrasonic focusing array (6). The high-power pulsed laser devices emit high-pulse energy, and the ultrasonic generators damage the rock structure through the focusing array, so that rock breaking drilling is achieved, and the effect is good.

The invention provides the high-strength 23Mn2CrNiMnVERA steel for railway train connection and a preparation method thereof. The 23Mn2CrNiMnVERA steel comprises the following components of carbon, silicon, manganese, vanadium, aluminum, chromium, molybdenum, nickel, cerium, copper, phosphorus, sulfur, Fe and non-removable impurities; the preparation method comprises the steps of molten iron pretreatment, converter smelting, LF refining, VD vacuum refining and continuous casting tapping. The high-strength 23Mn2CrNiMoVREA steel for connection has the advantages of being easy to weld, high in tensile property and high in yield strength at low temperature (-60 DEG C); and the preparation method of the high-strength 23Mn2CrNiMnVERA steel for the railway train connection has the advantages of being easy to control in the process and suitable for popularization.

The invention relates to the field of refractory materials, in particular to a high-strength aluminum-resisting permeable castable as well as a preparation method and the application thereof. The high-strength aluminum-resisting permeable castable is prepared from the following components in parts by weight: recycled corundum, a brown fused alumina powder, an alumina powder, cement, a silica powder, barium sulfate, a carborundum powder, a dispersant and an explosion-proof agent. The high-strength aluminum-resisting permeable castable provided by the invention has the advantages of good construction performance, moderate hardening speed, good use performance, high strength, good wear resistance, good aluminum corrosion resistance and good thermal shock resistance; the high-strength aluminum-resisting permeable castable can be applied to various refractory environments which need high-strength aluminum-resisting permeable ability.

The invention discloses a high-strength composite acrylic material. A method for preparing the high-strength composite acrylic material comprises the steps of preparing long fibers with the length of about 5cm from glass fibers, preparing unordered glass fiber cloth from the glass fibers, melting an acrylic material, then, pouring the melted acrylic material into a mold by 1/3 thickness, putting the glass fiber cloth into the mold, pouring the rest acrylic material into the mold, meanwhile, discharging air from the mold through vacuumizing, and opening the mold after the acrylic material is cured, thereby preparing the composite material. Through the manner, the high-strength composite acrylic material disclosed by the invention has the advantages that the reliability is high, the transparency is high, the mechanical strength is good, the weight is light, the preparation is simple and convenient, a finished product is free of bubbles, the breakage is difficult, the cost is low, the materials are easily obtained, and the like.