597results about How to "Solve process problems" patented technology

The invention relates to a novel equipment and a method of ethanol fuel production. The water resource in a preparation unit of liquefied wort is the washing water in a CO₂ washing tower. A recovery tower pot collects waste water and a portion of liquor condensate by vaporing when waste water is dealt with to send to a mixing machine of the preparation unit of liquefied wort. And the consumption of fresh water is zero. The process of rectification and dehydration adopts technology of multieffect thermal coupling rectification. Only when the recovery tower pot uses fresh vapor to heat, the energy consumption of the process of rectification and dehydration is reduced largely. The waste wort solution produced by the alcohol production process which is dealt with by the device for pneumatic drying, multieffect evaporation of clear liquid, being anaerobic and oxygen consumption of the vapored condensate liquor and purifying by using ultrafiltration membrane etc, can be recovered with the valuable product. The reasonable treatment plan realizes zero discharge of technique waste water when in the ethanol fuel production.

The invention relates to a grinding tool, in particular to a brazing-hot pressing diamond tool. The diamond tool consists of a steel matrix and a diamond tool bit, wherein the diamond tool bit consists of a plurality of alloy layers which are vertical to a working surface of the tool bit; the alloy layers are prepared from two alloy matrixes with different formulas by a vacuum hot pressing method; a prearranged diamond abrasive particle layer is arranged inside each alloy matrix layer; outer layers on two sides of the tool bit are brazing alloy matrix layers (1); a single-layer prearranged diamond abrasive particle layer is arranged inside each brazing alloy matrix layer (1); an intermediate layer of the tool bit is a pre-alloying matrix layer (2); and a single-layer or multi-layer prearranged diamond abrasive particle layer is arranged inside the pre-alloying matrix layer (2). The brazing-hot pressing diamond tool solves the problem that a multi-layer brazing tool is covered by a thick solder layer so as to cause low exposure effect and also solves the problem that a sintered diamond tool is insufficient in diamond holding force so as to make the diamond fall off too early. Therefore, the service life of the diamond tool is greatly prolonged and the processing efficiency thereof is greatly improved.

The invention provides a preparation method of an oxidized graphene and sodium alginate composite absorbing material capable of removing ciprofloxacin in an aqueous solution. The preparation method comprises the following steps: dispersing a certain amount of oxidized graphene samples in deionized water, putting the oxidized graphene samples into an ultrasonic cleaner, and performing ultrasonic treatment for 6-10 hours; dissolving a certain amount of sodium alginate into an oxidized graphene solution subjected to ultrasonic treatment, and performing ultrasonic treatment for 20 minutes; dropewise adding the mixed solution into a 0.2mol/L calcium chloride solution by virtue of a peristaltic pump, soaking for 1-3 days, and cleaning with deionized water for 3-4 times, thereby obtaining a sodium alginate and oxidized graphene sphere hydrogel material; and freeze-drying, thereby obtaining oxidized graphene and sodium alginate sphere aerogel. The preparation method is performed under a relatively mild condition, and oxidized graphene is packaged in a sodium alginate network structure by an ion bridge method, so that the nano toxicity of graphene powder is avoided, and a new nano material capable of efficiently absorbing ciprofloxacin antibiotics in the aqueous solution is prepared. The preparation process is simple, easily controllable in condition, low in cost and suitable for large-scale batch production.

The invention discloses an ultra-thick hard alloy, a preparation method and application thereof. The raw material of the ultra-thick hard alloy comprises the following components in percentage by weight: 10.0-10.5% of Co and the balance of WC. The preparation method comprises the following steps of pretreatment, raw material preparation, wet grinding, spray drying, compression moulding and sintering. According to the invention, technical conditions of each component and technical conditions of each step are selected preferentially, and common technical problems in the preparation of ultra-thick ally in China, such as non-even grains, poor anti-impact toughness and thermal fatigue resistance and too many pores. The ultra-thick hard ally has excellent thermal conductivity, impact toughness and thermal fatigue resistance, cross breaking strength is larger than or equal to 3,100Mpa, the hardness is 86-87HRA, the coercive force is 3.0-4.0KA/m, and WC average grain size is 5-6 microns.

The invention provides a method for controlling the content of biuret in compound fertilizers for melt granulation in a prilling tower. A low melting point mixture is formed by urea and compounds in a melting tank, and is melted completely at the temperature ranging from 104 to 114 DEG C; nitrogen fertilizers, phosphate fertilizers, potash fertilizers, fillers and trace elements are used for melting urine and production compound fertilizers and are added in a mixer according to product demand ratios, are premixed rapidly under the temperature condition ranging from 90 to 110 DEG C, then are mixed through a slurry emulsifying machine at a high speed so as to form emulsified slurry, and then are processed through the procedures such as granulation, cooling sieving and the like in the prilling tower so as to produce the granular compound fertilizers with low content of biuret; in addition, the content of biuret in the compound fertilizers that are produced by adopting the method is less than 0.6 percent, the quality is safe, and fertilizer damages cannot be caused. The method belongs to a novel environment-friendly production method with low consumption, which can produce the granular compound fertilizers on the basis of urea-based prilling tower melt granulation technology.

This is an underground hidden digging separated working method it is double layers or multiple layers complex lining brick structure. It contains: Use the existing shallow bury hidden digging technology to finish the lining bricks structure upper parts, and use the routine technology to finish the original support and protection. After finished the original protection and support of vault part, to spread out the water-proof plate and finish the middle separated plate to use the ground model, and pouring cement slurry to make the upper part structure. Under the protected of middle separated plate, then to make the structure under the middle separated plate, to finish the whole working process finally.

The invention discloses a capacitive pressure sensor used for measuring pressure and a manufacturing method of the capacitive pressure sensor. According to the manufacturing method, by utilization of a surface silicon micro-machining technology, a silicon oxide sacrificial layer is deposited on a silicon substrate, and then a polycrystalline silicon film is deposited on the sacrificial layer to serve as a pressure sensitive film. The sacrificial layer is partially corroded to form a capacitance gap through sacrificial layer release holes formed in the polycrystalline silicon sensitive film. The sacrificial layer release holes in the polycrystalline silicon sensitive film are further filled through another deposition of a polycrystalline silicon film, and thus a sealed cavity is formed. At last, a gas vent hole is corroded in the polycrystalline silicon sensitive film again and sealed through metal with a physical vapor deposition (PVD) method, and thus a vacuum is formed in the sealed cavity.

This invention relates to soft magnetic compound materials, which are characterized by the following: the said materials comprise iron material, isolation agent and lubrication agent with their weight percentage as 92-99 úÑ, 0.5-5 úÑ , 0.5-3 úÑ; the said iron material is powder material, which comprise deoxidized powder, atomized iron powder, hydroxide powder and iron alloy with iron of 80-99.8úÑ; Particle distribution of 20-500; the said isolation agent adopts nanometer calcium carbonate powder or ceramics powder or magnetic oxidation power; the said lubrication is micro powder. The process comprises the following steps: mixing, shaping, solidifying and stainless processing.

The invention discloses a method for preparing a thin single cell thermal battery in a laminated mode based on a molten salt thermal spraying technology and the thin single cell thermal battery, belonging to the field of battery preparation technology. The method comprises the following steps: (1) preparing positive molten salt, and spraying the positive molten salt on a collector plate to form a positive electrode layer; (2) preparing electrolyte molten salt, and spraying the electrolyte molten salt on the positive electrode layer to form an electrolyte layer; (3) preparing negative molten salt, and spraying the negative molten salt on the electrolyte layer to form a negative electrode layer; or, setting a lithium-boron alloy negative plate on the electrolyte layer; and (4) setting the collector plate on the negative electrode layer or the lithium-boron alloy negative plate, and performing compression moulding to obtain the thin single cell thermal battery. The preparation method disclosed by the invention is simple, and can be used for improving the discharge capacity and stability of the battery.

The invention provides a method for manufacturing a CEM (Composite Epoxy Material Grade)-3 copper-clad plate with a high dielectric constant and low loss. The method for manufacturing the CEM-3 copper-clad plate with the high dielectric constant and the low loss comprises the following steps of: firstly, preparing epoxy resin liquid; carrying out surface treatment on composite fillers; preparing composite resin liquid; preparing a bonding sheet; and finally, pressing a lamination plate. The method provided by the invention uses bisphenol A epoxy resin with low cost, good manufacturability and good dielectric properties as main resin, and the problems of the cost and the manufacturability of a product can be solved; the high-dielectric fillers are partially composited by using a special curing agent, so that a curing article has a high dielectric constant, low loss, good thermal resistance, and high mechanical strength; and the CEM-3 copper-clad plate manufactured by the method disclosed by the invention has the advantages of simple process, low cost and good properties.

The invention discloses a loudspeaker module, and relates to the technical field of an electroacoustic product. The loudspeaker module comprises a module housing; a loudspeaker monomer is accommodated in the module housing; the loudspeaker monomer divides an integral module inner cavity into two cavities, i.e. a front sound cavity and a rear sound cavity; the rear sound cavity comprises an accommodating cavity and a sound adsorption cavity which are communicated; the loudspeaker monomer is positioned in the accommodating cavity; the sound adsorption cavity is filled with sound adsorption particles; the accommodating cavity is formed by the surrounding of the module housing; the sound adsorption cavity is formed by the surrounding of a sound adsorption cavity housing; the sound adsorption cavity housing is combined with the module housing; and a netted isolation part is arranged between the sound adsorption cavity and the accommodating cavity. The sound adsorption particles of the loudspeaker module disclosed by the invention cannot be influenced by a module production assembling process, and have a good sound adsorption effect; acoustic performance of the module is obviously improved; sound quality is higher; and meanwhile, the loudspeaker module is low in assembling difficulty and high in production efficiency.

The invention relates to a hot impact extrusion process and a device for a large annular barrel type forged piece, which belongs to the technical field of hot forming of a large hollow forged piece. The process comprises the following steps: firstly, an extrusion cushion is placed on a press platform; secondly, the blanks to be heated are put on the extrusion cushion; thirdly, an extrusion cylinder is sleeved on the extrusion cushion; fourthly, a profiling punch is applied with force so that a mold cavity is filled with the blanks; fifthly, the lubricant is added; sixthly, a solid punch is applied with force so that the blanks are extruded to the set position of the process; seventhly, a hollow punch is sleeved on the solid punch and applied with pressure, so that the blanks are extruded to the set positioned of the process; eighthly, the extrusion cushion is taken out and a bottom flushing drain cap is replaced; and ninthly, the core material at the bottom is flushed out through the hollow punch. The devices required for finishing the process comprise an extrusion cylinder, an extrusion cushion, a profiling punch, a solid punch, a hollow punch, a solid extension rod, a hollow extension rod and a bottom flushing drain cap. The invention solves the difficult problems existing in the large annular barrel forged piece of long process flow of free forging, more forging times and large reverse extrusion molding for die forging and improves the utilization ratio of the material and the molding quality of the forged piece.

The invention discloses an OLED and display equipment. According to the OLED, an optical thin film laminate serves as a substrate or packaging cover plate of the OLED, wherein the optical thin film laminate comprises a circular polarizer film, a water and oxygen resistance film and a color resistance film, and the circular polarizer film, the water and oxygen resistance film and the color resistance film are located on a supporting substrate. In this way, the OLED has an anti-reflection function, good water and oxygen resistance performance and a full-color display function, and the problems that processes are tedious and cost is increased due to film pasting of the OLED are solved; in addition, the problem that curling is difficult to carry out because a flexible OLED is thickened due to film pasting is also avoided; meanwhile, the OLED has the advantages of being lighter, thinner, better in display effect and the like.

The invention discloses a method and a system for monitoring and diagnosing large scale equipment remotely. The method comprises the steps as follows: firstly, a PLC (Programmable Logic Controller) analyzes collected running data of the large scale equipment on an engineering site, and transmits the data to an internet by a 3G (the third generation telecommunication) wireless network; secondly, a monitoring center platform builds a safe information channel with the PLC by a VPN (Virtual Private Network) router and a VPN fire bulkhead; thirdly, the monitoring center platform analyzes and processes data passing by the safe information channel, and monitors and diagnoses the large scale equipment; and fourthly, the PLC controls the large scale equipment according to the detection and diagnosis results sent back by the monitoring center platform. The method and the system can enhance the data transmission rate and improves the data transmission safety.

The invention provides a blast-winning, coal loading, coal conveying and anchor rod-timbering mechanical integrated operating method and device. And the device mainly comprises: hydraulic system, hydraulic control table, track walking part, coal loading and conveying part, timbering part, and hydraulic anchor rod machine, and the method uses integrated device, scraper conveyor and gate coal conveyor; and its drivage circulating speed is 1m to 1.5 m, blast-winning and after the fumes have settled, making the integrated device enter into the operating site, and after completing coal loading and conveying, making anchor rod timbering; after completing the anchor rod timbering operation, making the integrated device exit the operating site and over 20 meters distant from the operating site, and then making drilling and blasting operation. And it improves explosion level of blast winning and resources recovery, and reduces operators.

The invention relates to a method for extracting uranium from uranium-contained niobium-tantalum leached tailings, which comprises the steps of sulfuric acid leaching, extraction, back extraction, purification, extraction and purification, back extraction and the like. Compared with the prior art, the method for extracting the uranium from the uranium-contained niobium-tantalum leached tailings is capable of reducing the raw material consumption; pretreatment processes of exploitation, mineral separation and the like are not needed; and in a practical process, energy consumption is reduced, the process problem of extracting the uranium from complicated substrates is solved, and a qualified uranium product is successfully manufactured.

The invention relates to an antibacterial comfortable anti-static compound function fabric. The fabric is formed by interweaving warp and weft and implanting electric conduction filaments. The warp and the weft are blended yarn composed of antibacterial modified polyester fiber and cotton fiber, wherein the weight content of the antibacterial modified polyester fiber in the blended yarn ranges from 60% to 65%, and the weight content of the cotton fiber ranges from 35% to 40%. The production technology process includes the steps of material and fiber compatibility portion determining, spinning, beaming, slashing, drafting and sleying, weaving, mending and managing, dyeing, after finishing and finished product detecting. The antibacterial modified polyester fiber, face cotton and the electric conduction filaments are used as main raw materials, fabric weave, the looming process and the dyeing and after finishing technical processes are reasonably designed, the process problems in weaving and after finishing of yarn are solved, and the antibacterial comfortable anti-static compound function fabric can meet the design and use requirements.

The invention discloses a servo control fire-fighting monitor. The servo control fire-fighting monitor comprises a monitor body and a monitor head, a water inlet end of the monitor body is communicated with an entrance worm-wheel shaft through a horizontal servo control mechanism, a water outlet end is communicated with an exit worm-wheel shaft through a vertical servo control mechanism, and the exit worm-wheel shaft is fixedly connected with the monitor head. According to the servo control fire-fighting monitor, by means of the electric control, action commands are issued to servo motors in the horizontal and vertical directions respectively, the water outlet of the monitor head can perform corresponding angle adjustment, and due to the structural design of the horizontal servo control mechanism and the vertical servo control mechanism, the problems that in the existing fire-fighting monitor structure, the structural processability and rigidity are poor and the rotation accuracy is low when the monitor body rotates along the horizontal plane and rotates in a direction perpendicular to the horizontal plane are effectively solved.

The invention belongs to the metallurgical field, and concretely relates to a new method for directly producing chromium-based iron alloy products in a metallurgical furnace by using a special furnace charge prepared through cutting wastes and chromium concentrate powder by monocrystalline or polycrystalline silicon. The method comprises the following steps: adding a certain amount of monocrystalline or polycrystalline silicon cutting waste powder to the chromium concentrate powder, processing through using a ball press or a disc pelletizer to prepare the spherical or block metallurgic furnace charge, and smelting in an induction furnace or an electric furnace to obtain medium-and-low-carbon ferrochrome, silicon-chromium-iron alloy and other chromium-based iron alloy products. The method reasonably and efficiently utilizes metallic silicon, silicon carbide and other high-quality high temperature metallurgical reducing agents contained in photovoltaic cutting wastes, directly uses the chromium concentrate powder, and adopts an electric-silicothermic metallurgy process through a one step technology. Compared with traditional methods, the method has the advantages of energy consumption saving, and solving of the pollution of solid wastes formed in the photovoltaic industry to the environment.

The invention discloses a method and an inhibitor capable of inhibiting foaming of ceramic tile polishing waste in high-temperature sintering. The inhibitor refers to at least one of quartz and aluminum hydroxide and contains at least one of wollastonite and borax. The method includes: mixing, by mass, 10-20% of the inhibitor, 10-20% of the ceramic tile polishing waste and 60-70% of common ceramic tile blank materials; moulding the mixture to obtain blanks; finally performing high-temperature sintering to obtain smooth and compact ceramic products. The method and the inhibitor have advantages that by adoption of quartz and aluminum hydroxide as the inhibitor, high inhibition efficiency, easiness in control and wide application range are realized; the problem of high technique implementation and control difficulty in ceramic tile polishing waste based ceramic tile production is solved; efficient recycling of the ceramic tile polishing waste is realized, structural and appearance quality of ceramic tiles can be improved, production material cost is reduced, and high utilization rate and reduction of emission pollution of waste residues and materials are realized; technical simplicity in preparation, easiness in control, wide applicability and convenience in implementation and popularization are realized.

The invention relates to a method for welding a CVD diamond thick film and hard alloy. The method comprises the steps that firstly, a double-glow plasma diffusion metal device metallizes a growth face of the CVD diamond thick film, and secondly, the double-glow plasma diffusion metal device is used for welding the metallized face and a hard alloy substrate in a brazing mode. According to the method, metal atoms are evenly diffused on the surface of the growth face of the diamond thick film according to the double-glow plasma diffusion metal technology, metal carbide is formed by the metal atoms and the diamond thick film, and superior bonding strength between a metal layer and the diamond thick film is guaranteed through chemical bonding. The metallized diamond thick film has good ground surface wettability, and a welding connector with high bonding strength can be formed through the metallized diamond thick film and the hard alloy under the heating action of plasma. The surface metallization of the diamond thick film and brazing can be finished through the same device, manufacturing production cost is greatly reduced, and industrialization can be achieved.