38results about How to "Does not significantly increase production costs" patented technology

The invention relates to drill collar steel and a preparation method thereof. The drill collar steel comprises the following components based on the total weight of drill collar steel: 0.41-0.47wt% of C, 0.15-0.3wt% of Si, 0.95-1.2wt% of Mn, 0.95-1.2wt% of Cr, 0.15-0.3wt% of Mo, 0.02-0.04wt% of Al, 0.01-0.03wt% of Ti, less than or equal to 0.02wt% of P, less than or equal to 0.015wt% of S, less than or equal to 0.2wt% of Ni, less than or equal to 0.2wt% of Cu, less than or equal to 0.05wt% of Sn, less than or equal to 0.0002 wt% of H, less than or equal to 0.007wt% of N and the balance of Fe;and T[O] is less than or equal to 0.0020wt%, and the A,B,C and D impurities are less than or equal to 1.5 levels. By using the preparation method, the problem that the strength of the drill collar steel is not matched with plastic toughness is solved.

The invention discloses an electrolyte for a lithium ion battery and a preparation method thereof. The electrolyte consists of a main electrolyte, an electrolyte additive, a main solvent and a solvent additive. The preparation method comprises the following steps of: A. under the condition of vacuum or inert gas protection, respectively mixing the main solvent and the solvent additive with a drying agent (lithium oxide) which is dried to be at constant weight in advance, and mixing and filtering to remove the lithium oxide and lithium hydroxide sediment; B. uniformly mixing the dried main solvent and the dried solvent additive from the step A; and C. adding a main electrolyte mixture and an electrolyte additive into the solvent mixed in the step B, and agitating and dissolving under the vacuum and inert gas protection to prepare a solution with the mass mol concentration of the main electrolyte of 0.5-1.5 M. The electrolyte has the advantages of abundant resources, low price and no toxin, effectively improves the work temperature range of the battery and effectively prolongs the circulating service life of the battery, so that various types of the lithium ion batteries are manufactured; and the electrolyte is particularly suitable for manufacturing a lithium ion power battery with high power capacity and high multiplying power charging and discharging capacity.

The invention relates to the technical field of aluminum nitride ceramics, and provides a production process of an ultrathin aluminum nitride ceramic substrate. The process comprises the following steps: (1) uniformly mixing aluminum nitride powder, a composite sintering aid, a UV monomer, a reactive diluent, a photoinitiator, a dispersant and a silane coupling agent to obtain ceramic slurry; (2) subjecting the ceramic slurry to tape casting on a tape casting machine, initiating a polymerization reaction through ultraviolet radiation, subjecting the slurry to in-situ curing molding to obtain a ceramic green body, and then cutting the ceramic green body into required shapes and sizes through a mold to obtain ceramic green sheets; (3) laminating the ceramic green sheets, and putting the laminated ceramic green sheets into a glue discharging furnace for glue discharging; and (4) carrying out hot pressed sintering on the ceramic blank sheet after glue discharging under the protection of nitrogen atmosphere, cooling to room temperature after the sintering, and then carrying out powder removal and polishing processes to obtain the ultrathin aluminum nitride ceramic substrate. The prepared aluminum nitride ceramic substrate is ultrathin, good in thermal conductivity and high in bending strength.

The invention discloses a high wear resistance high chromium cast iron used for a bimetallic composite tube and a preparation method thereof. The high wear resistance high chromium cast iron comprises the following chemical components by weight percentage: 2.0-3.5% of C, 1.0-3.0% of Si, 0.5-1.5% of Mn, less than or equal to 0.10% of P, less than or equal to 0.05% of S, 9.0-14.0% of Cr, 0.10% of 1.0% of V, 0.10-0.30% of Ti, and the remains are Fe and ineluctable impurities. The high chromium cast iron is based on V and Ti alloyage improvement, tissue is refined, and a hard carbide is precipitated, furthermore high wear resistance is realized; by adding a few of V and Ti elements and properly adjusting the Si content, tissue state of the high chromium cast iron can be obviously improved, excellent comprehensive mechanical property can be obtained, and impact toughness and wear resistance are obviously increased. The method has the advantages of simple process and strong operationality, compared with a composite tube lined high chromium cast iron prepared by the current technology, impact toughness is better, hardness is high, and abrasion resistance performance is greatly increased.

The invention discloses a method for strengthening sintering of high-proportion iron ore concentrate. The sintering raw material is divided into two materials and then palletized. The first material comprises a part of the iron ore concentrate, quick lime and coke powder separated from the sintering raw material, first-stage palletizing is carried out on the first material, then second-stage palletizing is carried out on the first material and the second material, and the second material comprises a part of the iron ore concentrate, quick lime, coke powder, ore fines, lime stone, dolomite and return fines. By distributing the concentrate, the quick lime and the coke powder in the two materials reasonably, the purposes of palletizing strengthening and sintering mineralizing are achieved. For sintering of an iron mine with the iron ore concentrate accounting for 50-70 percent of the total mass of the iron core, after the strengthening technology is utilized, the utilization factor of a sintering machine is improved by 0.05-0.3t / (m<2>.h), the sinter yield is improved by 1-4 percent, the drum strength is improved by 0.5-4 percent, and the output index and the quality index of sintering of the high-proportion iron ore concentrate are improved.

The invention discloses a solid super acid and application thereof in preparing 4,4'-diaminodiphenylmethane. The solid super acid is prepared from waste pulverized fuel ash of a coal fired power plant. A preparation method of the solid super acid comprises the steps of: treating the pulverized fuel ash, treating screenings, dipping the screenings into in a 10mol / l sulfuric acid solution for 1-10 hours, carrying out suction filter, and sintering filter residues at 450-650 DEG C for 4 hours to obtain the solid super acid. The invention not only provides a new approach to the utilization of the waste pulverized fuel ash, but also solves the problem of environmental pollution caused by the pulverized fuel ash, and has important social and economic significance. Since the solid super acid provided by the invention has an extremely low cost and a simple preparation method, the prepared solid super acid has low price and good marketization prospect.

The invention provides a method to remove residual polymer during etching process. Firstly, a wafer is processed with dry etching in a main etching chamber; then the anticorrosion protective film of the wafer is removed in a decoating chamber; finally, the wafer is again disposed into the main etching chamber for dry etching for the second time; in this way, the residual polymer in the etching process can be gotten rid of. Compared with prior art, the method described by the invention is easy to realize and can thoroughly remove the residual polymer and eliminate coronary defects without increasing production cost by a large margin.

The invention discloses a subzero temperature-gust quick semi-unfreezing process of frozen platy meat products. The subzero temperature-gust quick semi-unfreezing process comprises the following steps: loading the frozen platy meat products on unfreezing racks, placing the unfreezing racks in a subzero temperature unfreezing room with the room temperature being not higher than -6 DEG C, monitoring the center temperature and the surface temperature of the meat products by setting four frozen meat products as references, and enabling the center temperature of the frozen platy meat products to be -8+ / -1 DEG C by taking the center temperatures and the surface temperatures of the references as control nodes of a gust opening / closing procedure and at the air speed of (3-6)+ / -0.9m / s during opening, so that the state of internal / external balanced semi-unfreezing is achieved under the subzero temperature-gust unfreezing condition that the center / surface temperature difference is 0.5-1.5 DEG C. The subzero temperature-gust semi-unfreezing process has the positive effects that 1, the frozen platy meat products can quickly achieve the unfreezing state needed for quickly-frozen prepared foods; 2, the center / surface temperature difference after semi-unfreezing is less and the internal / external unfreezing degree is balanced; 3, the subzero temperature-gust quick semi-unfreezing process can be applied to quick unfreezing of large batches of frozen meat products; and 4, the energy consumption of semi-unfreezing is less and the production cost cannot be greatly increased.

The invention discloses a steel for drilling tools and a method for smelting steel for drilling tools. On the basis of the total weight of the steel for drilling tools, the steel comprises 0.4-0.49 wt% of C, 0.15-0.37 wt% of Si, 1-1.3 wt% of Mn, 1-1.3 wt% of Cr, 0.2-0.3 wt% of Mo, 0.02-0.04 wt% of Al, 0.25-0.5 wt% of Ni, at most 0.015 wt% of P, at most 0.015 wt% of S, at most 0.2 wt% of Cu, at most 0.05 wt% of Sn, at most 0.05 wt% of As, at most 0.0002 wt% of H, at most 0.009 wt% of N and the balance of iron. The T[O] content in the steel for drilling tools is at most 0.002 wt%. The steel for drilling tools disclosed by the invention has higher strength, ductility and toughness than the steel for drilling tools provided by the prior art. Thus, the invention provides the steel for drilling tools with high strength, high toughness and favorable fatigue resistance on the premise of not greatly increasing the steel product production cost.

The invention provides a metal wire manufacturing method of a flexible substrate. The method comprises a step of preparing a polyimide solution containing bubbles, a step of coating a substrate with the polyimide solution containing bubbles, a step of carrying out baking-curing and forming a polyimide layer with concave holes on the substrate, a step of depositing a metal layer on the polyimide layer, and a step of patterning the metal layer and forming wavy metal wires on the polyimide layer. According to the method, through simple steps, the wavy metal wires are formed on the substrate, the formed metal wires can release the stress of the formed metal wires in the bending of the flexible substrate, and the bending resistance and reliability of the flexible substrate are improved.

The invention discloses a solid super acid and application thereof in preparing 4,4'-diaminodiphenylmethane. The solid super acid is prepared from waste pulverized fuel ash of a coal fired power plant. A preparation method of the solid super acid comprises the steps of: treating the pulverized fuel ash, treating screenings, dipping the screenings into in a 10mol / l sulfuric acid solution for 1-10 hours, carrying out suction filter, and sintering filter residues at 450-650 DEG C for 4 hours to obtain the solid super acid. The invention not only provides a new approach to the utilization of the waste pulverized fuel ash, but also solves the problem of environmental pollution caused by the pulverized fuel ash, and has important social and economic significance. Since the solid super acid provided by the invention has an extremely low cost and a simple preparation method, the prepared solid super acid has low price and good marketization prospect.

The invention belongs to the technical field of an assembling type environment-friendly energy-saving building and solar energy comprehensive utilization, and particularly to a glass panel in the thinfilm power generation field of a glass curtain wall or a glass roof for a building external fa ade, and particularly to a glass panel for a solar photovoltaic cell and a preparation method thereof. The glass panel for the solar photovoltaic cell comprises a substrate. The substrate is divided into a pattern area and a contrasting area. A plurality of pattern area optical structure unit configurations are arranged and fixed in the pattern area. A plurality of contrasting area optical structure unit configurations are arranged and fixed in the contrasting area. The glass panel and the preparation method thereof have advantages of (1), no luminous flux is changed, great light transmittance reduction of incident light is prevented, and high power generation efficiency is ensured; (2), throughstructure change of the geometric configuration, color brightness change is generated, thereby improving visual impact of a decorative pattern; and (3), decorative performance of the photovoltaic glass curtain wall and the roof is improved, and furthermore great increase of manufacturing cost is prevented.

The invention discloses a lever type flip automatic flushing closestool. The lever type flip automatic flushing closestool comprises a closestool body, a closestool cover and a water tank; a flushingvalve in the water tank is opened through a lifting connecting rod; a lever mechanism is arranged in the water tank; a starting mechanism and a linkage switching mechanism are arranged at the joint ofthe closestool cover and the closestool body; the lever mechanism is arranged on the front wall of the water tank to connect the lifting connecting rod with the gear starting mechanism; the startingmechanism comprises a starting arm rotating shaft, a gear mechanism and a starting arm; the t closestool cover rotating shaft is in transmission with the starting arm rotating shaft through the gear mechanism, the starting arm rotating shaft is rotationally installed on the closestool body, the linkage switching mechanism controls the transmission relation between the starting arm and the startingarm rotating shaft, and the tail end of the starting arm is connected with the lever mechanism through a tension spring. The flushing valve is started to flush water while the closestool cover is closed, and design and transformation on the basis of the prior art are facilitated.

The invention provides a preparation method for a solar battery emitting electrode, comprising the steps of (A), texturing, diffusing and etching a silicon wafer to obtain a pretreated silicon wafer; and B) oxidizing the pretreated silicon wafer by ozone to form an oxide layer on the surface, and then removing the oxide layer by a hydrofluoric acid solution to obtain the solar battery emitting electrode. Compared with the prior art, the preparation method uses ozone to oxidize the pretreated silicon wafer to form the oxide layer on the surface at the normal temperature, and then the hydrofluoric acid solution is used to remove the oxide layer, so that the dead layer of the emitting electrode can be effectively removed, the short-wave spectral response of the solar battery is accelerated, and the battery efficiency is improved; and in addition, the preparation method is simple and controllable without dramatically increasing the production cost, so that the preparation method is suitable for large-scale production.

Disclosed is a treatment method for controlling browning of fresh-cut taros. The method comprises the following operation steps that the taros are peeled, cut into halves, blanched with hot water at 60-100 DEG C for 20-60 seconds, fished out and drained; then citronella hydrolat is sprayed onto the surfaces of the fresh-cut taros, moisture is drained off, and the taros are packaged with a 0.01mm polyethylene plastic thin film and stored in a constant-temperature box at 4-8 DEG C. The method has the advantages that a chemical anti-browning agent is not adopted, the method is safe and efficient,and the shelf life at least can be prolonged by 9 days; the operation is simple and easy to implement, the production cost is not significantly increased, and the method has significant economic benefits.

The invention relates to a method for increasing the interlayer binding force of a superconducting narrow headed wire. The method comprises the following steps: S1, stacking a superconducting strip and other metal strips which are equal in width, and then tinning and packaging the stacked superconducting strip and other metal strips into a high-temperature superconducting narrow headed wire through a tinning furnace; S2, punching holes in the surface of the narrow-headed wire obtained in the step S1, wherein the holes are through holes; S3, re-packaging the through holes of the narrow pile lines obtained in the step S2. According to the invention, a tin-plated packaging mode is adopted after the narrow headed wire is punched, and a'soldering tin column 'is formed by penetrating through all upper and lower layers of the narrow headed wire, so the weight and the size of the narrow headed wire are not influenced, the manufacturing cost is not greatly increased, and the feasibility is provided for practical engineering application; in mechanical operations of twisting, bending and the like, compared with a metal sheath, the soldering tin column is smaller in size, higher in toughness and capable of better meeting application requirements under working conditions.

The invention provides a metal wire manufacturing method of a flexible substrate. The method comprises a step of preparing a polyimide solution containing bubbles, a step of coating a substrate with the polyimide solution containing bubbles, a step of carrying out baking-curing and forming a polyimide layer with concave holes on the substrate, a step of depositing a metal layer on the polyimide layer, and a step of patterning the metal layer and forming wavy metal wires on the polyimide layer. According to the method, through simple steps, the wavy metal wires are formed on the substrate, the formed metal wires can release the stress of the formed metal wires in the bending of the flexible substrate, and the bending resistance and reliability of the flexible substrate are improved.

The invention belongs to the technical field of robots and aims to provide a robot and a foot structure thereof. The foot structure of the robot comprises a foot main body and an adapter bracket usedfor driving the foot main body to move, wherein the foot main body comprises an instep shell the middle part of which is connected with the adapter bracket, a bottom plate the the bearing wall of which is connected to the instep shell and covers the cavity of the instep shell, and a pad plate the buffer wall of which is connected to a connecting wall of the bottom plate and has a buffer function.According to the invention, on the premise that the production cost is not greatly increased and the foot structure is not complicated, the buffer wall of the pad plate is arranged to be a middle concave structure, so that the middle part of the buffer wall of the pad plate is not contacted with the connecting wall of the bottom plate, so that the pad plate is correspondingly deformed in the walking process of the foot main body to further enhance the absorption or buffering of the reaction impact force to the ground. According to the robot and the foot structure thereof, the absorption capacity of impact force is enhanced, and the walking posture is more stable and natural.

The invention provides a method for casting an antiwear shot blasting machine blade. The method comprises the following steps that S1, green sand is utilized for carrying out modeling on a casting of the antiwear shot blasting machine blade, and dry sand is utilized for carrying out core making on the casting of the antiwear shot blasting machine blade; S2, casting lower surface parting of the antiwear shot blasting machine blade is selected, and a bottom gating system is selected; S3, the dimensional tolerance, the casting weight tolerance, the shrinking percentage, the pattern draft and the air outlet hole dimension during casting are determined; S4, an alloy is subjected to smelting and casting; and S5, after the casting is put in the temperature being 900 DEG C for heat preservation for 0.5 h after casting is carried out, the casting is taken out of a furnace to be cooled, and the casting is cooled after being subjected to heat preservation tempering for 0.5 h at the temperature being 220 DEG C. The method for casting the antiwear shot blasting machine blade has the following beneficial effects that by means of the method, a structure growing perpendicularly to the direction of the wear face of the blade can be obtained, on the premise of no greatly improving production cost, the wear resistance of the structure is greatly improved, and application is wider.

Provided is a liquid crystal display comprising at least a repairing wire (40), a shorting bar area (50), a data line bonding pad (60), a plurality of test lines (100) connected with shorting bars in the shorting bar area (50) and the data line bonding pad (60) during testing, a wiring area (70), a display area (80), a plurality of data lines (82) passing through the wiring area (70) and the display area (80). First ends of the data lines (82) are electrically connected with the data line bonding pad (60) and second ends of the data lines (82) extend below the display area (80). The repairing wire (40) comprises a first portion (41), a second portion (42) and a third portion (43). The first portion (41) is insulatingly crossed with the test lines (100), the second portion (42) is insulatingly crossed with the second ends of the data lines (82), and the third portion (43) is connected with the first portion (41) and the second portion (42) during repairing. Broken line repairing of the data lines (82) in the display area (80) and the wiring area (70) of a liquid crystal panel for the liquid crystal display can be achieved without greatly increasing the production cost of the liquid crystal display.

The invention provides a method to remove residual polymer during etching process. Firstly, a wafer is processed with dry etching in a main etching chamber; then the anticorrosion protective film of the wafer is removed in a decoating chamber; finally, the wafer is again disposed into the main etching chamber for dry etching for the second time; in this way, the residual polymer in the etching process can be gotten rid of. Compared with prior art, the method described by the invention is easy to realize and can thoroughly remove the residual polymer and eliminate coronary defects without increasing production cost by a large margin.

The invention belongs to the field of assembled green energy-saving building and solar energy comprehensive utilization technologies and relates to a glass panel for the thin film power generation field of glass curtain walls or glass roofs for building facades, in particular to a glass panel for a solar photovoltaic cell and a preparation method of the glass panel. The panel for the solar photovoltaic cell comprises a substrate; a pattern area is distributed on the substrate; a plurality of pattern area optical structure unit configurations are arranged and fixed on the pattern area. With theglass panel for the solar photovoltaic cell and a preparation method of the glass panel of the invention adopted, luminous flux is not changed, and the sharp decrease of the light transmittance of incident light can be avoided, and power generation efficiency can be ensured; the change of the degree of color shading is generated by means of the structural change of the geometric configurations, and therefore, the visual impact of decorative patterns can be highlighted; and the decorativeness of photovoltaic glass curtain walls and roofs can be enhanced, and production costs will not be significantly increased.

The invention discloses a method for effectively inhibiting thermal decomposition of phosphorus trichloride in the preparation process of monoalkyl phosphine dichloride. The method comprises the following steps: adding an auxiliary agent together with phosphorus trichloride in the preparation process of monoalkyl phosphine dichloride, wherein the auxiliary agent is a chlorobenzene aromatic compound, and the mass ratio of the auxiliary agent to phosphorus trichloride is 20: 1-0.1: 1. The method is simple and effective, and decomposition of phosphorus trichloride can be efficiently inhibited by adding a small amount of auxiliaries, so that the utilization rate and conversion rate of phosphorus trichloride are improved. Meanwhile, after the reaction is finished, thorough separation of the auxiliary agent can be realized by simply controlling the temperature of a reaction mixture. According to the method, the effect is excellent, the production cost is not greatly increased, and meanwhile, the addition of the auxiliary agent does not cause side reaction, so that the method is suitable for large-scale industrial production requirements.

The invention discloses an alloying method for inducing an icosahedron quasicrystal phase to be subjected to in-situ synthesis to reinforce cast aluminum-lithium alloy, and relates to the method for inducing the quasicrystal phase to be subjected to in-situ synthesis to reinforce the cast aluminum-lithium alloy. The method aims to solve the technical problems that in the existing aluminum-lithium alloy casting process, a large number of delta'-Al3Li particles are separated out, the coplanar slippage tendency is intensified, the stress concentration phenomenon at the grain boundary is more obvious, and the obdurability of the alloy is obviously reduced. The invention relates to the alloying method for inducing the quasicrystal phase to be subjected to in-situ synthesis to reinforce the cast aluminum-lithium alloy, the separation-out number of Al3Li reinforcing particles in the quasicrystal reinforced cast aluminum-lithium alloy is inhibited, meanwhile, the separation-out number of icosahedron quasicrystal phases T2-Al6CuLi3 is greatly increased, and the product of strength and ductility of alloy is improved by more than five times.

The invention discloses a lever-type reversible automatic flushing toilet, which comprises a toilet body, a toilet cover and a water tank. The flushing valve in the water tank is opened by lifting a connecting rod. The joint of the toilet body is provided with a starting mechanism and a linkage switching mechanism. The lever mechanism is arranged on the front wall of the water tank to connect the lifting link and the gear starting mechanism. The starting mechanism includes a starting mechanism. Arm rotating shaft, gear mechanism and starting arm, the rotating shaft of the toilet lid is transmitted with the rotating shaft of the starting arm through the gear mechanism, the rotating shaft of the starting arm is installed on the body of the toilet, and the linkage switching mechanism controls the starting arm The transmission relationship between the arm and the rotating shaft of the starting arm, the end of the starting arm is connected with the lever mechanism through a tension spring. The invention realizes closing the toilet lid and simultaneously starting the flushing valve for flushing, which is convenient for design and modification in the prior art.

The invention discloses a method for strengthening sintering of high-proportion iron ore concentrate. The sintering raw material is divided into two materials and then palletized. The first material comprises a part of the iron ore concentrate, quick lime and coke powder separated from the sintering raw material, first-stage palletizing is carried out on the first material, then second-stage palletizing is carried out on the first material and the second material, and the second material comprises a part of the iron ore concentrate, quick lime, coke powder, ore fines, lime stone, dolomite and return fines. By distributing the concentrate, the quick lime and the coke powder in the two materials reasonably, the purposes of palletizing strengthening and sintering mineralizing are achieved. For sintering of an iron mine with the iron ore concentrate accounting for 50-70 percent of the total mass of the iron core, after the strengthening technology is utilized, the utilization factor of a sintering machine is improved by 0.05-0.3t / (m<2>.h), the sinter yield is improved by 1-4 percent, the drum strength is improved by 0.5-4 percent, and the output index and the quality index of sintering of the high-proportion iron ore concentrate are improved.