32results about How to "Improve breakthrough" patented technology

The invention mainly discloses a production process of a nuclear bolt. A 42CrMoE steel material is adopted as a raw material, and the nuclear bolt is produced by blank preparation, heat treatment, surface treatment and flaw detection, wherein the raw material of 42CrMoE comprises the following chemical components by mass percent: 0.38 to 0.48 of C, 0.10 to 0.40 of Si, 0.75 to 1.00 of Mn, no more than 0.025 of P, no more than 0.015 of S, 0.80 to 1.15 of Cr, 0.15 to 0.30 of Mo and the balance of Fe. The product obtained by production in the invention meets the requirements of nuclear 1-stage equipment, nuclear 2-stage equipment and nuclear 3-stage equipment, and the strength, the hardness and the impact resistance all reach standards.

The invention provides a method used for producing hydrogen by taking cellulose as a raw material. The method comprises following steps: 1, microwave acid digestion; 2, enzyme hydrolysis; 3, dark fermentation hydrogen production; 4, photo fermentation hydrogen production; and 5, purification. The method is high in hydrogen yield, hydrogen production efficiency, substrate utilization ratio, and energy conversion efficiency.

This invention relates to a drilling machine, which comprises workpiece, driving unit, execution unit, controlling unit and energy supply unit according to the order of the controlling, dynamic and energy delivery, characterized in that inside the system it adds the vibrating unit, applying vibrodrill mode to process; the drill bit will do axial harmonic vibration except the ordinary rotating and feed. This invention also discloses a drilling method based on the said drilling machine, characterized in that when drilling, the drill bit will do axial harmonic vibration except ordinary rotating and feed.

The invention provides a method used for producing hydrogen by taking cellulose as a raw material. The method comprises following steps: 1, microwave alkali digestion; 2, enzyme hydrolysis; 3, dark fermentation hydrogen production; 4, photo fermentation hydrogen production; and 5, purification. The method is high in hydrogen yield, hydrogen production efficiency, substrate utilization ratio, and energy conversion efficiency.

The invention provides an automatic high speed lancing device by layered conveying, aiming at solving the problem that working performance can not be improved by duplication owning to pause caused bythe fact that the next bag body can be delivered into a carrying mechanism only one bag body is horizontally completely moved away from the carrying mechanism in the existing automatic lancing deviceimproving working performance by distributary operation. The key points of the technical scheme are as follows: the device comprises a frame and lapping bag material longitudinal conveying mechanism,a cutting mechanism, a swing distributor, two or more rear longitudinal conveying mechanisms, two or more horizontal conveying mechanisms and two or more automatic lancing machines arranged on the frame; wherein each rear longitudinal conveying mechanism is arranged in a layering way, and the swing distributor is arranged behind the cutting mechanism and is respectively in fit with each rear longitudinal conveying mechanism by changing conveying angle by repeat swinging. The rear part of the rear longitudinal conveying mechanism can be provided with a gauge.

The invention provides a method for two-step fermentation of a starchy raw material with a mixed strain to produce hydrogen. The method comprises the steps of: (1) liquefaction; (2) saccharification; (3) dark fermentation to produce hydrogen; (4) photo-fermentative hydrogen production; and (5) purification. The method provided by the invention has excellent hydrogen production rate, hydrogen production velocity, substrate utilization rate and energy conversion efficiency.

The invention mainly discloses a production technology of an improved bolt. The production technology comprises the steps that 42CrMoE rolled steel is adopted as a raw material, a blank is prepared, heat treatment is conducted, surface treatment is conducted, and defectoscopy is conducted, wherein the raw material 42CrMoE comprises the chemical components in percentage by mass: 0.38%-0.48% of C, 0.10%-0.40% of Si, 0.75%-1.00% of Mn, smaller than or equal to 0.025% of P, smaller than or equal to 0.015% of S, 0.80%-1.15% of Cr, 0.15%-0.30% of Mo, and the balance of Fe. According to the production technology of the improved bolt, products obtained through the technology meet the requirements of nuclear power first-level equipment, nuclear power second-level equipment and nuclear power third-level equipment, and the strength, the hardness and impact resistance are all up to the standard.

The invention aims at providing an acid-proof and high temperature-resistant adhesive, which has strong acid resistance, good heat resistance, high weather fastness and good thixotropy, and is easy to operate. The acid-proof and high temperature-resistant adhesive is composed of a component A and a component B, wherein the component A comprises the following ingredients in parts by mass: 3-4 parts of 107 silicon rubber, 3-6 parts of inorganic nano material and 0-4 parts of accessory ingredients; the component B comprises the following ingredients in parts by mass: 3-4 parts of 201 silicone oil, 3-4 parts of imported carbon black, 1-2 parts of thixotropic agent, 1-2 parts of plasticizer, 0.5-1 part of chain extender, 1-2 parts of cross-linking agent, 0.2-1 part of coupling agent and 0.1-A parts of catalyst. The acid-proof and high temperature-resistant adhesive has good thixotropy, is easy to operate, and can be simply operated in the field.

The invention mainly discloses a bolt production process. 42CrMoE steel is used as a raw material, and blank preparation, heat treatment, surface treatment and flaw detection are carried out, whereinthe raw material 42CrMoE comprises chemical compositions including, by mass, 0.38%-0.48% of the C content, 0.10%-0.40% of the Si content, 0.75%-1.00% of the Mn content, not larger than 0.025% of the Pcontent, not larger than 0.015% of the S content, 0.80%-1.15% of the Cr content, 0.15%-0.30% of the Mo content and the balance Fe. A product produced by the process meets the requirements of nuclearpower first, second and third stage equipment, and the strength, hardness and impact resistance are up to the standard.

The invention mainly discloses a production process of bolts. 42CrMoE steel is adopted as a raw material, and the steps of blank preparation, thermal treatment, surface treatment and flaw detection are carried out, wherein the raw material 42CrMoE is prepared from, by mass, 0.38%-0.48% of C, 0.10%-0.40% of Si, 0.75%-1.00% of Mn, smaller than or equal to 0.025% of P, smaller than or equal to 0.015%of S, 0.80%-1.15% of Cr, 0.15%-0.30% of Mo and the balance Fe. The produced products meet the requirements of nuclear power first-level, second-level and third-level equipment, and the strength, hardness and impact force resistance all meet standards.

The invention discloses a PTFE (polytetrafluoroethylene) thin film. The PTFE thin film is prepared from components in a raw material formula in parts by weight as follows: 75-95 parts of PTFE, 15-18 parts of polyacrylamide, 7-10 parts of calcium carbonate, 2-3 parts of glass fibers, 3-5 parts of talcum powder, 1-2 parts of silicon dioxide, 1-2 parts of carbon black, 6-8 parts of polyurethane and 13-15 parts of polyimide. With the adoption of the formula with the reasonable ratio, further, new components including the glass fibers, the talcum powder, silicon dioxide, carbon black, polyurethane,polyimide and the like are added to the raw material formula, the ratio of the components is reasonably defined, so that by the aid of the ingenious component ratio, not only is integration of the components greatly improved, but also performance of the components is unexpectedly improved, finally, a product has the advantages of being good in resistance to heat, acid and base, resistant to wear,light, non-toxic, odor-free and the like, and stretching capacity, heat conductivity, corrosion resistance and smoothness of the product are improved dramatically.

The invention mainly discloses a bolt production technology. A 42CrMoE steel material is used as a raw material, and blank preparation, heat treatment, surface treatment and flaw detection are carriedout. The raw material 42CrMoE is prepared from chemical ingredients comprising, by mass, 0.38%-0.48% of C, 0.10%-0.40% of Si, 0.75%-1.00% of Mn, 0.025% or less of P, 0.015% or less of S, 0.80%-1.15%of Cr, 0.15%-0.30% of Mo and the balance Fe. The product obtained in the production meets the requirements of nuclear power level 1, 2 and 3 equipment, and the strength, hardness and impact resistanceall meet standards.

The invention relates to an improvement on a connecting joint device and particularly relates to a novel quick coupling device for a pressure gauge, the clamping action, the sealing action, the pressure supply action and the dismounting action of the pressure gauge can be achieved through on-off control over a calibration gas circuit, a clamping and loosening driving gas circuit and a sealing gascircuit, that pressure can be stably supplied while the pressure gauge is clamped is guaranteed, and dismounting is convenient. The device comprises an outer sleeve (1), a clamping jaw (2), a sealingring movable sleeve (3), a floating inner pipe (4), a tensioning sleeve (5), a sealing pressure-bearing sleeve (6) and a base (8), wherein the floating inner pipe (4) is arranged in the tensioning sleeve (5) and is in sliding fit with the tensioning sleeve (5), the sealing ring movable sleeve (3) is arranged at the top of the floating inner pipe (4), the clamping jaw (2) is arranged on an upper portion of the tensioning sleeve (5), the sealing pressure-bearing sleeve is arranged on a lower portion of the tensioning sleeve, and the tensioning sleeve can be in rotating fit with the clamping jaw.

The invention provides an LED light source improvement method. According to the method, LED lamp beads with at least two different specification parameters are arranged on a substrate in a mixing manner. Based on the LED light source improvement method, a provided breakthrough concept is that the LED lamp beads with different specification parameters are arranged on the same substrate so as to improve the utilization ratio of the LED lamp beads and improve the luminous uniformity of a whole LED light source. Moreover, according to the method, the LED lamp beads with at least two different specification parameters are mixedly arranged in a different manner, so that the whole LED light source can meet the use requirements of specification parameters after being mixed, the luminous uniformity of the whole LED light source is better, and the problems of discreteness of the LED lamp bead specification parameters and uneven lighting of the LED light source in a current LED preparation technology are solved.

The invention mainly discloses a production process of a high-performance bolt. 42CrMoE steel is adopted as a raw material, and blank preparation, heat treatment, surface treatment and flaw detectionare carried out, wherein the raw material 42CrMoE comprises the following chemical components in percentage by mass: 0.38-0.48% of C, 0.10-0.40% of Si, 0.75-1.00% of Mn, less than or equal to 0.025% of P, less than or equal to 0.015% of S, 0.80-1.15% of Cr, 0.15-0.30% of Mo and the balance Fe. The product produced by the production process meets the requirements of nuclear power first-level, second-level and third-level equipment, and the strength, hardness and impact resistance all reach the standard.

The invention discloses a PP (polypropylene) thin film. The PP thin film is prepared from components in a raw material formula in parts by weight as follows: 50-60 parts of PP random copolymers, 15-20parts of PP block copolymers, 8-10 parts of polyethylene, 7-10 parts of calcium carbonate as a filling agent, 2-3 parts of glass fibers, 3-5 parts of talcum powder, 1-2 parts of silicon dioxide as alubricant, 1-2 parts of carbon black as a coloring agent, 6-8 parts of amino resin and 13-15 parts of octadecanol. The formula with a reasonable ratio is adopted, new components including the glass fibers, the talcum powder, silicon dioxide, carbon black, amino resin and the like are added to the raw material formula, the ratio of the components is reasonably defined, so that by the aid of the ingenious component ratio, not only is integration of the components greatly improved, but also performance of the components is unexpectedly improved, finally, a product has the advantages of being goodin resistance to heat, acid and base, resistant to wear, light, non-toxic, odor-free and the like, and tear resistance, oxidation resistance, corrosion resistance and smoothness of the product are improved dramatically.

The invention provides a method for producing chlorfenapyr intermediate pyrrole by replacing acetonitrile with a solvent DMF. The solvent DMF is used for replacing acetonitrile. The method for producing the chlorfenapyr intermediate pyrrole by replacing acetonitrile with the solvent DMF comprises the following steps: extraction replacement, heat preservation reaction and condensation desolvation. The method has the beneficial effects that the reaction temperature of the pyrrolation cyclization reaction for preparing the intermediate is increased to 80 DEG C, the yield is increased to 90% or above in a breakthrough manner, the consumed solvent amount is reduced by more than 30%, the production cost is reduced by about 86%, the production cost is greatly reduced, and the production burden of enterprises is reduced.

The invention discloses a fermentation method which uses Phaffia rhodozyma to coproduce astaxanthin and Fructooligosaccharide, comprising the following main technical flows: culturing strains, carrying out high-yield fermentation on astaxanthin, replenishing high-concentration cane sugar and glucose syrup, and controlling the condition to covert and produce Fructooligosaccharide. The invention is mainly characterized in that when astaxanthin fermentation almost ends, the mixture of high-concentration cane sugar and glucose syrup is replenished, and the Fructooligosaccharide is obtained by conversion. The method utilizes Phaffia rhodozyma cultured in one batch to simultaneously produce astaxanthin and Fructooligosaccharide at high yield, thus greatly lowering the cost for culturing Phaffia rhodozyma and producing astaxanthin.

The utility model discloses a technology for treating coking wastewater by using a novel feeding activated sludge method, which comprises the following steps: biochemical treatment process is carried out on the pretreated wastewater, the coking wastewater first enters an A-grade biochemical pond to provide carbon sources for denitrification, and then the coking wastewater enters a 0-grade biochemical pond for carrying out oxidation and nitration under aerobic environment, the effluent water of the 0-grade biochemical pond enters a secondary sedimentation tank; the supernatant from the secondary sedimentation tank enters a subsequent-stage treatment system and one part of settling sludge refluxes and enters the A-grade biochemical pond and 0-grade biochemical pond; the other part of the settling sludge enters a sludge thickener. As flocculants are added into the biochemical pond, the ability of tolerating loads is greatly improved, and shock resistance is also greatly enhanced; the area of the biochemical reaction pond is reduced to 70 percent of the area of the reaction pond of traditional feeding activated sludge method, so investment costs are saved and operation costs are decreased; while the decolorizing ratio of the technology to coking wastewater, black liquor and chloromycetin wastewater can reach to more than 80 percent.

The invention discloses a signal conversing device of static multipoint strain gauge, which comprises the following parts: several detecting point conversing circuit, conversing controller and center controller, wherein the detecting point conversing circuit contains first input end A, second input end C, first output end B, second output end D, fifth relay K5, sixth relay K6, seventh relay k7, first fixing resistance R1, second fixing resistance R2, first switch-in point RX1, second switch-in point RX2, third switch-in point RX3, forth switch-in point RX4. The invention reduces error from 0.5 percent to 0.3 percent, which improves conversing speed obviously.

The invention provides a copper film shielded transposition wire, which relates to the technical field of transformers. The structure includes that a shielding wire layer is sandwiched inside a single transposed conductor or between two combined transposed conductors, the single transposed conductor is composed of two rows of multiple single flat wires, the The shielded wire layer is copper film shielded wire layer. There is one copper film shielded wire layer, or two or more copper film shielded wires are arranged side by side. The structure of the copper film shielded wire is as follows: A copper film is provided on the outside, and an insulating material layer is provided on the outside of the copper film. The positive effects of the present invention are: overcome the deficiencies of the prior art, the copper film shielded transposition wire has a simple structure, good shielding effect, light weight, and saves copper material; it has wide application and is a good substitute for the common shielded transposition wire The product is especially suitable for the inner shielding wire used in the transformer winding; its manufacturing process is good, the efficiency is high, and the manufacturing cost is greatly saved.

The invention discloses an intelligent wheel anti-collision system, and belongs to the technical field of automobile safety. In order to timely increase the contacting area and friction force of a tire and a road surface during emergency braking at a critical juncture for improving the braking effect, according to the following adopted technical measures, a microphone, a Doppler detecting device and / or a distance measuring device are mounted on an automobile, the microphone, the Doppler detecting device and / or the distance measuring device are connected with a computer, and the computer is connected with a cover opening device; a pressure reducing valve communicates with an inner cavity of the tire and is mounted on a wheel hub of a wheel, an exhaust port of the pressure reducing valve issealed by an exhaust cover which can be opened, and an cover opening groove or other devices being facilitated for cover opening is machined in the exhaust port; the pressure reducing valve communicates with the inner cavity of the tire and is wrapped by a sealed container and is mounted on the wheel hub of the wheel; and the cover opening device is mounted on the circumference where the exhaust cover passes. According to the anti-collision system of the intelligent wheel, an exhaust device is mounted on the tire, air pressure of the tire can be lowered instantly under controlling of a personor a computer, and the contacting area of the tire and the road surface is increased greatly.

The invention discloses a method for preparing a novel compound protein fiber through enzyme treatment combined with electrostatic spinning. The method comprises the following steps: preparing a zein solution, preparing a casein solution, preparing wheat gluten suspension liquid, preparing a mixed solution of zein, casein and wheat gluten, processing the mixed solution of zein, casein and wheat gluten by glutamine transaminase in a cross linking way, performing the operation of electrostatic spinning for the mixed solution processed by the glutamine transaminase in a cross linking way, and obtaining the novel compound protein fiber. The method for preparing the novel compound protein fiber through enzyme treatment combined with the electrostatic spinning adopts the glutamine transaminase to catalyze the cross linking reaction of the zein, the casein and the wheat gluten, the novel compound fiber is prepared by the electrostatic spinning, the average diameter of the prepared fiber reaches the nanometer stage, and the breakthrough method is provided to improve regenerated fiber materials, so that natural protein fibers can be better applied.

The present invention provides a technological method for windowing the shrapnel and discharging the wasted piece. The wasted shrapnel of internal frame is sucked by shrapnel, doctor blade and air suction gathering system. The shrapnel is installed with a 45 DEG direction in the surface of mold-cut product material. The doctor blade which is inclined is installed in front of the planar surface of mold-cut product material and shrapnel. The tip of doctor blade is positioned adjacently with the planar surface of mold-cut product material. An air suction port of air suction gathering system is positioned above the planar surface of mold-cut product material. The process of planar moving of mold-cut product material comprises the following steps: a first step, springing the side of inner frame of product with the shrapnel which forms 45 DEG to the surface of mold-cut product; a second step, shaving the inner frame wasted piece which has one sprung side off the surface of mold-cut product material; and a third step, sucking the wasted piece which is shaved from the surface of mold-cut product material with the air suction gathering system. The method of the invention increases the efficiency and saves labor cost. The on-line wasted piece discharging can be realized and the subsequent packaging trimming personnel is not required. Real-time on-line wasted piece discharging is realized on the machine and the phenomenon of adhesion does not exist. The finished product rate is up to 95% and is increased for 10% compared with the prior art.

The invention discloses a signal conversing device of static multipoint strain gauge, which comprises the following parts: several detecting point conversing circuit, conversing controller and center controller, wherein the detecting point conversing circuit contains first input end A, second input end C, first output end B, second output end D, fifth relay K5, sixth relay K6, seventh relay k7, first fixing resistance R1, second fixing resistance R2, first switch-in point RX1, second switch-in point RX2, third switch-in point RX3, forth switch-in point RX4. The invention reduces error from 0.5 percent to 0.3 percent, which improves conversing speed obviously.

The invention discloses a hollow fiber membrane spinneret device. The device comprises a flow guide module, core liquid flow control modules, material liquid flow control modules and independent spinneret bodies, wherein the flow guide module comprises a flow guide base, a core liquid flow guide plate and a material liquid flow guide plate, the independent spinneret bodies penetrate through mounting holes formed in the material liquid flow guide plate and core liquid cavities formed in the core liquid material guide plate, and the independent spinneret bodies are coaxial with the mounting holes and the core liquid cavities. According to the device, the structure is simple, the operation is convenient, each spinneret hole can be independently controlled, core liquid and material liquid flowwell, the production assembly difficulty is reduced, maintenance and replacement of single spinneret can be realized when a problem occurs, the maintenance time and material cost are reduced, the multi-head expansion is very convenient, the modular, customized, flexible production of products of different specifications is realized on the same equipment at the same time, and breakthrough improvement in production efficiency is promoted.

The invention mainly discloses a production process of a nuclear bolt. A 42CrMoE steel material is adopted as a raw material, and the nuclear bolt is produced by blank preparation, heat treatment, surface treatment and flaw detection, wherein the raw material of 42CrMoE comprises the following chemical components by mass percent: 0.38 to 0.48 of C, 0.10 to 0.40 of Si, 0.75 to 1.00 of Mn, no more than 0.025 of P, no more than 0.015 of S, 0.80 to 1.15 of Cr, 0.15 to 0.30 of Mo and the balance of Fe. The product obtained by production in the invention meets the requirements of nuclear 1-stage equipment, nuclear 2-stage equipment and nuclear 3-stage equipment, and the strength, the hardness and the impact resistance all reach standards.

The invention relates to manufacturing technology of a micro-lens, and in particular relates to a process for preparing a micro-lens crystal and application of the micro-lens crystal. The process for preparing the micro-lens crystal comprises the following steps of: 1, preparing a screen rack; 2, preparing a halftone; 3, exposing and developing; 4, printing; and 5, printing down. The preparation process has the characteristics of one-time production of larger-area micro-lens layout, improvement on production efficiency and reduction in production cost. The prepared micro-lens crystal is widely applied to three-dimensional printing, material packaging, light source amplification and the like, and is suitable for the mass-market demand.

The invention mainly discloses a bolt production technology. 42CrMoE steel is adopted as a raw material and subjected to blank preparing, heat treatment, surface treatment and flaw detection. The rawmaterial 42CrMoE steel comprises the chemical components of, by mass, 0.38-0.48% of C, 0.10-0.40% of Si, 0.75-1.00% of Mn, 0-0.025% of P, 0-0.015% of S, 0.80-1.15% of Cr, 0.15-0.30% of Mo and the balance Fe. A product obtained through the production technology meets the requirements of first-stage equipment, second-stage equipment and third-stage equipment, and the strength, the hardness and the impact force resistance of the product all reach the standard.

The invention discloses a continuous automatic gangue loading system for tramcars, and belongs to the technical field of loading and transportation of the coal mine underground operation tramcars. Thecontinuous automatic gangue loading system comprises rails, a tramcar pushing assembly, a gangue loading hopper assembly and a control system, wherein the tramcar pushing assembly is arranged betweenthe two rails and is used for pushing the tramcars to travel on the rails, the gangue loading hopper assembly is arranged on the rails in a crossing mode, and is used for receiving ore materials continuously conveyed by a conveying belt and correspondingly loading the ore materials into the corresponding tramcars, the control system controls the tramcar pushing assembly to push the tramcars to travel, detects the positions of the tramcars, and accordingly controls the gangue loading hopper assembly to correspondingly load the ore materials into the corresponding tramcars. The invention further discloses a continuous automatic gangue loading method for the tramcars. By means of coordination and cooperation of all the assemblies, continuous operation is achieved, full-automatic split charging of the ore material is achieved, the production efficiency is greatly improved, and then a breakthrough improvement on the automation technology of coal mine underground operation is achieved.