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 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 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 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 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.