89results about How to "Long processing cycle" patented technology

The invention discloses a device for preparing a Ni-SiC composite coating on the inner surface of a hollow workpiece. A lower water outlet pipe and an upper water outlet pipe which are parallel and are arranged in an up-and-down manner are arranged in a liquid storage tank. After electroplating liquid flowing out of the upper water outlet pipe and electroplating liquid flowing out of the lower water outlet pipe are converged, the mixed electroplating liquid flows towards a sealed electroplating table under the drive force of an electroplating liquid circulation pump, and an electromagnetic flow meter is adjusted to control the volume flow rate of the electroplating liquid flowing towards the sealed electroplating table. After composite electroplating is completed in the sealed electroplating table, the electroplating liquid flows back into the liquid storage tank through a loop. One end of an air discharging pipe is connected with an outlet of a compressed air pump, and the other end of the air discharging pipe is connected in the liquid storage tank. The device is a the sealed and continuous-circulation electroplating device developed based on a traditional non-closed immersion type electroplating device and has the beneficial effects of being reasonable in structure, reliable in operation and convenient to use and operate, and the Ni-SiC composite coating with the good quality can be obtained on the inner surface of the hollow workpiece.

The invention relates to a large-scale solid-forging metal framework with lugs and a manufacturing method thereof. The manufacturing method is particularly suitable for materials like titanium alloy which is hard to deform. The manufacturing method comprises the steps of (1) blank making, (2) pre-forging, (3) pre-forging blank finishing, (4) die forging forming of final forging pieces, and therefore the large-scale solid-forging metal framework with the lugs is obtained. The V-shaped waste blank design method is adopted, a cavity can be well filled, the problem that a forge piece of the large-scale metal framework with the lugs is difficult to form is solved, the manufacturing of a V-shaped waste blank is simple, and the forming effect is good. The forge pieces are mainly applied to the industrial fields like aviation, aerospace and petrochemical engineering.

Disclosed is a machining device for measuring equipment. The machining device comprises a box. A first motor is fixedly connected to one side of the bottom of an inner cavity of a rotating box. A supporting rod is rotationally connected to the middle of the bottom of the inner cavity of the rotating box. The output end of the first motor is rotationally connected with the supporting rod through adriving device. An objective table is fixedly connected to the end, away from the bottom of the inner cavity of the rotating box, of the supporting rod. The inner surface of a second bevel gear is fixedly connected with a roller screw through a flat key, a lifting device is fixedly connected to the side, close to the objective table, of a movable block, and a machining device is fixedly connectedto the side, away from the movable block, of the lifting device. The invention relates to the technical field of physical measurement, continuous machining can be performed, the machining period is shortened, the efficiency is improved, a workpiece is positioned and fixed, it is ensured that the workpiece cannot deflect in the machining process, the machining quality is ensured, the machining precision is improved, workpieces of different models can be machined through automatic adjustment according to the size of the workpieces, and the cost is lowered.

The invention discloses electroplating equipment, which consists of an electroplating groove, an anode, a cathode, an electroplating liquid, an automatic additive replenishing system, a circular filtering system, an electric heating system, a water bath circular heat supply center, an automatic purifying system and an electroplating rectifying power supply. The electroplating equipment is generally suitable for electroplating of super hard material products, and particularly relates to electroplating of wear-resistant composite layers and electroplating of diamond geological drill bits. Production process conditions have high stability and consistence; the electroplating liquid treatment period is prolonged effectively, closed-loop circular utilization of the electroplating liquid is realized, energy is saved, and the environment is protected; meanwhile, the working environment is improved greatly, and the physical and psychological health of employees is facilitated; and the product quality is more stable and is improved greatly, the product yield is increased by 13 percent, electricity is saved by 56.2 percent, and the product cost is reduced by 32.7 percent.

The invention discloses a machining method for radial high-precision small square holes of a rotary part. The machining range is 0.3-3.0 mm, the machining thickness is less than 1.5 mm, the root Rmax is 0.08, and the radial coplanarity degree of the opposite holes is within 0.01 mm. According to the machining method for the radial high-precision small square holes of the rotary part, on the basis of machining the small square holes through traditional electric spark forming, the small square holes are machined roughly on an electric discharge machining machine tool through an EROWA fixture and a homemade electrode stand to reserve margins for finish machining; by using the characteristics and advantages of machining the workpiece through the EROWA fixture and slow speed wire cutting, slow speed wire cutting is added into the finish machining process for the small square holes, accordingly, the purpose that the radial coplanarity degree of the opposite holes is within 0.01 mm is achieved, and the small square holes are regular in shape. Compared with a traditional machining method, the machining method for the radial high-precision small square holes of the rotary part is high in efficiency and stable in quality, and the qualified rate reaches 99% or higher.

The invention discloses a preservation method for fresh tea. The method comprises the following steps: 1) cleaning freshly picked tea; 2) carrying out vacuum freeze-drying, immediately quenching to 4 to 10 DEG C in 60 to 120 seconds and keeping for 3 to 5 minutes, wherein the water content of the tea is less than 4.5% after quenching drying, 3) placing the tea in a mixed gas of argon, carbon dioxide and nitrogen for 18 to 24 hours; 4) transferring the tea to a pure nitrogen environment and adding a biological fresh-keeping agent of which the weight ratio is 0.02% to 0.5%; 5) packaging the tea into bags, pumping vacuum and putting in the nitrogen simultaneously. With the adoption of the preservation method for the fresh tea disclosed by the invention, the problem of easy oxidization and deterioration of the tea during storage is solved, so that the preservation time of fresh leaves of the tea can be increased to 3 to 4 weeks at room temperature from 3 to 5 days, and the fresh leaves of the tea can be preserved for 10 to 30 weeks at low temperature to keep the physical and chemical properties and sensory indexes of the tea unchanged for a long term so as to effectively prolong the processing period of the fresh leaves of the tea, and the yield of famous green tea can be significantly improved.

The invention provides a method for selectively removing one valent anion impurities from sulfuric acid system electrolytes. The method is characterized in that the concentration of free H2SO4 in the electrolytes is adjusted, the electrolytes containing the free H2SO4 are led into a diffusion dialyzer waste acid chamber, water serves as receptor fluid to be led into a diffusion dialyzer recycling chamber in a reverse flow manner, the flow strength of the electrolytes in the diffusion dialyzing operation process is controlled, under drive of the concentration difference of partial free H2SO4 and the anion impurities in the electrolytes in a diffusion dialyzer, a transmission film is transmitted to the receptor fluid, and thin-H2SO4 purified electrolytes rich in anion impurities are formed. The new use manner of diffusion dialyzing is expanded, free acid recycling is changed into selective removing of the impurity ions, two existing problems of fluorine chlorine impurity removal and waste liquid disposal in the zinc electrolytes can be solved at the same time, and the new solution is provided for resource recycling of the wet metallurgy industry.

The invention discloses special compound spicy seasoning oil for meat products and a preparation method of the seasoning oil. According to the invention, a reasonable raw material formula is adopted, a plurality of compound spice raw materials are extracted in one step, and a plurality of fragrant ingredients are extracted in one step, the special compound spicy seasoning oil can be widely applied to the production of meat products; as a result, the seasoning operation of the meat products can be carried out conveniently; the traditional complex process of extracting single spice raw materials and blending during food seasoning operation is avoided; during the meat product processing process, the operations are simplified, both time and labor are saved, the processing period is shortened and the production efficiency is improved; meanwhile, the production procedures can be controlled conveniently, the processing quality of the meat products can be further improved and good economic benefit can be obtained.

The invention provides a method for removing the surface and impurities of quartz ore. The method comprises the following steps: firstly, placing crushed stones into a plastic storage bin and closing the plastic storage bin; then adding an acid solution which is heated to 50-110 DEG C and has the concentration of more than 25% by mass percent into the storage bin through a pipeline; producing an acid gas through an atomizer; recovering the acid gas and the acid solution after the high-temperature acid gas and the acid solution react with the surface and impurities of quartz stone in the closed storage bin, and washing the crushed stones with water; obtaining clean quartz stone, neutralizing waste water generated by washing the crushed stones with alkali or lime, and performing cyclic utilization or standard emission. The method provided by the invention is simple in process, high in efficiency, low in cost, good in effect, free from environmental pollution and suitable for wide popularization and application.

The invention relates to a pure lubricating agent without fluorescence for bergol drilling fluid, which solves the problem of the existing lubricating agent which is not environmental protection and has fluorescence. The lubricating agent of the invention comprises the following raw materials which are vegetable oil, 15% sodium-hydroxide solution, 10% potassium hydrate solution, slaked lime, 3% carboxymethyl cellulose solution, 12.5-15% ammonium salt solution of partially hydrolyzed polyacrylonitrile, calcium acrylate, sodium acrylate, acrylamide and water. The lubricating agent products of the invention have no pollution to environment, which is easy to be biodegraded, does not corrode metal, does not damage sealing material, when in production, no three wastes are discharged. The lubricating agent belongs to pure products without fluorescence, which does not disturb any geological logging work, and has relative protective function to the productivity of hydrocarbon zones.

The invention discloses a technology for machining a biological functioning experimental equipment shell. The technology comprises the steps of (1) material selecting, (2) model analyzing, (3) discharging machining, (4) profiling sticking and (5) surface treatment. The technical effects that the technology for machining the biological functioning experimental equipment shell is short in machining period, low in cost, firm in structure and suitable for small-batch machining and producing are achieved.

The invention discloses a nickel plating solution, which includes 90-150g / L nickel sulfate, 45-65g / L sodium chloride, 5-12g / L cobalt chloride, 80-130g / L sodium citrate, a 0.5ml / L neutral nickel brightener, and a 35ml / L neutral nickel prepared solution. The making method of the nickel plating solution consists of: for instance in preparation of 1L of the plating solution, adding 500ml of water, conducting heating to 70DEG C, adding 80-130g of sodium citrate, then adding 90-150g of nickel sulfate and 5-12g of cobalt chloride, stirring the materials evenly, performing dissolving to be clear, adding 45-65g of sodium chloride, and performing dissolving to be clear, then adding 35ml of the prepared solution and 0.5ml of the brightener, adding water to 1000ml, and adjusting the pH value to 6.5-7.0. The nickel plating solution provided by the invention can realize direct nickel plating on zinc, the plating layer is full, pure white, bright, and has little smell, also the defect of required operation on a cyanide copper plating layer during traditional zinc alloy nickel plating can be prevented. Thus, the sewage treatment is simple, the cost is saved and a more environment-friendly effect can be achieved.

The invention discloses a preservation method for fresh leaves of tea, which comprises working procedures of the classification of the fresh leaves, the boxing of the fresh leaves, and the storage in a fresh-preserved storehouse, wherein the storage in the fresh-preserved storehouse is as follows: the temperature of the first-grade fresh leaves is between 0 and 5 DEG C, the temperature of the second-grade fresh leaves is between 2 and 7 DEG C, and the temperature of the third-grade fresh leaves is between 4 and 8 DEG C; and the humidity of the first-grade fresh leaves is between 80 and 85 percent, the humidity of the second-grade fresh leaves is between 85 and 90 percent, and the humidity of the third-grade fresh leaves is between 90 and 95 percent. Compared with the prior art, the method adopts low-temperature constant-humidity refrigeration, ensures that the preservation time of the fresh leaves of the tea is increased to be between 3 and 7 days from between 1 and 2 days, prolongs the processing period of the fresh leaves of the tea, effectively solves the problem of difficult throughput control of raw materials of enterprises, and improves the yield of famous green tea.

The invention discloses a computer generated hologram based on liquid crystal materials and a manufacturing method thereof and belongs to the photoelectric detection field. According to the computer generated hologram based on the liquid crystal materials, a uniform transmittance substrate and the liquid crystal materials coated on the substrate are comprised; liquid crystal molecules of adjacent stripes of the liquid crystal materials are controlled through the light control orientation technology for being in different directions, and incident laser passes through the liquid crystal materials with fixed thickness and different refractive indexes and then generates fixed phase difference; the substrate and the liquid crystal materials form the computer generated hologram having a function of compensating the fixed phase difference of the incident laser; the phase difference is realized through adjusting thickness of the liquid crystal materials or replacing the liquid crystal materials to change a liquid crystal material refractive index. The invention further discloses a manufacturing method of the computer generated hologram. The computer generated hologram has high precision and low cost, the manufacturing method has a short manufacturing period and simple technology, and the computer generated hologram is suitable for detecting an optical element surface shape error through high precision laser interferometry and is suitable for detecting complex aspheric surface shapes through the laser interferometry.

The invention discloses a production method of fiber arrays, which comprises the following steps: adopting an usual injection molding machine and a conventional injection molding technology, adopting high polymer plastic as injection molding materials, placing finished fiber belts available in the market into the high polymer plastic materials in an injection molding machine mold cavity so as to obtain a pre-molded piece through injection molding; cutting off redundant fiber belts from the end face of one side of the pre-molded piece through a sapphire scalpel; adopting a fiber grinding machine to grind the end face of the side of the pre-molded piece after cutting the redundant fiber belts, thus obtain a fiber array. The production method of fiber arrays is simple in technology, short in processing period of the fiber arrays, low in manufacture cost and high in product percent of pass, and greatly reduces processing difficulty of the fiber arrays. The production method is suitable for being popularized and applied to the fiber manufacture field.

The invention discloses a method for treating an antidepressant venlafaxine in water by utilizing electron beam irradiation, particularly electron irradiation, and belongs to the technical fields of nuclear technology application, water treatment and environmental protection. According to the method disclosed by the invention, a water body containing the venlafaxine is treated by utilizing high energy electrons generated under electron accelerator radiation conditions to degrade the venlafaxine. An electron accelerator adopted in the method disclosed by the invention has an electron irradiation dose of 0.5-5 KGy. Concentrated sulfuric acid is added in a used sample pretreatment solution of the venlafaxine to regulate the pH value of the solution to reach 2-7, and 1-5 mM of hydrogen peroxide is added into the solution, so that a radiation degradation effect is promoted; moreover, the irradiation dose can be properly reduced. The method disclosed by the invention can remove the venlafaxine drug pollution in the water body, is high in reaction speed and high in degradation efficiency, has better applicability when being compared with other traditional methods and is an efficient and energy-saving water treatment technology.

The invention relates to the technical field of aeroengines, in particular to a method for welding a combustor liner and tile pads of an aeroengine. The method for welding the combustor liner and thetile pads of the aeroengine comprises floating tile blocks and studs, and the floating tile blocks and the studs use forging pieces as raw materials, and the welding technological steps of the floating tile blocks and the studs are as follows: (1) machining; (2) surface treatment; (3) clamping; (4) stud welding; (5) gripping and repairing; and (6) inspection. By adopting the method disclosed by the invention, the studs are welded to the floating tile blocks by adopting a argon arc welding way, and the verticality deviation of the studs is larger; meanwhile, the phenomenon of incomplete fusionin a central area on which the studs are connected with the floating tile blocks possibly occurs so as to affect the welding strength and low welding and positioning precision of the studs; by adopting an overall machining way, the metal cutting quantity is large, so that a material utilization ratio of the materials is low, and a machining period is long; and moreover, in a machining and cuttingprocess, high-temperature cutting heat deformation easily occurs, and a destressing heat treatment procedures are required after machining, so that the problems of the production cost and the periodsare further increased.

The invention discloses a plant extract eye mask, and a preparation method thereof. The plant extract eye mask is capable of improving eye fatigue. According to the preparation method, a formula stocksolution is prepared, eye mask cloth and eye mask bags are designed to match with each other and prepared, the formula stock solution is subjected to filling in 10 to 45s, is packaged with the matched eye mask bags, filling openings are sealed, 1 to 2h of irradiation disinfection is carried out, after disinfection, the eye mask bags is subjected to detection, and packaging is carried out when theeye mask is qualified. The preparation method is mainly used for production of eye daily nursing mask.

The invention relates to a preparation method of a biologically-fermented straw feed, comprising the following steps: 1) preparation of raw materials; 2) a formula of a microbial agent and an operation method; 3) processing of a straw feed; 4) selection and construction of a biological fermentation container; 5) stirring of materials; 6) pit entry of straw; 7) pit sealing; 8) fermentation time; and 9) fermented feed quality inspection. The preparation method is suitable for preparation of various fermented crop straw feeds, and has characteristics of simple production technology, low preparation cost and high operationality.

A method for providing a lithographic printing plate includes developing an exposed imageable element with an alkali silicate-containing developer composition having a pH of at least 12.0. The developer composition is regenerated by adding to it an alkali silicate-containing regenerator composition having a pH of at least 12.0. Conductivity of both the developer and regenerator compositions is suppressed from the presence of one or more conductivity reducing agents (such as glycerin). This conductivity suppression in the developer composition is greater than the suppression of the conductivity of the regenerator composition.

The invention relates to a gel breaking agent for preventing slurry from falling to a ground and a gel breaking method for waste drilling fluid, belonging to the field of drilling technology. The gelbreaking agent provided by the invention is composed of hydrochloric acid and polyacrylamide. The gel breaking method for waste drilling fluid comprises the steps as follows: (1) slowly adding polyacrylamide particles into the waste drilling fluid, mixing the mixture uniformly, so that the dust particles in the drilling fluid are fully adsorbed on the polyacrylamide molecular chain; (2) adding hydrochloric acid into the waste drilling fluid obtained in step (1), adjusting the pH value of 7-8, reaching the effect of gel breaking by using the property that polyacrylamide molecular chain is broken in hydrochloric acid; (3) separating the solid and solution by using a plate-and-frame filter press or a high speed centrifuge, while the centrifuged liquid can be recycled in a drilling well directly. The gel breaking method provided by the invention can be used for breaking gel completely, both the solid chemical oxygen demand (COD) and the pH value after gel breaking meet the requirement of environment protection, and all of the fluid can be recycled in drilling wells, thus, the purposes of environment protection, cost reduction and effect improvement are reached.

A combined yarn carrier guiding device of a knitting machine belongs to transmission devices of knitting machines. The combined yarn carrier guiding device comprises an upper plate, a mandrel, a lowerplate, a rotary sleeve, guide blocks, a guide block supporting plate, a guide block bottom plate, roller shafts and rollers. The upper plate and the lower plate are connected with both ends of the mandrel, and the rotary sleeve which can rotate freely is sleeved on the mandrel between the upper plate and the lower plate. Two holes are formed on the lower plate, and the guide blocks which can rotate freely is arranged in the holes. The guide blocks are supported on the lower plate by the guide block supporting plate to prevent the guide blocks from falling off from the lower plate. The rollershafts are arranged in the guide blocks, and the rollers which can rotate freely are arranged on the roller shafts. The guide block bottom plate is connected with the bottom of the guide blocks, and the guide block bottom plate fixes the roller shafts in the guide blocks. The device has the advantages of simple structure, simple processing, high yield, short processing cycle, high reliability, improved production efficiency, reduced production cost, and easy replacement.

The invention discloses an optical system and theory for checking an aspheric mirror through conjugate correction. Light emitted by a light-emitting point in detection equipment is imaged on a conjugate object point of a to-be-detected aspheric mirror through a correction lens; the to-be-detected aspheric mirror images the conjugate object point on a conjugate image point; and the conjugate imagepoint is used as an object point of an auto-collimation correction lens and light is returned along an auto-collimation original path of the auto-collimation correction lens. The spherical aberrationgenerated by the correction lens and the auto-collimation correction lens can correct the spherical aberration generated by the to-be-detected aspheric mirror at two conjugate points. The conjugate front and back points are related to a front region, a middle region and a back region, so that the aberration correction capability is greatly improved. The auto-collimation surface is formed on the auto-collimation correction lens and light passes through the to-be-detected aspheric mirror twice. The auto-collimation correction lens is arranged in front of the conjugate front point, so that the oblate spherical surface correction capacity is high. The correction lens is in light path connection with the auto-collimation correction lens, so that the correction capability is enhanced. The conjugate correction checking can test an aspheric mirror with a large aperture, a large relative aperture or even an ultra-large aperture and an ultra-large relative aperture.

A method for manufacturing a storage crop straw-fermented feed in bags comprises 1) raw material preparation; 2) a formula of a microbial inoculant and an operation method; 3) preparation of fermentation raw materials; 4) detection of the fermentation raw materials; 5) charging, baling and bagging: uniformly charging the concocted fermentation raw materials into a baling machine (pressure is 10 tones), carrying out at least two times of stamping for meeting the technical requirement density (500-550 kg / m<3>), bundling the obtained materials into bales by ropes, relieving pressure, pushing out the bales, artificially covering the bales with two layers of packaging bags, and conducting two times of bundling and sealing; and 6) storage and fermentation. The method is suitable for the manufacture of a plurality of green or dry crop straw fermented feeds, and the production process is simple, and the fermented materials do not need to be vacuumized after packaging, and the method is suitable for industrial manufacture and small-family processing manufacture. The method softens the thick straw and endows the straw with sour and fragrant tastes so as to stimulate appetites of livestock. In the fermentation process, the adopted packaging process prevents ultraviolet ray from influencing the fermentation, and facilitates the carrying and protection of products.

The invention provides a method for stress relief annealing and homogenizing annealing of a 7000-series aluminum alloy cast ingot. The method comprises the following steps: designing a continuous treatment process of stress relief annealing and homogenizing annealing from a high-temperature residual temperature stage of cast ingot forming, namely, a smelting process and a direct cooling semi-continuous casting process of a 7000-series aluminum alloy are adopted in a casting process; after casting molding, transferring a cast ingot a heat treatment furnace for slow cooling treatment; carrying out stress relief annealing treatment is carried out at a constant temperature; and finally, performing multi-stage homogenizing annealing treatment after direct heating. By means of the method, the high-low temperature conversion frequency of heating and heat dissipation can be reduced, the cast ingot cracking risk is lowered, energy is saved, and the annealing treatment period is shortened; and meanwhile, the multi-stage homogenizing annealing technology is combined, coarse alloy intermediate phases are forcibly re-melted, so that the cast ingot homogenizing treatment effect is remarkably improved.

The invention discloses a green prickleyash drying method in the technical field of processing of green prickleyash. The green prickleyash drying method comprises the working procedures of performing classification, performing microwave fixation, performing water-bath cleaning, performing refrigerating, performing loading, performing drying, performing discharging and performing packaging. The green prickleyash drying method comprises the specific steps of S1, performing classification; S2, performing microwave fixation; S3, performing water-bath cleaning; S4, performing refrigerating; S5, performing loading; S6, performing drying; S7, performing discharging; and S8, performing packaging. The scientific green prickleyash drying method is adopted, and drying is performed twice, so that the water content in green prickleyash can be accurately controlled; the processing period is short, a heating manner of a heat pump drying machine is utilized, the heating time is short, the quality is good, the product color is good, the internal quality is good, the energy consumption rate is low, industrialized drying and processing requirements of green prickleyash can be met, besides, the processing period of the green prickleyash can be prolonged, and the use efficiency of equipment is improved.

The invention discloses a module for extruding and forming a plastic corrugated pipe, which comprises a left half module and a right half module, wherein one ends of the left half module and the right half module are connected together through a connecting mechanism to form a hinge shape; the left half module and the right half module are merged together in a die assembly state, and the other ends of the left half module and the right half module, which are not connected together, are opened for a certain angle in a die sinking state. The module provided by the invention is aligned in the die assembly state and the die sinking state without misplacement; the traditional module is changed by using a die assembly manner of the module, and the cost is lowered; each module is formed through the same die and the same set of punching die, thus the processing speed is high and the precision is high; and gaps required for vacuumizing are remained among the modules during the assembly without excessive processing, thus heat radiation property is good and the modules are conveniently cooled.

The invention discloses an astronomical telescope optical system with a wide field of view and a wide band. The astronomical telescope optical system comprises a reflective Schmitt correction plate, aplane folding steering mirror, a spherical reflector and a focal plane; light rays orderly pass through the Schmitt correction plate, the plane folding steering mirror and the spherical reflector toreach the focal plane; and the focal plane is located at the back of the plane folding steering mirror. The Schmitt correction plate is located at the center of sphere of the spherical reflector, andthe Schmidt correction plate is a positive-axis high-order aspheric surface. According to the astronomical telescope optical system with the wide field of view and the wide band provided by the invention, the folding steering mirror is inserted between the reflective Schmitt correction plate and the spherical reflector, so that the focal plane is located outside the system, which is convenient forvisual observation, while the length is shortened, so that an optical structure is more compact; and more importantly, the designed reflective Schmidt correction plate belongs to the positive-axis high-order aspheric surface, and in the design phase, the asphericity is controlled within an easy processing detection range, so that the processing cost of a Schmidt system is lower.