43results about How to "Reduce drying steps" patented technology

The invention discloses a preparation method of large-particle spherical cobaltosic oxide. The preparation method comprises the following steps: mixing a complexing agent with a reducing agent to prepare a mixed solution; stirring and mixing a cobalt salt solution, a precipitator solution and the mixed solution at a pH value of 9-12 at 40-70 degrees centigrade by a stirring speed of 700-1500 r / min to obtain a precursor; washing and filtering the precursor, then roasting at 500-800 degrees centigrade for 3-6 hours, and thus obtaining large-particle spherical cobaltosic oxide. Cobaltosic oxide prepared by the method disclosed by the invention has a high degree of sphericity as well as high particle diameter and high tap density, and cobaltosic oxide is suitable for manufacturing a lithium cobalt oxide electrode material, therefore, a lithium ion battery prepared from the lithium cobalt oxide electrode has large energy density and high performance.

The invention discloses a single-side surface layer densification processing method and a product for wood. The method includes dipping treatment; a dried board base material is dipped into a dipping tank filled with agents, the dipping thickness of the surface of the board base material is controlled through control of the dipping depth of the board base material into the liquid level of the agents, the agents include urea resin and nano calcium carbonate granules, and the nano calcium carbonate granules enter the pores of the board base material during the dipping. A floorboard produced through the processing method is composed of a densification layer and the board base material, and the lower surface of the densification layer is connected with the upper surface of the board base material. According to the processing method, the dipping thickness of the floorboard is controlled through the increase and decrease of the liquid level height of the agents, only the surface of the floorboard contacts with the agents, therefore the agents are saved; drying after dipping is not needed, and quality problems caused by the dipping and drying can be avoided, processing steps are reduced, and outturn percentage is improved.

The invention provides a method for rapidly producing donkey-hide gelatin. According to the method, a fresh donkey hide is processed and an airing step is reduced, so that a hide immersing time is shortened by 2-3 days; and the risk of going bad in a donkey hide storage process is avoided. According to the method, a production process is optimized; the quality of a product is improved, the production period is shortened and the manpower and the water source are saved.

The invention provides an aluminum chip recovery and smelting process. The process is to perform screening, crushing, oil removal, drying, iron separation, preheating and melting on recovered waste aluminum in sequence to obtain recovered molten aluminum; and the specific steps are as follows: the recovered aluminum is vibrated and screened for crushing; then, an oil remover is used for oil removal and drying; iron is separated; and separated aluminum chips are preheated to enter a smelting furnace for smelting to obtain the recovered molten aluminum. The aluminum chip recovery and smelting process is simple and low in energy consumption, can recycle high-temperature waste gas generated in the process to achieve the purposes of energy conservation and emission reduction, and meanwhile, canshorten the smelting time to further reduce the energy investment.

The invention discloses pretreated corn steep liquor and a direct spray using method thereof in a livestock and poultry feed. The moisture of the corn steep liquor can be effectively reduced, and besides, toxic and nutrition-resistant factors in the corn steep liquor are effectively removed, so that the pretreated corn steep liquor can be directly used for feeding livestock and poultry. In particular, the pretreatment method of the corn steep liquor comprises the following steps of (1 ) adding alkali liquor to the corn steep liquor, performing stirring treatment, and regulating the pH of the corn steep liquor to be 5.2-5.3; (2) adding phytase to the corn steep liquor of which the pH is regulated, and performing stirring and uniform mixing treatment; and (3) separately inoculating the corn steep liquor after being subjected to enzymolysis in step (2) with cultured bacillus amyloliquefaciens (Bacillus amyloliquefaciens) and aspergillus niger ( Aspergillus niger ), performing fermentation culturing, and after culturing is finished, obtaining the corn steep liquor.

Provided is a method for producing a positive electrode for a nonaqueous electrolyte secondary battery having superior electrical conductivity with high productivity. The production method disclosed herein includes the following steps: a first kneading step (S10) for kneading electrically conductive carbon fine particles and a hydrophobic binder that gels when contacted by water, in N-methyl-2-pyrrolidone (NMP); a second kneading step (S20) for adding a positive electrode active material and water to a first kneaded product obtained in the first kneading step followed by additional kneading; and a step (S30) for forming a positive electrode active material layer on the surface of a positive electrode current collector by coating a second kneaded product obtained in the second kneading step on the positive electrode current collector. The first kneaded product contains moisture, and the ratio of the mass of the moisture to the mass of the NMP is 0.002 or less in the first kneaded product, while in the second kneading step (S20), the water is added at a mass ratio of 0.0022 to 0.0115 based on the mass of the NMP.

The invention provides an aromatic polyamide fiber and rubber premix master batch. The master batch comprises 20-80 parts of liquid rubber, 20-80 parts of aromatic polyamide fibers and an appropriate amount of a dispersing solvent; and the weight of the dispersing solvent is 1-2 times the total weight of the liquid rubber and the aromatic polyamide fibers. The aromatic polyamide fibers comprise an aromatic polyamide pulp and an aromatic polyamide chopped fibers, and the aromatic polyamide pulp is obtained through breaking and grinding the aromatic polyamide chopped fibers in water through a beater. The aromatic polyamide fiber and rubber premix master batch selecting the aromatic polyamide pulp obtained through high-speed beating, breaking and grinding of the aromatic polyamide chopped fibers in water has the advantages of simple composition raw materials, simple preparation method, and effective improvement of the wear resistance and the tear resistance of finally obtained rubber products.

The invention relates to a folic acid pharmaceutical composition for preventing administration, and a preparation method thereof. A preparation of the composition adopts a dry granulation process, so that the manufacturing process is simplified, the energy consumption and the total production cost can be reduced, the output per unit time, the product quality and the like are improved, and the stability of the medicine storage period and the clinical safe medication are kept.

A technology for making container or board made from straw and stalk includes such steps as proportionally mixing straw and stalk with used paper, breaking, proportionally mixing it with gypsum dreg particles and water, stirring, hot die pressing, and spraying water-proofing agent on the surface of products.

The invention provides a slasher creel. According to the technical scheme, the slasher creel comprises a base and a plurality of pairs of rack bodies which are mounted on the base and are used for supporting warp beams. The pairs of rack bodies are arranged in the same plane in parallel, and the heights of the pairs of rack bodies are the same. According to the slasher creel, the rack bodies which are used for supporting the warp beams are arranged in the same plane in parallel, the heights of the rack bodies are the same, the distances between the warp beams can be effectively shortened compared with a traditional beam creel of an up-down layer structure in the first map, and warps can be effectively prevented from being twisted together. Through verification of experiments, under the condition that the wraps are wet (is not dried after dewatering), the condition of warp twisting does not happen, the drying step which has to be executed after warp dyeing is omitted, and production efficiency is improved. The slasher creel has the advantages that the distances of the warp beams can be effectively shortened, the warps can not be twisted together without being dried, the drying step is omitted, and the production efficiency is improved.

The invention relates to a method for preparing cephalosporin midbody penicillin sulfoxide. According to the method for preparing the cephalosporin midbody penicillin sulfoxide, treatment such as extraction, decoloration, concentration and column chromatography is conducted on a penicillin fermentation extracting solution, and then the treated penicillin fermentation extracting solution is used as an initial raw material for preparation of the cephalosporin midbody penicillin sulfoxide. By the adoption of the method for preparing the cephalosporin midbody penicillin sulfoxide, the production steps are simplified, the production efficiency is improved, the energy consumption is reduced, emission is reduced, and remarkable economic benefits and remarkable social benefits are obtained.

The invention discloses a production method for a compound fertilizer; raw materials after metering are mixed evenly and crushed to obtain a powdery raw material; the powdery raw material and leftovers are sent into a material bed of a granulator; gaseous ammonia after metering overflows from a branch pipe end of an ammonia pipeline through an ammonia distributor, a metered sulfuric acid solution having the concentration of 98% is sprayed to the surface of a bed layer material through a sprayer; the gaseous ammonia and the sulfuric acid solution are subjected to a neutralization reaction, ammonium sulfate is generated and heat is produced, so that the powdery raw material forms a molten state; the material bed is used for rolling granulation, a solid solution raw material is subjected to solid dissolving and bonding under the action of high temperature to form a complex salt material, and particles are formed by using circumference rolling of the granulator; the formed particles are dried, cooled, sieved and coated to form the compound fertilizer finished product. The production method of the compound fertilizer reduces the quantity of a liquid phase brought into the system, omits conventional heating and drying procedures, and reduces the processing energy consumption.

The invention discloses a safety chopsticks washer comprising a cleaning tank and a disinfection tank which are connected. An operator is arranged in the cleaning tank, a cleaning fluid tank is arranged on the outer wall of the operator, the cleaning fluid tank and the operator are connected via a guide pipe, a water inlet pipe is arranged at the top end of the operator, a drain pipe is arranged at the lower end of the operator, a water valve switch is arranged on the drain pipe, a vibration device is arranged at the inner bottom end of the operator, an operation button is arranged on the outer wall of the top end of the cleaning tank and electrically connected with the vibration device, ultraviolet lamps are arranged at the inner top end of the disinfection tank, a chopsticks storage screen is arranged in the middle of the disinfection tank, and a disinfection button is arranged on the outer wall of the top end of the disinfection tank and electrically connected with the disinfection buttons. The safety chopsticks washer has good sterilization and disinfection effect so as to prevent communicable diseases; the screen structure can function in airing chopsticks, the drying step is omitted, and accordingly production cost is saved; the safety chopsticks washer is suitable for meeting requirements of mass population.

The invention discloses a sildenafil citrate composition and a preparation method thereof, and belongs to the technical field of medicines. The sildenafil citrate composition takes sildenafil citrateas a main drug, and takes povidone K30, crospovidone, a vinyl pyrrolidone-vinyl acetate copolymer, xanthan gum, crosslinked carboxyl cellulose sodium, hydroxypropyl cellulose, triethyl citrate, tributyl citrate, dibutyl sebacate, diethyl phthalate, magnesium stearate and the like as auxiliary materials. Compared with those in the prior art, sildenafil citrate tablets or capsules obtained by adopting a hot-melt extrusion technology are simple and convenient to operate, environment-friendly, simple in prescription and suitable for large-scale production and application; and compared with preparations in the market, the obtained sildenafil citrate tablets or capsules are high in dissolution rate, good in stability, low in impurity content and high in clinical application safety.

The invention relates to a method for preparing cephalosporin midbody penicillin sulfoxide. According to the method for preparing the cephalosporin midbody penicillin sulfoxide, treatment such as extraction, decoloration, concentration and column chromatography is conducted on a penicillin fermentation extracting solution, and then the treated penicillin fermentation extracting solution is used as an initial raw material for preparation of the cephalosporin midbody penicillin sulfoxide. By the adoption of the method for preparing the cephalosporin midbody penicillin sulfoxide, the production steps are simplified, the production efficiency is improved, the energy consumption is reduced, emission is reduced, and remarkable economic benefits and remarkable social benefits are obtained.

The invention discloses pretreatment equipment for extracting a sargassum fusiforme dietary fiber and aims to solve the technical problems that in the prior art, sargassum fusiforme needs to be driedwhen a dietary fiber is extracted, the drying process takes a long time and the energy consumption is high, the green development idea is not met, and meanwhile, the preparation cost in extracting thedietary fiber from the sargassum fusiforme can be increased. The pretreatment equipment comprises a hollow reaction container, wherein an insertion hole into which a crushing component for crushing the sargassum fusiforme is formed in one end of the reaction container; the crushing component comprises a material tube for accommodating the sargassum fusiforme and a cutter holder component for cutting the sargassum fusiforme; a driving component for driving the material tube to rotate is arranged at one end, far away from the insertion hole, of the reaction container; a plurality of discharge holes are formed in the circumferential surface of the material tube; a pressing component is arranged at one end, far away from the driving component, of the material tube; the sargassum fusiforme canbe cut by the cutter holder component when being extruded out from the discharge holes under extrusion of the pressing component; and the reaction container is internally provided with a mixing component for preventing the sargassum fusiforme from caking.

The invention relates to a processing method of concentrated dendrobium candidum leaf tea juice, and belongs to the technical field of processing of dendrobium candidum. According to the processing method disclosed by the invention, dendrobium candidum leaves are used as raw materials, in a withering process, pectinase treatment is performed, then high-temperature hot-blast fixation and rolling are performed, further, auxiliary leaching is performed with cellulases, and then, leaching is performed, so that dendrobium candidum leaf leaching juice is obtained; and then the pH of the leaching juice is regulated to 5.5-6.0, and then filtering, concentration, sterilization and filling are performed, so that the concentrated dendrobium candidum leaf tea juice is obtained. The concentrated dendrobium candidum leaf tea juice processed by the method disclosed by the invention not only is high in yield, and good in flavor quality, but also has multiple health-care efficacies.

The invention discloses a treatment-free environment-friendly coating for a printing plate and a preparation method of the treatment-free environment-friendly coating, belonging to the technical field of printing plates. The treatment-free environment-friendly coating for the printing plate comprises the following raw materials by weight: 40-60 parts of modified gelatin, 10-20 parts of polyvinyl alcohol, 0.3-0.5 part of an antifoaming agent, 0.2-0.6 part of a leveling agent, 0.2-0.6 part of a cosolvent, and 0.3-0.8 part of a transparent agent. The coating is prepared through the steps of dispersing and mixing, coating, drying and shaping and the like; a modification additive with an epoxy group is prepared, can react with secondary amino group of gelatin to modify the gelatin, and has an antibacterial group, so the modified gelatin not only has good degradation performance but also has good antibacterial performance; and the problems that the coating prepared from gelatin has certain nutritional ingredients, easily causes microorganism enrichment and is affected in use performance are effectively solved.

The invention discloses a method for preparing delta 1-11 alpha,17 alpha-dihydroxyprogesterone with a one-pot continuous fermentation process, and belongs to the technical field of intermediate preparation. The method comprises the following specific steps: (1) inoculating slant culture of arthrobacter simplex into a first culture medium, performing culture for 20-30 hours, adding ground 17 alpha-hydroxyprogesterone, and performing transformation; (2) inoculating fermentation liquor after finishing the step (1) into a second culture medium, inoculating slant culture of aspergillus ochraceus into the second culture medium, performing culture, and performing post-treatment to obtain delta 1-11 alpha,17 alpha-dihydroxyprogesterone. Delta 1-11 alpha,17 alpha-dihydroxyprogesterone is prepared with the one-pot continuous fermentation process, so that a step of filtering, extracting, refining and drying a dehydrogenation material is reduced, discharge of 50% pollutants is reduced, environmental pressure is reduced, the time is saved, the yield is increased, the efficiency is improved, the process is simplified, the whole reaction operation is convenient, and the method is suitable for industrialized popularization and application.

The invention provides a method for testing the surface pollution pressure resistance of an insulator coated with an anti-pollution flashover coating. The nozzle is used for uniformly and dispersedlyspraying solid powdery dirt into the dirt accumulation environment box by utilizing negative pressure generated by compressed air; solid powdery dirt is adsorbed to the outer surface of the anti-pollution flashover coating by utilizing the adsorption effect of high-voltage direct current; in order to ensure that the dirt amount on the outer surface of the anti-pollution flashover coating is uniform, the polarity of the high-voltage direct current is changed once on the high-voltage side at certain intervals, the polarity is frequently changed, and the problems that the surface of the hydrophobic and super-hydrophobic anti-pollution flashover coating with low surface energy is difficult to contaminate and even cannot be contaminated are solved; solid powdery dirt is prepared by adopting a method of firstly wet-mixing uniformly and then dehydrating and drying, so that the dirt is finer and smoother, and the dirt can be conveniently sprayed out in a mist form; the solid powdery dirt is prefabricated and formed by drying and dewatering in advance, so that the time required for drying the dirt liquid in the traditional test method is avoided; and the pretreatment step of coating the diatomite in the traditional method is abandoned.

The invention aims to provide a continuous scenting processing method of jasmine tea. In the scenting process, ethanol gas is used to control the metabolic rate of jasmine flowers, the jasmine flowerscan be scented continuously under the condition of higher moisture content under the action of ethanol gas in the first scenting process, drying or replacement of a large number of fresh flowers is not required, a drying step of re-scenting is omitted, the time interval between scenting is shortened, the utilization rate of processing places and equipment is increased, the processing efficiency is improved, and the flower matching amount is reduced effectively.

The invention relates to a processing method of concentrated dendrobium candidum leaf tea juice, and belongs to the technical field of processing of dendrobium candidum. According to the processing method disclosed by the invention, dendrobium candidum leaves are used as raw materials, in a withering process, pectinase treatment is performed, then high-temperature hot-blast fixation and rolling are performed, further, auxiliary leaching is performed with cellulases, and then, leaching is performed, so that dendrobium candidum leaf leaching juice is obtained; and then the pH of the leaching juice is regulated to 5.5-6.0, and then filtering, concentration, sterilization and filling are performed, so that the concentrated dendrobium candidum leaf tea juice is obtained. The concentrated dendrobium candidum leaf tea juice processed by the method disclosed by the invention not only is high in yield, and good in flavor quality, but also has multiple health-care efficacies.

The invention discloses finasteride capsule processing equipment which comprises a fixing cover, a processing seat and a base. The processing seat is mounted on the top of the base via supports, the fixing cover is mounted at one end of the top of the processing seat, a fixing plate is mounted on the processing seat and is positioned inside the fixing cover, polishing seats are uniformly mounted on the fixing plate, a slide seat is mounted at the other end of the top of the processing seat, electric telescopic rods are uniformly mounted inside the slide seat, a telescopic seat is mounted at output ends of the electric telescopic rods, and fixing rods are uniformly mounted on a side of the telescopic seat. The finasteride capsule processing equipment has the advantages that the finasteridecapsule processing equipment is provided with the fixing cover, the processing seat and the base, dropping holes are uniformly formed in the other ends of the polishing seats, a collecting hopper is mounted on the top of the inside of the processing seat and is positioned below the polishing seats, an output end of the collecting hopper is fixedly connected with the top of a feeding tank, accordingly, crushed materials generated after polishing is carried out can conveniently drop via the dropping holes, can be conveniently collected by the collecting hopper, can be conveniently fed into the feeding tank and can be conveniently collected, and environmental pollution can be reduced.

The invention discloses a manufacturing method for instant spicy anchovy, and relates to the technical field of instant food manufacturing. The manufacturing method is characterized by comprising the following steps: pre-processing raw material, frying, preparing auxiliary material, stir-frying flavor, performing vacuum package, sterilizing, cooling, printing bar code, and warehousing. The manufacturing method provided by the invention is simple in operation, good in taste, convenient to manufacture, and suitable for various crowds.

The invention provides a preparation method of an aromatic polyamide fiber and rubber premix master batch. The method comprises the following steps: 1, preparing raw materials: weighing 20-80 parts by mass of liquid rubber, 20-80 parts by mass of aromatic polyamide fibers and a dispersion solvent with the mass 1-2 times the total mass of the liquid rubber and the aromatic polyamide fibers; 2, adding the dispersion solvent weighed in step 1 to the aromatic polyamide fibers to pre-disperse the fibers in order to obtain a fiber solvent premix system; and 3, mixing the fiber solvent premix system obtained in step 2 with the liquid rubber, carrying out gradient heating under a vacuum pumping condition to remove the dispersion solvent and system water, and discharging the obtained material when the read value of a vacuum heating mixer pressure meter is stable and no liquid drops from a solvent condensation port in order to obtain the aromatic polyamide fiber and rubber premix master batch. The method has the advantages of simplicity in operation, low production cost, high efficiency, and effective improvement of the performances and the quality of rubber products produced from the aromatic polyamide fiber and rubber premix master batch.

The invention belongs to the technical field of film production, and particularly relates to a medical dry film production system which comprises a forming structure and an airing mechanism. The airing mechanism comprises an automatic film hanging machine and an airing conveying line, a feeding area is arranged on the automatic film hanging machine, and the feeding area comprises a feeding mechanism; the feeding mechanism is composed of an X-axis moving rod and a Y-axis moving rod, and the output end of the X-axis moving rod is in threaded connection with the input end of the Y-axis moving rod; a heating mechanism composed of an electric heating net formed by weaving electric heating wires is arranged on the airing conveying line, an external air pump is combined to be communicated into aheating containing cavity of the electric heating net, heat generated by heating of the electric heating net can be blown into the heating containing cavity in a circulated mode and transmitted to a plurality of films hung and aired below the airing conveying line, the films are blown to be dry through hot air, and the airing efficiency of the films is improved; and the conveying speed and the conveying length of the airing conveying line are adjusted according to the blow-drying time of the films, so that the production process of the films is simplified.

The invention discloses a preparation method of a diazonium photosensitizer, which comprises the following steps: 1) mixing concentrated sulfuric acid and phosphoric acid according to a proper ratio to obtain a mixed acid, cooling, and slowly adding a proper amount of p-aminodiphenylamine diazonium sulfate (VRT) which is a wet product; wherein the temperature is controlled to be 20-40 DEG C when the p-aminodiphenylamine diazonium sulfate is added; 2) slowly adding a proper amount of paraformaldehyde after the dissolution in the step 1) is finished, and reacting at the temperature of below 40 DEG C until the reaction is complete; 3) dissolving a reaction solution completely reacted in the step 2) in water, adding a proper amount of a chlorine salt, and separating out a yellow precipitate; and 4) filtering, and drying the yellow precipitate to obtain the product. According to the preparation method disclosed by the invention, reaction with paraformaldehyde is carried out in the mixed acid, the reaction temperature can be effectively increased, the direct damage effect of the concentrated sulfuric acid on the raw materials is reduced, the reaction can be carried out at a relatively high temperature which is easier to control, the weight of the synthesized photosensitizer required for photoresist mixing is reduced to 90%, and the cost is saved.