82results about How to "Efficient continuous production" patented technology

A food additive composition for ruminants of the dispersion type and a method of continuously producing the same. This food additive composition for ruminants, which contains 40% by weight or more but less than 65% by weight of a basic amino acid and has rumen bypass properties, is formulated into granules in an arbitrary shape which are scarcely classified when added to a silage or another feed. Thus, attempts have been made to develop a method of producing granules by which the milk yield of a lactation cow can be increased. Namely, it is intended to provide a food additive composition for ruminants which contains at least one protecting agent selected from among a hardened vegetable oil and a hardened animal oil having a melting point higher than 50° C. but lower than 90° C., 0.05 to 6% by weight of lecithin, water and 40% by weight or more but less than 65% by weight of a basic amino acid. It is also intended to provide a method of producing a food additive composition for ruminants characterized by comprising solidifying a molten mixture, which comprises at least one protecting agent selected from among a hardened vegetable oil and a hardened animal oil having a melting point higher than 50° C. but lower than 90° C., lecithin and a basic amino acid, by dipping in water.

The present invention provides: a gas barrier laminate comprising a base, a primer layer, and a gas barrier layer, the primer layer and the gas barrier layer being sequentially stacked on at least one side of the base, the primer layer having a modulus of elasticity at 90° C. of 1.6 GPa or more, and a coefficient of static friction between a surface of one side of the gas barrier laminate and a surface of the other side of the gas barrier laminate being 0.35 to 0.8; a method for producing the gas barrier laminate; an electronic device member comprising the gas barrier laminate; and an electronic device.

A spherical/heteromorphic products all-printed equipment is used for printing the whole spherical/heteromorphic products. It is characterized by, it includes a transmission frame, conveyer belt installed on the transmission frame, upper and lower semi-surface printing areas installed on conveyer belt and the turn-over device installed on the interface part of upper and lower semi-surface printing areas; the conveyer belt is equipped with products input and output channels and many transmission discs with gaps each other; the upper and lower semi-surface printing areas respectively includes at least one single color printing device, each single color printing device consists of a flexible air pressure jelly mould head installed below the transmission disc and a printing gravure installed below one side of transmission disc. The spherical/heteromorphic products all-printed method includes: processing at least single color printing of the upper semi-surface of spherical/heteromorphic products through using the flexible air pressure jelly mould head; turning over the spherical/heteromorphic products 180degree through a turn-over device; processing at least single color printing of the lower semi-surface of the product through using the flexible air pressure jelly mould head.

The invention relates to a biodiesel preparation method, which comprises that: ester exchange reaction is performed on fat and methanol vapor produced by hot-bath heating in a continuous ester exchange reactor, and the reaction product biodiesel is discharged out of the reactor and enters a condenser along with the methanol vapor remaining after the reaction; and after being subjected to temperature-controlled condensation, the product biodiesel is discharged from the bottom of the condenser in a liquid form. The biodiesel can be timely separated from the reactor to promote the completely positive development of the reaction, and simultaneously the methanol is recycled to reduce energy consumption; in the reaction system, the methanol not only serves as a reagent to participate in the reaction, but also plays a role in stirring; a mesoporous solid catalyst is adopted, so the product is easy to separate, does not need washing with water and is environmentally-friendly, and glycerol is simple to recycle and purify; and the method has the advantages of simple process, wide raw material application and the highly-efficient continuous production of the biodiesel.

Provided is a range of glass compositions and glass fiber products made therefrom that show a unique combination of properties for both discontinuous fiber manufacturing and end use service. The glass compositions are particularly useful in high volume, high throughput, economical processes such as rotary spinning.

The invention discloses a hybrid probiotic desiccate and a preparation method thereof. The hybrid probiotic desiccate has high bacteria rate and viable count being up to 9.2*109-6.8*1010cfu/g. because of having double protection functions of porous starch and saccharides, and the powder of the hybrid probiotic desiccate has good acid, high-temperature and salt resistance and can be stored for a long time. Chinese medicinal herb extracts are used in a culture medium, echinacea purpurea polysaccharides and astragalus polysaccharides not only increase the content of saccharides required by the growth of flora, but also can enhance the immunity of cells, can obviously increase the quantity and the efficacy of the flora, and has more complete and effective health care function.

The invention relates to a synthesis method of 3, 3-dimethyl-2-butanone by using pivalic acid and glacial acetic acid as raw materials which are catalyzed to react by gas phase under the conditions of normal pressure. The pivalic acid and the glacial acetic acid and water are uniformly mixed up under the normal temperature according to the molar ratio of 1:1:3 to 1:1.4:3; after vaporization, the pivalic acid and the glacial acetic acid and the water are catalyzed to have a decarboxylation reaction and then pinacolone is produced under the normal pressure with the temperature of 380 to 400 DEG C in a fixed bed reactor; the carrier of the catalyst is A12O3; active components are one or two compounds of rare earth metals Ce, Nd, La or oxides thereof; the active component content which is calculated according to the weight of metal oxides takes up 20-30 percent of the weight of the carrier A12O3; the bulk density of the catalyst is 0.47 to 0.5; after analysis, the selectivity of the pinacolone is above 95 percent and then the 3, 3-dimethyl-2-butanone product with the purity of 99 percent can be obtained after the pinacolone is purified by rectification under the normal pressure.

The invention relates to a microbial compound preparation containing Lactobacillus acidophilus and a processing technology thereof. The microbial compound preparation contains a Lactobacillus acidophilus fermentation culture; the Lactobacillus acidophilus is taken as an active ingredient; and the viable count of the Lactobacillus acidophilus in the microbial compound preparation is more than 7.7*10<10>cfu/g, and the average particle size is less than 10mu m. The Lactobacillus acidophilus fermentation culture is obtained by culturing in a fermentation culture medium containing 3 to 5 percent of porous starch, 4 to 5 percent of defatted milk powder, 5 to 7 percent of defatted soybean powder, 4 to 6 percent of tapioca flour, 3 to 5 percent of papaya powder, 1 percent of glutamic acid soda, 1to 2 percent of glucose, and 0.8 percent of table salt. Production processes are simple, and production cost is low. The microbial compound preparation can be prepared into medicinal preparations, health-care products, foods and nutritional supplements, can be taken as a core functional ingredient in feed additives, and has a broad application range.

The invention discloses the technology for preparing hydrogen and zinc oxide powder through the reaction between water vapor and metal zinc. The jet flow vacuum technology is utilized, and high-speed water vapor jet flow forms vacuum in a zinc solution container connected with a jet flow pipeline, so the evaporation temperature of the metal zinc is reduced, the volatilization of the metal zinc is accelerated, the volatilized metal zinc vapor enters the water vapor jet flow, after being mixed, the volatilized metal zinc vapor and the water vapor immediately react for generating the hydrogen and the zinc oxide powder, the pure hydrogen and the zinc oxide powder can be respectively obtained through the heat exchange by a heat exchanger after the gas-solid separation, and heat recovered by the heat exchanger can be used for producing water vapor. The temperature range of the water vapor at an inlet is between 100 DEG C and 2000 DEG C, and the temperature of the zinc solution is higher than 419 DEG C. The invention utilizes the jet flow vacuum technology, lowers the evaporation temperature of the metal zinc, solves the problem of zinc-water reaction interfaces, improves the reaction speed of the water vapor-zinc vapor, and belongs to the high-efficient preparation technology for the pure hydrogen and the zinc oxide powder.

The invention relates to an intelligent fruit peeling apparatus based on internet of things. The apparatus comprises a fruit screening device, a peeling chamber, a foreign material separation chamber,a foreign material compression chamber, a water regeneration chamber, a circulating water control chamber and a control display part. Through the peeling device with a specific structure, differently-sized fruits can be quickly peeled. By adjusting heights of friction heads, fruit with different thicknesses can be peeled. Fruit peels and other waste can be processed with high efficiency because aseparation board with a specific structure is arranged and a separation rotary cylinder rotates.

The invention provides a continuous stamp forging precise forming process of an automobile retaining frame part and belongs to the field of metal pressure processing. The process adopts the process route that a forming process method of combining precise stamping and cold forging is adopted, an annealed steel plate with the thickness a little greater than the thickness of a part flange part is selected as raw materials, after uncoiling and flattening work procedures, the steel plate is clamped by a feeding roller and is conveyed into a multi-station stamp forging forming mold, workpieces are formed in four steps, the four steps respectively comprise the first work step of inner hole blanking, the second work step of flattening/bulge extrusion, the third work step of hole extrusion and bulge forming and the fourth work step of bulge hole punching/inner hole punching/blanking, and the workpieces are obtained. The parts obtained by adopting the process do not need the subsequent machining at all. Compared with the traditional forging process, the continuous stamp forging precise forming process has the advantages that the precision of the forged piece is improved, the efficient and continuous production of retaining frame part products is realized, and the production efficiency is greatly improved.

The present invention pertains to the technical field of energy resource chemical industry, and in particular relates to a continuous reaction device and process for synthesizing polyoxymethylene dimethyl ethers by using paraformaldehyde and methylal as feedstock or using trioxane and methylal as feedstock in the presence of an acidic catalyst. The continuous reaction device comprises multiple slurry bed stirred tank reactors connected in series or in combination of series connection and parallel connection, and also comprises an on-line solid-liquid separation device to perform separation of the reaction mixture from the catalyst. Each of the tank reactors is provided with an axial-flow stirring paddle having 2-6 blades per layer, to ensure sufficient mixing of the reactants with the catalyst. By using a distributed control pattern of reaction temperature and feedstock supplying to enhance the process and to optimize the operation, the reaction device of the present invention can effectively achieve large-scale continuous production of polyoxymethylene dimethyl ethers, and both the yield rates and the distribution of the reaction product are better than those of prior art.

The invention discloses a full-biodegradable lamination composite paper material and a preparation method thereof. According to the full-biodegradable composite paper material disclosed by the invention, the biodegradable binding material is used for replacing a traditional chemical adhesive to be applied to compounding of laminated composite paper so as to reduce residues of toxic and harmful substances; and through a mode of compounding the paper and the film, the defects of easiness in roll sticking, low production efficiency and poor material barrier property caused by laminating PBAT resin on a single paper surface are overcome. According to the invention, all the parts are made of full-biodegradable materials, so that the whole body has good biodegradability. After being discarded, the material can be fully biodegraded in the natural environment and does not pollute the environment. The relative biological decomposition rate is greater than or equal to 90%.

The invention provides a device and method for preparing biodiesel through a rotary fixed bed fast reaction. The device is mainly composed of a fixed bed reactor with a rotary shaft (9). Firstly, the fixed bed reactor filled with a solid catalyst is added to reactant methyl alcohol, and meanwhile a motor (12) is started to enable a reaction still to rotate. The dropping speed of raw material oil is controlled, and the oil and excessive methyl alcohol are subjected to the fast reaction. The contact chance of the reactant and the catalyst can be increased through rotating, more active point locations can be occupied, and sinking and separation of fatty acid methyl ester can be promoted. By means of a liquid redistributor, the phenomenon that liquid is unevenly distributed due to rotary centrifugation is avoided. The layering condition of sight glass (21) is observed, and products are removed in time. A forward reversible reaction can be accelerated through excessive methyl alcohol, timely removal of the products and the rotary reaction still. The advantages of being easy to operate, high in raw material utilization rate, high in esterification efficiency and the like are achieved, and the device and method can be used for fast and continuous preparation of the biodiesel.

The invention discloses a novel catalytic process for arylamine aromatic hydrocarbon alkylation, belongs to the technical field of chemical synthesis, and can realize innovative introduction of a novel catalyst. The novel catalyst comprises a molecular sieve catalyst and a heat transfer catalytic fiber rod, an acidic center formed by protonic acid and aprotic acid is attached to the surface of a molecular sieve to form the catalyst with high activity and long service life, the catalyst is applied to a fixed bed reactor, the reaction process and the catalyst are fluoride-free and chlorine-free,and repeated utilization can be realized without backwashing. The introduced heat transfer catalytic fiber rod can improve the problem of poor heat transfer performance in the fixed bed reactor, notonly can realize rapid conduction and uniform distribution of heat, but also can trigger expansion and contraction actions of the fiber rods by the heat, so that reactant gas flows in a local range, and the reaction efficiency is improved. The catalytic reaction effect is improved through contact of the extruded gas and the molecular sieve catalyst, so that efficient and continuous production of alkylbenzene is realized.

The invention discloses a polyurethane thermal panel and a production process thereof. The panel comprises composite polyether and isocyanate. The composite polyether comprises compound polyhydric alcohols, an amine catalyst, a foam stabilizer, a foaming agent, a flame retardant and modified graphene. The ratio of raw materials is strictly controlled in the production process, the mixing ratio ofthe raw materials is accurately measured, and the efficiency and stable-quality continuous production of the polyurethane thermal panel is realized through mixing, casting and foaming of a quick spraying gun of a foaming machine.

The invention discloses a full-automatic workpiece assembling system. The full-automatic workpiece assembling system comprises a feeding part and an assembling part arranged at the rear end of the feeding part. The feeding part comprises a rack, a feeding mechanism arranged at the front end of the rack, and a conveying belt arranged at the rear end of the rack, and the conveying belt is connected with a driving motor used for driving the conveying belt to operate. The assembling part comprises a case and a turntable rotatably arranged on the case. A stepping motor driving the turntable to rotate is arranged in the case. A plurality of mounting bases are annularly arranged on the turntable at equal angles. A nut feeding mechanism used for embedding nuts into the mounting bases, a taking mechanism used for taking material strips to the mounting bases, a safety braking mechanism used for embedding accessories into the mounting bases manually, a screw locking mechanism used for locking screws to corresponding positions, and a discharging mechanism used for discharging assembled pieces out of the mounting bases are arranged on the case around the turntable.

The invention discloses a method for continuously synthesizing 4-oxoisophorone in a microchannel reactor. The method comprises the following steps: feeding a metered catalyst solution, oxygen and beta-isophorone into the microchannel reactor in proportion, fully mixing and then reacting to obtain the 4-oxoisophorone. According to the process method disclosed by the invention, the microchannel reactor is utilized, so that the reaction mass-transfer efficiency is high, the reaction temperature is stable, and the experimental operability is greatly improved; the metered oxygen is used as an oxidant, the reactor volume is small, no waste gas is generated, the flash-explosion risk of a traditional kettle type gas-liquid two-phase reaction is effectively avoided, and the safety performance of the reaction is improved; a special system is adopted, so that a homogeneous catalyst is prevented from slagging during the reaction so as to plug the reactor, and the efficient continuous production of the 4-oxoisophorone becomes possible.

The present invention discloses a continuous cyclopentylmethyl ether production process and production system, the production process comprises vaporization of cyclopentene, filteration through an adsorption column, mixing with methanol and vaporization in a raw material vaporizer, catalytic addition reaction of the cyclopentene by entering a fixed bed reactor, distillation of the reaction solution by a light component removal tower, recovery and reuse of CPE and the methanol from light components, and rectification of a light component removal tower kettle liquid by a CPME rectification device to obtain cyclopentylmethyl ether, wherein the temperature of the catalytic addition reaction is 100-105 DEG C, the liquid hourly space velocity is 0.35-0.55hr<-1>, the gas hourly space velocity is 110-125hr<-1>, the pressure is 0.1-0.12Mpa. The conversion rate of the methanol is greater than 95%, the gas chromatography (GC) purity of a product in the reaction solution is greater than 90%, the purity of the cyclopentylmethyl ether prepared by refining is greater than 99.5% (the purity is detected by GC area normalization method), and the total yield of the cyclopentylmethyl ether is more than 80%.