59results about How to "Feeding is simple" patented technology

The invention provides a regenerant for regenerated rubber and a preparation method of the regenerant. The regenerant for the regenerated rubber comprises an activator, a softener, a tackifier and a fortifier which are uniformly mixed, wherein the softener comprises a main softener and an auxiliary softener, the viscosity of the main softener is 20-40mPa.s and the main softener accounts for 24-70% by mass of the whole system. The regenerant for the regenerated rubber has the advantages that (1) various regenerating auxiliaries are fused together by virtue of processes of heating, stirring and the like, and materials are convenient and simple to input; (2) the regenerating auxiliaries are not heated again, so that the regenerant is safe to operate; (3) the solid regenerating auxiliaries are not crushed and stirred, so that materials are easy to input; (4) the defect that conventional activator and softener are sticky and adverse to automatically weigh, convey and uniform spray is overcome; (5) main and auxiliary softeners are matched in use, so that the regenerant is convenient to use and excellent in regenerating effect; and (6) the regenerant is low in viscosity, single in character, flowable at normal temperature and easy to store, package and convey.

The invention relates to a preparation method of 2-methyl-1-(4-substituted phenyl)-2-morpholinyl-1-acetone. The preparation method comprises two steps of epoxidation reaction and morpholine substitution reaction, wherein in the morpholine substitution reaction, a proper amount of an auxiliary agent is added, and the auxiliary agent is selected from at least one of water, a strong-acid weak-alkalisaline solution and a strong-alkali weak-acid saline solution, so that the ring opening rate and the ring opening selectivity in the morpholine substitution reaction process can be obviously improved,and the overall reaction rate and yield are further improved, according to the method, the problem that subsequent catalysts are difficult to filter, recycle and purify due to the fact that catalystssuch as carclazyte need to be added in the traditional process is solved, the high-purity 2-methyl-1-(4-substituted phenyl)-2-morpholinyl-1-acetone can be obtained more easily, the process cost and the aftertreatment operation risk are reduced, and the economic benefit is improved.

The invention belongs to the technical field of fuel consumption measurement of a spent fuel element in nuclear fuel circulation and discloses an automatic radiochemical separation system used for measuring fuel consumption of a spent fuel element. The system is composed of a dissolving unit, a material blending unit, a separation unit and a control system, wherein the dissolving unit, the material blending unit and the separation unit are connected with one another by a material liquid conveying pipe; the dissolving unit comprises a dissolving device; the dissolving device is of a double-layered three-neck round bottle structure; the separation unit mainly comprises a Mo separation column, a Nd separation column, a Pu separation column, a U separation column and Cs detection units; and the material blending unit comprises a concentration diluting device for diluting concentration, an isotope diluting device for diluting isotopes, a Pu material blending tank, a U material blending tank, a Nd material blending tank, a solenoid valve and a peristaltic pump for supplying power to material liquid. The system has the characteristics that monitoring body nuclides can be separated simultaneously, the separation time is short, the separation system is simple and the automatic separation can be realized.

The invention discloses a method for preparing Moxifloxacin impurity E. The method specifically comprises the steps of alkalizing Moxifloxacin hydrochloride with a sodium bicarbonate solution so as to obtain Moxifloxacin free alkali, carrying out demethylation reaction on the Moxifloxacin free alkali, and finally carrying out recrystallization refining, thereby obtaining the high-purity Moxifloxacin impurity E. The method has the characteristics that the synthesis route is short, the operation is simple, the obtained impurity product is relatively high in purity and can be applied to reference research, and the like.

The invention relates to the field of organic synthesis and discloses a method for preparing 1,1,3-trichloroacetone. The method comprises: in the presence of an acidic catalyst, contacting a raw material containing 1,1-dichloroacetone and/or 1,3-dichloroacetone with symclosene for reaction. The method for preparing 1,1,3-trichloroacetone provided by the invention can achieve the purpose of obtaining 1,1,3-trichloroacetone with high purity and high yield in a short period in a pilot production process or even an industrial production process.

The invention provides a preparation method and application of a monomer-residue-free high-activity tackifying chain extender. The preparation method comprises the following steps: mixing an aromatic vinyl monomer, an acrylate monomer, an initiator and a solvent or water, carrying out heating for polymerization, and carrying out double-screw secondary reaction granulation to prepare the monomer-residue-free tackifying chain extender. The epoxy functionalized chain extender disclosed by the invention can be applied to recycled polyester structure materials, and can be applied to repair and growth of bio-based biodegradable plastic molecular chains with polyester structures. The preparation method is simple in process control and low in investment, and the produced monomer-residue-free high-activity tackifying chain extender is stable in composition, simple to use and widely applicable to the fields of medical treatment, packaging, household appliances, automobiles and the like. The method has very good application prospects and industrial values.

The invention relates to a method for preparing Ritonavir applied to the technical field of pharmaceutical synthesis. According to the method, under the conditions of organic alkali and an organic solvent, HATU is used as a condensing agent, N-[2-Isopropylthiazol-4-ylmethyl(methyl)carbamoyl]-L-valine and (2S,3S,5S)-5-Amino-2-(N-((5-thiazolyl)-methoxycarbonyl)amino)-1,6-diphenyl-3-hydroxyhexane are subjected to an acidamide reaction, and then a certain post-treatment is performed, so that the Ritonavir is obtained. According to the method disclosed by the invention, the synthesis yield of the Ritonavir is increased, the purity is high, and the cost of raw materials is effectively reduced. Besides, the reaction time is short, the feed is simple, nitrogen protection is not needed, and feeding temperature needs to be appropriately controlled, so that by-products of HATU can be easy to wash away, the preparation time is greatly shortened, the working efficiency is improved, and the method is suitable for industrial production.

The invention relates to an executing mechanical arm used for a complete intelligent fishpond feeding all-in-one machine. The executing mechanical arm includes a three-degree-of-freedom parallel mechanism and a feeding device. The three-degree-of-freedom parallel mechanism is disposed exactly below the feeding device and the upper end of the three-degree-of-freedom parallel mechanism is connected with the feeding device. The executing mechanical arm has functions of direction and angle adjustment and feed loading and delivery, so that a function of automatic feeding in fishery breeding is realized. Besides, the executing mechanical arm is high in intelligent degree, flexible and convenient for direction and angle adjustment, high in feeding speed and long in feeding distance, and problems of large working load, large risks, low efficiency and the like of prior manual feeding realized by workers riding boats are solved.

The invention discloses a double-color rubber oil seal mold. The double-color rubber oil seal mold comprises a pressure injection mold, an upper mold, a middle mold, a lower mold and a mold core, wherein the upper mold is located below the pressure injection mold; the middle mold and the mold core are arranged between the upper mold and the lower mold; a first material cavity and a second materialcavity which are sunken downwards are formed in the top end of the upper mold; the bottom structure of the pressure injection mold is matched with the first material cavity and the second material cavity; the middle mold, the lower mold and the mold core are matched to form a concave cavity; edge tearing grooves are formed in the joint of the lower mold and the middle mold and the joint of the lower mold and the mold core; an annular boss is arranged at the bottom of the upper mold; the annular boss extends into the concave cavity of the lower mold to form a first cavity used for containing an inner sealing body together with the side surface of the mold core; and the annular boss extends into the concave cavity of the lower mold to form a second cavity for accommodating an outer sealingbody together with the side surface of the middle mold. The invention belongs to the technical field of oil seal molds, and particularly relates to the double-color rubber oil seal mold capable of simultaneously vulcanizing and molding rubber materials with two different colors in the same oil seal product in the mold.

The invention relates to a full-intelligent fishpond feed putting integrated machine. The full-intelligent fishpond feed putting integrated machine comprises a land walking device, water surface walking devices, a lifting device, a three-degree-of-freedom parallel mechanism and a feed putting device. The water surface walking devices are located on the left side and the right side of the land walking device respectively and are connected with the land walking device, the lifting device is located over the land walking device, the lower end of the lifting device is connected with the upper end of the land walking device, the three-degree-of-freedom parallel mechanism is located between the lifting device and the feed putting device, the lower end of the three-degree-of-freedom parallel mechanism is connected with the lifting device, and the upper end of the three-degree-of-freedom parallel mechanism is connected with the feed putting device. The full-intelligent fishpond feed putting integrated machine has the land walking, water surface walking, orientation angle adjusting and feed charging and putting functions, and the automatic feed putting function of fishery breeding can be achieved; besides, the full-intelligent fishpond feed putting integrated machine is high in intelligence degree, orientation angle adjustment is convenient and flexible, the feed putting speed is high, the feed putting distance is large, and the problems that the workload of existing manual feed putting by a boat is large, high dangerousness exists, and efficiency is low are solved.

The invention discloses a preparation method of a resorcinol formaldehyde resin for a modified rubber adhesive, which comprises the following steps: a) adding p-alkylphenol and polyformaldehyde into an organic solvent, and stirring uniformly at 40-70 DEG C; b) dropwisely adding an alkali solution, and keeping the temperature for 1-4 hours; c) heating the product obtained in the step b) to 80-100 DEG C, keeping the temperature for 2-4 hours, and cooling to 90 DEG C below; d) adding an acidity regulator into the product obtained in the step c), stirring, adding resorcinol, heating to 100-150 DEG C, and reacting under reflux for 2-5 hours; and e) removing the organic solvent from the product obtained in the step b), and starting granulation when the softening point of the product is 99-109 DEG C to obtain the granular resorcinol formaldehyde resin. The method uses polyformaldehyde instead of the formalin, and has the advantages of simple material feeding and lower risk.

A printing and dyeing production technology comprises steps of singeing, pretreatment, mercerization, dyeing and printing as well as finishing, wherein pretreatment comprises the following steps: preparation of a NaCl solution, fabric feeding, electrolysis of the NaCl solution, fabric desizing, refining and bleaching, fabric rinsing and fabric drying. By means of the production technology, the NaCl solution is electrolyzed by negative and positive electrodes, NaOH and various oxides required for procedures of fabric desizing, refining and bleaching are generated, and fabric is desized, refined and bleached integrally. The requirements of fabric desizing, refining and bleaching are met while feeding and procedures of the production technology are simplified. Meanwhile, various biochemical indexes of sewage produced in the whole implementation process of the production technology are remarkably lower than those of sewage produced through an existing production line, and the sewage treatment cost is greatly reduced.

The invention provides a preparation method of apple vinegar and a product thereof, and the preparation method of the apple vinegar comprises the following steps: mixing apple raw material juice with water, filtering, and sterilizing to obtain a diluent; respectively carrying out seed culture on strains of saccharomycetes, acetic bacteria and lactic acid bacteria, and mixing to obtain a production leavening agent; and inoculating the obtained production leavening agent into the diluent, and fermenting to obtain the apple vinegar. The preparation method of the apple vinegar is simple in formula, high in strain adaptability, high in fermentation speed, unique in fermentation flavor, high in process operability and suitable for large-scale factory production, and the product obtained through fermentation can be directly applied after sterilization or applied to other products as an ingredient. The invention further provides a beverage containing the apple vinegar. The beverage containing the apple vinegar is free of an exogenous stabilizer, low in slurry viscosity, good in fluidity and capable of keeping a stable system, the beverage containing the apple vinegar has unique flavor, which is sour, sweet and delicious.