31results about How to "Large amount of single processing" patented technology

The invention discloses a pyrolyzer which comprises a pyrolyzing furnace, a cooler assembly and a gas storage tank, wherein the pyrolyzing furnace comprises a furnace body, two cloth boards and a heating radiation tube; the furnace body is provided with an oil-gas outlet; the two cloth boards are separately arranged in the furnace body in the up-and-down direction; each cloth board is provided with a plurality of through holes which are penetrative in the thickness direction; and the heating radiation tube is arranged in the furnace body and positioned between the two cloth boards. The cooler assembly is connected with the oil-gas outlet. The gas storage tank is connected with the cooler assembly and used for receiving pyrolysis gas. The pyrolyzer accelerates the material heating, enables the material to be heated uniformly, does not have coking, effectively increases the single-process treatment capacity, can fully utilize the radiation heat of the heating radiation tube, and has higher heat efficiency; and thus, the pyrolyzer is convenient for releasing the oil-gas mixture, and the generated oil-gas mixture contains fewer solid products, thereby avoiding the blockage of the oil-gas outlet.

The invention discloses a method for degrading lindane in different types of soils by using an additive in cooperation with a mechanochemical method, aiming at degradation of lindane in different typical soils, wherein a horizontal planetary ball milling mode is adopted at normal temperature and normal pressure, proper additives and ball milling conditions are selected, efficient degradation of lindane in different types of soils can be realized, the ball-to-material ratio is 10: 1, the material ratio is 3%-9%, and the rotating speed of the ball milling tank is 500r / min. Results show that after only 3% of NaOH is added and ball milling is carried out for 10 min, the degradation rate of lindane in four kinds of soil reaches up to 95% or above, and the content of lindane in the soil is reduced from 100 mg / kg to 5 mg / kg or below; CaO is used as an additive, so that efficient degradation of lindane in four kinds of soil can also be realized. The method is simple and safe to operate, common and practical in additive, rapid and efficient in lindane degradation and suitable for mechanochemical remediation of lindane-polluted soil in different regions, and has a good practical application prospect.

The invention discloses an efficient grain wind power impurity removing device. The efficient grain wind power impurity removing device comprises a distributing vehicle, a distributing vehicle truss,a shell, impurity removing barrels and a supporting frame; a platen is fixedly installed at the top of the supporting frame and is fixedly provided with a cylindrical shell, the impurity removing barrels which are continuously arranged in a linear manner are arranged inside the shell, a discharging hopper is fixedly connected to the bottoms of the impurity removing barrels and extends out from thelower surface of the platen, and a material collecting hopper is installed at the position, corresponding to the discharging hopper, of the supporting frame; and a draught fan is further installed onthe platen, an air pipe is installed at the air outlet pipe of the draught fan, the air pipe is connected with multiple air inlet branches, the air inlet branches penetrate the shell and are connected with an air box on the outer side of the impurity removing barrels, and the air box is provided with an air inlet flange used for being connected with the air inlet branches. The efficient grain wind power impurity removing device has the beneficial effects that grain is evenly distributed into the impurity removing barrels through the distributing vehicle, impurity removing operation is carriedout through the multiple impurity removing barrels, efficiency is high, and the one-time processing amount is large.

The invention discloses a method for removing residual organic solvents from a bulk drug, which comprises the following steps: firstly, extracting the bulk drug for 0.5 to 2 hours statically and then extracting the bulk drug for 0.5 to 6 hours dynamically under the condition that the temperature is between 35 and 80 DEG C and the pressure is between 10 and 40 MPa, so as to obtain a bulk drug finished product of which the residual organic solvent accords with the limit standard in an extraction kettle; secondly, decompressing and separating carbon dioxide flowing out of the extraction kettle under the condition that the pressure is between 4 and 7 MPa and the temperature is between 25 and 45 DEG C, collecting depositions in a separating kettle, and reclaiming the bulk drug in the depositions for reuse in the extraction kettle. The carbon dioxide flowing out of the separating kettle is adsorbed and separated by using an adsorbent, and the obtained carbon dioxide is introduced to the extraction kettle for recycling. The residual organic solvent in the bulk drug finished product obtained by the method accords with the limit standard, the yield of the bulk drug is high, and the carbon dioxide can be recycled. The method has the advantages of simple process, stable operation, economy and high efficiency, and suitability for industrial application.

The invention relates to a method for enriching fish oil EPA and DHA by low temperature crystallization, and belongs to the technical fields of aquatic product processing and health care products. Themethod comprises the following steps: pretreating fish oil, and then adding an organic solvent and a nucleation assisting agent in the fish oil, wherein the mass ratio of the fish oil to the organicsolvent to the nucleation assisting agent is 100 to (200-1000) to (0.5-2); mixing evenly, carrying out low temperature crystallization, carrying out vacuum suction filtration and separation of a crystal and a non-crystallized liquid, then removing the organic solvent and the nucleation assisting agent in the non-crystallized liquid, and thus obtaining the enriched fish oil EPA and DHA. The methodfor enriching the fish oil EPA and DHA by low temperature crystallization has the advantages of simple equipment, easy operation, large single treatment quantity and low cost, allows effective components not to easily undergo oxidization, isomerization, polymerization and other reactions, and is well able to maintain the natural activity of the EPA and DHA.

The invention provides a method for purifying an electron mediator azure C, comprising the following steps: taking low-purity azure C, using fluorenylmethoxycarbonyl chloride as an amino-protecting reagent to react with azure C to obtain amino-protected electrons After deprotection of the medium, high-purity azure C can be obtained. The purification method of the present invention has a large amount of single treatment, and the output of the obtained high-purity product is also large, which can effectively meet the preparation requirements of biosensors for blood sugar detection and the like, and improve production efficiency.

The invention discloses a preparation method of a hydrophobic modified diamond abrasive. The method comprises the following steps: carrying out mixed acid treatment on a diamond raw material by sulfuric acid, nitric acid and perchloric acid according to a certain ratio, so that the surface of the diamond raw material has more -COOH groups; washing a diamond grinding material with water until the pH value of the supernatant is 5-7 by adopting a natural sedimentation or centrifugation method, and drying to obtain an agglomeration-free loose diamond grinding material; adding diamond powder to betreated into a high-speed mixer, spraying a hydrolyzed silane coupling agent, reacting carboxyl on the surface of diamond with the silane coupling agent at 80 DEG C for 3-5 minutes, and drying residual moisture to obtain the hydrophobic diamond powder. According to the preparation method, the mixed acid treatment is adopted so that the surface of the diamond is provided with more -COOH groups, andthe reaction capacity of the surface of the diamond and the silane coupling agent is improved; the method has the advantages of large single treatment capacity, short reaction time, simple operationprocess, low solvent consumption, energy saving and environmental protection.

The invention provides a method for manufacturing graphene nanoplatelets by arranging a rotary screw rod in a vibrating mill and the graphene nanoplatelet. A graphene raw material and dry ice are added into a milling barrel of the vertical vibrating mill with the screw rod, and the graphene raw material can be cut into the graphene nanoplatelet with complete crystal lattices under the synergistic effect of vibration of the vibrating mill, shearing of the screw rod, and gas. Due to the fact that no grinding medium exists in the vibrating mill, the situation that the crystalline structure of graphite is damaged due to repeated grinding on the graphite is avoided, and the graphene nanoplatelet with the complete crystal lattices can be obtained. Meanwhile, the preparation process is simple, the processing capacity each time is high, and the graphene nanoplatelet can be prepared efficiently.

The present invention discloses a method for purifying and processing ultrahard abrasive material, which comprises the steps: (1) according to the ingredients of the used catalyst, electrolytes that are matched with ferrum group, nickel group and cobalt group are respectively prepared; metal catalyst is separated out from an anode plate by utilizing an electrochemical method; (2) hexagonal boron nitride and cubic boron nitride are separated from each other; (3) in the subsequent acid boiling process, acid is dripped at the speed of 60-80 drops / min; (4) the mixture is heated to 200-300 DEG C and evenly stirred in a vessel. By adopting the technical proposal, the method has the advantages that handling capacity is large for a single time and can reach 0.35-0.4 million carats / kettle; the acid consumption and the electricity consumption can be greatly reduced, the cost is saved, and the pollution is lowered; by utilizing the electrochemical method, the metal catalyst can be easily recovered, the cost can be saved, and the pollution can be reduced; the process flow is shortened, the efficiency is improved, and the potential safety hazard is reduced.

The invention provides a method for preparing MxR1-xFe2O4 nanometer powder quickly, which is characterized by comprising the following steps of: (1) mixing ferrous sulfate heptahydrate and one or more of crystal water-containing metal sulfates according to a molar ratio of M<2+> to R<2+> to Fe<3+> of x:(1-x):2 in a chemical structural formula MxR1-xFe2O4, and putting the mixture in a planet mill,and mixing and grinding for 3 to 5 minutes, wherein x is equal to 0.5 to 1; (2) adding a NaOH solid according to a molar ratio of Fe<2+> to OH<-> of 1:3, performing dry grinding by using the planet mill at two stages, wherein the dry grinding is performed for 8 to 10 minutes at the first stage, and is performed for 5 to 10 minutes at the second stage; and (3) adding deionized water, so that the mass ratio concentration of slurry is between 40 and 50 percent, performing wet grinding by using the planet mill for 5 to 10 minutes, and performing centrifugal separation, washing and drying sequentially to obtain the MxR1-xFe2O4 nanometer powder. In the method, the MxR1-xFe2O4 nanometer powder with an excellent crystal structure and high purity can be synthesized directly without calcining, so the method is high in operability and repeatability, the phenomenon of unstable hand lapping process of mortars in the conventional low-temperature solid-phase reaction method is prevented, energy consumption is reduced, and the method is suitable for industrial production.

The invention discloses a method for purifying dihydromyricetin, which comprises the following steps of: (1) dissolving coarse dihydromyricetin in a certain amount of solvent, and blending into a paste; (2) uniformly mixing the paste and a certain amount of adsorbent, and drying at the temperature of between 45 and 75 DEG C for 0.25 to 1 hour; (3) placing the mixture in a certain amount of water,filtering while hot, and standing the filter liquor over night; (4) filtering and drying to obtain dihydromyricetin crystal; and (5) repeating the operation once according to the steps (1) to (4) on raw materials with the coarse product content of less than 50 percent, wherein the solid liquid mass ratio, the adsorbent amount and the hot water amount for the second time are in the standard ratio based on the mass of the dihydromyricetin crystal, the rest indexes are invariable. The method for purifying the dihydromyricetin has the advantages of greatly reduction of the solvent consumption, nosolvent loss, no operation such as heating the dissolved coarse products, distilling and recovering the solvent and the like, simple equipment, low input, energy conservation and environmental protection, fewer steps, high single processing capacity, low cost, and easy industrialized production in rural areas and farms.

The invention provides a method for efficiently separating and purifying high-purity glycyrrhizic acid from licorice. Specifically, the glycyrrhizic acid extract obtained by concentrating the licorice extract is subjected to hydrophilic solid-phase extraction (SPE) to obtain crude glycyrrhizic acid, and the crude product is subjected to one-step reverse-phase preparation high-performance liquid chromatography to obtain pure glycyrrhizic acid. The characteristics of the present invention are: the present invention has prepared high-purity glycyrrhizic acid; after SPE treatment, the content of glycyrrhizic acid is increased from 13% in the extract to 64% in the crude product of glycyrrhizic acid, which greatly simplifies the complexity of the sample, and is The further purification of the sample creates favorable conditions; SPE has a large single-time treatment capacity and high efficiency, and is suitable for pretreatment and enrichment of target substances; reversed-phase preparative chromatography can obtain glycyrrhizic acid with a purity of 99%, which is conducive to industrial production.

The invention discloses a drum cycle large-capacity dry goods stir frying equipment, which comprises a thermal insulation cover, a threaded guide rod, a lifting arm, a sliding sleeve, a feeding motor, a main shaft, a main turning drum, a lifting drum, a thermal insulation sleeve and Heating wire, the bottom of the workbench is fixed with a feeding motor by bolts, a main shaft is installed on the feeding motor, a spiral blade is arranged at the bottom of the main shaft, and a main turning cylinder is arranged in the middle of the workbench. The lower part of the sliding sleeve is provided with a screw barrel, which is provided with an internal thread, and the internal thread is engaged with the lifting thread, and the lifting barrel is arranged inside the main turning barrel, and the outer side of the main turning barrel is set There are spiral blades, a heat preservation cover is installed on the upper part of the main turning barrel, a cover handle is arranged on the heat preservation cover, the cover handle is cone-shaped, and a steam loss hole is arranged on the heat preservation cover. The invention can thoroughly circulate and heat dry goods, save heat transfer media such as sand, is convenient for loading and unloading, is suitable for various dry goods, and has strong versatility.