108results about How to "Shorten the extraction process" patented technology

The invention relates to a method for separation and purification of fluorescent grade yttrium oxide and europium oxide from waste phosphor powder, comprising the steps of: first conducting impurity removal so as to obtain mischmetal containing Y2O3 and Eu2O3, then dissolving the mischmetal with an acid solution for preparing a rare earth feed liquid, and carrying out extraction with an extraction system after alkaline solvent saponification, thus obtaining the raffinate, washing liquid and strip liquor; adding an oxalic acid solution and conducting filtration, then subjecting the obtained filter residue to calcination, thus obtaining the fluorescent grade yttrium oxide, and yttrium-rich rare earth and europium oxide. The invention has the advantages that, reagents are of wide source, lowprice and easy availability, and the simple process of the method can greatly shorten the extraction process of naphthenic acid. In the invention, three deposition impurity-removal treatments before extraction can remove most impurities and leave only a small amount of aluminium and silicon, so that an emulsification phenomenon in the naphthenic acid extraction system cannot be caused, thus providing a good solution to the problem that naphthenic acid extraction is susceptible to high valent metal ions and results in emulsification.

The invention provides a method for enriching gold and platinum group metal in the process of melting copper-nickel sulfide ore, relating to the method for enriching the gold and platinum group metal in the process of melting rare noble metal-containing copper-nickel sulfide ore. The method is characterized by comprising the following steps of: performing magnetic separation to a nickel ore concentrate to obtain fine sulfur grain-containing alloy; then performing two-stage atmospheric pressure leaching and one-stage pressure leaching to the fine sulfur grain-containing alloy to obtain gold and platinum group metal-containing pressure leached iron cake; then mixing the pressure leached iron cake and the nickel ore concentrate for performing concentration smelting and water quenching to obtain the gold and platinum group metal-containing water-quenched noble metal sulfonium; and finally delivering the obtained water-quenched noble metal sulfonium to a platinum group metal production line for performing concentration purification procedures, and delivering the smelt slag to perform nickel fire metallurgy-process smelting treatment. The method is simple in technique, the concentration ratio and the recovery rate of the noble metal are high, no environmental pollution exists, the smelting point is low, the energy consumption is less, and the production cost is low.

The invention relates to a Chuanxiong Chatiao soft capsule and a preparation method thereof. In modern medicine, the Chuanxiong Chatiao powder is improved and made into tablets, capsule, oral liquid and so on, which can not achieve the efficacy of the original formulation. The preparation method of the Chuanxiong Chatiao soft capsule is that Chuanxiong, red peony root, gastrodia elata, notopterygium, angelica, asarum, chrysanthemum, mint, parsnip, tea leaves, liquorices and catnip are put into the Chinese medicine extraction pot. Water is added for soaking, and the mixture is decocted for three times. At the same time, volatile oil is collected. The water decoction liquid and extraction liquid are combined and processed with centrifugal filtration. The filtrate is decompressed and condensed, and crushed with grain size less than 120 meshes after being processed with spray drying. The extraction volatile oil is melted with a certain amount of edible oil. Dry extractum power is mixed with edible oil. The dry extractum power takes 20-50 weight percent of the oil base in soft capsule. The mixture is grinded by a colloid mill, and pigment gelatin which is taken as capsule wall materialis added and is made into capsule core extractum oil base liquid. The soft capsule is formed by pressing under the condition of stirring. The soft capsule is manufactured after being dried, washed and dried. The Chuanxiong Chatiao soft capsule is used for replacing Chuanxiong Chatiao powder.

The present invention discloses a power battery-based protective box, comprising a protective box body and a box cover that is positioned at the top of the protective box body, the top of the box cover is provided with two bolts that are symmetric about an axis of the box cover, the protective box body is internally provided with a receiving cell, two limit blocks are fixedly connected above walls of the receiving cell, the two limit blocks are arranged symmetric about the axis of the receiving recess, a support plate is disposed in the lower portion of the inside of the receiving recess, a first spring is disposed in a gap between the bottom of the support plate and the receiving recess, one end of every first spring is fixedly connected with the bottom of the wall of the receiving recess, and the end of every first spring far away from the bottom of the wall of the receiving cell is fixedly connected with the bottom of the support plate. The power battery-based protective box is simple in structure and convenient to operate and enables a battery to be conveniently taken out or put in for detection or replacement with higher speed, the step of taking out and putting in is omitted, and efficiency is higher for workers.

The invention belongs to the field of hydrometallurgy in non-ferrous metallurgy, and particularly relates to a method for efficiently separating and recycling tellurium from copper anode mud copper separation slag, which effectively realizes efficient separation of tellurium in copper anode mud copper separation slag. According to the method, the efficient leaching process of tellurium in the copper anode mud copper separation slag is realized by adopting a hydrochloric acid oxidation system, the tellurium leaching rate is more than 90%, the gold leaching rate is 99% or above; gold in the solution is preferentially reduced and precipitated by uniformly and slowly adding a weak reducing agent, the gold precipitation rate is 99% or above, and tellurium basically does not precipitate; then platinum and palladium in the solution are reduced and precipitated by uniformly and slowly adding a weak reducing agent, and the concentration of gold, platinum and palladium ions in the platinum and palladium reduced solution can be reduced to 0.001 g/L or below; and a reducing agent is added into the platinum and palladium reduced solution to deeply reduce and precipitate tellurium, the quality of the obtained crude tellurium powder is 95% or above, and the tellurium recovery rate is 90% or above. The links are closely associated and jointly act to realize efficient separation and recovery ofgold and tellurium in the copper separation slag. The method has the advantages of stable process technical indexes, low labor intensity, low production cost and the like.

The invention belongs to the field of heavy metal recovery, and specifically discloses a technology for extracting and separating copper and tellurium from copper and tellurium slag. The technology comprises the following steps that oxidizing and alkaline leaching are conducted to obtain tellurium; the copper and the tellurium are separated out through acid pickling; the tellurium is separated; the copper is electrodeposited; low-acid oxidizing is conducted; dissolving and purifying are conducted; a solution is prepared through dissolving; the tellurium is subjected to eddy electrodepositing; and a tellurium plate is subjected to ingot casting. The technology adopts a titanium-iridium electrode plate, therefore, a solution with the copper can be subjected to electrodepositing directly, and the condition that an electrolyte includes Cl-, NO3- and the like does not need to be worried about, namely electrodeposited copper with the copper content greater than 99.9% can be obtained, the electrodeposited copper can be sold directly, and thus the extracting technological process of the copper is shortened; and traditional tellurium electrodepositing is changed to eddy electrodepositing, the period of electrodepositing can be shortened by 5-8 times, moreover, the electric current efficiency is high, the yield is large, the product (refined tellurium with the tellurium content greater than 99.99%) quality is good, the problem that the period of turnover of capital is long is solved, and coping with the influence brought by market fluctuations to sales is facilitated.

The invention provides an extraction method of salvia miltiorrhiza polysaccharide from tanshinol residues. The salvia miltiorrhiza polysaccharide is prepared by performing extracting, suction filtering, concentrating, dialyzing, alcohol precipitating, suction filtering, vacuum drying, content detecting and other process flows to salvia miltiorrhiza residues which are subjected to alcohol extraction in an ultrasonic-assisted complex enzymes method, wherein the polysaccharide yield is 11.46 percent, and the polysaccharide content is over 80 percent. Residues after industrial production of salvia miltiorrhiza alcohol extract are used as materials in the method, sustainable utilization of resources can be realized, the production cost of salvia miltiorrhiza and the treatment cost of industrial waste can be saved, the extraction steps of the salvia miltiorrhiza polysaccharide can be reduced, resources are saved, and efficiency can be improved. According to the extraction method, the salvia miltiorrhiza polysaccharide is extracted by adopting the ultrasonic-assisted complex enzymes method, the adopted papain has good protein removal effect, and extra protein removal process can be saved. The product prepared by the method has high purity, wherein the polysaccharide content is over 80 percent.

The invention relates to a preparation method of a medicine raw material, and especially relates to an extraction method of streptomycin sulfate. According to the method, the extraction process is simplified, the production efficiency is improved, the invested cost is reduced, the clarity of a filtrate is good, the activated carbon amount is small, the yield is high, the product color grade is good, and the pass rate is high. The method comprises the following steps: A, acidifying a streptomycin sulfate fermentation liquid to the pH of 2.0-4.0, adding a flocculant, stirring, and filtering the liquid with a ceramic membrane; B, adjusting the pH of the filtrate obtained in the step A with sodium hydroxide to 6.0-8.0, and carrying out dynamic adsorption with resin; C, desorbing the saturated resin in the step B with a sulfuric acid aqueous solution; D, desalting and neutralizing the desorption liquid obtained in the step C with a mixed bed to obtain a refined liquid; E, adding the refined liquid obtained in the step D to activated carbon, and filtering; F, concentrating the decolorized liquid obtained in the step E with a nanofiltration membrane; G, removing bacterial endotoxin and pyrogen with an ultrafiltration membrane; and H, spray-drying the product obtained in the step G to obtain the finished product.

The invention belongs to the technical field of cables, and relates to an optical cable of an improved structure. The optical cable comprises loose tubes, insulated core wires, a protection layer and a sheath layer wrapping the protection layer in an extrusion molding mode. One or more optical fibers are arranged in each loose tube, and a conductor is arranged in each insulated core wire. The optical cable is characterized by further comprising a supporting component located in the center of the optical cable. The supporting component is composed of a reinforcing part in the center and a supporting part wrapping the reinforcing part, the outer edge of the supporting part is composed of protruding strips and concave grooves, and the protruding strips and the concave grooves are distributed alternately. Just a part of each loose tube is located in the corresponding groove, just a part of each insulated core wire is located in the corresponding groove, and every two adjacent loose tubes or every two adjacent insulated core wires or the loose tubes and the corresponding adjacent insulated core wires are tangent or spaced. The optical cable has the main advantages of being simpler in structure, smaller in outer diameter, lighter in weight, lower in cost, easier to produce and construct and better in impact resistance and pressure resistance.

The invention provides a refrigerator which comprises a main part, a heating part and a food dropping device, wherein the main part comprises a tank body and a first door body; a first food storing space is defined inside the tank body and the first door body; the heating part is arranged at the main part, and comprises a second food storing space and a heating device; according to the configuration of the heating device, the heating device is controlled to heat food positioned in the second food storing space; a communicating channel is arranged between the second food storing space and the first food storing space; according to the configuration of the food dropping device, a baffle plate mechanism and a push plate mechanism are driven by a motor mechanism to move, so that the communicating channel can be opened by the baffle plate mechanism, food positioned at the entrance of the communicating channel can drop into the second food storing space, and then the food positioned in the second food storing space can be heated; and the baffle plate mechanism and the push plate mechanism are driven by the motor mechanism to reset, so that the communicating channel can be closed by the baffle plate mechanism, and food positioned in the first food storing space can be pushed by the push plate mechanism to the entrance of the communicating channel. By adoption of the refrigerator provided by the invention, the operation of a user to take out food for heating can be reduced, thereby saving the time and energy of the user.

The invention provides a milk tea solid beverage produced by utilizing ultra-micro Pu'er tea powder and a preparation method thereof. Components of the milk tea solid beverage comprise the ultra-micro Pu'er tea powder, milk powder and soluble soybean polysaccharides. According to the milk tea solid beverage, the prepared ultra-micro Pu'er tea powder the milk powder and the soluble soybean polysaccharides are prepared into solid fruit tea under a specific condition. The process technology integrates innovations: tea leaf raw materials are refrigerated and are treated with dry ice, so that the loss of thermo-sensitive nutritional components in tea leaves, caused by a thermal action in an ultra-micro crushing process, is reduced or avoided; the dry ice (CO2) is remained in pore cavities of powder grains of the ultra-micro tea powder and the tea powder is easy to store for a long period; the soluble soybean polysaccharides are subjected to high-pressure homogenization treatment, so that the stability of the solid beverage in a brewing process is facilitated; the difference with a manner of extracting tea soup or tea juice from tea leaves as a raw material is that the ultra-micro tea powder is directly used for developing milk tea and nutrient components in the tea leaves are completely kept; process links are reduced so that the production cost is reduced.

The invention discloses a method for extracting salidroside from rhodiola. The method comprises the following steps: cooling fresh rhizome of rhodiola to 8-12 DEG C, squeezing the fresh rhizome of rhodiola with a spiral juicer, filtering juice obtained by squeezing through sequentially using of a microfiltration membrane and an ultrafiltration membrane, combining filter residues obtained by filtration with residues obtained by squeezing to obtain a residue material; extracting the residue material by using a method of combining ethanol extraction with ultrasonic extraction to obtain extract; filtering the extract, adsorbing filtrate with a macroporous resin, and collecting eluent rich in salidroside; performing centrifugation, separation concentration and three-stage reverse osmosis concentration on the eluent rich in salidroside to obtain extractum, and drying the extractum through a microwave method to obtain salidroside powder. The method for extracting salidroside provided by the invention has advantages of high yield, low cost, low energy consumption and high purity.

The invention provides a fruit tea solid drink prepared from superfine white tea powder and a preparation method of the fruit tea solid drink. The fruit tea solid drink is prepared from components including superfine white tea powder, fruit powder and soluble soybean polysaccharide; solid fruit tea is prepared from the prepared superfine white tea powder, fruit powder and soluble soybean polysaccharide under certain conditions. The process technology integrating innovation is characterized in that tea raw materials are subjected to cold storage and CO2 treatment, so that loss of thermal-sensitive nutrient ingredients in tea due to the thermal action in the superfine crushing process is reduced or avoided; CO2 left in pores of superfine tea powder granules is favorable for long-time storage of tea powder; soluble soybean polysaccharide and high-pressure homogenization treatment are favorable for the stability of the solid drink in the brewing process; different from extracting tea soup or tea juice from tea to serve as a raw material, the method directly utilizes superfine tea powder to develop fruit tea, nutrient ingredients in tea are reserved fully, process links are reduced, and the production cost is reduced.

The invention discloses a method for preparing thorium oxide by using monazite excellent molten slag. The method comprises the following steps: carrying out reselection or magnetic separation treatment on the monazite excellent molten slag, and carrying out filter pressing treatment to obtain corresponding filter residues A; sequentially performing hydrochloric acid dissolution, ammonium bicarbonate precipitation treatment and filter pressing treatment on the filter residues A to obtain corresponding filter residues B, and repeatedly performing hydrochloric acid dissolution, sodium carbonate precipitation and filter pressing treatment on the filter residues B to obtain neutral filtrate C; carrying out suction filtration treatment on the filtrate C to obtain filtrate D, slowly adding hydrochloric acid into the filtrate D, and filtering to obtain thorium-uranium carbonate precipitate; slowly adding hydrochloric acid into the thorium carbonate uranium precipitate until the pH value of the solution is 1, and carrying out counter-current extraction and back extraction to obtain raffinate E; and adding an oxalic acid solution into the raffinate D for treatment to obtain thorium oxalate precipitate, and continuing drying and roasting treatment to obtain thorium oxide powder. According to the method, the aim of avoiding multiple times of extraction for extracting thorium from the monazite excellent molten slag is achieved.

The invention relates to an automatic spraying device which is characterized by comprising a driving device, a conveying chain, a driven wheel and a tensioning device. The driven wheel and the tensioning device are arranged on the conveying chain. The spraying device further comprises a spraying chamber, an air exhausting connector is arranged above the spraying chamber, an air feeder is arranged in the spraying chamber, and a water pump is arranged on one side of the spraying chamber. By means of the technical scheme, products can stably operate in a spraying process by arranging product moulds, the work procedures are reduced, the work efficiency is improved, pollution is reduced, and the production cost is reduced.

The invention relates to a method for writing a file to a plurality of media and a storage system thereof. The method includes loading a parent medium into a first drive to retrieve ID information about the parent medium from metadata, writing a first file part to the parent medium and, at about a same time, saving a file name, attribute information, and attribute information about the first file part to the parent medium as metadata, loading a child medium into a second drive in order to write subsequent file parts and retrieving ID information about the child medium from metadata, writing the subsequent file parts to the child medium and, at about a same time, saving the ID information and attribute information about the subsequent file parts to the parent medium, and additionally saving the ID information about the child medium and the attribute information about the subsequent file parts as metadata in the child medium.

The present invention provides a fruit tea solid drink manufactured by utilizing ultramicro dark brick tea powder and a preparation method thereof. The fruit tea solid drink comprises the following components: ultramicro dark brick tea powder, fruit powder and soluble soybean polysaccharides. The prepared ultramicro dark brick tea powder, fruit powder and soluble soybean polysaccharides are prepared into the solid fruit tea under a specific condition. The processing technology is integrated in innovation, tea leaf raw materials are subjected to a cold storage and a dry ice treatment which reduce or avoid the thermal effects on the loss of heat-sensitive nutrient components in the tea leaves during the ultramirco crushing process; the dry ice remains in the cavities of ultramicro tea powder granules, which is conducive to a long-term storage of the tea powder; the soluble soybean polysaccharide and a high-pressure homogeneous treatment are conducive to the stability of the solid drink in the process of the brewing; and the preparation method is different from the method of extracting tea soup or tea juice from the tea leaves as the raw materials, directly uses the ultramicro tea powder to develop the fruit tea, fully keeps the nutrients in the tea leaves, reduces the processing links, and thus reduces the production costs.

The invention provides milk tea solid drink made with superfine powder of white tea and a making method thereof. The milk tea solid drink is made from superfine powder of white tea, milk powder and soluble soybean polysaccharides; the superfine powder of white tea, milk powder and soluble soybean polysaccharides herein may be made into solid fruit tea under specific conditions. The making method according to the invention has the integrated and innovative advantages that refrigeration and dry ice treatment for raw tea leaves brings down or avoids the loss of thermosensitive nutrients in the tea leaves due to thermal action during superfine crushing process; the residue of dry ice in pores of superfine tea powder particles helps store the superfine tea power for a long period time; soluble soybean polysaccharide and high-pressure homogenizing treatment helps stabilize the solid drink during brewing; different form the direct extraction of liquor or juice from tea leaves as raw material, the making method makes direct use of superfine tea powder and develops into milk tea, the nutrients in the tea leaves are retained completely, the process steps are deceased, and the production cost is lowered accordingly.

The invention relates to an implant implanting guiding device for tooth implanting. The implant implanting guiding device structurally comprises a positioning part and a guiding part. The positioning part comprises a cylindrical positioning pile, a connecting block arranged at the top of the positioning pile and a rectangular insertion bolt arranged on one side of the connecting block, wherein the central axis of the connecting block and the central axis of the positioning pile are in the same straight line, the insertion bolt is in a batten shape, the end face of one side of the insertion bolt is connected to one side face of the connecting block, and the plate face of the insertion bolt is parallel with the central axis of the positioning pile. The guiding part is a cuboid guiding plate capable of sliding along the insertion bolt under external force, a transversely through rectangular insertion hole is formed in the side wall of the guiding plate, the insertion bolt is inserted into the insertion hole, and the size of an opening of the insertion hole is the same as that of the side end face of the insertion bolt. A longitudinally through guiding hole is formed in the top face of the guiding plate, and the central axis of the guiding hole is parallel with the central axis of the positioning pile. The problem that when multiple implants are implanted at a time, the implanting directions of the implants are not parallel is solved, so that good conditions are created for repairing of the dental crown.

The invention provides a milky tea solid beverage prepared from ultra-micro broadleaf holly leaf powder. The milky tea solid beverage contains the ultra-micro broadleaf holly leaf powder, milk powder and soluble soybean polysaccharide. According to the invention, the prepared ultra-micro broadleaf holly leaf powder, milk powder and soluble soybean polysaccharide are prepared into a solid fruit tea under a specific condition. The integrated innovations of the technique according to the invention are as follows: the tea leaf raw material is refrigerated and treated with dry ice, so that the loss of the thermal sensitive nutritional ingredients in the tea leaves caused by the thermodynamic effect in an ultra-micro smashing process can be reduced or avoided; the dry ice is remained in the pores of the ultra-micro broadleaf holly leaf powder grains, so that the tea powder can be stored for a long time; the soluble soybean polysaccharide and the high-pressure homogenizing treatment are beneficial to the stability of the solid beverage in a brewing process; different from the tea soup or tea juice extracted from the tea leaves as raw material, the ultra-micro tea powder is directly used for preparing the milky tea, so that the nutritional ingredients in the tea leaves can be fully maintained, and meanwhile, the extraction process is reduced, so that the production cost is lowered.

The invention discloses a method for extracting laccaic acid. The method comprises the steps of carrying out salt-out treatment, sedimentation treatment and acid treatment on sticklac aqueous alkali sequentially. The method disclosed by the invention is simple in process and convenient to operate; appearance, color, and physical and chemical indicators of the lac red pigment can reach the standard stated by 'the state standard of the People's Republic of China-food additive lac red pigment [GB4571-1996]'; the yield of the laccaic acid and the purity of the lac red pigment are improved; the production period is reduced; the resources are comprehensively utilized, and the problem of environmental pollution in industrial production of lac is fundamentally solved.

The invention relates to the technical field of classification garbage cans, and particularly relates to a software product and a software method for remotely controlling an intelligent classificationgarbage can. The software product comprises an identification module, a storage module, a display module, a selection module, a door body control module, a comparison module and a calculation module,wherein the identification module is used for carrying out remote identification on user information and transmitting the user information to a remote control end, the storage module is used for storing the transmitted user information and the garbage throwing time, the display module is used for displaying the throw garbage categories after the storage is completed, the selection module is usedfor selecting the displayed garbage categories, the door body control module is used for controlling the corresponding garbage can door body to be opened according to the selected garbage categories;the comparison module is used for comparing the thrown garbage and the classified garbage in a database of the remote control end, the calculation module is used for calculating the weight and integral quantity of the thrown garbage and sending the calculation result to the remote control end and a garbage throwing person. According to the software product and the software method for remotely controlling the intelligent classification garbage can, classified recovery of the garbage is automatically realized through remote control, and the awareness of the active classification garbage and thecorrect master of the garbage classification knowledge are improved by means of credits exchange.