82results about How to "Improve dissolution rate" patented technology

The invention discloses porous starch and a preparation method and application thereof, and the preparation method comprises the following steps: (1) starch pretreatment: taking corn starch as a raw material, fully mixing the corn starch with a calcium chloride solution, performing magnetic stirring for shelling and gelatinization treatment, after the shelling and gelatinization are stopped, centrifuging to take precipitate, washing and drying to obtain shelled starch; (2) enzymolysis treatment: preheating the shelled starch and a citric acid-disodium hydrogen phosphate buffer solution in a constant-temperature water bath to obtain a starch suspension; and adding a compound enzyme into the starch suspension for enzymolysis, centrifuging after enzymolysis is stopped, taking precipitate, drying, and crushing to obtain the porous starch. Compared with the prior art, the specific solution volume and oil absorption rate of the porous starch obtained by the method are obviously increased, and the dissolution rate of the porous starch in water is also obviously increased.

The utility model provides an L-aspartic acid purification device. According to the L-aspartic acid purification device, a dissolving tank is fixedly connected to the top of a mounting frame, a filter disc is mounted at the position, close to the middle, of the interior of the dissolving tank through a fixing ring, a plurality of inlet pipes are mounted at the top of the dissolving tank, and a driving structure is mounted at the top of the dissolving tank. A rotating shaft is mounted at the output end of the driving structure, a third mounting ring and two first mounting rings are mounted on the outer surface of the rotating shaft, fixing frames are fixedly connected to the positions, located on the two sides, of the outer surface of the third mounting ring, and grinding rods are fixedly connected to the bottoms of the two fixing frames. According to the L-aspartic acid purification device provided by the utility model, the dissolving speed of raw materials and additives is increased by stirring and grinding in the dissolving tank through the structure, so that the purification efficiency is improved, and the purification purity is favorably improved through multiple purification.

The invention discloses a triazine desulfurizer and a preparation method thereof, and belongs to the technical field of gas purification. The triazine desulfurizer is mainly prepared from the following raw materials in percentage by weight: 20 to 50 weight percent of triazine derivative, 10 to 15 weight percent of sterically hindered amine, 3 to 7 weight percent of stabilizer, 1 to 3 weight percent of synergist, 0.5 to 1.5 weight percent of penetrant, 0.5 to 1.5 weight percent of inhibitor, 1 to 2 weight percent of additive and the balance of water, the preparation method of the triazine derivative comprises the following steps: adding 2-(diphenylphosphino) ethylamine into a toluene solvent, adding a paraformaldehyde aqueous solution in batches under a stirring condition, and reacting for 2-8 hours to obtain the triazine derivative. According to the triazine desulfurizer and the preparation method thereof provided by the invention, the triazine derivative and the sterically hindered amine are taken as a host, and the stabilizer, the synergist, the penetrant, the inhibitor and the assistant are compounded, so that the scaling trend of the triazine desulfurizer in an oil and gas well can be slowed down, the dissolution rate of hydrogen sulfide and the mass transfer rate in a solution are increased, and the desulfurization reaction is promoted; the desulfurization effect and the desulfurization rate are improved, and meanwhile, a very good scale inhibition effect is also achieved.

The invention belongs to the technical field of sustained-release microcapsules, and particularly discloses a ganoderma triterpenoid sustained-release microcapsule and a preparation method thereof.Bovine serum albumin and octenyl succinic anhydride modified starch are selected to prepare a Maillard product through a carbonyl ammonia condensation method to serve as a wall material, and a core material ganoderma triterpenoid is well wrapped in the wall material; the Maillard reaction product and the ganoderma triterpenoid are crosslinked, the structure of the freeze-dried microcapsule is not damaged, and the prepared granular microcapsule is complete in structure, high in embedding rate and good in stability. The sustained release performance of the ganoderma triterpenoids as an embedding material is improved, the water solubility of the ganoderma triterpenoids is improved, the dissolution speed and the intestinal mucosa permeability of the ganoderma triterpenoids are improved through conjugation change of polymer characteristics, the retention time is prolonged through biological adhesion, the oral bioavailability of the ganoderma triterpenoids is improved, and the bioavailability of the ganoderma triterpenoids is improved. The human body absorption and utilization degree of the ganoderma triterpenoids can be obviously improved.

The invention discloses a capsule filling device in the technical field of medical equipment.The capsule filling device comprises a hopper, a filling device, a capsule conveying device and a control system, the capsule conveying device is responsible for conveying empty capsules to a filling position and sending out the filled capsules, and the control system is used for controlling operation of equipment and setting of various parameters; the filling device comprises a filling box, a driving mechanism, a plurality of filling blocks and filling needles, the filling box is connected to the top end of the capsule conveying device and communicated with the hopper, the filling blocks are communicated to the bottom end of the filling box, the filling needles are connected to the bottom ends of the filling blocks, and the lengths of the filling needles are sequentially reduced. The conveying direction of the capsule conveying device is consistent with the length decreasing direction of the multiple filling needles, and the driving mechanism is used for driving the medicine powder in the filling block to reach the capsules through the filling needles.

The invention provides electric heating water washing type tail gas treatment equipment which comprises a gas inlet pipe, a main cavity, a heating rod, a reaction cavity, a cooling cavity, a water tank and a gas-liquid separation cavity, the gas inlet pipe is connected with the main cavity, the main cavity is connected with the reaction cavity, the lower end of the reaction cavity is connected with the cooling cavity, the cooling cavity is connected with the water tank, and the water tank is connected with the heating rod. The water tank is connected with the gas-liquid separation cavity; the gradient of the air inlet pipe is 0.3%-0.5%; the gas-liquid separation cavity comprises a first exhaust cavity, a second exhaust cavity and an acid discharge pipe; the first exhaust cavity is fixedly connected with the second exhaust cavity through a flange; and the second exhaust cavity is fixedly connected with the acid discharge pipe through a flange. The invention further provides an electric heating water washing type tail gas treatment process. The tail gas treatment equipment provided by the invention is simple in structure and corrosion-resistant; according to the electric heating water washing type tail gas treatment process, accelerated corrosion of materials in the water washing system is prevented, the service life of equipment is prolonged, the cost is saved, and the tail gas treatment efficiency is improved.

The invention discloses a lutein-loaded functional hollow salt and a preparation method thereof, the functional hollow salt is prepared by taking a Maillard reaction product of whey protein isolate and maltodextrin as a salt carrier, mixing the salt carrier with lutein-loaded vegetable oil and carrying out spray drying, the weight percentage of sodium chloride in the functional hollow salt is greater than 50% and less than or equal to 85%. The particle size of the hollow salt is 1 / 10 of that of common salt. The reduction of the particle size generally shows that a denser particle structure is formed in the spray drying process, so that the exposure of active ingredients can be reduced, the possibility of oxidation or photolysis is further reduced, and the stability of the ingredients is improved; through comparison of sensory evaluation, it is found that when the same salty taste feeling is achieved, 20-30% of salt can be reduced in the hollow salt; the lutein-loaded hollow salt prepared by the invention is relatively dispersed, has no adhesion phenomenon, and can be stored for a long time under a certain condition.

The invention discloses a filtering device for a water inlet pipeline of a sprinkling machine, which belongs to the technical field of filtering equipment, and is technically characterized by comprising a mounting seat mounted in a water inlet pipe, and a driving mechanism arranged in the mounting seat and penetrating through the mounting seat, one side of the driving mechanism is movably connected with the outer wall of the mounting seat, a clamping mechanism is arranged on the driving mechanism, one end of the clamping mechanism is fixedly connected with the driving mechanism, and the clamping mechanism is distributed around the circumference of the driving mechanism; one end of the fixing frame is connected with the clamping mechanism, the other end of the fixing frame is connected with a filter screen, the filter screen is arranged in a water inlet pipe, and the water-soluble fertilizer has the advantages that the water-soluble fertilizer can be fully dissolved in water, the fusion time of the fertilizer and the water is prolonged, the dissolution rate of the fertilizer is increased, and the fertilizer effect of the water-soluble fertilizer is improved.

The invention relates to the technical field of agricultural fertilizers, in particular to an instant potassium sulfate fertilizer and a preparation method thereof based on crystallization regulation, and the instant potassium sulfate fertilizer comprises the following components in parts by mass: 100-200 parts of potassium sulfate, 5-10 parts of a cosolvent, 0.3-0.5 part of a water softener and 0.3-0.5 part of a dispersant. Wherein the cosolvent is hydroxypropyl-beta-cyclodextrin or ammonium chloride, the water softener is any one of disodium ethylene diamine tetraacetate and sodium tripolyphosphate, and the dispersing agent is any one of sodium hexametaphosphate and tetrasodium pyrophosphate. According to the invention, the cosolvent is added in potassium sulfate, and in the prior art, potassium sulfate is generally irrigated and fertilized in a water and fertilizer manner, and a small amount of solid fertilizer is used because the dissolving speed and the dissolving rate of solid potassium sulfate are low, so that the fertility of the solid fertilizer is difficult to absorb by a root system after the solid fertilizer is fertilized; and after the hydroxypropyl-beta-cyclodextrin or ammonium chloride is added, the dissolution rate of the solid in the soil is increased, and the application requirement of the instant potassium sulfate fertilizer can be met by using the instant potassium sulfate fertilizer disclosed by the invention.

The utility model discloses a mineralized water layering filtering device which comprises a shell, a water inlet is formed in the top of the shell, and a water outlet is formed in the bottom of the shell; the filter cartridge is arranged in the assembly cavity of the shell from one side of the shell in a drawing manner, a first filter screen hole group of the filter cartridge is enabled to directly face the water inlet collection port, and a second filter screen hole group is arranged at the bottom of the filter cartridge; an elastic metal slender rod is fixedly arranged on each of the two sides of the mineralization barrel, the mineralization barrel is connected with the filtering barrel through the elastic metal slender rods on the two sides, the mineralization barrel is in a swinging state under the washing of water flow gravity, and mineral particles are arranged in the mineralization barrel. According to the utility model, filtration and mineralization are integrated, the device is convenient to disassemble and assemble, mineralizer particles are convenient to replace, the filter cartridge is convenient to clean, and the mineralization cartridge can be impacted by water flow to vibrate, so that filtered water can be in better contact with the mineralizer particles, and more mineral substances are obtained.

The application provides a regeneration method of halogenated nitrobenzene continuous hydrogenation catalyst, and relates to the technical field of fixed bed halogenated nitrobenzene hydrogenation. The regeneration method mainly comprises the following steps: using alcohol, alkali, petroleum ether and ethyl acetate to preliminarily clean the bed layer, removing azo compounds and other pollutants on the surface of the catalyst by using the special properties of ionic liquids, and then completing the regeneration of the catalyst through the steps of pickling, precious metal solution treatment and drying. The application overcomes the defects of the prior art, has the advantages of simple operation, mild conditions and low cost, realizes the in-situ removal of surface impurities such as reaction intermediates and azo compounds on the catalyst surface without damaging the structure of the catalyst and disassembling the catalyst, further supplements the lost metal active components, and can effectively restore the catalyst activity.

The invention provides a preparation method of a water-soluble film, which comprises the following steps: S1, blending polyvinyl alcohol and isobutyric acid, adding into a solvent, and heating to react under the catalysis of concentrated sulfuric acid to generate an ester system; s2, adding polyethylene glycol and a surfactant into the ester system, and uniformly stirring to obtain a blend; s3, adding an auxiliary agent into the saturated sodium sulfate solution to obtain a coagulating bath solution, and spraying the blend into the coagulating bath solution in a high-pressure nitrogen spinning manner by adopting a wet spinning technology; and S4, after the filaments are separated out, drawing with external force, washing and drying to obtain the water-soluble film. Wherein the mass ratio of the polyvinyl alcohol to the isobutyric acid is 1: (0.01-0.05). The water-soluble film disclosed by the invention can be dissolved in water at a stable speed, so that the problems of large fluctuation and mutation of the dissolution speed are avoided, meanwhile, the coated content is endowed with a slow release function, the problems in the prior art are solved, and the water-soluble film has a good application prospect.

The utility model belongs to the technical field of waste gas deodorization, and discloses a deodorization system which comprises a water purifier, an electrolytic generator, a small molecule generator, a micro-nano generation device and an ozone generator. The water purifier is provided with a first inlet and a first outlet; the first inlet is communicated with a water source through a water inlet pipe; the electrolyte generator is provided with a second inlet and a second outlet, and the second inlet is communicated with the first outlet; the small molecule generator is provided with a third inlet and a third outlet, and the third inlet is communicated with the second outlet; the micro-nano generation device is provided with a fourth inlet, a fourth outlet and an air inlet, and the fourth inlet is communicated with the third outlet; the ozone generator is provided with a gas outlet which is communicated with the gas inlet; the spraying device is provided with a sixth inlet and a sixth outlet, and the sixth inlet is communicated with the fourth outlet. According to the utility model, the ozone generator and the micro-nano generation device are combined, so that the generation amount of hydroxyl free radicals is increased, and the waste gas deodorization effect is improved.

This invention relates to the field of traditional Chinese medicine processing, and discloses a compound polysaccharide immune-enhancing composition and its preparation method and application. The composition comprises raw materials made from refined Polygonatum sibiricum polysaccharide, refined Dendrobium officinale polysaccharide, refined Lycium barbarum polysaccharide, and mogroside. The polysaccharides are mixed, and mogroside is added in batches with stirring and homogenization. The mixture is then dried under low temperature vacuum and granulated to produce the finished product. Mogroside molecules penetrate into the polysaccharide aggregates and reconstruct hydrogen bonds, establishing steric hindrance and rearranging charge distribution, inhibiting secondary aggregation of polysaccharides during rehydration and improving dissolution rate. Combined with step-by-step feeding and controlled moisture content, the polysaccharide conformation is solidified, preventing moisture absorption and clumping during storage and maintaining the flowability of the finished product. Purification of the polysaccharides reduces steric hindrance interference from impurities such as proteins and lignin, allowing active binding sites to be fully exposed and bind to corresponding receptors on the surface of different immune cells, thus initiating signal transduction pathways.

The invention relates to the field of paint spraying, in particular to a curved surface paint spraying boundary technology which comprises the following steps that S1, a first color layer is sprayed to a curved surface structure; s2, removing the first color layer on the second side of the color block boundary; s3, spraying a release interlayer on the curved surface structure, wherein the release interlayer is sprayed on the second side of the color block boundary and the surface of the first color layer; s4, removing the release interlayer on the second side of the color block boundary; s5, spraying a second color layer on the curved surface structure, wherein the second color layer is sprayed on the second side of the color block boundary and the surface of the release interlayer; and S6, removing the release interlayer so as to remove the second color layer sprayed on the surface of the release interlayer, and respectively forming a first color block and a second color block on the first side and the second side of the color block boundary. The multi-color paint spraying device has the effect of conveniently carrying out boundary multi-color paint spraying on the curved surface structure.

The invention discloses a preparation method of vitamin A acetate water-soluble powder, which comprises the following specific operation processes: adding vitamin A acetate, an antioxidant, an inclusion material and an anti-caking agent into a ball-milling tank according to a feeding ratio, adding zirconium oxide beads as a ball-milling medium, sealing, placing the ball-milling tank on a roller ball mill, and carrying out ball milling to obtain the vitamin A acetate water-soluble powder. And carrying out ball milling to obtain the vitamin A acetate water-soluble powder. According to the present invention, the drug and the cyclodextrin are prepared into the inclusion compound through the mechanical force effect, such that the uniform dispersion and the encapsulation efficiency of the system are significantly improved, the stability, the solubility, the dissolution rate and the bioavailability of the vitamin A acetate are improved, and the preparation process has characteristics of short time consumption, no solvent, low drug loss and low production cost.

The utility model relates to a clothes processing device. The clothes processing device comprises a machine shell; the cylinder assembly is arranged in the machine shell, and a washing cavity is formed in the cylinder assembly. The water inlet box is arranged on the machine shell. A first water inlet is formed in the water inlet box; the first water inlet can be communicated with an external water source; the detergent box is arranged in the water inlet box in a push-pull manner; a mixing cavity is formed in the detergent box; a siphon opening is formed in the mixing cavity and is communicated with the washing cavity; wherein the impeller is rotatably arranged in the mixing cavity; the siphon ports are arranged on the peripheral side of the impeller at intervals; when the detergent box is pushed into the water inlet box, the first water inlet can be communicated with the mixing cavity and is arranged towards the impeller; an external water source can impact the impeller through the first water inlet so as to drive the impeller to rotate and stir liquid in the mixing cavity; and the stirred liquid can flow into the washing cavity through the siphon port. According to the clothes processing equipment, the dissolution rate and the dissolution rate of the detergent can be increased, and the washing effect of the clothes processing equipment is improved.

The invention relates to the technical field of photosensitive dry film production, in particular to automatic recovery equipment for a photosensitive dry film, which comprises a box body, a mounting frame, an unwinding roller, a PE layer winding roller and a photosensitive glue layer winding roller, the box body is fixedly connected with a mounting frame; an unwinding roller is mounted on the mounting frame; a PE layer winding roller is mounted on the mounting frame; and a photosensitive adhesive layer winding roller is mounted on the mounting frame. According to the invention, the time of soaking and dissolving the PET film in the cleaning solution is prolonged by prolonging the moving distance of the PET film, so that the cleaning effect on the residual photoresist on the surface of the PET film is improved; moreover, every time the PET film is soaked for a period of time, the PET film is subjected to high-pressure washing once, so that the dissolved photo-sensitive resist on the surface layer of the PET film is quickly separated from the PET film, the photo-sensitive resist on the lower layer of the PET film is exposed, and the photo-sensitive resist on the lower layer can be fully dissolved by a cleaning solution in the box body in the subsequent soaking process; and the cleaning effect on the residual photosensitive resist on the surface of the PET film is further improved.

The invention relates to the technical field of rice compositions, and discloses a composition for controlling rice sheath blight disease, which is prepared from the following raw materials in parts by weight: 5 to 15 parts of thifluzamide, 3 to 10 parts of epoxiconazole, 0.01 to 0.1 part of pimacol, 1.5 to 5 parts of suspending aid, 2 to 5 parts of dispersing aid, 8 to 15 parts of nutrition carrier and settling aid, 10 to 20 parts of filling agent and 0.1 to 0.5 part of anti-blocking agent. Two bactericides including thifluzamide and epoxiconazole are compounded with a sodium naphthalene acetate plant growth regulator, the thifluzamide prevents growth and reproduction of hyphae by inhibiting respiratory action of germs, and the epoxiconazole destroys cell membrane structures of the germs to kill the germs, has systemic property and is also effective for the germs invading into tissues; meanwhile, the sodium naphthalene acetate promotes the growth of rice roots, so that the rice sheath blight disease can be effectively controlled, the growth of the rice can be promoted on the whole, the stress resistance of the rice is improved, and the dual effects of preventing and treating diseases and promoting growth are achieved.

The invention relates to the field of precious metal analysis, and discloses a method for analyzing the content of precious metal in a catalyst. The invention relates to a method for analyzing the content of noble metals in a catalyst, which comprises the following steps: (1) carrying out aerobic firing on the catalyst at 450-650 DEG C to obtain a firing product; (2) grinding the firing product, so that the average particle size of the firing product is not greater than 120 microns; (3) dissolving the calcined product ground in the step (2) in an acid for digestion, and then determining the content of the noble metal, the acid being any one of inorganic acids; wherein the catalyst comprises a carrier and a noble metal, the carrier is alumina, and the noble metal is platinum and / or palladium. The method has the advantages of being high in accuracy, simple and rapid in analysis operation process and friendly to environment and measuring equipment.

The invention relates to the field of solid waste resource utilization, in particular to a coal-based solid waste treatment and high-value utilization method. The coal-based solid waste treatment and high-value utilization method comprises the following steps: carrying out thermal oxidation on lignite to obtain oxidized lignite; mixing the oxidized lignite with a chemical activator dispersion liquid, and carrying out a solvothermal reaction to obtain a turbid liquid; carrying out solid-liquid separation on the turbid liquid to obtain filter residues and filtrate; calcining the filter residues to obtain a medium element compound fertilizer; and adding an acidic solution into the filtrate to adjust the pH to be acidic, thereby obtaining the humic acid. According to the method, the humic acid is prepared, meanwhile, the medium element compound fertilizer is prepared from the residues, the process route is improved, the economic benefit is greatly improved, and high additional value and multi-path resource utilization of the lignite solid waste are achieved.

The utility model aims to provide suspension high-shear dispersion preparation mixing equipment which comprises a dispersion machine, a stirring disc is arranged at the bottom of a main shaft, and the stirring disc comprises a second dispersion disc positioned at the bottom end of the main shaft, and a middle guide paddle and a first dispersion disc which are positioned above the second dispersion disc. The utility model relates to the technical field of mixing equipment, and adopts a multi-stirring impeller which combines a first dispersion disc and a second dispersion disc and is provided with a middle guide paddle between the first dispersion disc and the second dispersion disc, so that the stirring mode of a traditional single rectangular tooth dispersion impeller is changed; and the solution is rolled to the upper part by the second dispersion disc to be in contact with the first dispersion disc for secondary shearing. After secondary shearing, the particle size can be further refined, and the distribution is more uniform, so that the dissolution speed and bioavailability of the medicine are improved, and the curative effect of the medicine is ensured. Compared with the traditional equipment that the single-time stirring time is more than 15 minutes, the equipment disclosed by the utility model can obviously reduce the single-time stirring time.

The present invention relates to the field of wastewater treatment, and in particular to a hydrogen peroxide wastewater treatment device combining aeration and sludge, comprising a tank body, wherein a stirring mechanism is arranged in the tank body, wherein the stirring mechanism comprises a rotating shaft, and a lower stirring rod and an upper stirring rod arranged parallel to each other along the axial direction thereof, and a counter-aeration component is arranged between the lower stirring rod and the upper stirring rod, wherein the counter-aeration component comprises upper aeration nozzles distributed at equal intervals along the axial direction of the lower stirring rod, and lower aeration nozzles distributed at equal intervals along the axial direction of the upper stirring rod, and an anti-blocking structure is arranged between the upper aeration nozzle and the lower aeration nozzle. The present invention ensures uniform mixing of wastewater and sludge through synchronous movement of the upper stirring rod and the lower stirring rod, and simultaneously utilizes the lower aeration nozzle and the upper aeration nozzle to inject oxygen-rich gas into the water body, thereby facilitating contact between suspended solids and bubbles and reducing accumulation of solid particles in the aeration gap.

This invention belongs to the field of medicinal chemistry, specifically relating to a crystalline form of lasmidetane-1-hydroxy-2-naphthoic acid and its preparation method. The crystalline form exhibits characteristic peaks at least at 10.24±0.2°, 14.65±0.2°, 21.53±0.2°, 21.98±0.2°, 23.70±0.2°, 26.44±0.2°, and 27.09±0.2° in its 2θ X-ray diffraction pattern under Cu-Kα radiation. The crystalline form consists of two molecules of lasmidetane and two molecules of 1-hydroxy-2-naphthoic acid as its basic unit. This crystalline form improves the solubility of lasmidetane, solving the problem of limited formulation development due to its low solubility. It is suitable for the development of various formulations, providing a foundation for improving drug efficacy and patient compliance.

The utility model relates to the technical field of landscaping engineering, and provides a landscaping engineering dust raising prevention device which comprises a vehicle body, a water storage barrel is fixedly installed on the right side of the top of the vehicle body, a first rotating rod is movably embedded in the center of the interior of the water storage barrel, and a motor is fixedly installed on the top of the first rotating rod. The outer surface of the bottom of the first rotating rod is movably embedded in the vehicle body, a first bevel gear is fixedly installed at the bottom of the first rotating rod, and a second rotating rod is movably embedded in the bottom of the vehicle body. According to the device, the automatic reciprocating lifting motion of the spray head is realized, so that the spraying range and the coverage area of the spray head are increased to adapt to different heights and distances, a dust prevention and control blank area is prevented, the dust concentration in a construction range is effectively reduced, and the dust prevention effect is improved.

The utility model belongs to the technical field of ferrous sulfate, and particularly discloses a ferrous sulfate dissolving device which comprises a dissolving tank, a bottom sleeve is rotatably arranged in the dissolving tank, a polished rod is fixedly arranged in the bottom sleeve, a stirring shaft is vertically and movably connected to the surface of the polished rod in a sleeved mode, and a limiting plate is fixedly installed at the bottom of the stirring shaft. A sliding groove corresponding to the limiting plate is formed in the inner wall of the bottom sleeve, a spring is arranged on the surface of the polished rod and located below the limiting plate, a guide disc is fixedly installed on the inner wall of the dissolving tank and arranged to be inclined, a cross rod is fixedly installed at the top of the stirring shaft, and the cross rod is fixedly connected with the stirring shaft. Under the action of structures such as the guide disc, the cross rod and the spring, the cross rod can move up and down along with the horizontal height of the guide disc, so that the stirring shaft and the stirring blades can also move up and down along with rotation, the dissolving speed of ferrous sulfate, hydrogen peroxide and liquid caustic soda agents can be further increased, and the working efficiency is improved.

The invention discloses extraction equipment for crude iodine in brine evaporation mother liquor, and relates to the technical field of extraction of crude iodine in brine evaporation mother liquor, the extraction equipment comprises an extraction box, and further comprises a feeding mechanism, a discharge mechanism and a discharge mechanism, the stirring mechanism is mounted in the extraction box and is used for stirring an internal solution; the iodine mud fine treatment mechanism is installed, iodine mud is scraped into the discharging hole in an extruding and rotating mode, the iodine mud is made to form the specified size, then metal bristles of the brushing mechanism are used for further smashing the emerging iodine mud into smaller particles, a solution makes full contact with the iodine mud particles, the dissolution speed and the dissolution efficiency are improved, and the iodine mud can be completely dissolved. The conditions of long dissolution time and low efficiency caused by difficult permeation of large-particle iodine mud are avoided, the dissolution treatment efficiency is greatly improved, the iodine mud fine treatment mechanism and the brushing mechanism are switched into an anti-corrosion treatment working state through the lifting mechanism, and corrosion of a solution to parts is reduced.

This invention relates to the field of precious metal recycling technology and provides a method for recovering rhodium from rhodium-containing waste residue. The method includes the following steps: (1) roasting the rhodium-containing waste residue to obtain rhodium ash; (2) reacting the rhodium ash with a treatment agent, followed by filtration and drying, wherein the treatment agent is selected from at least one of alcohol and N,N-dimethylformamide; (3) subjecting the treated rhodium ash obtained in step (2) to a hydrogen reduction reaction under a hydrogen-containing gas atmosphere to obtain reduced rhodium ash; and (4) dissolving the reduced rhodium ash with an acid solution. The method of this invention is simple to operate, highly efficient, with minimal rhodium loss, and a yield greater than 96.9%.

The present invention provides a feed microbial inoculant fermentation tank, which relates to the technical field of fermentation, and comprises: a main body component, wherein when foam appears during the fermentation process, a sensing module is triggered, and a motor controls an active component to rotate, and while the active component rotates, two groups of control screws are driven to rotate through a driven component, so that the movable component rises on a tank body, thereby increasing the internal space of the tank body, thereby preventing microorganisms from overflowing from the upper end of the tank body or other pipelines on the top with foam, and solving the problem that foam will appear in the fermentation process of the existing fermentation tank, which has an adverse effect on production. When foam is generated, part of the space in the tank will be occupied by the foam, thereby reducing the filling amount of the inoculant, and often due to untimely defoaming, the height of the foam will continue to rise, and a bubble liquid will appear, which will cause the product and the microorganisms to overflow from the tank body with the foam.

The present invention belongs to the technical field of ammonia water preparation, and specifically relates to an ammonia water preparation device, which is provided with an ammonia mixing chamber, the ammonia mixing chamber is connected with an ammonia pumping mechanism and a water pumping mechanism, the ammonia pumping mechanism and the water pumping mechanism are both arranged on a casing, the ammonia mixing chamber is arranged on the casing, the ammonia plunger and the water plunger form a reciprocating motion relative to the ammonia pump chamber and the water pump chamber by means of a driving device, the ammonia pump chamber is connected with an ammonia supply pipeline, the water pump chamber is connected with a water supply pipeline, the ammonia pump chamber is connected with the ammonia mixing chamber by means of the ammonia pumping pipeline, and the water pump chamber is connected with the ammonia mixing chamber by means of the water pumping pipeline. The present invention adopts that the ammonia pumping mechanism, the water pumping mechanism, and the ammonia mixing chamber are also arranged on the casing, so as to improve the integration of the equipment and reduce the types of equipment. Water and ammonia are dissolved under a certain pressure, which helps to improve the dissolution rate, reduce the number of cycles of ammonia dissolution, and reduce production costs.