214results about "Dissolving methods" patented technology

The invention discloses a preparation device and a preparation method for an over-saturated hydrogen solution. The preparation device comprises a hydrogen generator, a gas-liquid mixer and a water tank, wherein the hydrogen generator is used for generating a hydrogen source; the gas-liquid mixer is connected with the hydrogen generator; a gas-liquid mixer water absorption flowing branch path and a gas-liquid mixer water drainage flowing branch path are respectively connected between the gas-liquid mixer and the water tank; a gas-liquid mixing flowing loop is formed by the gas-liquid mixer water absorption flowing branch path and a gas-liquid mixer water drainage flowing branch path. By adoption of a method for fully mixing gas with water in a micronano-level diameter gas bubbles; gas-liquid mixed fluid cyclically runs in the gas-liquid mixing flowing loop to quickly form the over-saturated hydrogen solution within two minutes in the water tank, and the mass concentration of hydrogen of the hydrogen solution is not smaller than 2.5ppm; either the prepared hydrogen concentration or the preparation time is higher than that in the prior art, and the preparation efficiency is high.

The invention discloses an automatic medicine dispensing device, which comprises a control module, an input module, an interaction module, a solvent module, a peristaltic pump module, a waste bin module and a lifting window component, wherein the input module, the interaction module, the solvent module and the peristaltic pump module are arranged in a medicine dispensing cavity located in the upper part of the automatic medicine dispensing device; the waste bin module and the lifting window component are arranged in a supporting cavity located below the medicine dispensing cavity. Through the automatic medicine dispensing cavity provided by the invention, the liquid injection on a penicillin bottle, the dissolution of a medication in the penicillin bottle and the suction of a liquid medicine can be automatically realized; after the medicine dispensation is completed, waste medicine bottle and needling instrument are discarded into the waste bin; therefore, the whole medicine dispensing process is automatically completed with high efficiency; meanwhile, the pollution of the liquid medicine, which is easily brought during manual operation, can be avoided; the safety is improved; a medical worker is also prevented from injuries from edge tools of the medication and the broken medicine bottle or a needle head and the like during the medicine dispensation.

The invention discloses a manufacturing method and a manufacturing system of a urea solution for a vehicle. The manufacturing method comprises the following steps: S1, manufacture of high-purity water, S2, preparation of the urea solution for the vehicle, and S3, filtration and purification of the urea solution for the vehicle; in the manufacturing process, quality controlling and data monitoring are conducted in real time through a control unit and each data collecting sensor, and data are transmitted to a mobile terminal through a cloud platform. The manufacturing system comprises a control unit, the cloud platform and the mobile terminal, and further comprises a water supply unit and a feeding unit as well as a urea solution manufacturing unit and a filtration and purification unit; the control unit is used for control of the whole system, data collection, data analysis and automatic control. In conclusion, according to the manufacturing method and manufacturing system of the urea solution for the vehicle, which are disclosed by the invention, the urea solution for the vehicle, which has qualified urea solubility, can be automatically manufactured; the manual operation strength and frequency are reduced; the manufacture of the urea solution for the vehicle is automatically completed; the mobile terminal can be supervised and looked over in real time through the cloud platform.

The invention provides a dissolving device for a sewage treating agent, which belongs to the technical field of water treatment and can be used for solving the problem that existing sewage treating agents cannot be adequately dissolved. The dissolving device comprises a stirring cylinder, wherein a water outlet is formed in the bottom of the stirring cylinder, stirring blades are arranged in the stirring cylinder, a limiting ring is fixed at the top of the stirring cylinder, and a motor capable of driving the stirring blades to rotate is arranged on the limiting ring; a plurality of solid cone-shaped cone heads are arranged in the stirring cylinder, cylindrical connecting parts are arranged on the bottom walls of the cone heads, connecting holes are formed in the inner side wall of the stirring cylinder, the number of the connecting holes is same as that of the connecting parts, and the positions of the connecting holes corresponds to the connecting parts one by one, the connecting parts are inserted into the connecting holes, sealing rings are arranged between the connecting parts and the inner walls of the connecting holes, positioning grooves are formed in the end surfaces of the connecting parts, magnetic pillars are inserted and fixed in the positioning grooves, the outer ends of the magnetic pillars stretch out of the positioning grooves, and the outer end surfaces of the magnetic pillars cling to the bottom walls of the connecting holes; and the stirring cylinder is made of stainless steel materials. The dissolving device has the advantage of being capable of adequately dissolving the sewage treating agent.

An exemplary embodiment of the present invention provides a urea water manufacturing device which can reduce the time for producing urea water by forming a vibrating atmosphere using an ultrasonic wave generator when stirring urea and pure water supplied inside a stirring tank, and can produce urea water with high purity by real-time feedback control of specific gravity of urea water, and a method thereof. The urea water manufacturing device according to an exemplary embodiment of the present invention includes a pure water supply unit, a urea supply unit, a stirring unit, a specific gravity detection unit, a control unit, and a urea water discharge unit.

The invention discloses an efficient activating and dissolving method of rhodium powder. The rhodium powder and a hydrochloric acid solution are mixed in a certain ratio, the mixed solution is put ina reactor, a certain amount of activator gold powder is introduced, temperature is controlled at 60-112 DEG C, Cl2 is introduced and subjected to a reaction for 1-3 h, Cl2 is recycled in a dissolvingprocess, heat preservation is performed at a certain temperature for 10-90 min after Cl2 introduction is ended, the mixed solution is cooled to normal temperature and then is filtered, and a chlororhodic acid solution with purity higher than 99.95% and Rh content higher than 15% is obtained. The dissolution rate of rhodium is higher than 96%, Cl2 is recycled in the dissolving process, and the method has the characteristics that environmental protection property is good, the technological process is short, dissolving efficiency and dissolution rate are high, no new impurities are introduced basically, the obtained chlororhodic acid solution has high Rh content and high purity and the production cost is low.

Method of robot control is disclosed that includes the steps of: providing a user interface for introducing data indicative of a drug to be subjected to a reconstitution process; accessing an internal data base for outputting, for a selected drug, a list of primitive movements P1, P2, . . . Pi, . . . Pn to be used in the reconstructing process; operating the robot for executing sequentially the primitives and moving a container according to the instructions of the primitives; measuring, during the movement of the container under robot action, physical positions in the space and dynamic parameters of the container creating a list of registered data; comparing the measured positions in the space and the dynamic parameter with the corresponding ones of the primitive movements for selecting a list of eligible primitives if a sufficient approximation level is reached; elaborating selected eligible primitives together to generate instructions for the robot allowing a complex movement encompassing the simple movements; and using the robot for shaking the container according to the complex movement.

The invention discloses a method for uniforming a solution and a solution tank.The method mainly comprises the steps that the solution strikes a liquid baffling device arranged in a vessel to enable the solution to baffle to strike the bottom of the container, so that a vertical vortex is formed in the vessel, the solution mutually collides and agitates to cause strong turbulent flow, and then rapid mixing is achieved.The solution tank is mainly composed of an upper columnar shell part (100) and a lower conical shell part (200), a baffled liquid distributor (5) is arranged in the solution tank and formed by buckling two bamboo-hat-shaped devices (12 and 13), and the lower bamboo-hat-shaped device (13) is fixed to the inner side of the fan face of the lower bamboo-hat-shaped device (12) along the edge; the lower portion of the conical shell part (200) is provided with a liquid outlet pipe (8), and a circulating liquid inlet pipe (7) which extends to the position under the baffled liquid distributor (5) and is concentric with the liquid outlet pipe (8) is arranged in the liquid outlet pipe (8).

An ozone water production device (1) includes: flow rate controllers (4, 5) that each control a flow rate of gas which is a raw material; a flow rate meter (12) that measures a flow rate of water which is a raw material; a booster pump (13) that controls pressure of the water; an ozone water generating unit (8) that generates ozone water by mixing ozone gas and the water; and a pressure sensor (17) that measures pressure of the ozone water which is to be supplied to a use point (19). The booster pump (13) controls the pressure of the water such that the pressure of the ozone water measured by the pressure sensor (17) is constant. The flow rate controllers (4, 5) each control the flow rate of the gas in accordance with the flow rate of the water measured by the flow rate meter (12).

Provided is a gas dissolving device capable of dissolving gas in a liquid in a supersaturated state and maintaining such a saturated state in a stable manner, and being easily attached to a water server or the like.

The gas dissolving device generates hydrogen water by dissolving hydrogen in water, and discharges the hydrogen water from an outlet. The gas dissolving device includes a dissolving chamber that stores under pressure generated hydrogen water introduced therein, and pressure reduction and transfer means for preventing pressure variation in a tube-shaped passage that connects the dissolving tank and the outlet due to an action of discharging the hydrogen water from the outlet, and for forming a laminar flow.

The present invention discloses a solution configuration method used for vapor pressure measurement. The method comprises the following steps of (1) vacuumizing, sealing and weighing a solute container, and recording the mass as m1; (2) adding n predetermined solutes in the solute container, and recording the total mass as m2; (3) injecting a predetermined amount of solvent in a solvent container, and then injecting a protection liquid; (4) heating the solvent in the solvent container to reduce the air solubility; (5) connecting the solute container and the solvent container via a connecting pipe; (6) vacuumizing the interior of the connecting pipe; (7) injecting the solvent processed in the step (4) from the bottom of the solvent container in the solute container in the step (2) via the connecting pipe; (8) weighing the solute container processed in the step (7), recording the total mass as m3, and calculating an accurate concentration, thereby finishing the configuration of the solution. The present invention also discloses a vapor pressure measurement method. According to the methods of the present invention, the interference of the foreign gases when the vapor pressure is measured is small, and a measurement result is more accurate.

The invention discloses an ultrasonic accelerated dissolution stirring device, and aims at providing an ultrasonic accelerated dissolution stirring device which is good in stirring uniformity and high in stirring efficiency, can accelerate sample dissolution, and can further improve the accuracy of a detection result. The ultrasonic accelerated dissolution stirring device comprises a stirring ultrasonic dissolution device, wherein the stirring ultrasonic dissolution device comprises a base, vertical guide columns arranged on the base, a main mounting flat plate ascending and descending along the vertical guide columns, vertical guide rods arranged on the lower surface of the main mounting flat plate, a floating mounting flat plate ascending and descending along the vertical guide rod, a first ultrasonic transducer arranged on the floating mounting flat plate, a vertical vibrating rod connected with the ultrasonic transducer, lower agitating flat plates arranged at the lower end of the vertical vibrating rod, rotating discs rotationally arranged at the upper part of the vertical vibrating rod by bearings, and vertical stirring rods arranged on the rotating discs.

The invention discloses a preparation method and device of a urea solution. The method includes: determining the quantity of the to-be-prepared urea solution; determining target pure water quantity and urea particle quantity corresponding to the quantity of the to-be-prepared urea solution; sucking urea particles corresponding to the quantity of the to-be-prepared urea solution, and adding into pure water corresponding to the target pure water quantity; stirring the urea particles and the pure water to obtain the urea solution. By the method, the technical problems that frequent preparation errors occur due to manual urea solution preparation is adopted in the prior art, and the generation efficiency of the urea solution is affected are solved.

The invention relates to a device for making a solution. A maker for a saturated solution comprises a container, wherein the container is of a transparent structure and can be further detachably connected with a container cover; a filter plate is hermetically connected into the container; the container cover is provided with a motor; a rotor stretches into the container; a driving shaft is arranged in the container; the driving shaft is vertically arranged and is further connected with the rotor together; a separation plate which can be upwards floated by the saturated solution in a solution preparation chamber is hermetically connected into the container in a liftable manner; the separation plate divides the container into a water storage chamber and the solution preparation chamber; the separation plate is provided with via holes; an osmotic membrane through which only water can penetrate covers the separation plate; a stator is provided with a plurality of water inlet flow passages; the driving shaft is connected with an assistance vane located in the solution preparation chamber; a saturated solution storage chamber is defined between the filtration plate and the container; the solution storage chamber is provided with a solution outlet. The invention provides the maker for the saturated solution, which is used for preparing the solution in a closed manner; the problems that an existing container is inconvenient when making the solution, a solute particle is easily mixed in the solution, and the pollution is easily generated are solved.

The invention discloses an efficient stirring device for an organic compound biofertilizer and a use method and relates to a stirring device. A rotating motor (34) is arranged in the middle of a bottom plate (35); a rotating rod (26) is arranged at the upper end of the rotating motor; a plurality of vertical plates (32) are arranged on the upper surface of the bottom plate at the bottom of the rotating rod (26); uprights (33) matched with a bucket body (5) are arranged at the upper parts of the outer ends of the vertical plates; a plurality of side rods (30) are sequentially arranged on the inner side faces of the uprights; and motors (29) are arranged at the front ends of the side rods (30) on the inner side faces of the uprights (33). The device can achieve quick and convenient fertilizer stirring for people, greatly improves stirring efficiency of the fertilizer, allows the fertilizer to be stirred more sufficiently and completely, avoids an non-ideal crop fertilization effect caused by nonuniform stirring of the fertilizer and provides powerful guarantee for healthy growth of crops.

A system and process are disclosed for dissolution of solids and “difficult-to-dissolve” solids. A solid sample may be ablated in an ablation device to generate nanoscale particles. Nanoparticles may then swept into a coupled plasma device operating at atmospheric pressure where the solid nanoparticles are atomized. The plasma exhaust may be delivered directly into an aqueous fluid to form a solution containing the atomized and dissolved solids. The composition of the resulting solution reflects the composition of the original solid sample.

The invention discloses an oral megestrol acetate nano-suspension and a preparation method thereof. The oral megestrol acetate nano-suspension contains effective amounts of megestrol acetate, a wetting agent, a suspending aid, a deflocculating agent, a pH adjusting agent, a flavoring, a bacteriostatic agent, a perfume and purified water. The preparation method comprises the following steps: respectively dissolving above materials in a part of water, mixing the obtained solutions to prepare an initial suspension, performing high-speed shearing to prepare a crude suspension, and performing micro-jet high-pressure homogenization treatment to prepare the oral megestrol acetate suspension. The oral megestrol acetate nano-suspension has the characteristics of small particle size of solid particles, high bioavailability, uniformity in distribution, stable system and good mouthfeel, the average particle size is less than 500 nm, and the dispersiveness is small; and the preparation method of the product has the advantages of simple process and easiness in realization of industrial production.

The invention relates to a method for purifying a compound through ultrasonic crystal precipitation. According to the method, after completing an organic synthesis reaction, a dissolved amount of a first organic solvent is added to the obtained crude product, and ultrasonic dissolving is performed; a second organic solvent is added after completely dissolving, and ultrasonic dissolving is performed, wherein the addition amount of the second organic solvent is 1-3 times the volume of the first organic solvent; and after the target compound is precipitated from the solution, suction filtration is performed, and washing is performed with a mixed solution of the first organic solvent and the second organic solvent so as to obtain the high-purity target compound. According to the present invention, the ultrasonic crystal precipitation method is used, such that the byproducts and the pigment generated during the organic synthesis reaction can be removed, the purity of the target product during the organic synthesis is substantially increased, and the high-purity target compound is obtained.

The invention provides a method and a system for preparing urea aqueous solution for vehicles. The method for preparing the urea aqueous solution for the vehicle comprises the following steps of: carrying out EDI treatment on desorption hydrolysis wastewater to prepare ultrapure water with conductivity less than or equal to 0.1 mu s/cm; Dissolving dust urea in the ultrapure water to prepare urea aqueous solution; sequentially carrying out primary filtration, homogenization, fine filtration and ultrafiltration on the urea aqueous solution to prepare the urea aqueous solution for vehicles; Wherein the filtration precision of the primary filtration is 25-50 mu m, the filtration precision of the fine filtration is 5 mu m, and the filtration precision of the ultrafiltration is 0.01mu m. The method uses dust urea and desorption hydrolysis waste water as raw materials to prepare the vehicle urea aqueous solution, which not only provides an effective way for the rational utilization of dust urea and desorption hydrolysis waste water, but also the prepared vehicle urea aqueous solution can meet the requirements of GB 29518-2013 standard.

The invention relates to the technical field of solid solute dissolution and discloses an ultrasonic dissolution promotion device. The ultrasonic dissolution promotion device comprises a shell and a cover plate arranged at the upper end of the shell. The bottom of the shell is provided with an ultrasonic generator. A transducer is arranged on the ultrasonic generator. A horizontal supporting plate is arranged on the transducer. The lower side face of the supporting plate is connected with the bottom surface of the shell through a plurality of supporting rods. A tray is arranged on the upper side face of the supporting plate. The outer side of the shell is provided with a control panel. An ultrasonic adjusting knob and a frequency displayer are arranged on the control panel. The bottom of the shell is provided with support legs. The bottom surface of the shell is provided with a radiator. The upper end of the radiator is connected with the ultrasonic generator through heat conducting glue. The ultrasonic dissolution promotion device has the beneficial effect of promoting rapid dissolution of solutes.

The invention provides a control method and a control device of a preparation device for a vehicle urea solution, and a processor. The method comprises the following steps: controlling a feed openingto be opened to make urea particles of storage equipment added into a stirring device; under the condition that the reading change amount of a weighing device is equal to a preset mass, controlling adischarging opening to be closed, wherein the preset mass is the preset feeding amount of the urea particles; determining a water injection amount according to the predetermined mass and the predetermined concentration; controlling a first valve to be opened, and adding pure water at a preset temperature in hot water storage equipment into the stirring device; under the condition that the readingchange amount of a flow detection device is equal to the water injection amount, controlling the discharging opening to be closed; controlling the stirring device to stir the pure water and the urea particles to obtain the finished urea solution. Compared with manual weighing and feeding in the prior art, the method has the following advantages: the automation level of the preparation device of the vehicle urea solution is improved, the labor cost and the time cost are saved, errors caused by manual weighing are avoided, and the percent of pass of the finished urea solution is increased.

A method and apparatus for producing aqueous iodine solutions to be used as a surface and aerosol disinfectant under continuous and dynamic flow conditions for medical applications comprises dissolving iodine into a first water flow thereby producing a concentrated aqueous iodine solution. The iodine solution is stored and then blended with a second water flow to produce a predetermined iodine disinfectant concentration of aqueous iodine. The disinfectant concentration is then stored and chemically adjusted to polarize to the species of iodine. The disinfectant concentration is then thermodynamically adjusted to maximize retention and disinfection variables. The iodine disinfectant is then ready to be used in an application requiring disinfection using iodine.

The present invention discloses a dissolving system and a dissolving method for dissolving graphite phase carbon nitride. The dissolving system comprises: a chemical reagent comprising at least one ofhalide, nitrate or sulfate of lithium, zinc, aluminum and tin; water used as a solvent; and graphite phase carbon nitride to be dissolved, wherein the dosage of the chemical reagent is 20-80% of themass of the total mixture, the solvent accounts for 20-80% of the mass of the total mixture, and the total mixture is a mixture of the graphite phase carbon nitride, the chemical reagent and the solvent. The system and the method have the advantages of environmental protection and good dissolvability.