16results about How to "Dissolve completely" patented technology

The method comprises the following steps that the lithium slag is sequentially subjected to first magnetic separation treatment, ore grinding treatment and second magnetic separation treatment, and iron concentrate and magnetic separation treatment tailings are obtained; the magnetic separation treatment tailings are sequentially subjected to first-stage acid treatment and second-stage acid treatment, and iron-removed and desulfurized lithium slag is obtained; wherein the acids used in the first-stage acid treatment are citric acid and hydrochloric acid, and the acids used in the second-stage acid treatment are citric acid and nitric acid. According to the method, two times of high-strength magnetic separation and two times of acid treatment are combined, the removal process of iron and sulfur in the lithium slag is optimized, and the iron removal and sulfur removal efficiency is remarkably improved.

The utility model relates to the technical field of concrete production, in particular to a concrete admixture premixing device which comprises a premixing box and a rotating cylinder, a liquid inlet pipe and a liquid outlet pipe are arranged on the pre-mixing box, and a plurality of supporting legs are arranged on the bottom surface of the pre-mixing box; the rotating cylinder is rotationally mounted on the inner wall of the upper end of the premixing box; an auxiliary assembly for stirring the concrete admixture in the rotating cylinder is arranged at the feeding hole; the upper end of the stirring assembly is connected with the bottom surface of the rotating cylinder. The stirring assembly drives the rotating cylinder to rotate, the concrete admixture can be dissolved more quickly through relative movement between the rotating cylinder and the auxiliary assembly, and meanwhile the dissolved concrete admixture and liquid in the pre-stirring box are further mixed through the stirring assembly. Furthermore, the concrete admixture can be dissolved more quickly and uniformly; and meanwhile, the arranged stirring assembly drives the rotating cylinder to rotate, so that a new driving piece is prevented from being added, and energy is saved.

The application discloses a method for digesting and separating fluorinated aluminum by program, which comprises the following steps: placing a catalyst with metal elements supported on alumina as a carrier into a reaction container of a cluster digestion device, adding hydrochloric acid and / or nitric acid, setting a digestion program, introducing inert gas for pre-pressurization, performing primary digestion, and simultaneously starting a condensation reflux atomizer; after the program is completed, adding hydrofluoric acid, setting a digestion program, and performing secondary digestion; after the digestion is completed, entering a cooling and crystallization program, performing cooling and crystallization, and separating to obtain a sample solution to be detected and a solid; the solid is dried and calcined to obtain fluorinated aluminum crystals, and the liquid is used for detecting the content of metal elements. The method is applied to the digestion treatment of the alumina sample with metal elements supported thereon, has a large sample treatment range, complete digestion, no volatile loss of elements, and can separate AlF3 in an alpha crystal form through the program digestion of the digestion device.

The invention belongs to the technical field of veterinary vaccines, and discloses a vaccine diluter for animal husbandry and veterinary and a method thereof.The vaccine diluter comprises a supporting bracket, the lower side of the supporting bracket is fixedly connected with fixed connecting rings distributed in a circumferential array mode, the fixed connecting rings are slidably connected with ball head sliding rods, and the ball head sliding rods are hinged to a motor mounting frame; a telescopic motor is mounted in the motor mounting frame, a telescopic piston rod is mounted on the upper side of the telescopic motor, an isolation dissolving net is fixedly connected to the telescopic piston rod, and the telescopic piston rod is slidably connected with a dissolving barrel in a penetrating manner; through cooperation of structures such as an isolation dissolving net and an elastic film, a telescopic motor drives a telescopic piston rod and the isolation dissolving net to slide upwards, so that a freeze-dried vaccine in the isolation dissolving net is in contact with the elastic film, and a diluent in a diluent barrel is extruded and dissolved to flow into the dissolving barrel; meanwhile, the freeze-dried vaccine is prevented from being damaged due to excessive stress through the elastic material of the dissolving diluent barrel.

The invention discloses an automatic control system and method for waste cloth dissolving equipment in a plasticizer production process, belonging to the field of automatic control technology, and specifically comprises: preparing cloth raw materials, initializing sensor and controller parameters, setting and preheating a screw extruder; dynamically adjusting the parameters of the screw extruder by real-time monitoring the temperature and pressure in a dissolving tank; after the cloth pieces are melted and extruded by the screw extruder, they are mixed with octanol, and a dual-control mixing control algorithm is used to automatically adjust the amount of octanol added, and a cleaning program is automatically started; a machine learning model is used to monitor the state of the mixed liquid in real time, and the dissolution completion condition is automatically determined; at the same time, the operating state of the equipment is monitored in real time, and an alarm is triggered and safety measures are taken in case of abnormality; after the production is completed, the system automatically shuts down the equipment and records the production data, so as to realize efficient, safe and accurate automatic production.

The invention relates to the technical field of lithium battery accessory manufacturing, and particularly discloses a metal wire preheating shaking device which comprises a fixed bottom plate. A tubular electric furnace and a limiting plate are arranged on the upper surface of the fixed bottom plate; an avoiding hole is formed in the limiting plate; an adjusting unit is arranged on the limiting plate; a reciprocating driving unit is arranged on the adjusting unit, so that the titanium wire can be driven to swing in a reciprocating manner, the contact area between the titanium wire and molten aluminum can be increased, dissolution and dispersion of the molten aluminum can be improved, precipitation of the titanium wire can be reduced to a greater extent, and the effect is better; the reciprocating driving unit is sleeved with a rocker arm; the tail end of the rocker arm is fixedly connected with the limiting ring, the limiting ring is arranged on the surface of the titanium wire in a sleeving mode, the bending deformation amplitude of the titanium wire can be changed along with reciprocating motion of the rocker arm, meanwhile, contact of the receding hole serves as a lever fulcrum, the reciprocating bending deformation amplitude of the titanium wire can be enlarged, and the moving distance in a molten aluminum groove can be increased; and contact with more molten aluminum can be realized, so that precipitation is reduced.

The invention belongs to the technical field of fine chemical engineering, and particularly relates to a preparation method and application of a double-alkali metal magnesium aluminate spinel catalyst. The preparation method comprises the following steps: mixing pseudo-boehmite and magnesium nitrate, adding the mixture into water, uniformly mixing, adding a dispersing agent and a precipitating agent, stirring, standing, aging, crystallizing, centrifuging, washing, drying and roasting to obtain a spinel carrier MgAl2O4; the spinel carrier MgAl2O4, a modifier and water are subjected to a reaction, hydrothermal crystallization, centrifugation, washing, drying and roasting are performed, and the treated spinel carrier MgAl2O4 is obtained; and mixing lithium nitrate, calcium nitrate, a pre-precipitating agent and water, performing ultrasonic treatment, heating, concentrating and evaporating, performing equivalent-volume impregnation on the treated spinel carrier MgAl2O4, and performing hydrothermal reaction, centrifugation, washing, drying and roasting to obtain the Li2O-CaO / MgAl2O4 double-alkali metal magnesium aluminate spinel catalyst. The preparation method is simple, and the prepared catalyst is low in cost and high in catalytic activity.

The invention belongs to the technical field of battery negative electrode material recovery, and particularly relates to a method for preparing a lithium battery negative electrode material through microwave-assisted recovery of modified waste graphite and the prepared modified graphite lithium battery negative electrode material. Aiming at the problems of poor electrolyte compatibility, poor cycling stability and the like of a graphite material, asphalt is adopted as a carbon source, recycled graphite is subjected to coating modification, and then a segmented heating solid-phase pyrolysis process is performed to prepare the graphite-based composite material with the core-shell-like structure. The waste graphite recycling, modifying and regenerating process disclosed by the invention has the characteristics of simplicity, high efficiency and environmental protection, the recycled graphite can be directly used as a lithium battery negative electrode material after being regenerated and modified, and the waste graphite recycling, modifying and regenerating process has the advantages of low cost, high reversible specific capacity and good cycle performance; and a new technical route is provided for preparation of a high-performance and low-cost lithium ion battery negative electrode material.

The invention relates to the technical field of medicine preparation, in particular to a preparation method of micro-powder amoxicillin. The preparation method of the micro-powder amoxicillin, provided by the invention, comprises the following steps: mixing an amoxicillin condensation solution and concentrated hydrochloric acid to obtain an amoxicillin acidizing fluid; ammonia water is added into the amoxicillin acidizing fluid for crystallization and crystal growing in sequence, and micro-powder amoxicillin is obtained; the dripping rate of the ammonia water is 6.5-14 m < 3 > / h; the crystallization is carried out under a stirring condition. The preparation method can be used for preparing the micro-powder amoxicillin with enough small particle size.

The utility model relates to the technical fields of defatting agent auxiliary equipment more specifically, relate to a kind of stirring device and defatting agent automatic adding equipment, including dosing bucket and stirring mechanism, still including baffle, telescopic link, plugging block and float, baffle is located in dosing bucket, baffle will inside dosing bucket by from top to bottom sequentially separated into feeding space and stirring space, powder inlet is located in feeding space, water inlet and liquid outlet are located in stirring space, telescopic link is slidably connected with baffle, plugging block is located in the upper end of telescopic link, float is located in the lower end of telescopic link, baffle is equipped with the powder outlet that can be blocked by plugging block.The utility model is through setting telescopic link, float and plugging block, powder outlet is blocked when adding water, after adding enough water, defatting powder is added to dissolve, avoid clumping, ensure that dissolving is completely, save stirring time and energy.

This invention discloses a system for purifying sodium pyrophosphate containing metallic impurities to produce disodium hydrogen phosphate, belonging to the field of waste treatment technology. The system includes a dissolving vessel equipped with a crude sodium pyrophosphate inlet pipe, a first water inlet pipe, and a first discharge pipe. The first discharge pipe is connected to a photocatalytic reaction device, which is connected to an electrochemical device. The electrochemical device is connected to a hydrolysis vessel via a reaction liquid outlet pipe. The hydrolysis vessel is equipped with a second water inlet pipe, a catalyst inlet pipe, and a second discharge pipe. The second discharge pipe is connected to a crystallizer, which is connected to a first filter, which is connected to an oven. This invention can obtain high-purity disodium hydrogen phosphate.

The utility model discloses a kind of domestic waste incineration fly ash washing carbonation device, comprising: reaction tank, high-efficiency cyclone aerator and agitator, agitator is set to the upper end of reaction tank, the lower end of agitator is inserted into reaction tank, high-efficiency cyclone aerator is set on the inside bottom wall of the both sides of reaction tank, the side of reaction tank is provided with slurry inlet, the other side of reaction tank is provided with slurry outlet. Through the application of the utility model, a kind of domestic waste incineration fly ash washing carbonation device is presented, which is carbonated by using the slurry formed after dissolving fly ash with carbon dioxide, not only can effectively improve the removal rate of chlorides in fly ash, so that chlorides removal is more thorough, but also can avoid the case of using a large amount of hydrochloric acid to adjust PH value, which is beneficial to reduce the secondary pollution risk caused by the use of hydrochloric acid;In addition, a large amount of calcium minerals will also be dissolved in the process of carbonating slurry, which is beneficial to improve the utilization rate of calcium resources in fly ash.

The invention discloses a high-smoothness pullulan empty capsule and a method for improving the smoothness of the pullulan empty capsule, the surface smoothness of a prepared pullulan capsule shell is improved by controlling the conductivity of pullulan polysaccharide in a range of 0.1 ms / cm to 0.8 ms / cm for the first time; by adopting small-molecular-weight pullulan with the molecular weight of 1-600,000 Daltons and introducing sodium periodate, cystine and diamino polyethylene glycol as a linker reagent, the pullulan is subjected to end-to-end connection cyclization, so that winding and friction among pullulan molecules are reduced, the friction force of a capsule shell is reduced fundamentally, and the surface smoothness of the capsule shell is improved.

The invention discloses a putting device which comprises a water inlet branch, a water mixing branch and a water outlet branch which are connected in sequence, and water introduced by the water inlet branch and a detergent extracted by the water inlet branch are mixed in the water mixing branch and flow out of the water outlet branch; the mixed flow meter is connected between the water mixing branch and the water outlet branch in series, an impeller driven by inlet water to rotate is arranged in the mixed flow meter, and a mixing structure with an uneven surface is arranged on the impeller. The impeller has the beneficial effects that in the rotating process of the impeller, the uneven surface is formed on the surface of the impeller through the mixing structure, so that the flow direction and the flow speed of nearby water flow are changed to different degrees, turbulent flow is formed on the surface of the impeller, inflow water flow is difficult to directly impact on the surface of the impeller, and the flow speed is increased; therefore, the undissolved additive is prevented from being adhered to the impeller; meanwhile, the turbulent flow formed by the mixing structure can enable the water flow to be fully stirred in the mixing flow meter, so that the impeller of the flow meter has the mixing and stirring functions, and the additive is completely dissolved.

This invention discloses a method and product for purifying low-impurity quartz sand, relating to the field of quartz sand purification technology. The method includes: Step 1: Crushing and screening to obtain pretreated pure quartz sand; Step 2: Calcination-water quenching to obtain lattice-activated quartz sand; Step 3: Magnetic separation to obtain deeply purified quartz sand; Step 4: Ultrasonic-flotation synergistic treatment to obtain purified quartz sand; Step 5: Pressure acid leaching to obtain deeply purified quartz sand; Step 6: High-temperature chlorination and inert atmosphere cooling to obtain chlorinated purified quartz sand; Step 7: Dehydroxylation treatment to obtain dehydroxylated quartz sand; Step 8: Plasma purification to obtain a low-impurity quartz sand product with a purity ≥99.9999%. In this invention, pressure acid leaching directly acts on the surface and inside microcracks, allowing for faster acid penetration and more thorough dissolution. This synergistic effect of flotation and acid leaching increases the product purity from 99.78% to over 99.9999% with the same acid consumption.

The utility model relates to the field of precious metal secondary resource recovery, in particular to a pressurized alkali dissolution device for a precious metal-containing platinum alumina carrier. The pressurized alkali dissolution device comprises a reaction kettle (1), a vacuum pump (2), a dilution tank (3), an alkali liquor delivery pump (4), a metal filter (5), a buffer tank (6) and a control box (7), a material inlet valve (8), an alkali liquor inlet valve (9), a vacuum valve (10), a nitrogen inlet valve (11), a compressed air valve (12), a discharge valve (13), a stirring system A (14), an electromagnetic heating system (15), a coil water cooling system (16), a temperature transmitter A (17) and a pressure transmitter (18) are arranged on the reaction kettle (1). The device is simple to operate, and realizes the automatic control reaction and filtration of the precious metal-containing platinum alumina carrier.