51results about How to "High batch stability" patented technology

The invention relates to a forging-rolling combined preparation method of a high-strength and high-toughness titanium alloy small-specification bar for machining, which comprises three stages of a cogging forging step, a two-phase region forging step, and a drawing blank making and rolling forming post-heat treatment step. As-cast grains can be fully crushed; a rolling forming mode is utilized, the heating number can be effectively reduced, and the production efficiency and the batch stability are improved; and the prepared small-specification bar with the diameter being 40-80 mm can be directly machined to form a part subsequently, die forging is not needed, the production cost of the small part can be effectively reduced, and important economic and military values are achieved.

The invention discloses a preparation method for preparing a silicon nitride substrate by adopting water-based tape casting silicon powder slurry in the technical field. The preparation method comprises the following steps: step 1) preparation of tape casting slurry: weighing silicon powder, an inorganic sintering aid, a dispersing agent, a water-based binder and a plasticizer; the preparation method comprises the following steps: adding a water solvent into silicon powder, carrying out ball milling, adding a water-based binder and a plasticizer into a ball milling tank, and defoaming slurry obtained after ball milling at a set vacuum degree to obtain slurry; (2) preparing a green body: carrying out tape casting on the adjusted slurry; and (3) degreasing: spraying and coating powder on the cut green body sheets of the silicon powder, stacking the green body sheets and then putting the green body sheets into a glue discharging furnace for degreasing to obtain a uniform and consistent degreased green body. And 4) sintering: transferring the degreased green body into a sintering furnace, raising the temperature to a nitriding temperature, firstly nitriding, then raising the temperature to a sintering temperature, carrying out heat preservation, and then carrying out furnace cooling to obtain the silicon nitride substrate. According to the invention, the cost is reduced on the premise of ensuring environmental protection.

The invention provides a TC32 titanium alloy large-specification forged plate and a preparation method thereof. The preparation method comprises the following steps that S1, a TC32 titanium alloy cast ingot is subjected to repeated upsetting and drawing treatment at the temperature of 1000-1200 DEG C, and a cogged forging stock is obtained; s2, the cogged forging stock is sequentially subjected to first heating number upsetting and drawing treatment and second heating number upsetting and drawing treatment below a phase transformation point, a flat square is obtained through the first heating number upsetting and drawing treatment, the second heating number upsetting and drawing treatment is conducted according to the sequence of flat square upsetting, axial upsetting, axial drawing and flat square pressing, and a first flat blank is obtained; s3, the first flat blank is subjected to one-heating-number upsetting and drawing treatment above the phase transformation point, an obtained forging blank is subjected to recrystallization annealing treatment, and a second flat blank is obtained; and S4, the second flat blank is subjected to broadening and drawing-out treatment below the phase transformation point, machining is conducted, and the TC32 titanium alloy large-specification forged plate is obtained. By means of the method, accurate control over homogenization forging deformation of the large-specification plate blank is achieved, and the production period is shortened.

This invention relates to the field of pesticide technology, specifically to a fungicidal composition, its preparation method, and its uses. The invention provides a fungicidal composition comprising an active ingredient, a first functional component, a second functional component, and an adjuvant; the active ingredient comprises fluthiazopyrone and cyazofamid; the first functional component comprises at least one selected from silica, titanium dioxide, and zinc oxide; the second functional component comprises at least one selected from citric acid, acetic acid, benzoic acid, urea, and triethanolamine. By introducing specific first and second functional components, this invention synergistically works with the active ingredient, effectively overcoming the key defects of fluthiazopyrone's easy photodegradation and cyazofamid's easy hydrolysis, thus improving the stability of the compound formulation; while ensuring the excellent control efficacy and resistance management advantages of both against oomycete diseases such as grape downy mildew, it extends the duration of action and weather resistance of the agent, providing a more stable, efficient, and long-lasting solution for field application.

This invention discloses a solid-phase thickening reactor for PETG chips, belonging to the field of polyester chip processing technology. It includes an outer cylinder with an inlet pipe and an outlet pipe installed at its top and bottom, respectively. Support legs are installed on the side of the outer cylinder. Inside the outer cylinder are a supporting cylinder and four movable inner cylinders. Connecting rings connect the supporting cylinder to the movable inner cylinders and between adjacent movable inner cylinders. This invention ensures that each chip can undergo sufficient and uniform heat exchange with the heat medium, eliminating heating "dead zones" and temperature differences in traditional equipment. Based on the synergistic effect of uniform dispersion, controllable feeding, and a three-dimensional thermal field, the raw material can undergo a thickening reaction in the reactor in an optimal state. This ensures the uniformity and thoroughness of the reaction, effectively avoiding quality problems such as chip viscosity differences and yellowing caused by uneven heating or inconsistent reaction times. Therefore, it significantly improves the final product quality, production efficiency, and batch stability of the PETG chips.

The application relates to the technical field of welding materials, and particularly discloses a high-temperature-resistant flux-cored wire containing rare earth elements and a preparation method thereof. The high-temperature-resistant flux-cored wire containing rare earth elements comprises a wire sheath and a core; the core comprises the following raw materials: dehydrated rutile, dehydrated potassium feldspar, zircon sand, metal chromium powder, metal nickel powder, electrolytic manganese, ferrotitanium, aluminiferous iron, potassium cryolite, potassium titanate, sodium titanate, iron powder, yttrium-based iron alloy powder, atomized ferrosilicon, chromium-iron nitride, bismuth oxide, an additive, and the balance of reduced iron powder; the additive is a mixture of zirconium-iron alloy, ferrotitanium alloy and aluminum-magnesium alloy. The application introduces a specific alloy additive into the core to protect the transition of the rare earth yttrium, optimizes the welding performance of the yttrium and multiple components in cooperation, matches the 253MA heat-resistant steel, adjusts the components of the molten slag and the electric arc, and reasonably processes the technology, so that the welding quality of the wire is improved.

The invention discloses an intermediate of a sulfide electrolyte, a preparation method of the intermediate, the sulfide electrolyte and a preparation method of the sulfide electrolyte, the fluidity of the intermediate is 30s / 50g-75s / 50g, the preparation method of the sulfide electrolyte is characterized in that the intermediate is sintered to obtain the sulfide electrolyte, the grain size and material distribution of the sulfide electrolyte intermediate are uniform, the grain size is relatively fine, and the sulfide electrolyte intermediate has relatively high fluidity. According to the method, the intermediate of the sulfide electrolyte is adopted to prepare the sulfide electrolyte, and the improvement proportion of the ionic conductivity of the sulfide electrolyte is relatively high.

The invention relates to the technical field of crystallization control, and discloses a programmed cooling crystallization kettle and method capable of regulating and controlling sugar alcohol crystal granularity, and the method comprises the following steps: constructing a basic nonlinear cooling model in advance, and respectively collecting real-time torque and actual average chord length of the crystal by using a torque sensor and a focused light beam reflection measurement probe in the crystallization process; and the control system calculates the cooling rate correction according to the granularity deviation through a PID algorithm, calculates a rheology correction factor according to the torque change, and performs attenuation treatment on the sum of the basic rate and the correction by using the rheology correction factor to obtain a final cooling instruction to adjust the temperature in the kettle. Through dual feedback of coupling granularity and rheology, the contradiction between crystal growth and mass transfer resistance under a high-viscosity system is solved, the inclusion amount of the mother liquor is remarkably reduced while the target particle size is realized, and the purity and uniformity of the product are improved.

The invention provides boron-doped ferromanganese phosphate, the content of boron in the boron-doped ferromanganese phosphate is 0.005-0.05 wt%, and the ratio of manganese to iron in the boron-doped ferromanganese phosphate meets the chemical formula ((Mn < x > Fe < y >) < 3 > (P < 1-z > B < z > O < 4 >) < 2 >, wherein 0 lt; xlt; 1, 0lt; yt; Yt; 1, 0.001 < = z < = 0.05. According to the method provided by the invention, manganese and iron elements are uniformly distributed in the ferromanganese phosphate by controlling the charging sequence and the reaction process conditions, and the batch stability and the cycle performance of the carbon-coated boron-doped lithium ferromanganese phosphate can be well improved by using the ferromanganese phosphate as the precursor to prepare the carbon-coated boron-doped lithium ferromanganese phosphate; the compaction density of the carbon-coated boron-doped lithium manganese iron phosphate can also be improved; the method provided by the invention is simple and easy to operate, green and environment-friendly in preparation process, suitable for large-scale production and good in application prospect.

The invention discloses a dried fruit ultralow-temperature vacuum sugar penetration device with a grading ring and a process, and belongs to the technical field of dried fruit processing, the dried fruit ultralow-temperature vacuum sugar penetration device comprises a tank body, the upper end and the lower end of the tank body are both of a conduction structure, and a piston is vertically arranged in the tank body in a sliding mode. The piston is vertically and slidably arranged in the tank body, the gland mechanism composed of the annular floating plate, the fan-shaped floating plate and the rubber corrugated plate is matched, buoyancy generated by the gland mechanism along with rising of the liquid level of sugar liquid is utilized, and a limiting mechanism composed of a trapezoidal guide block, a sliding plate, a force storage spring, a reset spring, a clamping block and a clamping groove is controlled in a linkage mode through a vertical rod; according to the design, the effective operation space in the tank body can be dynamically adjusted according to the liquid level in the tank body, the invalid redundant space of a traditional vacuum tank with the fixed volume is thoroughly abandoned, a refrigerating system only needs to cool the effective space, and a vacuum pump only needs to maintain the vacuum degree of the corresponding space. Refrigeration and vacuum maintenance energy consumption is greatly reduced, and the energy utilization rate is increased.

The invention relates to a nickel-cobalt-aluminum precursor with a two-phase structure as well as a preparation method and application of the nickel-cobalt-aluminum precursor. The nickel-cobalt-aluminum precursor comprises secondary particles containing nickel-cobalt hydroxide and Al (OH) 3. The nickel-cobalt-aluminum precursor prepared by adopting the method disclosed by the invention is relatively large in particle size and high in tap density, the tap density and the electrochemical performance can be improved by using the nickel-cobalt-aluminum precursor to prepare the nickel-cobalt-lithium aluminate ternary material, and the batch stability of the material can be improved.

The invention provides a hot rolling preparation method for producing flat-bulb titanium and application, the method comprises the steps that S1, a square blank is preheated to T1 and then subjected to heat preservation for 1-2 h, the phase transformation point of the square blank is T2, T1 = T2-delta T, and delta T ranges from 20 DEG C to 30 DEG C; s2, rough rolling is conducted at the speed of 4.5 m / s to 5.5 m / s, a groove is formed, the blank temperature after rough rolling is larger than or equal to 880 DEG C, finish rolling is conducted in a continuous passing mode to conduct arc shaping on the blank, the symmetrical flat-bulb titanium profile with bulbs at the two ends and a web in the middle is obtained, the blank temperature after finish rolling is larger than or equal to 850 DEG C, and the total rolling deformation ranges from 75% to 85%; s3, the profile is conveyed to a line roller type tension straightening machine through a roller way to be subjected to tension straightening treatment, the speed is 0.4-0.6 m / s, and the temperature of the straightened profile is larger than or equal to 700 DEG C; and S4, air cooling treatment is carried out, then tongue-shaped parts at the head and the tail are cut off, oxide skin on the surface layer is cleaned, and two flat-bulb titanium profiles with the same specification are obtained through water cutting symmetric segmentation in the rolling direction. According to the method, the temperature difference between the head and the tail can be reduced, the structure property uniformity and the batch stability are improved, and the minimum length of the prepared flat-bulb titanium profile can reach 12-15 m.

The invention belongs to the technical field of industrial automatic control, and particularly relates to a particle swarm optimization-based multi-element spraying fluidized bed composite coating PID control method, which comprises the following steps of: S1, acquiring operating parameters of fluidized bed equipment and actually measured material temperature with a hysteresis characteristic, and constructing a state space model through an extended Kalman filtering algorithm, deducing and outputting non-lagging real material temperature and transient evaporation rate; s2, according to the real material temperature and the transient evaporation rate, in combination with the physical characteristics of the coating material, the evaporation lag coefficient and the transient thermal shock strength of the material are obtained through calculation; and S3, calculating a comprehensive dynamic penalty weight in parallel by using the material evaporation lag coefficient and the transient thermal shock strength, and reconstructing a target fitness function of the particle swarm algorithm by using the comprehensive dynamic penalty weight. According to the invention, thermal inertia lag of the temperature sensor is effectively overcome, and control decoupling and self-adaptive matching of multi-material characteristics are realized.

The application discloses a method for preparing a TiO2 electrode by chemical etching and oxygen-rich annealing treatment. The method comprises the following steps: sequentially performing oil removal treatment and cleaning treatment on a titanium sheet to remove oil stains, organic residues and processing impurities on the surface; placing the obtained titanium sheet into an alkaline solution to perform chemical etching, heating and reacting to obtain a TiO2 sensitive layer, and then cleaning and drying; and performing oxygen-rich annealing treatment on the titanium sheet with the TiO2 sensitive layer to obtain the TiO2 electrode. The preparation process of the chemical etching and the oxygen-rich annealing is synergistic, the electrode surface superhydrophilicity and the sensitive response characteristics to pH value are maintained, the wear resistance and the use reliability of the electrode in the cultivation medium are improved when the electrode is repeatedly inserted and pulled out, and thus the durability of the electrode is improved.

The present invention relates to the technical field of skin care products, and discloses an acne skin relieving gel containing swallow and folium artemisiae argyi components, the acne skin relieving gel comprises the following components by weight: 2-3% of an oat kernel extract; 2%-3% of a folium artemisiae argyi extract; 5%-8% of a humectant; 0.5%-0.8% of an antioxidant; 0.1% to 0.2% of matrine; 4.65% to 7.4% of a skin conditioning agent; according to the invention, the oat kernels and the folium artemisiae argyi extract are compounded, so that the anti-allergy and anti-oxidation performance is synergistically improved, and redness, stabbing pain and inflammation are effectively relieved. The composite moisturizing system is combined with natural components, so that double effects of water absorption and water locking are realized, and dryness and roughness are improved permanently. All the components are natural and mild, do not contain artificial essence, pigment or preservative, and are suitable for sensitive skin. The preparation process is simple and controllable, high in batch stability and suitable for large-scale production.

The application discloses a traditional Chinese medicine raw material automatic feeding control method and system based on an AGV robot, and particularly relates to the field of automatic control technology; the method is characterized in that: by collecting the acceleration and deceleration signals, the docking signals, the feeding mechanism contact signals, the feeding door opening degree signals and the vehicle-mounted weighing sequence in the running process of the AGV robot, the weighing fragments in each stage are extracted, and a dynamic additional load template is established; after the feeding door is opened, the dynamic additional load is deducted and the material falling lag is corrected, and the real material falling quality sequence is obtained; the weighing pseudo-stable state is identified through the continuous window slope and the rebound residual error, and after the rebound residual error is attenuated, the remaining difference value is calculated; finally, according to the relationship between the remaining difference value and the end material supplement threshold value, the feeding termination or the end material supplement opportunity is determined, the control instruction is generated, and the high-precision and stable traditional Chinese medicine raw material automatic feeding control is realized.

The application discloses a salicylaldehyde Schiff base corrosion inhibitor and a preparation and application method thereof. The corrosion inhibitor is salicylaldehyde condensation-1,3-propanediamine Schiff base 2. A nitrogen atom on a -RC=N- in a molecule and an oxygen atom adjacent to the nitrogen atom and having excess electrons form a stable coordination bond with a metal atom, and a dense adsorption protective film is formed on a low-carbon steel surface. In the application, anhydrous ethanol is used as a conventional reaction medium, and a high-purity target product can be obtained through one-step condensation at normal pressure and at medium temperature. The corrosion inhibitor does not contain heavy metals and strong toxicity groups, is green and environment-friendly, does not need special treatment after use, and further reduces application cost, and can be widely applied to corrosion protection scenes in an acidic environment of low-carbon steel.

The present application relates to the technical field of biological nanomaterials, in particular to a multi-level structure calcium phosphate nanomaterial, a preparation method and application thereof.The present application prepares small-scale calcium phosphate nanoparticles through a biomimetic mineralization strategy, and then crosslinks the same with L-lysine or cystamine dihydrochloride through an EDC / NHS-mediated amide coupling method to form a size-controllable multi-level structure aggregate.Compared with the small-scale calcium phosphate nanoparticles, the multi-level structure, as a doping matrix of metal ions such as Cu and Mn, significantly improves the catalytic efficiency of the metal ions, as a drug carrier, improves the loading capacity of the drug, and the multi-level structure shows a higher tumor accumulation effect.The present application has a simple preparation method, can realize the size regulation of the multi-level structure calcium phosphate nanomaterial, and can realize the tumor microenvironment-responsive disintegration of the multi-level structure.The method has good process repeatability and high batch stability, is suitable for developing high-performance nanodrugs, and has good application potential in the biomedical field.

This invention discloses a method for preparing high-purity rare-earth ferrosilicon alloys, belonging to the field of pyrometallurgical technology. Addressing the stringent purity requirements (oxygen content ≤50ppm, sulfur content ≤100ppm) for rare-earth ferrosilicon alloys in high-end manufacturing, and the technical challenges of deep removal of impurities and poor compositional uniformity in existing preparation processes, this invention provides a method for preparing high-purity rare-earth ferrosilicon alloys integrating "deep raw material purification - multi-stage vacuum refining - directional solidification purification - application-oriented compositional control". The method includes: preparing an intermediate alloy using high-purity rare-earth oxides, high-purity silica, and steel scrap as raw materials through carbothermic reduction; placing the intermediate alloy in a vacuum induction melting furnace and performing multi-stage refining under a vacuum of ≤10Pa, selectively removing volatile impurities through segmented temperature control; performing deep deoxidation and desulfurization using composite refining agent injection technology; achieving interfacial segregation separation of impurity elements through directional solidification technology; and finally, performing atmosphere-protected annealing and compositional fine-tuning according to the target application field. Based on the multi-stage synergistic purification mechanism of "thermodynamic selective volatilization-kinetic spray reaction-crystal growth interface segregation", the rare earth ferrosilicon alloy prepared by this invention has an oxygen content of ≤45ppm, a sulfur content of ≤80ppm, and a rare earth element distribution non-uniformity of ≤±2%, which meets the application requirements of high-end fields such as aerospace high-temperature alloys, nuclear reactor control materials, and semiconductor sputtering targets.

This invention belongs to the field of UV-curable resins, specifically relating to a self-healing UV-curable resin, its preparation method, and its applications. The preparation method includes the steps of: adding p-hydroxyanisole, glycidyl methacrylate, and 4-dimethylaminopyridine to an amino-terminated prepolymer and reacting, followed by separation to obtain the resin. The preparation method of the amino-terminated prepolymer includes adding an activator to a carboxyl-terminated prepolymer and reacting it, followed by adding a polyetheramine. The preparation method of the carboxyl-terminated prepolymer includes reacting a diol and an anhydride in a solvent. The invention provides corresponding products and their applications in the preparation of UV-curable coatings, UV-curable adhesives, and 3D printing consumables. Compared to existing technologies, the coating prepared by the method provided in this invention exhibits significant self-healing function and high elongation at break.

The application discloses a kind of microbial standard substance preparation methods of characterizing hydrogen peroxide sterilization performance, belong to biological detection technical field, comprising the following steps: S1, raw material selection: including indicating microorganism, carrier, modified chitosan, modified mesoporous nanometer silicon dioxide and tannic acid;S2, preparation composite protective solution: modified chitosan is dissolved in phosphate buffer solution, add tannic acid solution;Again add modified mesoporous nanometer silicon dioxide;S3, preparation spore protection suspension;S4, the inoculation and drying of carrier;S5, packaging and storage;The application solves the problem that microbial standard substance quality value is not accurate, unstable, unreliable in the existing hydrogen peroxide sterilization performance evaluation.

The present application provides a continuous reaction system, a ferromanganese phosphate precursor, a lithium iron manganese phosphate, a preparation method, and a secondary battery. A method for preparing a ferromanganese phosphate precursor provided in the present application is a continuous preparation method, thereby improving the production efficiency, and obtaining the ferromanganese phosphate precursor with small particle size, narrow particle size distribution, high crystallinity, monocrystal phase, regular appearance, high tap density, high batch stability, and high batch consistency.

This invention relates to the field of polyether material preparation, and provides a low-foaming block copolymer ether and its preparation method. The method involves reacting a hydroxyl-terminated polyoxyethylene-polyoxypropylene block copolymer with propyltriethoxysilane isocyanate, followed by hydrolysis-condensation to construct a block copolymer ether with siloxane-containing nanoclusters at the end groups. By controlling the number-average molecular weight of the polyether backbone, the content of ethylene glycol oxy units, the content of propylene glycol oxy units, the amount of silane introduced, the degree of hydrolysis-condensation, and the average particle size of the siloxane nanoclusters, low initial foam height, low 5-minute foam height, suitable cloud point, and low residue are achieved. This solves the problem of simultaneously achieving persistent low foaming with low viscosity, a wide processing window, structural uniformity, water solubility, and compatibility stability, and has good industrial application value.

This invention provides a method for preparing macaron shells using precise temperature and humidity control during drying, relating to the field of macaron shell preparation technology. This method includes the following specific steps: S1, preparing the batter: Selecting raw materials, including specialty flour, almond flour, powdered sugar, egg white, granulated sugar, and water. The specialty flour, almond flour, and powdered sugar are sieved and stirred twice. The first addition includes the sieved specialty flour, powdered sugar, and half of the egg white; the second addition includes the remaining half of the egg white, granulated sugar, and water, resulting in the batter. By establishing a quantitative relationship model between the total drying time and the initial ambient temperature and relative humidity, and dynamically adjusting the total drying time according to actual environmental conditions, the drying process can adapt to environmental differences in different regions and seasons, eliminating reliance on operator experience and significantly improving the batch stability and environmental adaptability of macaron shell preparation.

The present application relates to the technical field of traditional Chinese medicine preparation, in particular to a Huangbai eight flavor tablet and a preparation process thereof. The Huangbai eight flavor tablet is a film-coated tablet, comprising a tablet core and a double-layer film coating. The tablet core is composed of Huangbai, Xiangmo, Zhizi, Gancao, Honghua, Baidu, Niudan powder and Huangbai enrichment and re-addition granules. The total mass fraction of the eight medicinal materials is 89.0-97.8 wt%. The Huangbai enrichment and re-addition granules are prepared by adsorbing Huangbai alkaloid enrichment solution on self-supporting porous adsorption granules. The double-layer film coating comprises a carboxymethyl cellulose sodium-glycerol inner layer and a hydroxypropyl methyl cellulose-glycerol outer layer. The present application realizes high-concentration alkaloid enrichment and uniform re-addition through self-supporting porous adsorption technology, solves the contradiction between high loading and formability, realizes moisture-proof barrier and rapid disintegration balance through the double-layer film coating structure, significantly improves the tablet formability, stability and bioavailability, and is suitable for industrialized production of heat-clearing and dampness-drying traditional Chinese medicine.

The present application belongs to the field of waste acid resource utilization and inorganic salt preparation, and provides a high-purity ferrous sulfate solution, ferrous sulfate heptahydrate and a preparation method thereof from waste acid. The present application forms a supersaturated crystallization feed by adjusting the iron-containing waste acid feed liquid, separately prepares plate-shaped ferrous sulfate heptahydrate directional seed A1-S, and crystallizes under low-dissolved oxygen conditions. Then, the wet crystal is subjected to micro-dissolution and recrystallization treatment in an acid sulfate system by using a ferrous-rich sulfuric acid surface polishing liquid B2-L. The crystal morphology is stable, the impurity entrainment is reduced, the ferrous valence is maintained, and the mother liquor circulation is stable. The problems of directional crystallization and purity improvement, low-oxygen control and mother liquor recycling are solved. The present application is suitable for waste acid resource utilization and preparation of high-purity ferrous sulfate products.

This invention discloses a high-density phage culture method for *R. anatidae*, belonging to the technical field of high-density phage culture of *R. anatidae*. First, a standard strain of prevalent *R. anatidae* serotype is selected as the host bacterium. After activation, it is inoculated into an optimized culture medium supplemented with divalent cations. When the host bacterium is in the logarithmic growth phase, it is pre-amplified by inoculating the original phage lysate at a low multiplicity of infection, and high-lytic-activity phage strains are screened. Then, the screened phages are inoculated into an expansion culture system. During the culture process, nutrients are dynamically supplemented to maintain the activity of the host bacterium. After complete lysis of the host bacterium, a specific nuclease is added to the culture system to digest the free nucleic acid. The phage prepared by this invention has a high titer and can be directly used in formulation production without additional concentration. The culture system has low free nucleic acid residue, the phage loss rate during purification is low, and the obtained phage lysis spectrum covers a wide range.

The application discloses a multi-shaft cooperative stirring reaction kettle for electronic-grade chemical production, relates to the technical field of reaction kettles, and is based on a driving assembly, a kettle body and a vertically arranged stirring shaft. A plurality of single-section stirring groups containing single-section air arms and arc-shaped direction limiting frames are linearly arranged along the axial direction and are distributed in a circumferential annular staggered manner on the stirring shaft. The single-section air arms are connected with the stirring shaft through direction limiting connecting pieces and can be slightly deflected in a vertical plane along the direction limiting grooves of the arc-shaped direction limiting frames. Pressure sensing balloon pieces are arranged at the end of the single-section air arms, dynamic direction limiting rotating sleeves and open flaps are arranged on the pressure sensing balloon pieces, multi-shaft cooperative stirring is realized through single-shaft driving, the material working condition can be adaptively matched, mixed dead zones can be effectively eliminated, vortex gas can be inhibited, the temperature and shear strength in the kettle can be balanced, and the purity, uniformity and batch stability of electronic-grade chemical production can be greatly improved.

The application discloses a cell microsphere preparation device, which comprises a bolus pump assembly, a mixing assembly arranged adjacent to the bolus pump assembly and a spraying assembly; the bolus pump assembly is used for providing power to extrude mixed liquid in the mixing assembly from the spraying assembly; wherein the mixing assembly comprises a fixing frame, a roller rotatably connected to the fixing frame, a piston rod sliding in the roller and a driving gear engaged with the roller. According to the application, the cell concentration in the mixed suspension is ensured to be always uniform, thereby improving the preparation quality and batch stability of the cell microspheres and meeting the actual needs of the field of biopharmaceuticals and cell therapy for high-quality cell microsphere carriers.

The application provides a material preparation method based on purification and delamination synergistic optimization of montmorillonite, and comprises the following steps: S1, pretreating natural montmorillonite raw materials; S2, centrifugal purification by using a purification parameter linear optimization model; S3, preparing a montmorillonite delamination precursor; S4, ultrasonic delamination treatment by using a delamination effect dynamic regulation model; S5, purification and delamination synergistic optimization adjustment; S6, delamination montmorillonite stabilization treatment; S7, material forming and drying; S8, material sintering and performance characterization. Through the whole-process intelligent synergy of "raw material characteristics-purification parameters-delamination effect", the application breaks through the limitations of traditional processes and realizes efficient and stable preparation of montmorillonite materials.