32results about How to "Improve productivity per unit time" patented technology

A conventional electrospinning devices is problematic in that the productivity is low and a droplet, by which a spinning liquid is not formed into fiber but dropped in a drop shape, occurs, to thereby deteriorate the quality of a nonwoven fabric. To solve the above problem, the present invention provides an bottom-up electrospinning devices, comprising: a spinning liquid main tank 1; a metering pump 2; a nozzle block 4; nozzles 5 installed on the nozzle block; a collector 7 for collecting fibers being spun from the nozzle block; and a voltage generator 9 for applying a voltage to the nozzle block 4 and the collector 7, wherein [A] the outlets of nozzles 5 installed on a nozzle block are formed in an upper direction; [B] a collector 7 is located on the top part of the nozzle block; and [C] a spinning liquid discharge device 12 is connected to the uppermost part of the nozzle block 4.

The invention aims to provide a high-speed hot press which can be matched with a movable pulse hot-pressing module to improve the process operation mode and enhance the productivity per unit time, and the application method of the high-speed hot press as well. The high-speed hot press comprises a machine station, a conveyor belt mechanism, a hot-pressing module, a moving mechanism and an operation system. The high-speed hot press is characterized in that the hot-pressing module is composed of a pulse hot-pressing electrode, a heat-dissipating module, a horizontal adjusting module, an actuating module and a transformer module which are orderly stacked from bottom to top; and the moving mechanism consists of two parallel opposite longitudinal bearing rails, a plurality of horizontal moving rails, a plurality of horizontal moving apparatuses and a plurality of longitudinal moving apparatuses, wherein the longitudinal bearing rails are respectively arranged at one side of the top end of the machine station, the horizontal moving rails are respectively corresponding to the hot-pressing modules and are arranged between the longitudinal bearing rails, the horizontal moving apparatuses are respectively disposed at positions where the horizontal moving rails and the longitudinal bearing rails are connected, and the longitudinal moving apparatuses are respectively disposed at positions where the hot-pressing modules and the horizontal moving rails are connected and enable the hot-pressing modules to be suspended below the horizontal moving rails.

The invention discloses a production method of high-bulk density and high-stability vanadium trioxide, which is characterized by comprising the following steps of reducing dry ammonium vanadate with reducing gas to obtain powdery vanadium trioxide; extruding the powdery vanadium trioxide by a feeder and a roller press to form strip vanadium trioxide; performing granulation and screening to form granular vanadium trioxide. The method is simple in production process, low in cost and suitable for large-scale industrial production. By adopting the method, the bulk density of the granulated vanadium trioxide is increased from 0.9-1.0g/cm<3> to 2.0-3.0kg/m<3>, the internal gas content is reduced, the oxidation is slowed down, the problem of inaccurate total vanadium content caused by natural oxidation of raw materials in the fields of ferrovanadium smelting and nitralloy production is solved, the loss of flying materials is greatly reduced, the vanadium yield of the system is improved, and the unit-time output of vanadium nitride or ferrovanadium also can be remarkably increased.

The invention discloses a process for continuously producing m-toluic acid. The process comprises a synthesizing production process corresponding to a synthesizing workshop section and a rectifying production process corresponding to a rectifying workshop section. The process for continuously producing m-toluic acid comprises a work flow of (1) synthesizing process, namely synthesizing by adopting a multi-level outer-loop serial connection process; and (2) rectifying process, namely rectifying by utilizing an m-xylene recovery tower, a m-tolualdehyde recovery tower and a m-toluic acid rectifying tower. The process has the advantages of reasonable structural design and continuous operation, a gaseous phase and a liquid phase are sufficiently contacted by means of countercurrent to react, so that the reaction efficiency can be greatly improved, the product production capacity in unit interval can be improved, and operation energy consumption can be reduced. Furthermore, the continuous rectification process can be used for greatly shortening the time for heating a to-be-separated mixture and remarkably inhibiting generation of deep byproducts, so that the once through yield can be greatly improved, and the production benefit can be remarkably increased.

The invention relates to a preparation method of methylphenylcarbamate. The preparation method comprises 1, adding urea and aniline into a pre-reactor and a diphenyl urea synthesis reactor and synthesizing diphenyl urea, 2, conveying the reaction liquid into a falling film evaporator and an evaporating crystallizer through a feeding pump, separating aniline, mixing the aniline and methanol, feeding the mixture into an alcoholysis reactor, carrying out a reaction process, feeding the reaction materials into a flash evaporation pot, separating a part of methanol and aniline and separating residual methanol and most of aniline through the falling film evaporator to obtain a methylphenylcarbamate crude product, and 3, feeding the methylphenylcarbamate crude product into a scraped film type molecule distillation device and further separating the residual microscale aniline and high-boiling residues so that high purity methylphenylcarbamate is obtained and has purity greater than or equal to 99.9%. The preparation method effectively improves methylphenylcarbamate synthesis efficiency and has a product yield greater than or equal to 98.0%. The preparation method is simple and easy and provides an effective synthesis and separation method of a phenyl carbamate intermediate used in preparation of diphenylmethane diisocyanate through the non-phosgene way.

The invention belongs to the field of medicines, and particularly relates to a composite nanometer particle obtained by coating curcumin eutectic crystal/piperine with polymers. The composite nanometer particle comprises a core and a shell coating the core, wherein the core is a mixture of the curcumin eutectic crystal and the piperine; the shell is a hydrophilic polymer. The invention further discloses a preparation method and application of the composite nanometer particle. According to the preparation method provided by the invention, the composite nanometer particle with an in-situ coatingstructure is successfully prepared by creatively utilizing a curcumin eutectic crystal compound through a supercritical fluid anti-solvent technology (SAS). The invention provides the composite nanometer particle with the advantages of better dissolution performance, stability and bioavailability.

The invention relates to a graphic data high-speed transmission device of direct-writing photoetching equipment. The device comprises a graphic display device, a data receiving and processing board connected with the graphic display device through a rigid-flex board, a data conversion board connected with the data receiving and processing board through a multimode optical fiber, and a host connected with the data conversion board. The data receiving and processing board comprises a first FPGA chip, a high-speed connector, a DLP module, an SFP+ optical module and a first QSFP+ optical module, wherein the high-speed connector, the DLP module, the SFP+ optical module and the first QSFP+ optical module are connected with the first FPGA chip. The high-speed connector is connected with one end of the rigid-flex board. The data conversion board comprises a second FPGA chip, a second QSFP+ optical module and a PCI-E 3.0 X8 interface. The second FPGA chip is connected with the second QSFP+ optical module and the PCI-E 3.0 X8 interface. The first QSFP+ optical module is connected with the second QSFP+ optical module through a multimode optical fiber. According to the invention, the transmission rate of the graphic data of the direct-writing photoetching equipment can be effectively improved; rapid and accurate exposure of a graph is realized; and the unit time productivity of the direct-writing photoetching equipment is greatly improved.

The invention relates to novel photovoltaic cell welding equipment and a welding method, and belongs to the field of cell welding, the novel photovoltaic cell welding equipment comprises a welding frame, a light homogenizing mirror module is arranged on the welding frame, the light homogenizing mirror module is used for converting a laser beam into a uniform light beam and projecting the uniform light beam, a light beam gathering assembly is arranged at the bottom of the light homogenizing mirror module, and the light beam gathering assembly is used for gathering the light beam. The light beam gathering assembly is arranged on the welding frame, the photovoltaic battery piece is arranged at the bottom of the light beam gathering assembly, a welding strip is laid at the position of a main grid line on the front face of the photovoltaic battery piece, and the light beam gathering assembly is used for projecting uniform light beams to the photovoltaic battery piece to complete welding of the welding strip and the photovoltaic battery piece. The laser welding device has the advantages that the laser beams are converted into the uniform light beams with the same energy, the uniform light beams are focused on the bonding pad, the energy density is high after laser focusing, tin at a welding spot can be rapidly melted, and the effect of precise welding is achieved.

The invention provides a mortar metalevel particle disperser. The mortar metalevel particle disperser has good stirring effect, good mixing and dispersion effect and higher impact force and shear force, huddle silicon carbide particles can be effectively dispersed, the stirring time is short, and the unit time capacity can be improved. The mortar metalevel particle disperser comprises a stirring container, wherein a central rotating shaft is arranged inside the stirring container, and an upper paddle and a lower paddle are arranged on the central rotating shaft. The mortar metalevel particle disperser is characterized in that a high-speed stirrer is arranged in the stirring container; the high-speed stirrer comprises a disc-type zigzag impeller, a rotary table rotating shaft and a power device; the disc-type zigzag impeller is arranged on the internal side of the stirring container; the disc-type zigzag impeller comprises a rotary table, an upper zigzag plate and a lower zigzag plate; the center of the rotary table is connected with the rotary table rotating shaft; the upper end of the rotary table rotating shaft is externally connected with the power device; and the rotary table rotating shaft is positioned on one side of the central position of the stirring container and is eccentrically arranged.

In order to solve the problem of low working efficiency caused by excessively depending on manual feeding in the prior art, the invention provides the testing method and the testing system for the mechanical properties of the material, a conveying device is controlled by a control center to convey a to-be-tested sample to a testing station, and a tensile test or a bending test is carried out; after the work is completed, the waste is taken out through the waste taking-out device; in addition, when a tensile test or a bending test is carried out, scheduling optimization is carried out on the conveying device by adopting a chicken swarm algorithm and a genetic second-generation hybrid algorithm, so that the productivity in unit time is improved. According to the method, a conveying device iscontrolled by a control center to convey a to-be-tested sample to a test station, a tensile test or a bending test is carried out, and after the above work is completed, waste is taken out through awaste taking-out device; and when a tensile test or a bending test is carried out, scheduling optimization is carried out on the conveying device, so that the productivity in unit time is improved, and the test efficiency is improved.

The invention discloses a low-post-acid yoghourt beverage containing active lactic acid bacteria and a preparation method of the low-post-acid yoghourt beverage. Based on the total weight of the yoghurt beverage, the yoghurt beverage comprises the following raw materials: 30-60 w/w% of a fermentation base material, 2-8 w/w% of a sweetening agent and 0.1-0.5 w/w% of a stabilizer, with the balance being water, wherein on the basis of the total weight of the fermentation base material, the fermentation base material comprises 90 w/w%-98 w/w% of raw milk, 1 w/w%-3 w/w% of white granulated sugar A, 1 w/w%-3 w/w% of dietary fibers, 0.1 w/w permillage-0.6 w/w permillage of a protein raw material and 0.2 w/w permillage-1 w/w permillage of a leavening agent, and the leavening agent comprises active lactic acid bacteria. The invention also provides a preparation method of the yoghourt beverage. The pH value and acidity of the yoghourt beverage provided by the invention are kept stable in the shelf life, and a sour-sweet ratio does not need to be adjusted by adding a large number of sweeteners.

The invention discloses a test method of an ASIC chip wafer. The test method of the ASIC chip wafer is applied to test equipment, and the test equipment is in communication connection with a test board. The test method comprises the following steps: when a chip test request is received, obtaining the test quantity corresponding to the chip test request, and connecting the ASIC chips of the test quantity to the test board; sending the on-off test signal to the ASIC chip through the initialized test board to obtain the on-off test data between the ASIC chip and the test board; if the on-off testdata is normal, sending the performance test signal to the ASIC chip through the test board to obtain performance test data of the ASIC chip; and analyzing the performance test data to obtain a testresult of the ASIC chip. The invention also discloses the test equipment of the ASIC chip wafer and a computer storage medium. The test efficiency of batch ASIC chips is improved.

The invention relates to the technical field of inorganic synthesis, and discloses a preparation method of a trivalent rhodium acetate tripolymer, which comprises the following steps: (1) mixing rhodium powder and potassium chloride, and introducing chlorine for reaction; (2) dissolving the product obtained in the step (1) in water, filtering, adding potassium hydroxide into the filtrate for reaction, filtering and washing to obtain rhodium hydroxide; and (3) adding water, nitric acid and glacial acetic acid into rhodium hydroxide for reaction, after the reaction is completed, evaporating the solution to dryness, performing nitrate removal with glacial acetic acid, and performing acid removal with water to obtain the trivalent rhodium acetate tripolymer. The nitric acid and the glacial acetic acid are adopted to dissolve rhodium hydroxide, and then the glacial acetic acid is used for removing nitrate, so that the reaction can be obviously accelerated, and the yield of the trivalent rhodium acetate tripolymer is improved.

The invention provides a multipurpose tooling assembly and an assembling tooling for a loudspeaker. The multipurpose tooling assembly comprises an upper die and a lower die; the upper die is formed byassembling an upper base and an upper tooling, and the lower die is formed by a lower base and a lower tooling; the upper base and the lower base are respectively provided with accommodation cavitieswhich are respectively used for accommodating the upper tooling and the lower tooling; the upper tooling and the lower tooling are respectively provided with connection components; the upper base andthe lower base are provided with connection matching components along an assembling direction; the connection components are in assembling connection with the connection matching components; the upper tooling and the lower tooling and the upper base and the lower base are respectively mutually limited; and the upper tooling specifically is a base frame tooling for the loudspeaker, and the lower tooling specifically is a front cover tooling for the loudspeaker. By applying the technical scheme, recovery and reuse of a tooling base can be implemented, and economic benefits of the product are effectively improved.

The invention relates to the field of tocopherol and discloses a method for separating tocopherol monomers with a continuous chromatograph. The continuous chromatograph comprises a feeding area and aneluting area, and multiple eluting units are contained in the eluting area. The method comprises steps as follows: a raw material solution mixed with a crude tocopherol product is injected into the continuous chromatograph through an inlet of the feeding area and is eluted in the multiple eluting units respectively by an elution solvent, and each eluting unit is only used for eluting one kind oftocopherol monomer. With adoption of the technical scheme, alpha-tocopherol, beta/gamma-tocopherol and delta-tocopherol with high purity and high recovery rate can be obtained through continuous separation based on the continuous chromatograph, product quality is stable, solvent consumption is low, resin utilization rate is high, and the products are applicable to industrialized enlargement.

The invention provides secondary crystallization equipment and a crystallization method thereof.The crystallization equipment comprises a heating area, a feeding area and a discharging area, the feeding area and the discharging area are arranged on the two sides of the crystallization heating area, and a conveying assembly is arranged in the heating area; the conveying assembly comprises upper conveying wheel sets arranged on the two sides of the upper portion of the heating area and lower conveying wheel sets arranged on the two sides of the lower portion of the heating area respectively, the conveying direction of the conveying assembly is kept consistent with the feeding area and the discharging area, and the upper conveying wheel sets comprise at least two upper conveying wheels arranged in parallel in the horizontal direction. The upper transmission wheel set comprises upper transmission wheels, the lower transmission wheel set comprises lower transmission wheels, the upper transmission wheels and the lower transmission wheels are sequentially connected one by one from top to bottom through a transmission chain, and a transmission hopper used for containing products is erected on the transmission chain. According to the crystallization equipment disclosed by the invention, an up-down circulating heating system is adopted, and a conveying hopper and an ingenious conveying structure are combined, so that the uniformity of crystallization heating is ensured, continuous feeding and discharging of products are realized, and the productivity in unit time is improved.