57results about How to "Efficient production capacity" patented technology

The invention discloses a method for measuring the diameter of a high-temperature steel pipe by using an image recognition technology. The method comprises the following steps of: placing a metric scale on the same plane where the steel pipe is located, carrying out image pick-up on the steel pipe by adopting a high-definition camera, obtaining a pixel point ratio of the metric scale to the steel pipe after the image processing carried out by a computer, obtaining the diameter of the steel pipe, and finally calculating to obtain the accurate diameter of the cooled steel pipe by using the scaling coefficient of the cooled steel pipe. The method for measuring the diameter of the high-temperature steel pipe by using the image recognition technology has the characteristics that: the cost is saved and the efficiency is increased.

The present invention discloses a hot press molded melamine foam, and the melamine foam comprises, by weight, 100 parts of melamine resin, 1-10 parts of a surfactant, 5-40 parts of a foaming agent, 0-20 parts of an assistant, 5-20 parts of a catalyst, 0-30 parts of water, and 5-30 parts of hot pressing rubber powder particles. The invention also discloses a preparation method for the hot press molded melamine foam, and the method includes following steps: preparation of the melamine resin; preparation of a semi-finished product of the melamine foam: mixing raw materials uniformly to form a foaming solution, and subjecting the foaming solution to microwave action to obtain the semi-finished product; and preparation of a melamine foam finished product: spraying a liquid formed by dispersion of the hot pressing rubber powder particles during the moving of the semi-finished product of the melamine foam, and press-forming the dried foam by a thermo-compressor to obtain the melamine foam finished product. Reticular layer structures of the melamine foam are adhered together through melting of the hot pressing rubber powder particles in the method, and the melamine foam has good mechanical properties and flame retardance, and does not increase the formaldehyde content. The method is capable of continuous production.

The invention relates to the technical field of genetic engineering and discloses a recombinant yeast strain and application thereof. The recombinant yeast strain is a yeast strain for fermenting production of lycopene, and the ALD6 promoter expression intensity of the yeast strain is lowered. According to the recombinant yeast strain and the application thereof, the ALD6 promoter of the yeast strain is deeply studied, it is discovered that the lycopene yield of the yeast strain can be improved remarkably by constructing the recombinant yeast strain for fermentation production of the lycopene in the mode that the ALD6 promoter expression intensity is lowered through full knockout, lower expression promoter replacement or the like, the recombinant yeast strain can be taken as an optimizing means for a yeast engineering bacterium synthesis route, and recombinant yeast strains with more excellentproductioncapacity can be constructed.

The invention relates to a diversified fiber yarn production method by rotor spinning, which includes the following process steps: the bulk fiber dyeing step, the wool mixing step, the combing step, the drawing step, the rotor spinning step, the doubling step and the twisting step. In the rotor spinning step, fiber strips are conveyed to a combing roll through a feeding mechanism and are combed into single fibrous fiber flow under the action of the combing roll, the single fiber flow is separated from the combing roll and enters a spinning rotor under the action of centrifugal force and negative pressure of the combing roll, and enters a U-shaped concentrating groove under the action of the centrifugal force after entering the spinning rotor, so that single fibers can be reconcentrated to be in the shape of rings and form yarns under the action of seed yarns and a twister. The diversified fiber yarn production method by rotor spinning is superior to the ring spinning method in yarn quality, production capacity, energy consumption, labor using and benefits and the like.

A polymer comprising a polymer backbone. The polymer backbone has a plurality of carbon atoms. There are two lipophobic carboxylate groups or carboxylic acid groups per repeating unit being coupled to separate carbon atoms of the backbone. The polymer may be used to recover metals by chelation and then burning away the polymer.

Disclosed in the present invention is a device for automatically controlling cutting, polishing and processing of products in the technical field of product processing, comprising a processing table.A positioning mechanism is provided on the right side of the top surface of the processing table; a first cutting mechanism is provided on the left side of the positioning mechanism; the first cuttingmechanism is linked and connected to a second cutting mechanism; a polishing mechanism is provided between the first mechanism and the second mechanism; a first cleaning mechanism is provided at theend portion of the polishing mechanism; and a second cleaning mechanism is provided under the processing table. The present invention implements automatic control of processing in the whole process, implements the positioning, cutting and polishing procedures for the products, integrates each independent processing device, reduces the floor area of the device, uses a cylinder and cutter synchronous conveying device to improve the capacity, reduces the labor invested cost, reduces the safety risk of manual operation, and improves the work efficiency.

The invention relates to the technical field of genetic engineering and discloses a promoter and a recombinant yeast strain. Based on an overall-length sequence of a yeast strain ALD6 promoter, the promoter is processed as follows for one or more: 1, one or more conserved sequences on the ALD6 promoter are knocked out; 2, one or more sequences including the conserved sequences on the ALD6 promoter are knocked out; 3, one or more conserved sequences on the ALD6 promoter are mutated; 4, one or more conserved sequences on the ALD6 promoter are replaced; 5, one or more sequences including the conserved sequences on the ALD6 promoter are replaced. It is found that the yield of a yeast strain for terpenoid compound production can be increased through deficiency, replacement, mutation and the like of the conserved sequences of the promoter through deep research on the yeast strain ALD6 promoter, and the yeast strain ALD6 promoter can serve as an optimizing means of a yeast engineering bacterium synthesis path to establish the recombinant yeast strain having more excellent capacity.

The invention discloses an industrial crude hydrogen purification and hydrogen storage and release system and method for an organic liquid hydrogen storage medium, and belongs to the technical field of organic liquid hydrogen storage. The system comprises a gas compression device, an organic liquid hydrogen storage medium hydrogenation device, an organic liquid hydrogen storage medium storage tank, a hydrogen-rich hydrogen storage medium dehydrogenation device and a hydrogen-rich hydrogen storage medium storage tank. The method comprises the steps of firstly, introducing an industrial crude hydrogen source into the gas compression device to compress the industrial crude hydrogen source, then introducing the compressed crude hydrogen source into the organic liquid hydrogen storage medium hydrogenation device to carry out catalytic hydrogenation, feeding a material subjected to catalytic hydrogenation into the hydrogen-rich hydrogen storage medium storage tank, feeding the material in the hydrogen-rich hydrogen storage medium storage tank into the hydrogen-rich hydrogen storage medium dehydrogenation device for dehydrogenation, and finally, discharging high-purity hydrogen from one outlet after passing through the hydrogen-rich hydrogen storage medium dehydrogenation device. Additional gas purification equipment is not needed, the purification problem of an impurity-containing industrial crude hydrogen source is solved, and high-purity hydrogen meeting the use standard can be output.

The invention provides a rotating disk granulation device and a producing process thereof. The rotating disk granulation device comprises a smelting area, a granulation area and a cooling separation area, wherein a raw material is heated through an intermediate frequency furnace in the smelting area; a rotating disk system is arranged in the granulation area; and the raw material is cooled and formed in the cooling separation area. According to the rotating disk granulation device, the raw material is directly smelted to be fed into a rotating disk; uniform-size metallic balls are formed through the rotating disk; the raw material is directly subjected to induction smelting through the intermediate frequency furnace; and the rate that the raw material is contaminated is reduced. The wholemanufacturing process is completed in high vacuum, so that the product can be prevented from being oxidized; and the product performance is improved.

The invention discloses a distributed photovoltaic energy storage charging system which is applied to a building group in a set range. The system comprises a plurality of fixed photovoltaic devices and photovoltaic devices with fixed installation angles, which are are respectively arranged at positions where solar rays are always not shielded by buildings in the range of the building group; a plurality of movable photovoltaic devices which are arranged to be photovoltaic devices with rotating angles and are respectively arranged at the positions where solar rays are blocked by buildings in therange of the building group; a charging and discharging controller which is in bidirectional connection with the fixed photovoltaic device and the movable photovoltaic device so as to output the electric energy generated by the fixed photovoltaic device and the movable photovoltaic device to an electric load connected with the charging and discharging controller. The occupied land problem can bereduced, the productivity efficiency of the photovoltaic devices is improved, and energy conservation and emission reduction are achieved.

The invention discloses a wind turbine generator set performance-guaranteeing maximum wind energy capturing method based on BLS and a double-layer SMC. The method includes solving a control target forrealizing maximum power tracking of the wind turbine generator; calculating a maximum power tracking error according to an effective wind speed estimation value given by a wind speed estimation modelbased on the BLS; designing the upper and lower bounds of the maximum power tracking error, converting the constrained maximum power tracking error into an unconstrained variable, solving the dynamiccharacteristics of the unconstrained variable, and designing a control signal expression and a control gain updating rate according to the double-layer SMC principle. The method is low in implementation cost, system overshoot and tracking errors can be reduced; meanwhile, the transient and steady-state performance of the system is guaranteed, the mechanical load of a unit transmission chain system can be reduced, the failure rate is reduced, the service life of the unit is prolonged, the implementation process is simple, the practicability is good, and compared with a traditional optimal torque control algorithm, the unit productivity can be improved, and the economic benefits of a wind power plant are increased.

The invention belongs to the technical field of functional fibers, and relates to a negative oxygen ion polyester fiber with a four-leaf-shaped skin-core structure and a preparation method thereof. The composite fiber is composed of a modified polyester/functional additive skin layer and a polyester core layer, wherein the mass ratio of the skin layer to the core layer is 1:1-1:4; and modified polyester in the skin layer is poly(2,5-dihydroxy ethylene terephthalate) resin or poly (2-hydroxy ethylene terephthalate) resin, and functional additives are non-radioactive natural mineral powder withan obvious negative ion generation effect and include but not limited to tourmaline, serpentine and rare earth minerals. Spinning is carried out through a four-leaf skin-core structure special-shapedspinneret plate to obtain the polyester fiber with the four-leaf skin-core structure. The prepared fiber material is good in fiber uniformity due to the fact that the skin layer is the modified polyester and is good in compatibility with the core layer; and in addition, the functional additives are all located on the skin layer with the large specific surface area and can make full contact with air to stably release negative ions. The fiber can be used for human body clothing fabrics or indoor textiles.

The invention relates to a special material for producing a copper and copper alloy mold by an extrusion method, in particular to a special material suitable for an extrusion mold used for extruding a high strength copper alloy. The special material for the extrusion mold comprises the following components in percentage by weight: 42-45% of Ni, 19-21% of Cr, 2.5-3% of Mo, 1.2-1.8% of Mn, 2-2.3% of Ti, 0.1-0.5% of V, 0.003-0.01% of B, not more than 0.08% of C, and the balance of Fe, wherein the content of impurity in the alloy is not more than 0.5%. A copper alloy tubular product which is extruded on an extruder by the extrusion mold made of the material has the service life more than 10 times that of a conventional hot mold steel H13.