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53results about How to "Size specification" patented technology

Method for preparing porcelain granule from waste paper-making sludge

InactiveCN101386524ADifferent apertureDifferent porosityCeramic materials productionClaywaresSludgeCrushed stone
The invention provides a method for preparing porcelain granules by waste paper making sludge, which belongs to the technical field of solid waste treatment and disposal. The method comprises the following steps: mixing and milling, or mixing and granulating the waste paper making sludge, clay and pulverized fuel ash into spherical blank granules; and drying and sintering the spherical blank granules at a temperature of between 1,000 and 1,250 DEG C to produce a porcelain granule product. The method solves the problem of treating mass sludge produced by waste paper making, so that waste materials can be reasonably recycled, and the clay in fragmental stone chippings during the process of crushing construction aggregate can also be recycled, thereby solving the problems of occupying farmland, saving clay resource, and having certain significance for environmental protection. The method has the advantages of simple process and low cost, and is suitable for mass industrial production. The product produced by the method has high rate of finished products and wide application range. The light porcelain granules obtained by the porcelain granule preparation method have the advantages of standard dimension, easy graduation, and accord with national standard in pressure resistance and other indexes.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Lead-acid storage battery and preparation method thereof

The invention provides a lead-acid storage battery. The lead-acid storage battery comprises a housing, a positive electrode plate, a negative electrode plate, a separating plate and electrolyte, wherein the positive electrode plate, the negative electrode plate and the separating plate are arranged in the housing; the electrolyte is injected into the housing; the positive electrode plate comprises a positive electrode plate grid, and positive electrode lead acid layers which cover two surfaces of the positive electrode plate grid; the positive electrode plate grid is prepared from the following components in percentage by weight: 0.05 to 0.2% of calcium, 0.6 to 1.0% of tin, 0.01 to 0.05% of aluminum, and the balance of lead; the negative electrode plate comprises a negative electrode plate grid, and negative electrode lead acid layers which cover two surfaces of the negative electrode plate grid; the negative electrode plate grid is prepared from the following components in percentage by weight: 0.05 to 0.2% of calcium, 0.1 to 0.5% of tin, 0.01 to 0.05% of aluminum, and the balance of lead. The lead-acid storage battery has the advantages of being high in large-current discharging stability, high in low-temperature starting capacity, outstanding in corrosion resistance, long in circular charging-discharging life, and remarkable in comprehensive performances.
Owner:萍乡市天东电器科技有限公司

Preparation method of integral-type vacuum heat insulation and temperature preservation plate

The invention discloses a preparation method of an integral-type vacuum heat insulation and temperature preservation plate, and belongs to the technical field of an outer temperature preservation material for building outer walls. The technical scheme to be solved is that a preparation method of a vacuum heat insulation and temperature preservation plate which has a plate-type core material, has good integrity, is low in air leakage rate, and prevents cold and hot bridge is provided. According to the technical scheme, the preparation method comprises the following steps of: step one, manufacturing a core material plate; step two, loading the core material plate, and step three, vacuumizing and packaging. According to the invention, different from the prior art that the core material is in a powder shape, the plate provided by the invention has the advantages that an inorganic material is synthesized into the plate material, and a special bonding material is adopted for bonding the core material and the packaging layer together, thus the temperature preservation plate has the integrity; the core material plate is adopted and drilled for holding an air absorption agent, the quantity and position are distributed scientifically, and the long-lasting vacuum degree is ensured; and the air leakage rate is lowered by a dual-seal mode.
Owner:陈宏宇

Hand-written character input method and system

The invention discloses a hand-written character input method, which comprises: A, ,performing feature selection on prestored character classes and calculating a template in coarse classification; B, performing feature transformation on the prestored character classes and calculating a template in fine classification; C, acquiring a discrete coordinate sequence of a track point of an input character and adopting a smooth continuous function to adjust the size and shape of the hand-written input character and a centrobaric coordinate value; D, extracting feature to obtain a multidimensional feature vector of the hand-written character; E, selecting partial feature value of the hand-written input character, matching the hand-written input character with the template in coarse classification respectively, and selecting a plurality of candidate character classes with the maximum similarity; and F, performing feature transformation on the hand-written input character, matching the hand-written input character with the sample center of the candidate character classes selected from the template in fine classification, and determining the most similar character classes. The invention also discloses a hand-written character input system. The invention has higher speed of identifying the hand-written input character, and higher identification accuracy.
Owner:GUANGDONG GUOBI TECH

Water-saving type automatic adjusted rock or concrete cylindrical sample manufacturing device

ActiveCN107063802AEasy to adjust the installation spaceImprove limitationsPreparing sample for investigationWater savingControl system
The invention discloses a water-saving type automatic adjusted rock or concrete cylindrical sample manufacturing device. The device comprises a first oil cylinder, a second oil cylinder and a horizontal lead rail; the first oil cylinder is fixedly arranged at one end of the horizontal lead rail along the vertical direction of a cylinder bore; the second oil cylinder is arranged at the other end of the horizontal lead rail along the horizontal direction of the cylinder core; the first oil cylinder arranged in vertical direction can adjust the installing space of a sample and further manufacture the sample at any height as required; the sample is installed through a pressure bearing plate and a rubber plate, and the sample is driven by a coaxial motor, and the polishing is changed from passive to active. Meanwhile, a polishing component driven by the second oil cylinder and crossly glided is further arranged, and the cylindrical samples with different diameters can be manufactured according to difference distances between the polishing component and the sample center; meanwhile, a control system is arranged to accurately automate a supporting base; a cooling water pipe is glided along the vertical slide block so as to save water and energy. The water-saving type automatic adjusted rock or concrete cylindrical sample manufacturing device has the advantages of being simple in structure, and capable of completing the production of the cylindrical sample once, saving time, work and labor.
Owner:SHANDONG UNIV OF SCI & TECH

Method and system for obtaining character matching stencil

The invention discloses a method for obtaining a character matching template, which comprises the following steps: A, acquiring a handwritten character sample of a character class; B, calculating a discrete coordinate sequence; C, adjusting the size and shape of the handwritten character sample and a coordinate value of a gravity center to obtain a regular coordinate sequence of the handwritten character sample; D, carrying out characteristic extraction to acquire a multi-dimensional characteristic vector of the handwritten character sample; E, selecting partial characteristic value from the multi-dimensional characteristic vector of the sample of the character class, and calculating a sample center of each character class to obtain a rough sorted template; and F, calculating a characteristic transformation matrix according to the Fisher criteria, carrying out characteristic transformation for the multi-dimensional characteristic vector of the sample of the character class, recalculating the sample center of each character class, and then carrying out iteration regulation to obtain a fine sorted template. The invention also discloses a system for obtaining the character matching template. The rough sorted template and the fine sorted template obtained by the method improve the accuracy of handwritten character recognition.
Owner:GUANGDONG GUOBI TECH

Assembly type green belt structure and construction method thereof

The invention relates to an assembly type green belt structure and a construction method thereof. The assembly type green belt structure comprises a rectangular foundation, wherein the length of the transverse side of the foundation corresponds to the width of a green belt; corner columns are arranged at the four corners of the foundation, and edge columns are correspondingly arranged at the opposite sides of the foundation; longitudinal plates are respectively connected between the edge columns as well as between the edge column and the corner column; water guide pipelines are arranged at theupper part, corresponding a pavement position of the road structure, of each longitudinal plate and are used for guiding the water at the pavement into the green belt; water drainage holes are formedin the lower part, corresponding to an underground water drainage system of the road structure, of each longitudinal plate and and are used for draining water; a transverse plate is connected betweenthe adjacent corner columns in the transverse direction, and a transverse separating plate is arranged between the adjacent edge columns in the transverse direction; a hole for water passing is formed in the transverse separating plate; a cover plate is overlapped between the top parts of the longitudinal plates at the opposite sides of the foundation. The assembly type green belt structure solves the technical problem of failure to realize quick dredging and drainage due to short-term strong rainfall and rainstorm in the traditional green belt structure.
Owner:JILIN JIANZHU UNIVERSITY

Aqueous dispersion for chemical mechanical polishing

The invention provides an aqueous dispersion for chemical mechanical polishing that can limit scratches of a specific size to a specific number, even with interlayer insulating films with small elastic moduli (silsesquioxane, fluorine-containing SiO2, polyimide-based resins, and the like.). When using the aqueous dispersion for chemical mechanical polishing of an interlayer insulating film with an elastic modulus of no greater than 20 GPa as measured by the nanoindentation method, the number of scratches with a maximum length of 1 μm or greater is an average of no more than 5 per unit area of 0.01 mm2 of the polishing surface. An aqueous dispersion for CMP or an aqueous dispersion for interlayer insulating film CMP according to another aspect of the invention contains a scratch inhibitor agent and an abrasive. The scratch inhibitor may be biphenol, bipyridyl, 2-vinylpyridine, salicylaldoxime, o-phenylenediamine, catechol, 7-hydroxy-5-methyl-1,3,4-triazaindolizine, and the like. The abrasive may consist of inorganic particles, organic particles or organic/inorganic composite particles. The organic/inorganic composite particles may be formed by polycondensation of an alkoxysilane, aluminum alkoxide, titanium alkoxide, and the like in the presence of polymer particles of polystyrene or the like, and bonding of polysiloxane, and the like, on at least the surface of the polymer particles.
Owner:TOSHIBA MEMORY CORP

Rice seedling raising substrate mould pressing production line

The invention discloses a rice seedling raising substrate mould pressing production line. The production line comprises a homogenating unit, a mould pressing forming machine, a dry piece collection and bundling unit and a drying unit which are sequentially connected through a transmission network chain. The homogenating unit comprises a homogenating machine and a slurry pipeline pump, and the slurry pipeline pump conveys slurry evenly stirred by the homogenating machine to a buffering tank; the mould pressing forming machine comprises two mould chambers arranged on the side faces of the transmission network chain; the mould chambers obtain suspension liquid from the buffering tank through a first pipeline pump and convey remaining buffering liquid into the buffering tank through a second pipeline pump; the dry piece collection and bundling unit comprises a network chain collection device and a bundling device, one end of the network chain collection device is connected with the output end of the drying unit, and the other end of the network chain collection device is connected with the input end of the bundling device; the drying unit comprises a drying box and heat-preserving plates on the side faces of the drying box. The production line is high in integrity and good in mould pressing effect, and is a mould plate and mould pressing integrated full-automatic production line.
Owner:JIANGSU HAIJIAN

Method for carrying out load test on bridge support frame by prefabricated parts moved through tractive walking

The invention relates to a method for carrying out load test on a bridge support frame. The method for carrying out load test on the bridge support frame by prefabricated parts moved through tractive walking is characterized by comprising the following steps: firstly placing a template special for loading on a box-beam template on the bridge support frame; installing a plurality of rails on the template special for loading along the longitudinal direction of the bridge support frame; placing gallows frames on the rails, using a tractor to tow the gallows frames to walk to transport the prefabricated parts horizontally to lift and lower the prefabricated parts on the first layer, carrying out load test detection on the bridge support frame and then lifting and lowering the prefabricated parts on the second layer after meeting the requirement; carrying out detection again after completing loading; after test detection meets the requirement, firstly unloading the prefabricated parts on the second layer and then unloading the prefabricated parts on the first layer after all the prefabricated parts on the second layer are unloaded. The method has good reliability and safety, high test efficiency, standard test measurement and high precision of load simulation.
Owner:CHINA FIRST METALLURGICAL GROUP

Preparation method of integral-type vacuum heat insulation and temperature preservation plate

The invention discloses a preparation method of an integral-type vacuum heat insulation and temperature preservation plate, and belongs to the technical field of an outer temperature preservation material for building outer walls. The technical scheme to be solved is that a preparation method of a vacuum heat insulation and temperature preservation plate which has a plate-type core material, has good integrity, is low in air leakage rate, and prevents cold and hot bridge is provided. According to the technical scheme, the preparation method comprises the following steps of: step one, manufacturing a core material plate; step two, loading the core material plate, and step three, vacuumizing and packaging. According to the invention, different from the prior art that the core material is in a powder shape, the plate provided by the invention has the advantages that an inorganic material is synthesized into the plate material, and a special bonding material is adopted for bonding the core material and the packaging layer together, thus the temperature preservation plate has the integrity; the core material plate is adopted and drilled for holding an air absorption agent, the quantity and position are distributed scientifically, and the long-lasting vacuum degree is ensured; and the air leakage rate is lowered by a dual-seal mode.
Owner:陈宏宇

Automatic blade sharpening device with continuous guidable sharpening track and sharpening method

The invention discloses an automatic blade sharpening device with a continuous guidable sharpening track and a sharpening method. In the prior art, blade sharpening is mainly completed manually, efficiency is low, dust exists, harm to the body is large, the sharpening precision is low, and the cutting edge size after sharpening is not standard. The automatic blade sharpening device comprises a foundation frame (1), two cylindrical protrusions are arranged on the upper plane of the foundation frame, grinding wheel devices are installed on the cylindrical protrusions respectively, a rotating platform frame (2) is installed on the foundation frame, a rotating platform (3) is installed on the rotating platform frame, and an inner ring of the rotating platform is meshed with a gear (4); and an outer side vertical plate A (7), an inner side vertical plate A (6), an inner side vertical plate B (9) and an outer side vertical plate B (8) are sequentially fixed to the upper plane of the rotating platform, the outer side vertical plate A and the outer side vertical plate B are each provided with a crank sliding block device, and the inner side vertical plate A and the inner side vertical plate B are each provided with a blade sharpening track groove device. The sharpening method is used for the automatic blade sharpening device with the continuous guidable sharpening track.
Owner:哈尔滨庚祥科技有限公司

Method for preparing porcelain granule from waste paper-making sludge

InactiveCN101386524BDifferent apertureDifferent porosityCeramic materials productionClaywaresEnvironmental resistanceHigh rate
The invention provides a method for preparing porcelain granules by waste paper making sludge, which belongs to the technical field of solid waste treatment and disposal. The method comprises the following steps: mixing and milling, or mixing and granulating the waste paper making sludge, clay and pulverized fuel ash into spherical blank granules; and drying and sintering the spherical blank granules at a temperature of between 1,000 and 1,250 DEG C to produce a porcelain granule product. The method solves the problem of treating mass sludge produced by waste paper making, so that waste materials can be reasonably recycled, and the clay in fragmental stone chippings during the process of crushing construction aggregate can also be recycled, thereby solving the problems of occupying farmland, saving clay resource, and having certain significance for environmental protection. The method has the advantages of simple process and low cost, and is suitable for mass industrial production. The product produced by the method has high rate of finished products and wide application range. The light porcelain granules obtained by the porcelain granule preparation method have the advantages of standard dimension, easy graduation, and accord with national standard in pressure resistance and other indexes.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY
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