CHOSUN REFRACTORIES ENG CO., LTD. (Republic of Korea)
FINETECH CO., LTD. (Republic of Korea)
Inventor
Lee, Jin Keun
Paek, Nam Shin
Yang, Kee Deok
Seong, Hyeok Je
Abstract
The present invention relates to a grate formed by coupling split ceramic blocks and, more specifically, to a grate formed by coupling split ceramic blocks, the grate comprising: a shaft coupling part including fitting grooves formed on opposite sides of one surface thereof; a plurality of ceramic blocks coupled to and being in contact with the one surface of the shaft coupling part so as to configure a main body of a grate; and a coupling frame having ends coupled to the fitting grooves in a state where the ceramic blocks are received in the coupling frame and thus coupling the ceramic blocks to the shaft coupling part. [Representative drawing] figure 3
F23G 5/00 - Methods or apparatus, e.g. incinerators, specially adapted for combustion of waste or low-grade fuels
2.
METHOD FOR MANUFACTURING MANIFOLD INSULATOR FOR MOLTEN CARBONATE FUEL CELL, AND MANIFOLD INSULATOR FOR MOLTEN CARBONATE FUEL CELL MANUFACTURED USING SAME AND HAVING INTAGLIO PART HAVING SPECULAR SURFACE
The present invention relates to a method for manufacturing a manifold insulator for a molten carbonate fuel cell, and a manifold insulator for a molten carbonate fuel cell, which is manufactured using same and has an intaglio part having a specular surface and, more specifically, to a method for manufacturing a manifold insulator for a molten carbonate fuel cell, and a manifold insulator for a molten carbonate fuel cell, which is manufactured using same and has an intaglio part having a specular surface, in which even the intaglio part formed on one surface of the insulator can be subjected to a grinding process to have a specular surface, so as to enable manufacturing of a manifold insulator for a molten carbonate fuel cell, which has an intaglio part having a specular surface, thereby preventing electrolyte from finely flowing from a fuel cell stack along the surface of an insulator to be short-circuited with a manifold.
H01M 8/2485 - Arrangements for sealing external manifolds; Arrangements for mounting external manifolds around a stack
B24B 19/02 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
B24B 57/02 - Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
B24B 55/02 - Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
B24D 3/02 - Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
H01B 19/00 - Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
The present invention relates to an apparatus and a method for punching a film, the apparatus comprising: a conveyor for supporting and conveying, in one direction, a film which is a punching target punched by a metal embossing die; and a cutter for cutting the film conveyed by the conveyor, wherein the film is cut on the conveyor by the cutter. Therefore, the present invention enables efficient implementation of a series of processes of cutting a punching target, and separating and removing chips scattered when the punching target is punched or cut.
B26D 1/04 - Cutting through work characterised by the nature or movement of the cutting member; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
B26D 7/18 - Means for removing cut-out material or waste
B26D 7/26 - Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
B26D 5/20 - Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
B26D 9/00 - Cutting apparatus combined with punching or perforating apparatus or with dissimilar cutting apparatus
B65H 35/06 - Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
The present invention relates to a manifold insulator comprising alumina particles in a first phase and zirconia particles in a second phase, wherein the zirconia particles are dispersed in the alumina particles, and the zirconia particles are located at the triple point of alumina grains. Compared with a conventional manifold insulator made of an alumina material, the manifold insulator of the present invention has an advantage of having remarkably excellent mechanical strength without a deterioration of dielectric breakdown strength.
H01M 8/2485 - Arrangements for sealing external manifolds; Arrangements for mounting external manifolds around a stack
H01B 3/12 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
H01B 19/00 - Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
PUSAN NATIONAL UNIVERSITY INDUSTRY-UNVERSITY COOPERATION FOUNDATION (Republic of Korea)
GLOBAL FRONTIER HYBRID INTERFACE MATERIALS (Republic of Korea)
Inventor
Kim, Kwang-Ho
Kang, Myung-Chang
Abstract
The present invention relates to a blanking die and a method for manufacturing same, the method characterized by treating the other surface of a base plate, which has a blade and a machined groove formed on one surface thereof, and thus forming a chip discharge slot. Therefore, a blanking die can be manufactured in a short time by means of a relatively simple and easy work and thus the cost can be reduced as well.
B23P 15/24 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
B23P 23/04 - Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
C23F 4/00 - Processes for removing metallic material from surfaces, not provided for in group or
B24B 19/02 - Single purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
PUSAN NATIONAL UNIVERSITY INDUSTRY-UNVERSITY COOPERATION FOUNDATION (Republic of Korea)
Inventor
Kang, Myung-Chang
Abstract
The present invention relates to a blanking mold and a method for manufacturing same, the blanking mold comprising: a base plate having a blade protruding on one surface; and a chip discharge guiding unit which comprises a first discharge slot, having a narrower width than the end part of the blade, and a second discharge slot, extending from the first discharge slot toward the other surface of the base plate and having a wider width than the first discharge slot, and forms a path through which chips being cut and removed from an object to be worked by means of the blade are stacked and discharged. Therefore, chips can smoothly be discharged by means of a relatively simple constitution.
PUSAN NATIONAL UNIVERSITY INDUSTRY-UNVERSITY COOPERATION FOUNDATION (Republic of Korea)
GLOBAL FRONTIER HYBRID INTERFACE MATERIALS (Republic of Korea)
Inventor
Kim, Kwang-Ho
Kang, Myung-Chang
Abstract
The present invention relates to a blanking die and a method for manufacturing same, the method characterized by exposing and developing a PR layer formed on the other surface of a base plate, which has a blade and a machined groove formed on one surface thereof, and thus removing the PR layer corresponding to the machined groove formation position, and removing at a fixed thickness the other surface of the base plate from which the PR layer has been removed and thus forming a chip discharge slot. Therefore, a blanking die can be manufactured in a short time by means of a relatively simple and easy work and thus the cost can be reduced as well.
B23P 15/24 - Making specific metal objects by operations not covered by a single other subclass or a group in this subclass dies
B23P 23/04 - Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
The present invention relates to a method for preparing an NaA zeolite separation membrane. The method comprises: wet grinding and centrifuging NaA zeolite seed crystals; coating the seed crystals on the surface of a separation membrane support; adding an Al solution to a Si solution and stirring and aging to prepare a hydrothermal solution; and synthesizing a hydrothermal solution on the separation membrane support having the seed crystals attached thereto to grow the seed crystals, thereby capable of forming a uniform and dense zeolite separation membrane on the surface of the support. Accordingly, the present invention provides a plurality of NaA zeolite separation membranes having high selectivity and high transparency as a module and allows the same to be used with water, thereby eliminating the need for a separation membrane module having other properties and providing an effect of stably separating ethanol and water.
The present invention relates to a β-alumina electrolyte for a sodium secondary battery, and a preparation method therefor and, more specifically, to: a β-alumina electrolyte for a sodium secondary battery, having dense particle precision, excellent strength and improved sodium ion conductivity by using a hot isostatic pressing method; and a preparation method therefor. The present invention prepares a sintered body by using the hot isostatic pressing method, thereby providing the β-alumina solid electrolyte forming a very dense structure having a high density, and thus the present invention can be utilized as a β-alumina solid electrolyte having more excellent physical properties.
The present invention relates to an embossing mold apparatus and a method for preparing a product by means of same. The method comprises the steps of: forming holes on a processed layer, which belongs in a processed film having an adhesive layer formed on the bottom side of the processed layer and comprising a release paper layer adhered to the bottom side of the processed layer, by means of a mold portion; forming an adhesion on the position which corresponds to the holes to be formed on the processed layer; laminating a chip removing release film with the processed layer; and separating the chip removing release film and the processed film from each other, wherein chips are removed by means of the chip removing release film. Therefore, defects can be prevented and a product can be mass produced quickly and efficiently by means of the simple structure.
The present invention relates to an embossing mold apparatus and a method for preparing a product by means of same. The method comprises the steps of: forming an adhesive on the position, on a chip removing release film, corresponding to holes to be formed on a processed film; laminating the chip removing film, on which the adhesive is formed, with the processed film; forming holes on the processed film by means of a mold portion; and separating the chip removing release film and the processed film from each other, wherein chips are removed by means of the adhesive formed on the chip removing release film. Therefore, defects can be prevented and a product can be mass produced quickly and efficiently by means of the simple structure.
The present invention relates to an ethanol dehydration system which has been developed in order to obtain higher purity ethanol using a single type of separation membrane, and not a separation membrane of a different nature, in the process of separating water from ethanol to obtain higher purity ethanol. An ethanol dehydration system for obtaining high purity ethanol by separating water by passing ethanol through a zeolite separation membrane which selectively transmits water comprises: an ethanol feeding pipe line which, when ethanol is supplied by means of a first pump from an ethanol supply tank which stores ethanol therein, allows the ethanol to be supplied by being branched into a plurality of paths, each branched path being provided with a first valve; a plurality of separation membrane modules in which a plurality of LTA zeolite separation membrane tubes are embedded in several bundles, and a pressure gauge capable of measuring the internal vacuum pressure of the LTA zeolite separation membrane tubes is formed, with one branched end of the ethanol feeding pipe line being connected to one side thereof, wherein the plurality of LTA zeolite separation membrane tubes are manufactured in a cylindrical shape by the following method: at least one of an aqueous alkali metal hydroxide solution and an aqueous alkaline earth metal hydroxide solution is added and mixed to an aqueous solution prepared by dissolving an alumina-based raw material, a silica-based raw material and sodium hydroxide dissolved in water, the mixture is aged to thereby obtain an hydrothermal solution, the hydrothermal solution is injected into an hydrothermal synthesizer, a porous support for growing a separation membrane is carried within the hydrothermal solution, and a hydrothermal treatment is performed whereby an ion-exchanged zeolite separation layer is formed on the surface of the support; a water discharge pipe line which is connected to the inside of the LTA zeolite separation membrane tubes in the direction opposite to the pressure gauge of the separation membrane modules and extended, and then the paths connected to the respective separation membrane modules are combined and connected; and an ethanol collection pipe line, the end of which is connected to the other side of the separation membrane modules connected to the ethanol feeding pipe line, and which is connected to the ethanol storage tank via a third valve after the paths connected to the respective membrane modules via a second valve are combined.
B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
C07C 29/74 - Separation; Purification; Stabilisation; Use of additives
The present invention relates to a method for manufacturing a porous alumina tube. The method comprises: a first step for mixing alumina (Al2O3) and a binder at any one of 95:5wt%, 85:15wt%, or 90:10wt% to generate a powder; a second step for adding water to the powder generated in the first step to knead the powder, and vacuum-extruding the kneaded powder; a third step for drying the kneaded powder, which is vacuum-extruded in the second step, through a roller at room temperature for 24 hours; and a fourth step for calcining the composition, which is dried in the third step, at a temperature of 1400°C for 26 to 33.5 hours. The binder includes one composed of 67wt% of sodium carboxymethyl cellulose (CMC), 14wt% of polyvinyl alcohol (PVA), 13wt% of dextrin, 3wt% of oil, and 3wt% of a surfactant. Thus, the binder composed of CMC, MC, PVA, dextrin, oil (serving as a lubricant), and the surfactant is mixed with alumina to compose a filter and a hydrophilic separator through vacuum-extrusion under mild conditions, and thus the present invention can be applied to a dehydration process; is economical and efficient; and can mass-produce porous alumina tubes.
C04B 35/10 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on aluminium oxide
B01D 39/00 - Filtering material for liquid or gaseous fluids
PUSAN NATIONAL UNIVERSITY INDUSTRY-UNIVERSITY COOPERATION FOUNDATION (Republic of Korea)
GLOBAL FRONTIER HYBRID INTERFACE MATERIALS (Republic of Korea)
Inventor
Ryoo, Ki-Taek
Park, Hyung-Geun
Kim, Min-Wook
Kang, Myung-Chang
Abstract
The present invention relates to an asymmetric embossing mold apparatus. An asymmetric embossing mold apparatus according to the present invention comprises: an object including a membrane or film to be delaminated; and an upper mold and a lower mold arranged on an upper side and a lower side of the object, respectively, wherein blades for removing the membrane or film formed on the object protrude in an embossed shape from the lower surface of the upper mold and the upper surface of the lower mold, and the blade has asymmetric opposite sides with reference to a vertical line with respect to the lower surface of the upper mold or the upper surface of the lower mold. By the above configuration, the asymmetric embossing mold apparatus according to the present invention can achieve an easy cutting of a workpiece during a cutting operation and also improve the lifespan of an embossing mold.
The present invention relates to a system for separating and recycling perfluoro compounds, for treating gas containing dust, which is generated in a dry etching process and in exhaust gas generation equipment such as a CVD cleaning chamber and the like which uses or generates perfluoro compounds, the system comprising: an expansion pipe in which exhaust gas generated in at least one exhaust gas generation equipment flows, and the cross-sectional area of a pipe is expanded so as to be tapered, and a buffer tank extended to be long in a vertical direction below the expansion pipe; a horizontal distribution pipe of which one side is connected to the other side of the buffer tank in which the expansion pipe is formed; a plurality of membrane separation filters of which the lower ends are connected to the horizontal distribution pipe and which are extended to the vertical upper portion and provided so as to be spaced from one another at predetermined intervals; an impure gas discharge pipe collecting the impure gas, which does not pass through membrane separations at the plurality of membrane separation filters, and moving the collected impure gas to a re-treatment chamber; a first nitrogen gas recycle pipe in which a first vacuum pump is provided, and which re-separates nitrogen gas, which is sucked in by the first vacuum pump, by an auxiliary membrane separation filter, discharges impure gas to the impure gas discharge pipe, and moves the nitrogen gas so as to allow the nitrogen gas to be recycled; and a second nitrogen recycle pipe in which a second vacuum pump is provided, and which moves nitrogen gas of high purity, which is sucked in by the second vacuum pump, so as to allow the nitrogen gas to be recycled.
F25J 1/00 - Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
B01D 61/00 - Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
B01D 53/46 - Removing components of defined structure
16.
BETA-ALUMINA FOR SODIUM SECONDARY BATTERY SOLID ELECTROLYTE AND MANUFACTURING METHOD THEREFOR
The present invention relates to a beta-alumina for a sodium secondary battery solid electrolyte. More specifically, beta-alumina according to the present invention comprises alumina; sodium oxide; alkali oxide being an oxide of one or more alkali elements selected from the group of alkali metals and the group of alkaline earth metals, excluding sodium; and ytterbium oxide.
An embossing mold according to the present invention comprises: a lower plate having a blade and an air passage hole formed therein, the blade having a predetermined pattern to process an object to be processed, the air passage hole allowing air to flow therethrough to suck and discharge chips cut by the blade; an upper plate located above the lower plate to form an air channel together with the lower plate, the air channel serving as a passage through which air flows to or from the air passage hole; and an ejector-pin that moves upward to open the air passage hole according to an intake of air into the air channel from the air passage hole and moves downward to push and discharge chips to the outside and simultaneously close the air passage hole according to discharge of air out of the air channel to the air passage hole.
The present invention relates to a system for separating and reusing a perfluorocarbon compound, developed so as to effectively separate, discard or reuse a perfluorocarbon compound comprising sulfur hexafluoride, the perfluorocarbon compound being generated primarily during manufacturing of semiconductors. The system, for separating and reusing a perfluorocarbon compound, which handles gas comprising dust generated by discharge gas-emitting installations using or generating perfluorocarbons, such as a dry-etching process and a CVD cleansing chamber, comprises a first dry pump, a pre-processing filter, a membrane separation filter, a nitrogen reuse supply unit, a sulfur hexafluoride reuse supply unit, and a control unit, and thus facilitates separation and removal of a variety of gases and dust comprising perfluorocarbons generated by the electronics industry, and allows reuse of sulfur hexafluoride by separating same from the discharge gas and reprocessing same.
B01D 53/02 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
B01D 53/78 - Liquid phase processes with gas-liquid contact
The present invention relates to a system for separating and reusing a perfluorocarbon compound, developed so as to effectively separate, discard or reuse a perfluorocarbon compound comprising sulfur hexafluoride, the perfluorocarbon compound being generated primarily during manufacturing of semiconductors. The system, for separating and reusing a perfluorocarbon compound, which handles gas comprising dust generated by discharge gas-emitting installations using or generating perfluorocarbons, such as a dry-etching process and a CVD cleansing chamber, comprises a first dry pump, a pre-processing filter, a membrane separation filter, a nitrogen reuse supply unit, a sulfur hexafluoride reuse supply unit, and a control unit, and thus facilitates separation and removal of a variety of gases and dust comprising perfluorocarbons generated by the electronics industry, and allows reuse of sulfur hexafluoride by separating same from the discharge gas and reprocessing same, thereby raising the effectiveness of discharge gas separation.
B01D 53/02 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
B01D 53/78 - Liquid phase processes with gas-liquid contact
B01D 50/00 - Combinations of methods or devices for separating particles from gases or vapours
The present invention relates to a mask, wherein a mask body comprises: a left upper contact hole unit which is combined with a left end of a cover unit, so that left upper contact holes are formed in the vertical direction of the cover unit; a left lower contact hole unit which is disposed on the lower side of the left upper contact hole unit, and is combined with the left end of the cover unit, so that a left string-pulling isolation space is formed in a gap between the left upper contact hole unit and the left lower contact hole unit and that left lower contact holes are formed in the vertical direction of the cover unit; a right upper contact hole unit which is combined with a right end of the cover unit, so that right upper contact holes are formed in the vertical direction of the cover unit; and a right lower contact hole unit which is disposed on the lower side of the right upper contact hole unit, and is combined with the right end of the cover unit, so that a right string-pulling isolation space is formed in a gap between the right upper contact hole unit and the right lower contact hole unit and that right lower contact holes are formed in the vertical direction of the cover unit. According to the present invention, a left string is combined with the mask body in such a manner that the left string passes through the left upper contact holes in the contacted state, is exposed to the left string-pulling isolation space, and passes through the left lower contact holes in the contacted state. Further, a right string is combined with the mask body in such a manner that the right string passes through the right upper contact holes in the contacted state, is exposed to the right string-pulling isolation space, and passes through the right lower contact holes in the contacted state.
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