Abstract:
본 발명은 수소 분리막 모듈 및 이의 접합방법에 관한 것으로, 평판형의 수소 분리막 모듈 접합시 일회의 접합공정에 의해서 분리막에 영향을 배제한 저온에서 접합하여 모듈화 진행 기술을 제공한다. 단위셀은 대량생산에 용이한 형태의 단품으로 구성되고, 단위셀의 적층수를 증가시켜서 수소분리용량을 향상할 수 있는 모듈 구성 기술에 관한 것이다. 접합면에 금속을 미세입자형태로 코팅하여 접합온도를 낮춤으로서 분리막에 영향을 최소화할 수 있는 기술을 제공한다. 따라서, 수소 투과도가 향상된 초박막분리막이 사용가능하게 되어 타 분리공정대비 경쟁력을 더욱 향상된 기술을 제공한다.
Abstract:
본 발명은 수소분리막 구성을 위한 다공성 금속지지체에 팔라듐계 박막의 코팅방법에 관한 것이다. 보다 상세하게는 팔라듐합금의 박막코팅 공정은, (가) 미려한 플레이트에 산화물계 세라믹 형성단계; (나) 그 상부에 팔라듐 코팅단계; (다) 다공성 금속지지체와 층상으로 적층하는 단계; (라) 상압 수소 분위기에서 소성 단계로 구성된다. 본 발명에 따른 박막 코팅 기술 개발에 따라서, 팔라듐계 합금을 초박막화시킴과 동시에 이를 금속 지지체에 전이시킴으로써, 기존 다공성 금속지지체의 직접 코팅 공정에 비해서, 팔라듐합금의 초박막화를 달성함과 동시에 금속지지체의 표면 조도 확보를 위한 폴리싱 공정의 단순화를 통하여 수소 분리막의 가격경쟁력을 제공한다. 본 발명은 금속지지체의 전처리를 단순화시킨 새로운 개념의 초박막 코팅 기술을 제공한다.
Abstract:
PURPOSE: A method and an apparatus for the gasification of an underground coal layer using microwaves are provided to pyrolyze coal using microwave energy having selective heating properties and a minimum oxidizing agent. CONSTITUTION: A method for the gasification of an underground coal layer using microwaves is as follows. One or more microwaves are supplied to an underground coal layer or dummy(12). An oxidizing agent is supplied to the underground coal layer or dummy. Gas produced from the underground coal layer or dummy is collected through the supplied microwaves.
Abstract:
PURPOSE: An apparatus and method for manufacturing a silicon thin plate are provided to improve the quality of a silicon thin film by optimizing processing parameters and applying INERT gas blowing. CONSTITUTION: A silicon melting part(120) fuses a provided silicon material and forms a silicon molten metal. A silicon melt storing part(130) discharges the silicon molten metal into a melted material with a fixed thickness after storing the silicon molted metal. A lower part transfer substrate is arranged in the lower part of the silicon melt storing part and transfers a discharged silicon melted material. A silicon thin plate formation part(150) cools the silicon melted material and forms an thin plate. The surface temperature of the silicon molted metal is 1300-1400 °C in the silicon melt storing part. The temperature of the lower part transfer substrate is 800-1400 °C. The transfer speed of the lower part transfer substrate is 300-1400 cm/min.
Abstract:
PURPOSE: A method for thin film coating of palladium alloy on a porous metal substrate is provided to minimize the used amount of noble metal when manufacturing a hydrogen membrane by forming a palladium alloy coating layer through a printing process. CONSTITUTION: A method for thin film coating of palladium alloy on a porous metal substrate is as follows. Ceramic oxide is coated on the surface of a flat plate, and palladium alloy is coated on the top. A porous metal supporter is laminated in a layer form. The laminated structure is plasticized in a hydrogen atmosphere so that the palladium alloy is transited to the porous metal supporter.
Abstract:
PURPOSE: An apparatus for modifying hydrocarbon using a micro channel heater is provided to implement a hydrocarbon modifying process using the combustion heat of fuel as energy source for the hydrocarbon modifying process. CONSTITUTION: An air supplying pipe(101), a fuel supplying pipe(103), and a discharging pipe(102) are formed on an upper plate. A raw material supplying pipe and a discharging pipe are formed on a lower plate. An air pre-heating part is installed at the lower side of the upper plate. A modification reacting part includes a modifying plate in which a raw material is in contact with modifying catalyst by being moved to the vertical direction of the modifying catalyst. An upper water path isolating plate passes exhaust gas through the modification reacting part and pre-heated raw material gas.
Abstract:
PURPOSE: A hydrocarbon reforming apparatus is provided to apply the apparatus as a hydrogen producing system with the excellent efficiency by using gas containing hydrogen as fuel. CONSTITUTION: A hydrocarbon reforming apparatus(2000) comprises the following: an air supplying pipe; a fuel supplying pipe including an ignition catalyst; an upper plate(100) including a reformed gas exhaust pipe; a lower plate(250) including the fuel supplying pipe and an waste gas discharging pipe; an air pre-heating unit formed by heating plates mix-combusting air supplied from the air supplying pipe with fuel; an upper water path isolation plate(150) passing through only combusted exhaust gas and reformed gas; a catalyst holder plate; a reformate reaction unit including a reforming plate; and a reformation-preheating unit.
Abstract:
PURPOSE: A mixed catalyst for exhaust gas reduction device of diesel vehicles is provided to improve oxidation efficiency of unburned hydrocarbon, carbon monoxide, nitric oxide and PM(particles in exhaust gas) and to increase capture efficiency of nano carbon particles less than 30nm. CONSTITUTION: A mixed catalyst for exhaust gas reduction device of diesel vehicles comprises: one or two kinds or more of metal oxides selected from Ti, Zr, Si, Al and Ce; a reactive metal complex of tungsten and platinum; beta-zeolite; inorganic binder; and dispersing agents. The average particle diameter of metal oxide is larger than that of the reactive metal complex.
Abstract:
PURPOSE: A silicon substrate for the solar battery and the manufacturing method thereof which is manufactured by directly using the manufacturing device, and this the silicon substrate for the solar battery using the continuous casting method keeps the high - liquid interface formed into the substrate growth direction and vertical direction. CONSTITUTION: The melt region(310) forms the molten silicon. The heating portion(312) heats the melt region. A space of casting part(320) casts the fused silicon to the silicon substrate of the plate type. The transport unit(330) horizontally transfers the solidified silicon substrate.