摘要:
A fuel treatment device (2) converts a hydrocarbon-containing fuel into a fuel for a fuel cell (3). The fuel treatment device (2) has for this purpose a mixture formation space (7) for forming and processing a mixture of fuel and another component, a reformer (8) for converting the mixture into a synthesis gas and a desulfurization stage (9) for removing sulfur from the synthesis gas or from the mixture. The reformer (8) and desulfurization stage (9) are arranged adjacent to each other in a housing (10) along an axis of the housing (10).
摘要:
A counter current heat exchanger amenable to fabrication from monolithic materials and particularly useful in corrosive and high temperature environments is described. The heat exchanger uses multiple series of holes bored axially through a monolithic material. Axial holes are bored in adjacent flow paths arranged in closely spaced concentric rings. In operation, counter current flow and heat transfer occurs between multiple adjacent axial flow paths. The heat exchanger design is scaleable over a wide range and particularly useful in reactors for the hydrogenation of halosilanes also using cylindrical heating elements. The design enables a small overall reactor size for a given capacity.
摘要:
An electrically heated catalyst apparatus includes a carrier, a pair of surface electrodes, a wiring and a plurality of fixed layers. The carrier is formed of ceramics on which a catalyst is carried. The pair of surface electrodes face each other and are extended in an axial direction of the carrier on an outer peripheral surface of the carrier. The wiring is formed into a pectinate shape and is configured to supply electric power from an outside of the electrically heated catalyst apparatus to the surface electrode. The plurality of fixed layers is configured to fix the wiring on the surface electrode. The electrically heated catalyst apparatus is formed so that the carrier is electrically heated through the surface electrode. Elongation of the wiring is 15% or more.
摘要:
A honeycomb structural body has a honeycomb body and an electrode pair. The honeycomb body has a cell formation part and an outer skin part of a cylindrical-hollow shape. The electrodes are formed on an outer peripheral surface of the outer skin part so that the electrodes face to each other in a diameter direction of the honeycomb body. Each electrode has a reference electrode part formed at a central part of the electrode and one or more outside electrode parts formed at both ends of the reference electrode part. An electrode terminal is formed at the central part of each electrode. The reference electrode parts of the electrodes face to each other. The outside electrode parts of the electrodes face to each other. A thickness of each electrode is gradually decreased from the central part toward the outside of the electrode along the circumferential direction of the honeycomb body.
摘要:
A reactor using honeycomb catalyst is provided for fuel reformation with high activity and heat stability. The reactor comprises a heating tube, a methane gas inlet, a three-way steam inlet and a hydrogen-rich gas outlet. The three-way steam inlet is near to the heating tube for providing heat required for reformation and to reduce power consumption. The heating tube is made of an inconel material so that the overall reaction may be carried out at high temperature. The heating tube is set with a honeycomb carrier of cordierite. The honeycomb carrier is pasted with carbon nanotube and heat-treated to increase internal surface area. The honeycomb carrier has a Pt/CeO2/α-Al2O3 catalyst; is placed in the heating tube; and has honeycomb-pores channels parallel to a main axis of the heating tube.
摘要翻译:提供了一种使用蜂窝催化剂的反应器,用于具有高活性和热稳定性的燃料改性。 反应器包括加热管,甲烷气体入口,三向蒸汽入口和富氢气体出口。 三通蒸汽入口靠近加热管,用于提供改造所需的热量并降低功耗。 加热管由铬镍铁合金材料制成,使得整个反应可以在高温下进行。 加热管设有堇青石蜂窝载体。 将蜂窝状载体与碳纳米管粘贴并进行热处理以增加内表面积。 蜂窝状载体具有Pt / CeO 2 /α-Al 2 O 3催化剂; 放在加热管中; 并且具有与加热管的主轴平行的蜂窝孔通道。
摘要:
A reactor using honeycomb catalyst is provided for fuel reformation with high activity and heat stability. The reactor comprises a heating tube, a methane gas inlet, a three-way steam inlet and a hydrogen-rich gas outlet. The three-way steam inlet is near to the heating tube for providing heat required for reformation and to reduce power consumption. The heating tube is made of an inconel material so that the overall reaction may be carried out at high temperature. The heating tube is set with a honeycomb carrier of cordierite. The honeycomb carrier is pasted with carbon nanotube and heat-treated to increase internal surface area. The honeycomb carrier has a Pt/CeO2/α-Al2O3 catalyst; is placed in the heating tube; and has honeycomb-pores channels parallel to a main axis of the heating tube.
摘要翻译:提供了一种使用蜂窝催化剂的反应器,用于具有高活性和热稳定性的燃料改性。 反应器包括加热管,甲烷气体入口,三向蒸汽入口和富氢气体出口。 三通蒸汽入口靠近加热管,用于提供改造所需的热量并降低功耗。 加热管由铬镍铁合金材料制成,使得整个反应可以在高温下进行。 加热管设有堇青石蜂窝载体。 将蜂窝状载体与碳纳米管粘贴并进行热处理以增加内表面积。 蜂窝状载体具有Pt / CeO 2 /α-Al 2 O 3催化剂; 放在加热管中; 并且具有与加热管的主轴平行的蜂窝孔通道。
摘要:
The invention relates to a method for producing syngas in an alternating operation between two operating modes. The method has the steps of providing a flow reactor; endothermically reacting carbon dioxide with hydrocarbons, water, and/or hydrogen in the flow reactor, at least carbon monoxide being formed as the product, under the effect of heat generated electrically by one or more heating elements (110, 111, 112, 113); and at the same time exothermically reacting hydrocarbons, carbon monoxide, and/or hydrogen as reactants in the flow reactor. The exothermic reaction releases a heat quantity Q1, the electric heating of the reactor releases a heat quantity Q2, and the exothermic reaction and the electric heating of the reactor are operated such that the sum of Q1 and Q2 is greater than or equal to the heat quantity Q3 which is required for an equilibrium yield Y of the endothermic reaction of ≧90%.
摘要:
A counter current heat exchanger amenable to fabrication from monolithic materials and particularly useful in corrosive and high temperature environments is described. The heat exchanger uses multiple series of holes bored axially through a monolithic material. Axial holes are bored in adjacent flow paths arranged in closely spaced concentric rings. In operation, counter current flow and heat transfer occurs between multiple adjacent axial flow paths. The heat exchanger design is scaleable over a wide range and particularly useful in reactors for the hydrogenation of halosilanes also using cylindrical heating elements. The design enables a small overall reactor size for a given capacity.
摘要:
A honeycomb structural body has a honeycomb body and an electrode pair. The honeycomb body has a cell formation part and an outer skin part of a cylindrical-hollow shape. The electrodes are formed on an outer peripheral surface of the outer skin part so that the electrodes face to each other in a diameter direction of the honeycomb body. Each electrode has a reference electrode part formed at a central part of the electrode and one or more outside electrode parts formed at both ends of the reference electrode part. An electrode terminal is formed at the central part of each electrode. The reference electrode parts of the electrodes face to each other. The outside electrode parts of the electrodes face to each other. A thickness of each electrode is gradually decreased from the central part toward the outside of the electrode along the circumferential direction of the honeycomb body.