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1.发明授权
公开(公告)号：US5224857A
公开(公告)日：1993-07-06
申请号：US921117
申请日：1992-07-29
申请人： Thomas J. Schultz , Timothy J. Kuhn
发明人： Thomas J. Schultz , Timothy J. Kuhn
CPC分类号： F27D99/0035 , F27D1/0023 , F27D9/00
摘要： A standard atmosphere furnace constructed of a steel casing formed as a cylinder with fibrous insulation attached is operated as a vacuum furnace. A plurality of radiant, fuel-fired ceramic heat tubes positioned in a centered but circumferentially spaced arrangement provides heat input to the furnace to permit it to operate at high, vacuum associated temperatures. The ceramic tubes are vacuum sealed to the furnace case by an elastomer seal/water jacket arrangement which uses an outboard clamp arrangement to establish a ceramic-to-metal contact to permit thermal cooling and prevent tube-flange movement so that the integrity of the elastomer seal can be maintained. In addition, an articulated joint connector is provided so that the tube can be supported in a pivotable manner permitting thermal movement while reducing tube stress to prolonged tube life.
摘要翻译： 由形成为具有纤维绝缘体的圆筒形的钢壳体构成的标准气氛炉作为真空炉操作。 多个辐射燃料燃烧的陶瓷热管定位在中心但周向间隔开的布置中，提供了对炉的热输入，以允许其在高的真空相关温度下操作。 陶瓷管通过弹性体密封件/水套装置被真空密封到炉壳，其使用外侧夹具装置来建立陶瓷 - 金属接触，以允许热冷却并防止管 - 法兰移动，使得弹性体的完整性 可以保持密封。 此外，提供了一种铰接接头连接器，使得管可以以可枢转的方式被支撑，从而允许热运动，同时减少管应力以延长管寿命。
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公开(公告)号：US4802844A
公开(公告)日：1989-02-07
申请号：US146195
申请日：1988-01-20
CPC分类号： F27B9/2407 , F27B17/0083 , F27D3/0024 , F27D3/026 , F27D5/00 , F27D2003/0044 , F27D2003/0046 , F27D2003/0065 , F27D99/0035
摘要： A retractable, roller hearth for use in an industrial heat treat furnace is disclosed whereby the alloy rollers are retracted from their load bearing position when the furnace heat treat processes are underway thus maintaining the rated load capacity of the furnace. A plurality of guided rail support posts and guided, sealed lift posts accurately assure straight line vertical motion of the refractory base enabling contact between fibrous rope seals to seal the hearth from the cooler, lower portions of the furnace when the hearth is in a raised position.
摘要翻译： 公开了一种用于工业热处理炉的可收回的滚筒炉，当炉热处理工艺正在进行时，合金辊从其承载位置缩回，从而保持炉的额定负载能力。 多个导轨支撑柱和引导密封的提升柱准确地保证耐火基座的直线垂直运动，使得当炉床处于升高位置时，纤维绳密封件之间能够与冷却器，炉子的下部部分密封 。
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公开(公告)号：US5730069A
公开(公告)日：1998-03-24
申请号：US550535
申请日：1995-10-30
IPC分类号： F23N5/00
CPC分类号： F23N5/006 , F23N2025/16 , F23N2033/06 , F23N2035/06 , F23N2035/14
摘要： A method and apparatus are provided to control the burning of a lean hydrocarbon containing gas stream under stable conditions using a combination of control logic and hardware. Temperature within the combustor is controlled by using a plurality of staging valves that adjust the amount of oxygen and auxiliary fuel supplied to the combustor burner. Oxygen level is controlled by using actuated butterfly valves that control the flow of primary air to the combustor. The system has pressure control valves for anticipating and compensating for pressure changes and resulting air flow changes as well as temperature monitors and transmitters for anticipating and correcting temperature drops.
摘要翻译： 提供了一种方法和装置，用于使用控制逻辑和硬件的组合在稳定条件下控制含有贫烃的气流的燃烧。 通过使用多个分级阀来控制燃烧器内的温度，所述多个分级阀调节供应到燃烧器燃烧器的氧气和辅助燃料的量。 氧气水平通过使用致动蝶阀来控制，该蝶阀控制一次空气流向燃烧室。 该系统具有压力控制阀，用于预测和补偿压力变化和导致的气流变化，以及用于预测和校正温度下降的温度监测器和变送器。
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4.发明授权
公开(公告)号：US5163416A
公开(公告)日：1992-11-17
申请号：US739081
申请日：1991-08-01
申请人： Thomas J. Schultz , Timothy J. Kuhn
发明人： Thomas J. Schultz , Timothy J. Kuhn
CPC分类号： F27D99/0035 , F27D1/0023 , F27D9/00
摘要： A standard atmosphere furnace constructed of a steel casing formed as a cylinder with fibrous insulation attached is operated as a vacuum furnace. A plurality of radiant, fuel-fired ceramic heat tubes positioned in a centered but circumferentially spaced arrangement provides heat input to the furnace to permit it to operate at high, vacuum associated temperatures. The ceramic tubes are vacuum sealed to the furnace case by an elastomer seal/water jacket arrangement which uses an outboard clamp arrangement to establish a ceramic-to-metal contact to permit thermal cooling and prevent tube-flange movement so that the integrity of the elastomer seal can be maintained. In addition, an articulated joint connector is provided so that the tube can be supported in a pivotable manner permitting thermal movement while reducing tube stress to prolonged tube life.
摘要翻译： 由形成为具有纤维绝缘体的圆筒形的钢壳体构成的标准气氛炉作为真空炉操作。 多个辐射燃料燃烧的陶瓷热管定位在中心但周向间隔开的布置中，提供了对炉的热输入，以允许其在高的真空相关温度下操作。 陶瓷管通过弹性体密封件/水套装置被真空密封到炉壳，其使用外侧夹具装置来建立陶瓷 - 金属接触，以允许热冷却并防止管 - 法兰移动，使得弹性体的完整性 可以保持密封。 此外，提供了一种铰接接头连接器，使得管可以以可枢转的方式被支撑，从而允许热运动，同时减少管应力以延长管寿命。
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