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    • 7. 发明申请
    • Determination of supplemental fuel requirement and instantaneous control thereof involving regenerative thermal oxidation
    • 补充燃料需求的确定及其再生热氧化的瞬时控制
    • US20050260103A1
    • 2005-11-24
    • US10416929
    • 2001-12-07
    • Michael TesarAndreas RuhlSteven Zagar
    • Michael TesarAndreas RuhlSteven Zagar
    • F01N3/10F23G5/50F23G7/06F28D17/02G05D23/00
    • F26B23/022F23G5/50F23G7/068F23G2207/101F23G2207/40F28D17/02Y02P70/40
    • A control system for a regenerative thermal oxidizer in which contaminated air is first passed through a hot heat-exchange bed and into a communicating high temperature oxidation (combustion) chamber, and then through a relatively cool second heat exchange bed. The apparatus includes a number of internally insulated, ceramic filled heat recovery columns topped by an internally insulated combustion chamber. Contaminated air is directed into heat exchange media in one of said columns, and oxidation is completed as the flow passes through the combustion chamber. From the combustion chamber, the now clean air flows through another column containing heat exchange media, thereby storing heat in the media for use in a subsequent inlet cycle when the flow control valves reverse. The resulting clean air is directed via an outlet valve through an outlet manifold and released to atmosphere or is recirculated back to the oxidizer inlet. A combustible fuel such as natural gas is added to the inlet-contaminated air prior to its entry into the hot heat exchange column when the contaminant concentration in the contaminated air falls below a predetermined level. The oxidizer is preferably integrated with a web dryer, such that hot aire from the combustion chamber is supplied to the dryer.
    • 一种用于再生式热氧化剂的控制系统,其中污染的空气首先通过热的热交换床并进入连通的高温氧化(燃烧)室,然后通过相对冷却的第二热交换床。 该装置包括多个内部绝缘的陶瓷填充的热回收塔,其由内部绝缘的燃烧室顶起。 受污染的空气被引导到所述塔中的一个中的热交换介质中,并且当流动通过燃烧室时氧化完成。 从燃烧室起,现在清洁的空气流过另一个含有热交换介质的塔,从而将热量存储在介质中,以便在流量控制阀反向时用于随后的进口循环。 所得到的清洁空气通过出口阀通过出口歧管引导并释放到大气中或被再循环回到氧化剂入口。 当污染空气中的污染物浓度低于预定水平时,诸如天然气的可燃燃料在进入热交换塔之前被加入入口污染的空气中。 氧化剂优选与卷筒式干燥器一体化,使得来自燃烧室的热气供应到干燥器。