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公开(公告)号：US4803959A
公开(公告)日：1989-02-14
申请号：US172709
申请日：1988-03-24
申请人： Ronald E. Sherrick , Dean C. Ackerman , Dean E. Draxton , John C. Matthews , Don W. Smith , John G. Stevens
发明人： Ronald E. Sherrick , Dean C. Ackerman , Dean E. Draxton , John C. Matthews , Don W. Smith , John G. Stevens
摘要： A long retracting sootblower for boiler cleaning of the type having a lance tube which is advanced into and out of a boiler and simultaneously rotated, and having one or more nozzles discharging a jet of blowing medium which trace helical paths. An indexing mechanism is provided to change the positioning of the helical paths traced by the nozzles between successive actuation cycles to minimize boiler erosion and mechanical stress caused by repeated blowing medium impact against surfaces within the boiler. the indexing mechanism includes relatively slidable longitudinal advancement rack sections which cause the engaging pinion gears to index by one or more teeth upon each actuation cycle. A movable rack portion is biased by a compliant element to remain in a normal position until initial advancement of the lance carriage which causes the movable portion to be indexed with respect to the fixed portion of the rack. The movable rack portion returns to its normal position during other periods of the actuation cycle thereby providing said indexing.
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公开(公告)号：US5072616A
公开(公告)日：1991-12-17
申请号：US368082
申请日：1989-06-16
申请人： Ronald E. Sherrick
发明人： Ronald E. Sherrick
IPC分类号： G01F23/02 , G01F23/292
CPC分类号： G01F23/292 , G01F23/02
摘要： A device for determining the level of water and/or steam in a boiler is disclosed. The device is a liquid level gauge (10) of the Blackburn type and utilizes an optical fiber cable (44) to intercept the light that passes in a relatively straight path through a cross passage (16) in the body (12) of gauge (10). Due to the difference in the indices of refraction of steam and water, the optical fiber cable (44) intercepts the light when steam is present in the gauge (10) but does not intercept the light when water is present.
摘要翻译： 公开了一种用于确定锅炉中水和/或蒸汽水平的装置。 该装置是布莱克本型的液位计（10），并且利用光纤电缆（44）来拦截在相对直的路径中通过测量仪（12）的横截面（16）的光 10）。 由于蒸汽和水的折射率的差异，光纤电缆（44）在水表（10）中存在蒸汽时会遮挡光线，但当存在水时不会遮挡光线。
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公开(公告)号：US5585072A
公开(公告)日：1996-12-17
申请号：US379974
申请日：1995-01-27
摘要： A retractable chemical injection device especially adapted for introducing a chemical reactant solution into a large scale combustion device such as a fossil fuel fired boiler. The device incorporates a lance tube mounted to a elongated frame located outside of the combustion device which enables the lance tube to be extended into and retracted from the combustion device flue gas stream. The lance tube carries a plurality of axially distributed discharge nozzles enabling the chemical reactant entrained in an injection carrier to be ejected from the nozzles. The injection device provides for atomization of the chemical reactant solution before the mixture passes into the lance tube which provides the beneficial effects of cooling the lance tube and providing a uniform distribution of the chemical solution to the distributed discharge nozzles. Additional features of the injection device include providing a low emissivity coating for the lance tube to reduce heat transfer to the lance tube and means for adjusting the angular position of the lance tube discharge nozzles in use.
摘要翻译： 一种可伸缩的化学注射装置，特别适用于将化学反应物溶液引入大型燃烧装置如化石燃料燃烧锅炉。 该装置包括安装到位于燃烧装置外部的细长框架的喷枪管，其使得喷枪管能够延伸到燃烧装置烟气流中和从燃烧装置烟气流中缩回。 喷枪管承载多个轴向分布的排放喷嘴，使得夹带在喷射载体中的化学反应物能够从喷嘴喷出。 注射装置在混合物进入喷枪管之前提供化学反应物溶液的雾化，其提供冷却喷枪管的有益效果并且提供化学溶液到分布式排放喷嘴的均匀分布。 注射装置的附加特征包括提供用于喷枪管的低发射率涂层以减少对喷枪管的传热和用于调节在使用中的喷枪管排放喷嘴的角位置的装置。
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公开(公告)号：US5509607A
公开(公告)日：1996-04-23
申请号：US269067
申请日：1994-06-30
CPC分类号： F28G3/16 , B08B9/093 , Y10S239/13
摘要： A lance tube for a sootblower device for cleaning internal surfaces of large scale combustion devices. The lance tube includes two sets of nozzles for ejecting fluid cleaning media. A readily accessible fluid flow restriction device is positioned between the two sets of nozzles and accommodates interchangeable plug elements providing different fluid flow restrictions. One set of nozzles is optimized for steam as the cleaning media whereas the other is designed for ejecting water. This lance tube configuration is especially adapted for selectively ejecting steam or water blowing medium as cleaning requirements dictate.
摘要翻译： 一种用于清洁大型燃烧装置的内表面的吹灰装置的喷枪管。 喷枪管包括两组用于喷射流体清洁介质的喷嘴。 容易接近的流体流动限制装置定位在两组喷嘴之间，并且容纳提供不同流体流动限制的可互换的塞子元件。 一组喷嘴针对作为清洁介质的蒸汽进行了优化，而另一组喷嘴被设计用于喷射水。 这种喷枪管结构特别适用于按照清洁要求来选择性地喷射蒸汽或吹水介质。
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