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公开(公告)号：US20230131798A1
公开(公告)日：2023-04-27
申请号：US18066429
申请日：2022-12-15
发明人： ANDREW KEVIN JONES
摘要： In some aspects, a computer-implemented method of reducing a rate of fouling in a recovery boiler system is provided. A computing device receives boiler operating information for a period of time. The boiler operating information includes boiler operating parameters and a rate of fouling for the period of time. The boiler operating parameters include one or more boiler input parameters. The computing device performs a regression analysis to determine at least one correlation between the boiler operating parameters and the rate of fouling. The computing device causes at least one boiler input parameter to be adjusted based on the at least one correlation to minimize the rate of fouling. In some aspects, a system configured to perform such a method is provided. In some aspects, a computer-readable medium having instructions stored thereon that cause a computing device to perform such a method is provided.
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公开(公告)号：US11635231B2
公开(公告)日：2023-04-25
申请号：US17753433
申请日：2020-09-03
申请人： SL-TECHNIK GMBH
发明人： Thilo Sommerauer
IPC分类号： F24H1/00 , F23B30/00 , F23B10/02 , F23L1/00 , F23L3/00 , F23L9/00 , F23B30/02 , F23H9/00 , F23H15/00 , F24H15/104 , F24H9/28 , F24H1/18 , B03C3/10 , B03C3/76 , F23B60/02 , F23J3/02 , F23J15/02 , F24H9/00 , F24H9/20 , F24H15/281
摘要： A rotating grate for a biomass heating system is disclosed, the grate comprising: at least one rotating grate element; at least one bearing axle, by means of which the rotating grate element is rotatably mounted; at least one cleaning device attached to one of the rotating grate elements, wherein the cleaning device comprises a mass element movable relative to the rotating grate element; wherein the cleaning device is arranged in such a way that, upon rotation of the rotating grate element, an acceleration movement of the mass element is initiated so that the cleaning device exerts a knocking effect on the rotating grate element in order to clean the rotating grate element.
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公开(公告)号：US11592175B2
公开(公告)日：2023-02-28
申请号：US17332894
申请日：2021-05-27
发明人： Mikael Eriksson , Simon F Youssef , Joseph Clay
摘要： An assembly for cleaning a smelt spout includes a cleaning head, a drive rod connected with the cleaning head, and a pneumatic or other drive connected to selectively extend or retract the drive rod. The drive rod may be connected with the cleaning head by a pivotal connection. The cleaning head may be bifurcated. The cleaning head may include a leading edge configured to engage and clean a spout opening from which smelt from a chemical reduction furnace flows to the spout. The assembly may further include a pivot point and, as the drive selectively extends the drive rod, torque about the pivot point produced by the cleaning head and an extending portion of the drive rod rotates the cleaning head downward to engage a smelt spout.
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公开(公告)号：US20220341625A1
公开(公告)日：2022-10-27
申请号：US17753397
申请日：2020-09-03
申请人： SL-TECHNIK GMBH
发明人： Thilo SOMMERAUER
IPC分类号： F24H1/00 , F23B10/02 , F23B30/00 , F23B30/02 , F24H9/00 , F23J15/02 , F23J3/02 , F23B60/02 , F24H9/20 , B03C3/10 , B03C3/76
摘要： A biomass heating system for burning fuel in the form of pellets and/or wood chips is disclosed, the system comprising the following: a boiler with a combustion device, a heat exchanger with a plurality of boiler tubes, wherein the combustion device comprises: a combustion chamber with a rotating grate, with a primary combustion zone and with a secondary combustion zone; wherein the primary combustion zone is enclosed by a plurality of combustion chamber bricks laterally and by the rotating grate from below; wherein a plurality of secondary air nozzles is provided in the combustion chamber bricks; wherein the primary combustion zone and the secondary combustion zone are separated at the level of the secondary air nozzles; wherein the secondary combustion zone of the combustion chamber is fluidically connected to an inlet of the heat exchanger.
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公开(公告)号：US11221139B2
公开(公告)日：2022-01-11
申请号：US16313385
申请日：2017-06-30
摘要： Disclosed is a process for cleaning a boiler, wherein, while fumes are emitted in a combustion chamber of the boiler and circulate up to exchangers of the boiler, an aqueous solution of dissolved magnesium chloride and/or sulfate and/or dissolved calcium chloride is injected into the combustion chamber in the form of droplets which, by vaporization of the water of the aqueous solution, then thermal decomposition, are transformed in the combustion chamber into magnesium and/or calcium oxide particles reacting in the combustion chamber by mixing with molten salts and/or molten oxides, present in the fumes, to crystallize these molten salts and/or to vitrify these molten oxides before these molten salts and/or these molten oxides come into contact with the exchangers. Also disclosed is a device for implementing this process and a boiler equipped with this device.
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公开(公告)号：US20200309370A1
公开(公告)日：2020-10-01
申请号：US16364421
申请日：2019-03-26
申请人： Eric Michel Nadeau
发明人： Eric Michel Nadeau
摘要： A flue pipe clearance device is provided. The flue pipe clearance includes a cap portion dimensioned and adapted to operatively associate with an end of an outbound pipe. The flue pipe clearance device includes an inlet that fluidly communicates to the end of the outbound pipe when the cap portion and outbound pipe are operatively associated. Pressurized gas may be selectively applied to the inlet so as to urge the evacuation of debris or fluids in the outbound pipe through an exhaust end of the outbound pipe.
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7.发明授权公开(公告)号：US09739547B2
公开(公告)日：2017-08-22
申请号：US14649542
申请日：2013-11-25
发明人： Joni Maunula
CPC分类号： F28G15/003 , F23J3/023 , F23M11/042 , G01B11/0616 , G01B11/0625
摘要： An arrangement of a thermal device and a surface reflecting and/or scattering electromagnetic radiation in the inner part of the thermal device. A source of electromagnetic radiation is arranged at a first distance (L1) from the surface, and a detector of electromagnetic radiation is arranged at a second distance (L2) from the surface. The source is configured to emit radiation to the surface, which is reflected and/or scattered from the surface as reflected radiation. The detector receives reflected radiation; and the processing unit determines data dependent on the first and/or second distance by the emitted and reflected radiation. A wall of the thermal device has a window or aperture for emitting an optical signal from the light source to the surface. An electromagnetic distance measurement device measures the thickness or the increase in the thickness of a contamination layer from a thermal device.
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8.发明申请METHODS AND SYSTEMS FOR INHIBITING CRYSTALLINE BUILDUP IN A FLUE GAS DESULFURIZATION UNIT 审中-公开用于抑制烟气脱硫装置中的结晶建筑的方法和系统公开(公告)号：US20170056822A1
公开(公告)日：2017-03-02
申请号：US14839037
申请日：2015-08-28
发明人： BRIAN CLAIR WOODWARD
CPC分类号： B01D53/502 , B01D53/507 , B01D2251/304 , B01D2251/402 , B01D2251/404 , B01D2251/604 , B01D2251/606 , B01D2251/95 , B01D2252/61 , B01D2257/302 , F23J15/04 , F23J2215/20 , F23J2217/50
摘要： Methods and systems for inhibiting buildup of crystalline materials in a flue gas desulfurization (FGD) unit. Crystalline materials can accumulate in FGD units as a byproduct of chemical desulfurization processes and can adversely impact FGD unit function. The systems described in the present application include an FGD unit with one or more selected bacterial strains disposed therein. It is believed that the bacteria may form a biofilm on the surfaces in the FGD and/or form a biosurfactant to inhibit or prevent buildup of crystalline materials in the FGD unit. Methods include inoculating an FGD unit with one or more selected bacteria that inhibit or prevent buildup of crystalline materials in the FGD unit. Methods may include periodic reinoculation of the FGD unit.
摘要翻译： 用于抑制烟道气脱硫（FGD）装置中结晶物质累积的方法和系统。 结晶材料可以作为化学脱硫工艺的副产物积聚在FGD单元中，并可能对FGD单元的功能产生不利影响。 本申请中描述的系统包括其中设置有一个或多个选择的细菌菌株的FGD单元。 据信细菌可以在FGD的表面上形成生物膜和/或形成生物表面活性剂以抑制或防止结晶材料在FGD单元中的累积。 方法包括用一种或多种选择的细菌接种FGD单元，所述细菌抑制或阻止在FGD单元中积累结晶物质。 方法可以包括定期重新接合FGD单元。
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公开(公告)号：US09303870B2
公开(公告)日：2016-04-05
申请号：US13492479
申请日：2012-06-08
摘要： This disclosure may relate generally to systems, devices, and methods for a injecting a solid compound in line with a pressurized fluid, through a sootblower burner or other utility furnace hardware, such that the compound can be delivered to targeted areas on the inside of a utility furnace.
摘要翻译： 本公开可以一般涉及通过吹灰器燃烧器或其他公用设施炉的硬件注入与加压流体一致的固体化合物的系统，装置和方法，使得该化合物可以被输送到内部的目标区域 实用炉
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公开(公告)号：US09279627B2
公开(公告)日：2016-03-08
申请号：US14287495
申请日：2014-05-27
发明人： Danny S. Tandra
摘要： A sootblower having a nozzle that includes one or more deep reaching jets aligned with its respective platen bank to clean slag deposits inset from the leading edge of the platen bank. The nozzle also includes one or more edge cleaning jets substantially angled with respect to the platen bank for cleaning the leading edges of the platen bank. For most applications, the major axis of the sootblower is perpendicular to the major axis of its respective platen bank, resulting in a sootblower with a nozzle having angled and perpendicular jets, referred to as angled-perpendicular nozzles. The jet sizes are selected to balance the opposing components of force perpendicular to the sootblower to avoid the imposition of torque on the lance.
摘要翻译： 具有喷嘴的吹灰器，喷嘴包括一个或多个与其相应的压板组对准的深入射流，以清洁从压板组的前缘插入的熔渣沉积物。 喷嘴还包括一个或多个边缘清洁喷嘴，其基本上相对于压板组成角度，用于清洁压板组的前缘。 对于大多数应用，吹灰器的主轴垂直于其相应的压板组的长轴，导致具有喷嘴的吹灰器具有成角度和垂直的喷嘴，被称为成角度垂直的喷嘴。 选择射流尺寸以平衡垂直于吹灰器的力的相对分量，以避免在喷枪上施加扭矩。
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