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公开(公告)号：US20240158709A1
公开(公告)日：2024-05-16
申请号：US18511621
申请日：2023-11-16
CPC分类号： C10L5/363 , C10L5/04 , C10L5/105 , C10L5/14 , C10L5/447 , C10L2290/02 , C10L2290/06 , C10L2290/24 , C10L2290/28 , C10L2290/60
摘要： Pellet products, and associated systems, devices and methods are disclosed herein. A production system can include a heat processing assembly comprising an oven configured to process an input material at a processing temperature of at least 1,000° F. for a processing period to produce processed materials, and a pelletization assembly configured to pelletize at least some of the processed materials and one or more additives to generate the pellets. In some embodiments, individual pellets include two or more of coke, coke breeze, char, biochar, charcoal fines, biochar fines, or carbon-containing materials, and at least one of a binder or a cross-linker. A production method can include receiving an input material, processing the input material at a processing temperature of at least 1400° F. in an oven for a processing period to produce processed materials, and pelletizing at least some of the processed materials with one or more additives to produce the pellets.
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公开(公告)号：US20240059994A1
公开(公告)日：2024-02-22
申请号：US18363465
申请日：2023-08-01
摘要： High quality coke products made in horizontal ovens such as heat recovery, non-recovery or Thompson ovens from an optimized coal blend. The coke products have unique properties such as an oblong shape and improved Coke Strength after Reaction (CSR) and Coke Reactivity Index (CRI) properties.
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3.发明授权公开(公告)号：US11819802B2
公开(公告)日：2023-11-21
申请号：US17843164
申请日：2022-06-17
CPC分类号： B01D53/504 , B01D53/505 , B01D53/68 , B01D53/79 , B01D53/80 , B01D2257/2045 , B01D2257/302
摘要： Systems and apparatuses for neutralizing acidic compounds in flue gases emitted from a heat recovery coke oven. A representative system includes a spray dry absorber having a barrel that includes a plurality of wall plates that form sidewalls of the barrel. The wall plates include a steel plate and a corrosion resistant alloy cladded to the steel plate and the wall plates are oriented such that the corrosion resistant alloy faces toward and is in fluid communication with an interior area of the barrel. The alloy is resistant to corrosion caused by the acidic compounds in the flue gas and can prevent the steel plate from being corroded by these acidic compounds.
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公开(公告)号：US11359146B2
公开(公告)日：2022-06-14
申请号：US16845530
申请日：2020-04-10
发明人： John Francis Quanci , Chun Wai Choi , Mark Ball , Bradley Thomas Rodgers , Tony Amadio , Gary West , Dwayne Johnson
摘要： The present technology is generally directed to methods of decarbonizing coking ovens, and associated systems and devices. In some embodiments, a method of operating and decarbonizing a coking oven can include inserting a charge of coal into the coking oven and heating the coal. The method can further include removing at least a portion of the charge, leaving behind coking deposits in the coking oven. At least a portion of the deposits can be continuously removed from the coking oven. For example, in some embodiments, at least a portion of the deposits can be removed each time a new charge of coal is inserted in the coking oven.
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公开(公告)号：US20210388270A1
公开(公告)日：2021-12-16
申请号：US17155818
申请日：2021-01-22
发明人： Chun Wai Choi , Rajat Kapoor , John Francis Quanci
摘要： The present technology describes methods and systems for an improved quench tower. Some embodiments improve the quench towers ability to recover particulate matter, steam, and emissions that escape from the base of the quench tower. Some embodiments improve the draft and draft distribution of the quench tower. Some embodiments include one or more sheds to enlarge the physical or effective perimeter of the quench tower to reduce the amount of particulate matter, emissions, and steam loss during the quenching process. Some embodiments include an improved quench baffle formed of a plurality of single-turn or multi-turn chevrons adapted to prevent particulate matter from escaping the quench tower. Some embodiments include an improved quench baffle spray nozzle used to wet the baffles, suppress dust, and/or clean baffles. Some embodiments include a quench nozzle that can fire in discrete stages during the quenching process.
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公开(公告)号：US11117087B2
公开(公告)日：2021-09-14
申请号：US16000516
申请日：2018-06-05
摘要： The present technology is generally directed to systems and methods for removing mercury from emissions. More specifically, some embodiments are directed to systems and methods for removing mercury from exhaust gas in a flue gas desulfurization system. In one embodiment, a method of removing mercury from exhaust gas in a flue gas desulfurization system includes inletting the gas into a housing and conditioning an additive. In some embodiments, conditioning the additive comprises hydrating powder-activated carbon. The method further includes introducing the conditioned additive into the housing and capturing mercury from the gas.
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公开(公告)号：US10975311B2
公开(公告)日：2021-04-13
申请号：US14986281
申请日：2015-12-31
发明人： John Francis Quanci , Syed Ahmed , Jake Sarpen , Jonathan Perkins , Jeff Wozek
摘要： The present technology is generally directed to providing beds of coking material to charge a coking oven. In various embodiments, a quantity of first particulate material, having a first particulate size and bulk density, is combined with a second particulate material, having a second particulate size and bulk density, to define a multi-modal bed of coking material. The multi-modal bed of coking material exhibits an optimized bulk density that is greater than an ideal bulk density predicted by a linear combination of the bulk densities of the individual materials.
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公开(公告)号：US10975309B2
公开(公告)日：2021-04-13
申请号：US15281891
申请日：2016-09-30
摘要： A duct intersection comprising a first duct portion and a second duct portion extending laterally from a side of the first duct portion. At least one flow modifier is mounted inside one of the first and second duct portions. The flow modifier is a contoured duct liner and/or the flow modifier includes at least one turning vane. The duct intersection may also include a transition portion extending between the first and second duct portions, wherein the transition portion has a length extending along a side of the first duct portion and a depth extending away from the side of the first duct portion, wherein the length is greater than a diameter of the second duct portion.
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公开(公告)号：US10968393B2
公开(公告)日：2021-04-06
申请号：US15511036
申请日：2015-09-15
摘要： The present technology is generally directed to horizontal heat recovery and non-heat recovery coke ovens having monolith components. In some embodiments, an HHR coke oven includes a monolith component that spans the width of the oven between opposing oven sidewalls. The monolith expands upon heating and contracts upon cooling as a single structure. In further embodiments, the monolith component comprises a thermally-volume-stable material. The monolith component may be a crown, a wall, a floor, a sole flue or combination of some or all of the oven components to create a monolith structure. In further embodiments, the component is formed as several monolith segments spanning between supports such as oven sidewalls. The monolith component and thermally-volume-stable features can be used in combination or alone. These designs can allow the oven to be turned down below traditionally feasible temperatures while maintaining the structural integrity of the oven.
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公开(公告)号：US10920148B2
公开(公告)日：2021-02-16
申请号：US16428014
申请日：2019-05-31
发明人： John Francis Quanci , Parthasarathy Kesavan , Ung-Kyung Chun , Rajesh Kumar Kandula , Mayela Carolina Fernandez , Khambath Vichitvongsa , Jeffrey Scott Brombolich , Richard Alan Mrozowicz , Edward A. Glass
IPC分类号： C10B15/02 , C10B21/10 , C10B25/02 , C10B31/06 , C10B31/08 , C10B37/02 , C10B35/00 , C10B41/00 , C10B31/02 , C10B37/04 , C10B39/06 , C10B31/10 , C10B57/08 , C10B31/00 , C10B57/02 , C10B5/00 , C10B15/00
摘要： The present technology is generally directed to systems and methods for optimizing the burn profiles for coke ovens, such as horizontal heat recovery ovens. In various embodiments the burn profile is at least partially optimized by controlling air distribution in the coke oven. In some embodiments, the air distribution is controlled according to temperature readings in the coke oven. In particular embodiments, the system monitors the crown temperature of the coke oven. After the crown reaches a particular temperature range the flow of volatile matter is transferred to the sole flue to increase sole flue temperatures throughout the coking cycle. Embodiments of the present technology include an air distribution system having a plurality of crown air inlets positioned above the oven floor.
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