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    • 1. 发明授权
    • On-line coal flow control mechanism for vertical spindle mills
    • 立式主轴铣床在线煤流控制机构
    • US07549382B2
    • 2009-06-23
    • US11385016
    • 2006-03-20
    • Edward Kenneth LevyHarun BilirgenAly Elshabasy
    • Edward Kenneth LevyHarun BilirgenAly Elshabasy
    • F23K3/02F23K1/00
    • F23K1/00B02C2015/002F23K2201/1006
    • An improved apparatus for on-line coal flow control in vertical spindle mills comprising a plurality of independently adjustable flow control elements and positioning rods that adjust the positioning of those flow control elements. Each flow control element is positioned within the discharge turret of the vertical spindle mill along the outer wall of the discharge turret proximate the entrance to its corresponding coal outlet pipe. The adjustable rods are seated on the side of the discharge turret of the coal pulverizer and are connected to the flow control element horizontally. The flow control elements can be independently rotated by +/−90 degrees about the positioning rod axis, and can also be moved back and forth in the horizontal plane. Therefore, each flow control element has two degrees-of-freedom: rotational and linear displacements. The apparatus improves boiler performance by making it possible to operate the boiler with reduced pollutant levels (e.g. NOx, CO) and increased combustion efficiency.
    • 一种用于垂直主轴铣床中的在线煤流控制的改进装置,包括多个可独立调节的流量控制元件和调节这些流量控制元件的定位的定位杆。 每个流量控制元件位于垂直主轴磨机的排放转台内,沿排气塔的外壁靠近其对应的煤出口管的入口。 可调节的杆位于煤粉碎机的排放转台的侧面,并且水平地连接到流量控制元件。 流量控制元件可以围绕定位杆轴线独立地旋转+/- 90度,并且还可以在水平面中来回移动。 因此,每个流量控制元件具有两个自由度:旋转和线性位移。 该装置通过使得可以以降低的污染物水平(例如NOx,CO)和提高的燃烧效率来操作锅炉来提高锅炉性能。
    • 3. 发明授权
    • On-line coal flow control mechanism for vertical spindle mills
    • 立式主轴铣床在线煤流控制机构
    • US08181584B2
    • 2012-05-22
    • US12456854
    • 2009-06-23
    • Harun BilirgenEdward Kenneth Levy
    • Harun BilirgenEdward Kenneth Levy
    • F23K3/02F23L13/02B02C23/10
    • F23K1/00B02C2015/002F23K2201/1006F23K2201/101F23K2201/30
    • An improved apparatus for on-line coal flow control in vertical spindle mills comprising a plurality of independently adjustable flow control elements and positioning rods that adjust the positioning of those flow control elements. Each flow control element is positioned within the discharge turret of the vertical spindle mill along the outer wall of the discharge turret proximate the entrance to its corresponding coal outlet pipe. The adjustable rods are seated on the side or top of the discharge turret of the coal pulverizer and are connected to the flow control element horizontally or vertically as the case may be. The flow control elements can be independently rotated by +/−90 degrees about the positioning rod axis, moved back and forth in the horizontal plane, and can also be moved up and down in the vertical plane. Therefore, each flow control element has three degrees-of-freedom: one rotational and two linear displacements. The apparatus improves boiler performance by making it possible to operate the boiler with reduced pollutant levels (e.g. NOx, CO) and increased combustion efficiency. Automated computer control of the control surfaces is contemplated.
    • 一种用于垂直主轴铣床中的在线煤流控制的改进装置,包括多个可独立调节的流量控制元件和调节这些流量控制元件的定位的定位杆。 每个流量控制元件位于垂直主轴磨机的排放转台内,沿排气塔的外壁靠近其对应的煤出口管的入口。 可调节的杆位于煤粉碎机的排放转台的侧面或顶部,并且根据情况可水平或垂直地连接到流量控制元件。 流量控制元件可以围绕定位杆轴线独立地旋转+/- 90度,在水平面中前后移动,并且还可以在垂直平面中上下移动。 因此,每个流量控制元件具有三个自由度:一个旋转和两个线性位移。 该装置通过使得可以以降低的污染物水平(例如NOx,CO)和提高的燃烧效率来操作锅炉来提高锅炉性能。 设想控制面的自动计算机控制。
    • 4. 发明申请
    • On-line coal flow control mechanism for vertical spindle mills
    • 立式主轴铣床在线煤流控制机构
    • US20100000450A1
    • 2010-01-07
    • US12456854
    • 2009-06-23
    • Harun BilirgenEdward Kenneth Levy
    • Harun BilirgenEdward Kenneth Levy
    • F23K3/02F23K1/00
    • F23K1/00B02C2015/002F23K2201/1006F23K2201/101F23K2201/30
    • An improved apparatus for on-line coal flow control in vertical spindle mills comprising a plurality of independently adjustable flow control elements and positioning rods that adjust the positioning of those flow control elements. Each flow control element is positioned within the discharge turret of the vertical spindle mill along the outer wall of the discharge turret proximate the entrance to its corresponding coal outlet pipe. The adjustable rods are seated on the side or top of the discharge turret of the coal pulverizer and are connected to the flow control element horizontally or vertically as the case may be. The flow control elements can be independently rotated by +/−90 degrees about the positioning rod axis, moved back and forth in the horizontal plane, and can also be moved up and down in the vertical plane. Therefore, each flow control element has three degrees-of-freedom: one rotational and two linear displacements. The apparatus improves boiler performance by making it possible to operate the boiler with reduced pollutant levels (e.g. NOx, CO) and increased combustion efficiency. Automated computer control of the control surfaces is contemplated.
    • 一种用于垂直主轴铣床中的在线煤流控制的改进装置,包括多个可独立调节的流量控制元件和调节这些流量控制元件的定位的定位杆。 每个流量控制元件位于垂直主轴磨机的排放转台内,沿排气塔的外壁靠近其对应的煤出口管的入口。 可调节的杆位于煤粉碎机的排放转台的侧面或顶部,并且根据情况可水平或垂直地连接到流量控制元件。 流量控制元件可以围绕定位杆轴线独立地旋转+/- 90度,在水平面中前后移动,并且还可以在垂直平面中上下移动。 因此,每个流量控制元件具有三个自由度:一个旋转和两个线性位移。 该装置通过使得可以以降低的污染物水平(例如NOx,CO)和提高的燃烧效率来操作锅炉来提高锅炉性能。 设想控制面的自动计算机控制。
    • 5. 发明授权
    • On-line control of coal flow
    • 煤流在线控制
    • US06966508B2
    • 2005-11-22
    • US10743978
    • 2003-12-23
    • Edward Kenneth LevyHarun BilirgenElshabasi Ali
    • Edward Kenneth LevyHarun BilirgenElshabasi Ali
    • B02C15/00B07B7/08B02C23/08
    • B02C15/00B02C2015/002B07B7/08
    • A system for balancing and controlling the distribution of pulverized coal into multiple equal diameter outlet pipes of coal pulverizers for improving boiler performance. The device includes a plurality of flow control elements, one flow control element for each outlet pipe, all positioned a pre-determined distance upstream of the outlet pipes. Each flow control element is mounted on an independent adjustment mechanism and is thereby adjustable in position relative its corresponding outlet pipe to selectively vary the wake of the downstream coal particulate flow relative to primary air flow. The method of the present invention is practiced by monitoring coal particulate flow at the outlet pipes relative to primary air flow or individual flame characteristics, and then compensating for noted imbalances by selectively adjusting the flow control elements, thereby balancing and controlling the distribution of coal and improving combustion efficiency.
    • 一种用于平衡和控制煤粉分配到煤粉机多个等直径出口管道以提高锅炉性能的系统。 该装置包括多个流量控制元件,用于每个出口管的一个流量控制元件全部位于出口管上游的预定距离。 每个流量控制元件安装在独立的调节机构上,从而相对于其对应的出口管调节位置,以选择性地改变下游煤颗粒流相对于一次空气流的尾流。 本发明的方法是通过监测出口管上相对于一次空气流或单个火焰特性的煤颗粒流动,然后通过选择性地调节流量控制元件补偿所引起的失衡,由此平衡和控制煤的分布, 提高燃烧效率。
    • 6. 发明授权
    • Adjustable flow control elements for balancing pulverized coal flow at coal pipe splitter junctions
    • 可调节的流量控制元件,用于平衡煤管分流器接合处的煤粉流
    • US06789488B2
    • 2004-09-14
    • US10258630
    • 2002-10-24
    • Edward Kenneth LevyAli YilmazHarun Bilirgen
    • Edward Kenneth LevyAli YilmazHarun Bilirgen
    • F23L1300
    • F23K3/02F23K2203/006F23K2203/105F23K2203/201
    • An adjustable device installed at the inlet of conventional junctions/splitters (116) for on-line control of the distribution of coal among the outlet pipes is herein disclosed. The device includes a plurality of flow control elements (60) each positioned upstream of a plurality of flow channels in the riffler (50) for directing coal flow to the outlet pipes. Each flow control element preferably comprises a rounded convex edge leading to straight tapered sides (FIG. 9). The surfaces of the sides may be roughened or textured (63) for promoting turbulent boundary layers (FIG. 9). In addition, conventional fixed or variable orifices may be used in combination with the flow control elements for balancing primary air flow rates. The device allows fine-adjustment control of coal flow rates when used in combination with the slotted riffler, yet it has negligible effect on the distribution of primary air. The combination of the riffler assembly and the coal flow control elements (60) results in closely balanced coal flow. Balanced coal flow is imperative to the optimization of the operation of pulverized coal boiler systems (i.e. reduced pollutant emissions, improved combustion efficiency).
    • 本文公开了一种可调节装置,其安装在常规接合/分离器(116)的入口处,用于在出口管中煤分配的在线控制。 该装置包括多个流量控制元件(60),每个流量控制元件(60)均位于消音器(50)中的多个流动通道的上游,用于将煤流引导至出口管。 每个流量控制元件优选地包括通向直锥形侧面的圆形凸缘(图9)。 侧面的表面可以被粗糙化或纹理化(63)以促进湍流边界层(图9)。 此外,传统的固定或可变孔可以与流量控制元件结合使用,以平衡一次空气流速。 该设备允许在与开槽式混合机组合使用时对煤流速进行微调控制,但对一次空气的分配影响微乎其微。 烟囱组件和煤流控制元件(60)的组合导致煤流量的平衡。 平衡煤流是煤粉锅炉系统运行优化(即降低污染物排放,提高燃烧效率)的必要条件。