BOILER FACILITY AND OPERATING METHOD THEREOF

    公开(公告)号:US20190203927A1

    公开(公告)日:2019-07-04

    申请号:US16331721

    申请日:2017-07-27

    Inventor: Sung-Ho HONG

    Abstract: A boiler facility includes a boiler having a combustion chamber in which a burner is installed, a fuel pipe for supplying fuel to the burner, an air duct for supplying air sucked by a blower to the boiler, an oxygen supplier having an oxygen pipe connected to the air duct and a flow rate controller provided in the oxygen pipe, and a control unit. The control unit sets an air amount that is smaller than the reference air amount for burning the fuel, and controls the blower so that the set air amount is supplied to the boiler. Further, the control unit sets an oxygen amount for fuel combustion, and controls the flow rate controller so that the set oxygen amount is supplied to the air duct.

    Efficient valve position controller for use in a steam turbine power
plant
    2.
    发明授权
    Efficient valve position controller for use in a steam turbine power plant 失效
    用于汽轮机发电厂的高效阀门位置控制器

    公开(公告)号:US4178762A

    公开(公告)日:1979-12-18

    申请号:US889764

    申请日:1978-03-24

    CPC classification number: F22B35/06 F01D17/18 F01K13/02 F05D2220/50

    Abstract: An efficient valve position controller adapted for use in a steam turbine power plant for efficiently positioning a plurality of steam admission valves to substantially effect a desired power generation level is disclosed. The power plant includes a boiler for generating steam to the turbine at a boiler throttle pressure that is governed by a pressure set point; a valve control means which is governed by a reference signal corresponding to the desired power generation level to position the plurality of steam admission valves in a state according to a predetermined valve positioning pattern based on the value of the reference signal; and an electrical generator driven by the steam turbine to generate electrical energy. A plurality of values of the reference signal are predetermined as being related to efficient valve position states for regulating steam admission to the turbine. The controller adjusts the pressure set point at a desired rate and in a direction as determined by the difference between a selected one of the predetermined values and a present value of the reference signal. Accordingly, the reference signal is modulated as a function of the pressure set point adjustment until the reference signal is substantially equal to the selected value at which time the reference signal is governing the valves substantially at an efficient valve position state and further pressure set point adjustment is inhibited. In addition, when the reference signal becomes equal to a predetermined threshold value which is indicative of the steam admission valves being substantially wide open, the pressure set point is adjusted to a preset value.

    Abstract translation: 公开了一种适用于汽轮机发电厂的高效率阀门位置控制器,用于有效地定位多个蒸汽入口阀,从而基本上实现了所需的发电量。 发电厂包括锅炉,其以由压力设定点控制的锅炉节流压力向涡轮机产生蒸汽; 阀控制装置,其由对应于期望发电水平的参考信号控制,以基于参考信号的值根据预定的阀定位模式将多个蒸汽进入阀定位在状态; 以及由蒸汽轮机驱动以产生电能的发电机。 参考信号的多个值被预先确定为与用于调节进入涡轮机的蒸气的有效的阀位置状态有关。 控制器以期望的速率和由所选择的一个预定值与参考信号的当前值之间的差确定的方向来调节压力设定点。 因此,参考信号被调制为压力设定点调整的函数,直到参考信号基本上等于所选择的值,此时参考信号基本上控制阀处于有效的阀位置状态,并且进一步的压力设定点调整 被抑制。 此外,当参考信号变得等于表示蒸汽进入阀基本上敞开的预定阈值时,压力设定点被调整到预设值。

    Steam generator
    3.
    发明授权
    Steam generator 失效
    蒸汽发生器

    公开(公告)号:US4080789A

    公开(公告)日:1978-03-28

    申请号:US726068

    申请日:1976-09-24

    Applicant: Dieter Frei

    Inventor: Dieter Frei

    CPC classification number: F22D5/26 F22B35/06

    Abstract: A line is connected to a branch point between the gas-heated preheater and evaporator to deliver heated feed water to the supply tank while control valves are placed in the feed line to the preheater and the line to the supply tank. These valves are controlled by a temperature measuring means adjacent the branch point. If the measured temperature increases, the flow of feed water to the preheater increases.

    Abstract translation: 线路连接到气体加热的预热器和蒸发器之间的分支点,以将加热的给水输送到供应罐,而控制阀被放置在预热器的供给管线和供应罐的管线中。 这些阀由邻近分支点的温度测量装置控制。 如果测量的温度升高,则预热器的给水流量增加。

    Fire control system
    4.
    发明授权
    Fire control system 失效
    消防系统

    公开(公告)号:US3726474A

    公开(公告)日:1973-04-10

    申请号:US3726474D

    申请日:1970-12-28

    Applicant: NEAL F

    Inventor: DEVOE A

    CPC classification number: F22B37/42 F22G5/02 Y10T74/2102

    Abstract: This invention is an assembly for automatically controlling the fire size of an oil burner, the fire size being regulated in response to the signal of boiler steam pressure over a wide pressure range. The signal is transmitted through a steam pressure gauge line and an electronic pulsor to a driving motor, which actuates the present assembly. This assembly includes a shaft driven by a motor, on which shaft valve control members are mounted for regulating the amount of oil and an atomizing agent which are mixed together to control the fire size in a range from low fire to high fire. Each valve control member includes an adjustable camming surface, selected portions of which are in contiguous engagement with a floating cam roller which actuates a valve plunger for controlling the opening and closing of each valve through which oil and the atomizing agent pass.

    Abstract translation: 本发明是一种用于自动控制油燃烧器的火焰尺寸的组件,其火焰尺寸是根据锅炉蒸汽压力在宽压力范围内的信号来调节的。 信号通过蒸汽压力表线和电子脉冲传递到驱动电动机,其驱动本组件。 该组件包括由马达驱动的轴,其上安装有用于调节油量的轴阀控制构件和混合在一起的雾化剂,以在低火到高火的范围内控制火焰尺寸。 每个阀门控制构件包括可调整的凸轮表面,其选定部分与浮动凸轮辊连续接合,该浮动凸轮辊致动阀柱塞,用于控制油和雾化剂通过的每个阀的打开和关闭。

    Boiler facility and operating method thereof

    公开(公告)号:US10731846B2

    公开(公告)日:2020-08-04

    申请号:US16331721

    申请日:2017-07-27

    Inventor: Sung-Ho Hong

    Abstract: A boiler facility includes a boiler having a combustion chamber in which a burner is installed, a fuel pipe for supplying fuel to the burner, an air duct for supplying air sucked by a blower to the boiler, an oxygen supplier having an oxygen pipe connected to the air duct and a flow rate controller provided in the oxygen pipe, and a control unit. The control unit sets an air amount that is smaller than the reference air amount for burning the fuel, and controls the blower so that the set air amount is supplied to the boiler. Further, the control unit sets an oxygen amount for fuel combustion, and controls the flow rate controller so that the set oxygen amount is supplied to the air duct.

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