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本发明涉及燃煤技术领域，具体涉及一种风粉分析调整方法及系统，该方法包括：获取锅炉一次风管的标准风量和标准煤粉浓度；根据所述一次风管的标准风量和标准煤粉浓度得到一次风粉标准比A；获取一次风管风粉数据和锅炉燃烧数据；根据所述一次风管风粉数据和锅炉燃烧数据判断一次风粉均匀等级；根据所述一次风粉均匀等级调整所述一次风粉标准比A。本发明通过判断一次风管进出口的风粉比之差，进而判断一次风粉均匀等级，若均匀则不进行调整，若不均匀则进行调整，保证一次风管的风粉比在一次风粉标准比的范围内，进而避免一次风管分配偏差过大导致制粉系统存在安全风险，进而降低锅炉燃烧效率的问题。

本发明公开了一种火力发电实时动态高效燃烧的调节方法，涉及锅炉燃烧控制技术领域。本发明将锅炉炉膛划分为8至64个燃烧分区，采集激光光路组分数据、声学飞行时间数据、火焰强度数据、风道压差数据和炉后烟气数据，通过带正则项的代数重构和扩展卡尔曼滤波得到分区当量比、分区温度和分区燃尽裕度；在5s至20s的慢环周期内求解约束二次规划，获得总过量空气系数目标、分区当量比目标、过火风分配目标和旋流角目标；在0.2s至1.0s的快环周期内采用交叉限制PID控制和Smith延迟补偿控制分区二次风风门、过火风风门、旋流叶片和燃料分配执行器；在测量投票异常或重构残差超限时，切换至传统交叉限制控制模式，并保持炉膛安全监控和锅炉灭火保护逻辑独立运行。

本发明涉及燃烧器控制技术领域，具体为一种燃烧器点火控制系统及方法，包括控制柜体；柴油供给管路和压缩空气供给管路；两个控制与执行组件，两个所述控制与执行组件分别用于控制所述柴油供给管路和压缩空气供给管路；所述柴油供给管路和压缩空气供给管路均包括通过管道依次连接的截止阀、过滤器、仪表阀门一、电动控制阀、调压阀、仪表阀门二、单向阀。该燃烧器点火控制系统及方法，通过设置两个控制与执行组件，可以实现点火过程中柴油和压缩空气供给的精准调控，提高控制精度，进而显著提升点火成功率与运行安全性。

本实用新型公开了一种燃烧炉温度控制组件，包括安装于燃烧炉箱体外侧的燃烧机，所述燃烧炉箱体上安装有用于对燃烧炉箱体内部温度识别的温度传感器，还包括设置于燃烧炉箱体上的用于对燃烧机牵拉的牵拉组件，所述牵拉组件包括安装筒，所述安装筒的一端与燃烧炉箱体之间设置有用于辅助安装连接的安装组件，所述安装筒上通过滑动组件滑动连接有牵拉杆。本实用新型的一种燃烧炉温度控制组件，燃烧炉在使用的过程中，通过燃烧机与温度传感器的相互配合，实现对燃烧炉内部燃烧温度的控制操作，而在温度控制的过程中，通过牵拉组件，对使用过程中的燃烧机进行牵拉，避免燃烧机在供热的过程中发生倾斜，保证对燃烧炉的稳定温度控制操作。

A heating device (1) is proposed which comprises a conveying device (2) for conducting combustion air to a burner (3) a Venturi device (15) located downstream of the conveying device (2) and a gas valve (5) connected to a gas supply (8). A control line (17) is connected downstream of the Venturi device (15) to the gas valve (5) with respect to the flow direction (16) of the heating device (1) and the gas valve (5) is configured to adjust the fuel gas flow to the reference pressure of the control line (17). The heating device (1) allows an extended modulation range which in particular enables the heating device (1) to operate at high power levels. (Automated translation with Google Translate without legal value)

Component with bus termination. A component (3, 4, 7 - 9, 13, 27) for a combustion appliance such as an appliance having a boiler, the component (3, 4, 7 - 9, 13, 27) comprising an outer surface and a tangible, electric interface (30, 32, 35, 36) configured to be electrically connected by a user such that the tangible, electric interface (30, 32, 35, 36) is in a short circuit condition and configured to be electrically disconnected by the user such that the tangible, electric interface (30, 32, 35, 36) is open circuit condition; wherein the tangible, electric interface (30, 32, 35, 36) is arranged on the outer surface of the component (3, 4, 7 - 9, 13, 27) such that the tangible, electric interface (30, 32, 35, 36) is accessible to the user; the component (3, 4, 7 - 9, 13, 27) comprising first and second bus wires.

The present invention discloses a gas valve with an adjustable low-flow channel. The gas valve includes: a valve body, where a gas inlet cavity, a transition cavity, and a gas outlet cavity which are sequentially connected are formed in the valve body, and the valve body includes a gas outlet communicated with the gas outlet cavity; a push rod, arranged in the gas outlet cavity and capable of linearly moving along an axial direction of the gas outlet cavity; a solenoid valve, arranged at one end of the valve body close to the gas inlet cavity. The solenoid valve includes a valve core capable of linearly moving along an axial direction of the gas inlet cavity and a sealing block connected to the valve core. The sealing block is configured to separate the gas inlet cavity from the transition cavity. A first sealing ring configured to hermetically engage with the push rod is arranged in the valve body, and the first sealing ring is configured to separate the transition cavity from the gas outlet cavity. A low-flow gas channel communicating the transition cavity and the gas outlet is formed in the valve body. A low-flow adjusting rod is arranged in the low-flow gas channel, and a flow gap is formed between the low-flow adjusting rod and an inner wall of the low-flow gas channel. The low-flow adjusting rod is movably arranged in the low-flow gas channel to adjust a size of the flow gap.

FIELD: energy.SUBSTANCE: method for detecting and compensating low gas pressure of a gas water heater includes: a calculation step, at which the combustion output power is calculated by means of the combustion temperature determined by a temperature sensor, and the calculated combustion output power is compared with a reference combustion output power; a comparison step, at which the electricity voltage level corresponding to the flame state is determined, and said electricity voltage level corresponding to the flame state is compared with a reference electricity voltage level corresponding to a reference flame state when the calculated combustion output power is less than the reference combustion output power; and an adjustment step, at which the amount of supplied air is regulated when the electricity voltage level corresponding to the flame state is less than the reference electricity voltage level corresponding to the reference flame state.EFFECT: easy and accurate determination of gas pressure changes, stable support of the air ratio in accordance with gas pressure changes and accurate determination of the flame state.12 cl, 7 dwg

Vorgeschlagen wird ein Verfahren zum Betreiben eines Heizgerätes (1) aufweisend eine Fördereinrichtung (2) zum Fördern eines Verbrennungsgemisches aus Brenngas und Verbrennungsluft zu einem Brenner (3) und ein Gasventil (5) umfassend eine Offset-Einstellung (24) zum Steuern einer Durchflussmenge Brenngas mit einem Aktuator (25) zur Betätigung der Offset-Einstellung (24), wobei das Verfahren zumindest die folgenden Schritte umfasst: a) Initiieren einer Inbetriebnahme des Heizgeräts (1), b) Ermitteln eines virtuellen Verbrennungsluftverhältnisses λV(t) während der Inbetriebnahme in Schritt a), c) Feststellen einer Differenz (28) zwischen dem in Schritt b) ermittelten virtuellen Verbrennungsluftverhältnis λV(t) und einem vorgegebenen Verbrennungsluftverhältnis λZ, d) Ermitteln eines dynamischen Offset-Wertes (29) und eines entsprechenden Stellsignals für den Aktuator (25) der Offset-Einstellung (24) des Gasventils (5), bei dessen Anwendung die in Schritt c) festgestellte Differenz (28) ausgeglichen wird, und e) Betätigen des Aktuators (25) der Offset-Einstellung (24) des Gasventils (5) mit dem Stellsignal aus Schritt d).

本发明涉及一种用于识别在加热设备(1)的鼓风机(4)中存在液体(15)的方法，该加热设备通过空气和燃气的混合物运行，混合物由鼓风机(4)输送给燃烧器(2)，其中，在从加热设备(1)启动起经过可预定的时间间隔时测量至少一次用于表征鼓风机(4)的功能的至少一个物理量，并与经验值和/或校准数据进行比较，并且与经验值和/或校准数据的偏差(d1、d2、d3)达到可预定的量时将该偏差评估为鼓风机(4)中的液体(15)的指示。相应的装置具有控制和调节单元(5)，以用于借助脉宽调制电流加速鼓风机(4)以及处理鼓风机(4)的转速(D)的所测量到的实际值，其中，在控制和调节单元(5)中存在比较器(12)，该比较器(12)被设置成将转速(D)和/或脉宽调制电流的脉宽与所存储的经验值进行比较，并且在偏差(d1、d2、d3)达到可预定的量时触发报警或故障消息。本发明实现在加热设备中没有附加仪器的情况下及早且可靠地确定在鼓风机中存在液体并由此防止随后的损坏。