汽包

词组短语

steam dome · steam manifold · steam header

与汽包相关的网络例句 [注：此内容来源于网络，仅供参考]

New type of water chemistry for utility drum boiler and its principle and characteristic Two kinds of water chemistry's main principle and characteristic are detailedly analyzed. Against the problem of high eroding speed, high Fe content in feed water and boiler water, high scaling speed, short chemical cleaning interval, needing poisonous chemical deoxidant, etc for drum boiler's deoxidization water chemistry and difficulty of using oxidation water chemistry, a new type of water chemistry is put forward on the basis of analyzing the characteristic of whole power station's water steam cycle system, principle of two kinds of water chemistry and their practical effect in every cycle stage. Considering two water chemistry's merit, a new water chemistry called Limited Oxidation Water Chemistry is put forward, which is a local slight oxidization no-deoxidant water chemistry. And the proposed method's principle, control parameter, applying condition, start-lay up and emergency measures are initially calculated and analyzed.

三、新型汽包炉水化学工况的提出及其原理和特点详细分析了国内外现行两大类水化学工况处理的核心原理和特点，针对现行汽包炉还原性水化学工况处理所存在的系统腐蚀速度相对较大、给水和炉水铁浓度高、锅炉结垢速度快、机组酸洗间隔短、无法避免有毒化学除氧剂的使用以及氧化性水化学工况在汽包炉机组上应用的困难等问题，在详细分析电站整个水蒸汽循环系统的特点、两类水工况处理的原理和对循环中各段处理的实际效果等的基础上，综合两者的优点，提出了一种新型的局部轻微氧化性无除氧剂汽包炉水化学工况－"汽包炉有限氧化性水化学工况"处理原理，并初步计算、分析和确定了该种新型水化学工况的主要工艺控制参数、应用条件、启停与紧急情况处理等。

Air valve should be installed where air could possibly gathers,such as he steam drum,the superheater,the reheater,面式减温器水室,自冷凝联箱,the steam to steam heat interchanger and so on.

9.7.3在汽包、过热器、再热器、面式减温器水室、自冷凝联箱、汽—汽热交换器等可能聚集空气的部位均应装设空气阀。

With convincing data the intercomparison of the performances on PID control,Fuzzy control and P-Fuzzy-PI control is given.

锅炉汽包水位控制系统由汽包、水位变送器、控制器和给水调节阀组成，如图1所示。

In order to ensure the reasonable modeling method for thermodynamics model, by adopting these four kinds of models and the reference model, the typical thermodynamics characteristic in drum-the dynamic process of"false level"were dynamically simulated, the results of simulation indicate: The modeling method of considering the changing rates of pressure and volume simultaneously is more reasonable, it's simulation result can be consistent with the result of the reference model, and the numeric error is within±5%, so, this method can be used to build thermodynamics model of drum level.

为确定合适的热力学模型建模方法，采用这四种模型和参考模型，对汽包中典型的热力学性质-"虚假水位"现象的动态过程进行了动态仿真，结果表明：同时考虑汽包体积变化率和压力变化率的建模方法，其动态仿真结果完全可以正确地跟踪参考模型的仿真结果，并且数值误差在5%以内，故该建模方法可以用来建立汽包水位热力学模型。

Tests on RUNBACK operation status were carried out for 300 MW coal-fired Unit 3 in Zhanjiang Power Plant, and the effects of RB on some main operation parameters, such as combustion efficiency, drum water level, main steam pressure , main steam and reheat steam temperature, are analyzed in this paper.

对湛江电厂3号300MW机组进行了RUNBACK工况试验，并从运行角度分析了RB工况对锅炉燃烧、汽包水位、主汽压力、主汽温度等主控参数的影响，提出了改进意见，可为同类机组成功实现RB功能及同类情况下的事故处理提供参考。

This paper discuss the shell tile score,autogenously cutting,heat department,pressed molding,measure,partnership,longitudinal seam machining,and the setting.

由于大容量电站锅炉汽包的壁较厚，所以在汽包筒节制造时常采用压制成两个半圆瓦片再焊接而成的方法。

According to the manufacture technics order of boiler drum shell ring,detailed discuss the shell ring score,gas cutting,roll manufacture,longitudinal seam assemblage and weld,emendation,heat treatment and so on.

根据锅炉汽包捲制筒节的制造工艺顺序，详细论述了筒节的划线、气割、捲制、纵缝的组装和焊接、校圆及热处理等工序，指出了每步工序的关键技术和经验数据，为相似锅炉汽包捲制筒节的制造工艺提供了可以借鉴的方法。

In order to establish the complete dynamic simulation model for the heat recovery steam generator and develop an advanced drum level controller, the methods of probability and time series were used to analyze the field data on drum level sloshing noise. The mean value of the drum level was removed and the field data was de-trended to get the true sloshing noise. Meantime, the AR model was set up for the drum level sloshing noise, and simulation results show that the model realizes matching simulation of the drum level noise signals in the power spectrum. The model can also match the drum level noise successfully in the time domain.

为建立完整的余热锅炉系统动态仿真模型，并基于此模型开发先进水位控制器，采用概率统计和时间序列分析的方法，对现场采集的汽包水位晃荡噪声信号进行了分析，去除汽包水位均值和趋势以获得真实的汽包水位晃荡噪声，建立了相应的汽包水位晃荡噪声仿真AR模型；模型的仿真结果表明：AR模型从功率谱上对信号数据进行了匹配模拟，且使用该模型作为噪声模块在时域上对汽包水位晃荡噪声信号进行了成功匹配。

Since the turbine-driven feedwater pump failed to regulate directly the drum level of single boiler and problems like pressure overrun of main feedwater pipe existed, DCS was utilized to solve the problems for its features of shared information, powerful configuration functions and easy modification.

在对国电成都热电厂嘉陵2×142MW机组两炉一机单元给水系统控制方式进行分析的基础上，针对运行中出现的汽动给水泵不能直接调节单台锅炉汽包水位及给水母管压力超限等问题，利用分散控制系统信息共享、组态功能强大、修改方便的特点，在不增加硬件设备的情况下，通过软件组态增加了汽动给水泵调节单台锅炉汽包水位调节回路和给水母管超压及欠压保护回路，实现了机组在一炉一机单元运行和两炉一机母管运行2种运行方式下给水自动的合理控制，并解决了给水母管的压力保护问题，提高了机组运行的安全可靠性。

The cycle process of steam-water in drum, downcomer and water wall were simplified reasonably, according to the law of mass conservation and the law of energy conservation, the differential equation model of drum water level dynamic was constructed.

对汽包、下降管、水冷壁内汽水工质循环过程进行合理简化，依据物质及能量守恒定律，建立以微分方程形式描述的汽包水位动态模型。

与汽包相关的网络解释 [注：此内容来源于网络，仅供参考]

Drum barker：鼓式剥皮机

drum armature | 鼓形电枢 | drum barker | 鼓式剥皮机 | drum boiler | 汽包锅炉

bled steam：抽汽

blanket mateials of fusion reactor 聚变堆包层材料 | bled steam 抽汽 | bleed condenser 泄放[排气]冷凝器

DMD: DEMAND：(指令)

DL: DRUM LEVEL(汽包水位) | DMD: DEMAND(指令) | DMP: DAMPER(挡板)

dolphin striker：艏斜桁撑杆

垂杆(帆船) dolphin striker | 艏斜桁撑杆 dolphin striker | 1圆汽包 dome

dome shell：汽包外壳

dome shaped 圆顶的;穹隆形的 | dome shell 汽包外壳 | dome structure 穹隆构造

cross dystopia of muscle and tendon：筋错

cross drum boiler 横鼓式锅炉,横汽包锅炉 | cross dystopia of muscle and tendon 筋错 | cross eddy 横向旋涡

receiver, earpiece：受话器耳承

receiver drum 集汽包 | receiver earpiece 受话器耳承 | receiver element 容器

drum internals：汽包内部装置

2.1.1 汽包技术规范Drum Technical Specifications | 2.1.2 汽包内部装置Drum Internals | 2.2 下水包 Low Water drum

steam dome：汽包

汽鼓 steam drum | 汽包 steam dome | 汽缸 steam cylinder

The steam dome dischargin：汽包排放

给水系统疏水 The watersupply system dredges water | 汽包排放 The steam dome dischargin | 过热器排放及疏水 The overheated device discharges and dredges water