过程分析

燃气蒸汽联合循环发电厂

许多现代发电厂都是燃气蒸汽联合循环发电厂。第一步，燃气轮机发电。燃气轮机排出的热废气被送入带有另一个蒸汽轮机的传统锅炉系统之中，从而确保极高的整体效率。在以上原理示意图中标出了 pH、Cond 和 DO 的测量回路。

能源

主要应用概况

领域

联合运行的发电厂

应用

多个测量回路上的 3 种应用（1. 检查溶解氧（英文：DO），2. 检查 pH 值和电导率，3. 检查电导率）

测量参数

pH、电导率和溶解氧

主要要求

需要在难以接近的角落进行测量，以防止

蒸汽回路中形成沉积物，
损坏管道系统和汽轮机/转子，
形成生物膜。

在锅炉给水、蒸汽和冷凝水中进行测量

应用说明

根据美国电力研究院 EPRI（Electric Power Research Institute）、美国机械工程师协会 ASME（American Society of Mechanical Engineers）、荷兰 NEM（NEM Energy (Siemens)）、德国能源工厂运营商协会 VGB、德国技术监督协会 TÜV 的规范监测锅炉给水极限值

应用的要求

在该过程中必须在很低的测量范围内监测电导率，这对测量技术提出了极高的要求。要监测 pH 值是否保持很窄的值范围。溶解氧是防止回路中发生腐蚀的一个重要指标，腐蚀会造成代价高昂的严重财产损失。
因此，所有三个参数的测量精度是实现高效且无损运行的决定性因素。

为何选择 Knick？
凭借在能源领域多年的过程分析经验、广泛的适用产品（如用于安装导轨的流通式连接件或紧凑型测量变送器）及其设备的多种用途，Knick 能够针对各个测量回路的要求轻松调整解决方案，并且经济高效。

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Company

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Interface Technology

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Process Analytics

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Process Analytics

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3月 2021

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7月 2020

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Launch, Fitting, ARD170

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7月 2020

Process Analytics

Fitting, ARD50, ARD75

导电版模块化浸入式连接件

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4月 2020

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Launch, Transmitters, Stratos Multi

New multiparameter transmitter Stratos Multi

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2月 2018

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Fitting, Sensor

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4月 2017

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MemoRail Modbus

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2月 2017

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Conductivity

High-Precision Conductivity Measurement at Extreme Temperature Differences

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Our Knick multi-parameter analyzers are now available with Profibus and FF interfaces. Even for hazardous areas.

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燃气蒸汽联合循环发电厂

燃气蒸汽联合循环发电厂

主要应用概况

领域

应用

测量参数

主要要求

在锅炉给水、蒸汽和冷凝水中进行测量

相关产品

相关工业和应用

最新博客文章

Uniclean 700 Series - Modular control system for automated sensor cleaning

Knick Austria - direct customer contact in Austria from 2024

Robust WA111 Retractable Fitting Made of Plastic for Highly Corrosive Operating Conditions

成功的聯合專案：尼克公司開發了特殊的塞拉馬特 WA 155 可伸縮配件，用於 SOPAT 的光學探頭

pH and conductivity measurement in vaccine production

Sturdy 2-Electrodes Conductivity Sensor SE625 with Coaxial Electrodes made of Titanium

Sensor Adapter with Lock Function Enables Safe and Thorough Cleaning

Up to six Sensors on one Transmitter Protos II 4400 via Modul MSU4400-180

ACHEMA 2022 - Knick at the world forum for the process industry

Combined pH- and ORP-Sensor SE555X/*-AMSN