ANALÍTICA DE PROCESOS

Sistemas de agua de refrigeración

En una central térmica se necesita un sistema de refrigeración eficaz para transformar el vapor usado después de la turbina en condensado líquido (condensador). Para que el sistema de refrigeración funcione de forma rentable es necesario un complejo tratamiento químico del agua. Las torres de refrigeración son caras en cuanto a inversión y costes de funcionamiento y necesitan un mantenimiento adecuado para evitar costosas paradas de toda la central eléctrica. Los principales problemas son las incrustaciones, la corrosión y el crecimiento biológico de algas y bacterias.

Energía

Datos clave de la aplicación

Sector

Centrales que funcionan en ciclo combinado

Aplicación

3 Aplicaciones (1. Comprobación de oxígeno disuelto DO, 2. Comprobación de pH y conductividad, 3. Comprobación de conductividad) en varios puntos de medición

Parámetros medidos

pH, Cond y ORP

Key Requirements

Scaling, corrosion and biological growth from algae and bacteria.

Acid and biocides in the medium.

Medición en agua de refrigeración

Descripción de la aplicación

Aplicación 1:

Se añade ácido para disolver los carbonatos antes de que puedan bloquear el sistema, controlado por la medición del pH.

Aplicación 2:

Se añade un biocida (por ejemplo, hipoclorito) para evitar el crecimiento de algas y bacterias que bloquearían el sistema, controlado por una medición de ORP.

Aplicación 3:

De vez en cuando, es necesario realizar una "purga". El agua de refrigeración altamente contaminada se sustituirá por agua limpia para reducir la concentración de los productos químicos, controlada por una medición de conductividad.

Utilizando la tecnología Memosens sin contacto e inductiva de Knick, pueden evitarse muchos problemas de mantenimiento derivados de la humedad y la corrosión. La calibración remota de los sensores en el laboratorio y el simple intercambio de sensores a un lado ayudarán a los operarios a hacer funcionar el sistema sin problemas, sin necesidad de realizar una calibración in situ que resulta difícil y requiere mucho tiempo.

Requisitos de la aplicación

Incrustación, corrosión y crecimiento biológico de algas y bacterias.

Ácidos y biocidas en el medio

¿Por qué Knick?
Knick ofrece un amplio sistema modular de accesorios con materiales altamente resistentes a la corrosión y sensores adecuados para estas exigentes condiciones. El uso polivalente de Stratos Multi, permite monitorizar diferentes parámetros con el mismo equipo.

Productos relacionados

stratos_multi_default

Número de producto:

Stratos Multi_default

SE555 Sensor de pH | VP | 425 mm | Ex | Esterilizable | Para medios agresivos

Número de producto:

SE555X/4-NVPN

WA130 SensoGate Portasondas retráctil | Modular | Neumático | Para Uniclean y Unical

Número de producto:

WA130

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En las centrales eléctricas, el agua se utiliza en muchos procesos con requisitos completamente distintos, por ejemplo, para la generación de vapor, la refrigeración y la depuración de gases de combustión.

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No se encuentran productos.

Sistemas de agua de refrigeración

Datos clave de la aplicación

Sector

Aplicación

Parámetros medidos

Key Requirements

Medición en agua de refrigeración

Headline H2

Headline H3

Productos relacionados

Industrias y aplicaciones relacionadas

Folleto sobre la industria energética

cCare

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