Advanced causticizing analysis for recovery boilers
Valmet Causticizing Measurement 3500
Optimize white liquor output with the Valmet Causticizing Measurement 3500. Pre-configured recipes and auto-cleaning sensors ensure easy, low-maintenance operation. Featuring 4-electrode technology originally developed by Kemotron, the Valmet Causticizing Measurement 3500 sensors and transmitters are made in Finland to the highest standards. The 4-electrode principle eliminates errors from the polarization effect common at high conductivities.
Reduced lime consumption and higher energy efficiency.
Causticizing sensors with auto-cleaning function
Maximum white liquor plant output
Low maintenance with auto-cleaning option
Designed for applications in the causticizing control area, the Valmet Causticizing Measurement 3500 withstands even the harshest environments. Sensors are built to last 10 years or more, delivering consistently accurate readings.
In addition to standard causticizing sensors, Valmet offers causticizing sensors with built-in auto-cleaning using a special nozzle system. A few minutes of flushing at regular intervals keeps the measuring surfaces clean and reduces the need for maintenance.
Easy installation and calibration
The Valmet Causticizing Measurement 3500 features four setup modes. Setups 1 and 2 are for temperature-compensated conductivity of green and white liquor, while setups 3 and 4 are the same as the Valmet Cooking Liquor Measurement 3400. Each mode has individual settings for temperature compensation, output range, alarms and calibration.
The transmitter is suitable for wall mounting in pulp plant environments. It has two 4–20 mA current outputs, two relays for alarms and control of flushing, a display and a keypad.
For the green liquor analysis, Valmet offers sluice mounted sensor (4375) and for the causticizing tanks either a sensor with autocleaning function (4397) or a sensor with gold electrodes (4327) can be used.
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