ETA Process Instrumentation - since 1971

ETA Process Instrumentation -- Since 1971

ETA Associates merged with Process Instrumentation Inc. as of 9/1/2011. Visit our sister companies: Safety Inc and iFacility Service.

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Ametek Process Instruments LAND  Analyzers                     
LAND, an AMETEK Company, designs and manufactures a range of gas analyzers for monitoring combustion efficiency, pollutant emissions, opacity, dust and particulate matter concentration, coal fire detection and gas turbine blade temperatures.
Ametek Land Lancom 200 Portable Monitor

Lancom 200 Portable Monitor                     Download printable brochure

For monitoring:

  • Cold-end acid corrosion
  • Combustion efficiency
  • Fuel additive optimisation
  • ESP efficiency
  • Acid smut and aerosol emissions
  • Toxic Release Inventory (TRI)

Benefits of Sulfuric Acid Dew Point Monitoring

In order to maintain the operating efficiency of coal or oil-fired boilers, it is important to know that the temperature of the exhaust gas is above the sulfuric acid dewpoint temperature (ADT).

If it is much higher than the sulfuric acid dew point temperature, then energy is wasted heating the gas and efficiency drops. Operating the boiler at temperatures below the sulfuric acid dew point temperature will result in the formation of sulphuric acid inside the boiler and particularly on the 'colder' parts of the plant.

Sulfuric Acid Dew Point Temperature monitoring ensures that the optimum point is maintained - just above the sulphuric acid dew point - where no sulfuric acid is being formed, but efficiency is maximized.

LANCOM 200 - Portable Sulfuric Acid Dew Point Monitor

It is designed specifically for plant requiring only periodic monitoring of the sulfuric acid dewpoint temperature for boiler efficiency checks, corrosion protection and evaluation of the effectiveness of corrective measures such as fuel additives and changes in the combustion conditions.

  • Manage the use of high cost fuel additives such as MgO
  • Monitor SO3 slip within an ESP to improve ash collection efficiency, whilst minimizing acid aerosol emissions
  • Prevent air heater fouling
  • Reduce maintenance caused by cold-end corrosion, by maintaining the exit gas above the acid dew point temperature
  • Monitor acid aerosol emissions (H2SO4 / SO3)
  • Monitor and reduce acid smut emissions
Features
  • Measure sulfuric acid dew point temperature - a unique but vital measurement
  • Key process parameters measured and calculated - essential information
  • Easy to use precise control - obtain a reading in a matter of minutes
  • Lightweight and robust
  • Data logging - capture and store up to 10,000 readings
  • Simple field maintenance

Applications

  • Oil-fired boiler systems
  • Coal-fired boiler systems
  • Oil burning backup systems
  • Ore-emulsion-fired boiler systems
  • Diesel-fired boiler systems
 
Parameter How it is measured / determined
Sulfuric acid dewpoint temperature Sensor temperature at constant current
Flue gas temperature Measured using a probe-mounted thermocouple
Ambient temperature Measured using a temperature sensor in the probe handle
SO3 concentration Calculated from the H2SO4 concentration, water vapour concentration and flue gas temperature
H2SO4 concentration Calculated from the acid dewpoint temperature and the water vapour concentration
Toxic Release Inventory (TRI) Mass flow of H2SO4 emissions
Minimum Metal Temperature (MMT) Acid dewpoint temperature plus a user-adjustable offset
Rate of acid build-up (RBU) Corrosive potential of the flue gas at temperature below the acid dewpoint temperature, plotted on a graph
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ETA Process Instrumentation, 119 Foster Street, Bldg. 6, Peabody, MA 01960 • (978) 532-1330 or sales(a)etapii.com
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