MEASURING ACID DEWPOINT TEMPERATURE TO IMPROVE EMISSIONS AND EFFICIENCY
Measurements of the Acid Dewpoint Temperature (ADT) are important for combustion efficiency, environmental compliance and process optimisation on a variety of coal and oil-fired processes. The Lancom 200 portable analyser provides valuable tools for ADT measurement.
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STRENGTHENING PLANT SAFETY IN COAL GRINDING MILLS AND STORAGE SILOS WITH CARBON MONOXIDE MONITORING
Risks of unwanted combustion – potentially causing injury, damage and downtime – occur everywhere that coal is handled, processed or stored. Safe coal handling practices are designed to ensure that the fuel remains intact throughout its journey from the mine until the point at which it is ignited in the boiler.
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ADVANTAGES OF THERMAL IMAGING FOR EFFECTIVE FLARE STACK MONITORING
Flare stacks are used in the chemical and petrochemical industries to safely dispose of excess gases through combustion. These may be unwanted waste gases, or flammable gases released to prevent unplanned over-pressurising of plant equipment. Simply venting these untreated hydrocarbons into the air creates an environmental hazard.
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TEMPERATURE MEASUREMENT IN METAL REHEAT FURNACES
Reheat furnaces bring cold metal to the correct temperature for rolling, extruding or forging. For optimum quality, and to reduce wastage, the temperature should be uniform throughout the product, which requires accurate temperature monitoring.
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COKE OVEN TEMPERATURE MEASUREMENT
High-quality metallurgical coke is a vital raw material for iron and steel production, affecting the furnace operation and standard of the hot metal. It is produced by heating coal in a coke oven in the absence of oxygen. Both the quality and quantity of coke, as well as the lifespan of the oven, depend upon uniform temperature levels, so these require close monitoring.
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CRITICAL MEASUREMENTS IN CEMENT MANUFACTURE
Temperature monitoring across the manufacturing process is essential to support process efficiency and cement product quality. It can also help to prolong the life of the kiln through early detection of refractory issues or insufficiently quenched clinker, which could lead to production stoppages if left unchecked. Monitoring solutions also support safety and emissions control.
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TEMPERATURE MEASUREMENT IN GLASS TEMPERING
Tempered glass – sometimes called toughened or safety glass – is glass which has been heat-treated and then rapidly cooled, in a controlled manner, in an air quench section. This process makes the glass much more resilient than plain flat glass.
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BLAST FURNACE, STOVE DOME AND HOT BLAST MAIN
The quality and composition of iron produced in the blast furnace is directly related to the hearth temperature. This, in turn, is dependent on the temperature of the hot blast delivered from the blast furnace stoves. To maximise the efficiency of the stoves, they are operated at high temperatures, close to the safe working limit of the refractories. This makes it critical to carefully monitor the stove temperature.
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TEMPERATURE MEASUREMENTS OF THE LADLE FREEBOARD
For safety and efficiency, it is essential to monitor the steel level as the ladle is filled with molten metal. This is accomplished by measurements of the ladle freeboard, the area of the ladle between the top edge and the surface of the molten metal inside it.
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GLASS TANK REFRACTORY MONITORING
The condition of glass furnace refractories is vitally important to safety and process efficiency, especially
towards the end of the life of the tank. Deterioration of the refractories can increase fuel costs, and may
cause glass break-outs or refractory failure.
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NON-CONTACT TEMPERATURE MEASUREMENT SOLUTIONS FOR THE SOLAR AND SILICON INDUSTRIES
The manufacture of silicon products for the photovoltaic and electronics industries requires accurate, reliable temperature measurements to ensure consistent quality and process efficiency. This is increasingly important as demand for these products grows.
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TEMPERATURE MEASUREMENT IN THE AIR-COOLING ZONES DOWNSTREAM OF THE LEHR ON A FLOAT GLASS PLANT
Accurately measuring and controlling the cooling rates along the length of the glass ribbon and thermal profile across the width within the annealing lehr is common practice. However, with ever-increasing demand for quality, measuring and controlling the cooling rates in the air-cooling zones is becoming necessary to attain the float glass quality during the production of glass that is thinner or thicker than standard glass (window glass).
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COLD ROLLING MILL STRIP TEMPERATURE MEASUREMENTS
Non-contact temperature measurement directly on the cold rolled metal surface can be challenging. There may be relatively low temperatures and variable emissivity involved, and the background environment may create reflections which disturb the measurement conditions.
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MOLTEN METAL ESCAPES AND BREAKOUTS
The escape or breakout of molten metal is a highly important safety consideration in all metal manufacturing
industries, particularly steelmaking. The extremely high temperatures involved make any breakout of molten metal extremely hazardous. However, if the metal mixes with water, it can instantly vaporise the water, causing a potentially explosive reaction.
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OPACITY AND PM MONITORING IN EMISSION STACKS
Smoke and dust emissions from industrial plants, such as coal-fired power stations and industrial incinerators, damage the environment and pose a health hazard to humans. Subsequently these emissions are regulated by government agencies across the world. These include the Environmental Protection Agencies (EPA) in the USA and the UK. Globally, government agencies recognise the need for clean air and respond to the demands from the population for a healthier environment.
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PORTABLE FLUE GAS APPLICATIONS
Measuring flue gases – the exhaust gases produced when fuel or other materials are burned in industrial plants or power stations – is important for process control, efficiency and emissions monitoring. As the most accurate, robust and flexible portable flue gas analyser available today, AMETEK Land’s Lancom 4 provides an ideal solution for industries burning coal, natural gas, oil or biomass, including power generation, steel, glass and cement manufacturing.
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COAL-FIRED POWER PLANTS
The safety and efficiency of modern thermal power plants relies on accurate measurement and careful control of operating conditions. This application note aims to provide an overview of the many technologies available for monitoring essential operations in coal-fired power generation and their respective limitations and advantages.
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INFRARED PROCESS IMAGING SYSTEMS FOR VERTICAL CONTINUOUS ANNEALING LINES
The continuous annealing line is used to modify the grain structure of steel through heat treatment, changing properties including hardness and strength. The process involves several stages, focused on controlled heating and cooling to produce steel with the required qualities. Accurate temperature monitoring and control in each zone is essential for process and quality control. To ensure the accurate, edge-to-edge temperature monitoring required, a solution has been devised that overcomes the challenges caused by surface reflections and strip emissivity.
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