Boilers & Burners

Four Methods of Fly Ash Sampling

COAL POWER magazine :: Operations & Maintenance >> 
There are four approaches to measuring fly ash content and, therefore, the quality of fuel combustion in a boiler. Before choosing one, you should understand their relative levels of complexity and accuracy....

Ceramics Win the War on Erosion

COAL POWER magazine :: Operations & Maintenance >> 
Erosion can significantly reduce the operational life of boiler components. Abrasion-resistant ceramic parts can be a sound alternative to expensive metallic parts when replacing boiler components....

A Game Plan for Improving Boiler Operations

COAL POWER magazine :: Operations & Maintenance >> 
Operating a boiler is not difficult, but operating a boiler safely and efficiently requires skill and proper training. Following boiler operation best practices will keep your equipment in like-new condition for years to come. This game plan includes a compendium of best practices, with web links to a number of additional key resources you should be famililar with....

World’s Largest Circulating Fluidized Bed Boiler Begins Commercial Operation

COAL POWER magazine :: Operations & Maintenance >> 
When the Łagisza power plant began commercial operation in late June 2009, it marked the beginning of a new era in the evolution of circulating fluidized bed (CFB) technology. At the heart of this 460-MW plant is the world’s largest CFB boiler, which is also the world’s first once-through unit supercritical CFB boiler....

Conveyor Upgrades Increase Plant Availability, Reduce Airborne Dust

COAL POWER magazine :: Operations & Maintenance >> 
The loading and discharge of conveyor belts is the area where many, if not most, of the problems in solids conveying occur. Fortunately, a new technology provides chutes to accomplish conveyor loading and discharge without blockages while minimizing the dust generated: engineered-flow transfer chutes....

Fuels Used for Power Generation Expected to Rebound in 2010

COAL POWER magazine :: Operations & Maintenance >> 
The Energy Information Administraion has predicted that, as the economy gathers steam this year, rising demand for gasoline, crude oil, coal, and natural gas is expected to push up energy prices, aided by a projected boost in crude oil production....

The Unique Challenge of Controlling Biomass-Fired Boilers

COAL POWER magazine :: Operations & Maintenance >> 
Biomass has many advantages as a fuel for boilers: It’s inexpensive, readily available in many regions, CO2 neutral, and its use warrants government subsidies. The fuel also presents unique concerns to the designers, owners, and operators of biomass plants, especially in the design of the control system....

The Role of Fireside Corrosion on Boiler Tube Failures, Part I

COAL POWER magazine :: Operations & Maintenance >> 
One of the primary challenges of reliably burning coal is managing the corrosion experienced by the furnace heat transfer surfaces. Fireside corrosion remains a leading cause of failure in superheater and reheater tubes. Three case studies examine the different failure modes experienced by tubes located throughout the furnace....

Power 101: Flue Gas Heat Recovery in Power Plants, Part I

COAL POWER magazine :: Operations & Maintenance >> 
Every power engineer must have a firm grasp of the rudiments of how fuel is processed to produce electricity in a power generation facility. With this article, we begin a series of Power 101 tutorials that present these fundamentals in a clear and concise way. First up are the essentials of recovering heat from flue gas....

LANEMARK LINK WITH MIDCO OPENS UP NEW AIR HEATING OPPORTUNITIES

A major addition is being made to the range of process gas burner systems available from industry leader Lanemark International Ltd. that is set to enhance the choice of application opportunities for its customers.  The company has announced an agency agreement with American manufacturer, Midco International Inc – covering the UK and other key international markets – which complements Lanemark’s highly successful TX tank heating and FD air heating product ranges.

Midco burners are widely known for the benefits they offer to a number of industries, most notably where make up or replacement air requirements need to be met – an example being paint spraybooth air replenishment.  High turn-down and controllability are key features as are low emission levels, flame stability and a modular design.  This latter characteristic allows any number of individual six-inch sections to be connected to meet precise application needs in terms of dimensions and heat requirement.  This versatility is further enhanced with the ability to use either natural or propane gas on a standard burner head.

LATEST LANEMARK OVEN BURNER DESIGN BRINGS PERFORMANCE AND ENVIRONMENTAL GAINS

The latest addition to its FD oven burner range – which is designed to maximise performance and energy efficiency – is being introduced by process gas burner specialist, Lanemark International Ltd. The FD-C (GA) packaged burner provides flexible, high turn-down control of both gas and air and utilises the latest ‘air pressure lead’ (APL) monobloc gas valve technology. 

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