What is stoker fired boiler?
Stoker-fired boilers are used in many applications with thermal capacities below 50 MW. In these boilers, the fuel is fed by a stoker onto the grate, where it is ignited by heat from the refractory above. As the fuel travels down the grate, it continues to burn, with primary air coming from below.
What are the two types of stoker fired boiler?
The stoker-fired boilers are classified into two types namely chain-gate or traveling grate stoker and. Thermax Under feed stoker technology – YouTube12 Jun 2018 Under feed stoker technology for compact boilers and heaters ensuring silent and highly efficient combustion.
What is fire a stoker?
A fireman, stoker or watertender is a person whose occupation it is to tend the fire for the running of a boiler, heating a building, or powering a steam engine. Much of the job is hard physical labor, such as shoveling fuel, typically coal, into the boiler’s firebox.
What is a wall fired boiler?
Wall-fired boiler means a boiler that has pulverized coal burners arranged on the walls of the furnace. The burners have discrete, individual flames that extend perpendicularly into the furnace area. Wet bottom means that the ash is removed from the furnace in a molten state.
What are different methods of firing?
This article will give an easy-to-understand account of 7 of the most common methods of firing clay. The methods covered are electric, gas, wood-burning, soda firing, raku, sawdust, and lastly pit firing. Each method involves different techniques, producing very different types of ware.
What is a spreader stoker boiler?
Fuel Feed. The pneumatic spreader stoker is the most common fuel feed mechanism for the Vibrating and Traveling Grates. An adjustable air swept fuel distributor is used to deposit the fuel into the furnace and on to the vibrating grate.
What does a stoker do?
stoker, machine for feeding coal or other solid fuel into a furnace, usually supporting the fuel during combustion. A good stoker also supplies air for combustion and regulates the rate of burning and, in large installations, disposes of the ashes.
Who is called stoker?
Dutch: occupational name for a stoker, Middle Dutch stokere, or from the same word in the sense ‘fire raiser’, ‘arsonist’. Scottish: occupational name for a trumpeter, Gaelic stocaire, an agent derivative of stoc ‘Gaelic trumpet’.
How does a coal fired boiler work?
Coal-fired plants produce electricity by burning coal in a boiler to produce steam. The steam produced, under tremendous pressure, flows into a turbine, which spins a generator to create electricity. The steam is then cooled, condensed back into water and returned to the boiler to start the process over.
What is soda firing?
Soda firing is an atmospheric firing technique where “soda” is introduced into a kiln when it’s above 2300°F. It is sprayed in with a garden sprayer or dropped in wrapped in newspaper. The soda that we use is: sodium bicarbonate, also known as baking soda, and sodium carbonate, which is also known as soda ash.