Ad
related to: vacuum hopper for dry solids gas and electric heater fuel
Search results
Results From The WOW.Com Content Network
Interior view of a turbomolecular pump. A turbomolecular pump is a type of vacuum pump, superficially similar to a turbopump, used to obtain and maintain high vacuum. [1] [2] These pumps work on the principle that gas molecules can be given momentum in a desired direction by repeated collision with a moving solid surface.
A hopper; An auger system; Two blower fans: combustion and convection; A firebox: burn pot and ash collection system, sometimes lined with ceramic fiber panels; Various safety features (vacuum switch, heat sensors) A controller; To properly function, a pellet stove uses electricity and can be connected to a standard electrical outlet.
The basic idea of a firing system using pulverised fuel is to use the whole volume of the furnace for the combustion of solid fuels. Coal is ground to the size of a fine grain, mixed with air and burned in the flue gas flow. Biomass and other materials can also be added to the mixture.
A vacuum ejector, or simply ejector, or aspirator, is a type of vacuum pump, which produces vacuum by means of the Venturi effect.. In an ejector, a working fluid (liquid or gaseous) flows through a jet nozzle into a tube that first narrows and then expands in cross-sectional area.
High-density solids with mineral or carbon content as a mixture from coarse and fine grained material. Maximum particle size 50 mm (1.969 in) Dry solids content up to 80 percent by weight; Energy consumption = approx. 50 Wh (180 kJ) per tonne of conveyed material and per kilometer (280 Btu per long ton or 250 Btu per short ton per mile).
Both boiler types have a solid base with an orifice that can be opened to permit the molten ash that has collected at the base to flow into the ash hopper below. The ash hopper in wet-bottom furnaces contains quenching water. When the molten slag comes in contact with the quenching water, it fractures instantly, crystallizes, and forms pellets.
This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.
In vacuum applications, a cold trap is a device that condenses all vapors except the permanent gases (hydrogen, oxygen, and nitrogen) into a liquid or solid. [ 2 ] [ needs update ] The most common objective is to prevent vapors being evacuated from an experiment from entering a vacuum pump where they would condense and contaminate it.