Horizontal combined fuel oil and gas biomass steam generator

Abstract

The invention relates to a horizontal combined fuel oil and gas biomass steam generator in the field of thermal energy machinery. The horizontal combined fuel oil and gas biomass steam generator comprises an evaporator body, wherein the evaporator body comprises a base, a lower header arranged on the base and a hearth located on the lower header, a boiler barrel is correspondingly arranged on thehearth, and a downcomer is further arranged between the boiler barrel and the lower header; a plurality of sets of heated surface pipe assemblies are arranged between the boiler barrel and the lower header, the heated surface pipe assemblies are located between the lower header and the boiler barrel, and a steam-water separator and an annular reheating pipe are arranged in the boiler barrel in a matched manner; the annular reheating pipe is correspondingly provided with a main steam valve; a safety valve and a pressure gauge are further arranged on the boiler barrel in a matched manner; and afeeder is arranged beside the hearth. According to the horizontal combined fuel oil and gas biomass steam generator, the radiation heated surface of a heated pipe can be increased, the heated efficiency is improved, the steam generation efficiency is improved to the utmost extent, and meanwhile, the cost is reduced; and meanwhile, two phases of a steam-water mixture are separated, so that the dryness of steam used by steam-using equipment is guaranteed, and the service life of the equipment is prolonged.

Description

Technical field [0001] The invention and a steam generator in the field of thermal energy machinery. Background technique [0002] A steam generator is a steam boiler with a water volume of less than 30 liters. It is a mechanical device that uses the thermal energy of fuel or other energy sources to heat water into hot water or steam; the original meaning of pot refers to a water container heated on a fire. Boiler refers to the place where fuel is burned. Boiler includes two parts: boiler and furnace; industrial boiler is an indispensable equipment to provide steam for production and heating in various industrial enterprises; traditional steam generators mostly use straight pipes , The elbow and the drum are combined into a structure. Its steam output time is slow, and its evaporation capacity cannot be increased due to the limitation of the water volume. The temperature of the steam output is low. Some structural forms greatly increase the boiler's evaporation capacity, so as t...

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Problems solved by technology

The boiler that uses biomass energy as fuel is called a biomass boiler. The traditional hot water boiler structure has low combustion efficiency, less flue gas return, and low utilization rate. The effect of using

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