Vertical multi-layer straw burning boiler

Abstract

The invention discloses a vertical multi-layer straw burning boiler. An igniter, a bale erecting grate, an overturning bale breaking device and an ash discharge grate are erected in a primary burningchamber. The ash discharge grate and the overturning bale breaking device are rotationally arranged in the primary burning chamber. The overturning bale breaking device comprises first long pipes arranged in the length and width directions of the primary burning chamber at intervals and multiple poking rods arranged in the length directions of the first long pipes and distributed circumferentially. The overturning bale breaking device relatively rotates on the lower portion of the bale erecting grate, the poking rods stretch to the upper portion of the bale erecting grate, fuel bales are tornfor fire poking, fuel rolls on the bale erecting grate front and back, the fuel can fully make contact with air, and complete burning is achieved; the falling fuel falls on the ash discharge grate tocontinue to be burnt out, the ash discharge grate rotates for automatic ash falling, the fuel is burnt completely, and the problems that the straw burning boiler does not adapt to bale straw fuel withhigh moisture and soil content are solved; and circulating water is arranged in the overturning bale breaking device, and the service life is prolonged by preventing overheating.

Description

technical field [0001] The invention relates to the technical field of straw burning boilers, and more specifically relates to a vertical multi-layer straw burning boiler. Background technique [0002] Straw is one of the important fuels in my country, and burning straw to obtain heat is a common thermal energy technology. Straw is usually burned in a special boiler for straw, and then heat is supplied through the boiler. In the prior art, straw burning boilers are usually horizontal boilers, including a combustion chamber, which includes a fixed grate, an air inlet and a blower, etc., and the grate is composed of second long tubes or sticks arranged at intervals. In the combustion chamber, bundles of straw are put into the combustion chamber frame and burned on a fixed grate under ventilated conditions. Since the burning straw is compacted into large bundles formed by a baler, and the inside is likely to contain debris such as soil clods, when each bundle of straw is cont...

AI Technical Summary

Problems solved by technology

Since the burning straw is compacted into large bundles formed by a baler, and the inside is likely to contain debris such as soil clods, when each bundle of straw is continuously put into the combustion chamber, the bundled straw can only be removed from the outside. Burning layer by layer, the combustion efficiency is slow, and the heating efficiency needs to be improved; it is also easy to cause the bundled straw to be burnt through, insuff...

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