Furnace

Abstract

The invention discloses a furnace which comprises a furnace body. The furnace body comprises a combustion cavity and a ventilation cavity. The combustion cavity and the ventilation cavity are separated by a grate plate. The grate plate comprises a fixed grate plate body and a rotary grate plate body which are attached to each other. The fixed grate plate body is fixedly installed in the furnace body. The rotary grate plate body is installed on the upper portion of the fixed grate plate body. The main body of the rotary grate plate body and the main body of the fixed grate plate body are each provided with a plurality of through holes. The overlapped portions of the through holes in the fixed grate plate body and the through holes in the rotary grate plate body form grate plate through holes. The size of the grate plate through holes can be adjusted by rotating the rotary grate plate body. Compared with the prior art, due to the fact that the grate plate is divided into the fixed grate plate body and the rotary grate plate body which are attached to each other, the grate plate through holes in the grate plate can be adjusted according to the size of combusting fuel, it is ensured that the fuel can be sufficiently combusted in the furnace, completely-combusted fuel ash can be rapidly removed in time, no pollution is produced in the ash removing process, and operation is easy and convenient.

Description

technical field [0001] The invention relates to a furnace, belonging to the technical field of furnaces. Background technique [0002] The furnace is a three-dimensional space surrounded by furnace walls for fuel combustion. The function of the furnace is to ensure that the fuel is burned as much as possible, and to cool the temperature of the flue gas at the outlet of the furnace to the temperature allowed for the safe operation of the convection heating surface. However, most of the furnaces do not meet the above requirements at present. Since the size of the ash leakage hole on the grate in the furnace has been fixed during production, it is difficult to apply the furnace when the size of the fuel (such as coal) is changed, that is, the ash leakage If the hole is large, the fuel may fall before it is fully burned. If the ash leak hole is small, it is difficult to ensure that the burned fuel will fall smoothly, which will block the ash leak hole and cause poor ventilation...

AI Technical Summary

Problems solved by technology

However, most of the furnaces do not meet the above requirements at present. Since the size of the ash leakage hole on the grate in the furnace has been fixed during production, it is difficult to apply the furnace when the size of the fuel (such as coal) is changed, that is, the ash leakage If the hole is large, the fuel may fall before it is fully burned. If the ash leak hole is small, it is difficult to ensure that the burned fuel will fall smoothly, which will block the ash leak hole and cause poor ventilation in the furnace to affect fuel combustion. Personnel can only open the furnace door and use steel brazing to clean the dust on the furnace grate, resulting in heavy pollution and high labor intensity. In addition, there may be a large amount of unburned fuel in the furnace, which will also be cleaned up, resulting in a large waste of energy.

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