Intelligent air-distribution device for solid fuel combustion

Abstract

The invention discloses an intelligent air-distribution device for solid fuel combustion. The intelligent air-distribution device comprises an air-distribution cavity, an air-distribution baffle plate, a rotary shaft, an outer cover of the air-distribution cavity, secondary and third air inlets, a primary air inlet, an air inlet, a rotary button, a driving motor, a smoke detector and a microcomputer. The air-distribution cavity is internally provided with a movable air-distribution baffle plate and a fixed limiting device. The air-distribution baffle plate is in the shape of a circular plate with an empty groove. The secondary and third air inlets are arranged in the air-distribution baffle plate. The primary air inlet has the same hole diameter as a second ventilating duct and a first ventilating duct of the back side of the air-distribution cavity. A spring, a rotary device and the rotary button are arranged on the rotary shaft of the air-distribution baffle plate. The rotary device is driven by a driving motor to perform motion for rotating the rotary shaft. The driving motor is connected with the microcomputer. The microcomputer is connected with the smoke detector. The lower portion of the outer cover of the air-distribution cavity is provided with an air inlet and the upper portion of the outer cover of the air-distribution cavity is provided with the rotary button. The intelligent air-distribution device for solid fuel combustion is uniform and reasonable in air distribution and used intelligently and manually such that combustion is performed completely.

Description

technical field [0001] The invention relates to the field of stove air distribution devices, in particular to an intelligent air distribution device for solid fuel combustion. Background technique [0002] During the combustion process of semi-gasification furnace or direct combustion furnace, both primary and secondary air need to be provided from the outside for combustion support. There are secondary and tertiary air distribution holes for secondary and tertiary oxygen supply and air distribution. Under different combustion conditions, the demand for primary air is different from that of secondary and tertiary air. If the oxygen content of flue gas is too high, it means that there is too much air entering the furnace. , the excess air takes away a lot of heat, increases the loss of exhaust gas, and reduces the efficiency of the stove, while the low oxygen content of the flue gas indicates that the air entering the furnace is insufficient, the fuel cannot be fully combuste...

AI Technical Summary

Problems solved by technology

[0002] During the combustion process of semi-gasification furnace or direct combustion furnace, both primary and secondary air need to be provided from the outside for combustion support. There are secondary and tertiary air distribution holes for secondary and tertiary oxygen supply and air distribution. Under different combustion conditions, the demand for primary air is different from that of secondary and tertiary air. If the oxygen content of flue gas is too high, it means that there is too much air entering the furnace. , the excess air takes away a lot of heat, increases the loss of smoke exhaust, and reduces the efficiency of the stove, while the low oxygen content of the flue gas means that the air entering the furnace is insufficient, the fuel cannot be fully burned, and even leads to fire extinguishing in severe cases.

[0003] At present, most of the commonly used air distribution devices for stoves are blowers directly connected to the side of the furnace to supply air, and the air distribution is uneven, which affects the combustion effect.

There is also an intelligent air distribution device, which basically uses an oxygen content detector to collect gas at the flue outlet for detection, calculates whether the oxygen supply in the furnace is appropriate through the flue gas, and whether oxygen needs to be supplemented, and starts the blast equipment through the data To carry out quantitative air supply, it is often necessary to calculate the data at least twice, one is the calculation of the oxygen demand in the furnace, and the other is the calculation of the oxygen delivery amount of the blast equipment. Not only the equipment cost is high, but also after multiple calculations, the resulting data The deviation from the actual oxygen demand increases, and the goal of truly uniform air distribution cannot be achieved

In addition, intelligent air distribution almost completely depends on the control system of the equipment. Once the control system fails, it needs to be repaired immediately, which increases maintenance costs.

[0004] At present, in order to achieve a uniform and reasonable air distribution of the stove, an air distribution device that can intelligently control the air distribution volume, reduce costs, and be easy to operate has not yet appeared.

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