Waste heat utilization device based on furnace smoke

Abstract

The invention relates to the technical field of waste heat utilization equipment, and discloses a waste heat utilization device based on furnace smoke. The waste heat utilization device comprises an outer cavity, a water flowing pipeline is arranged at the center axis of the interior of the outer cavity, the water flowing pipeline penetrates through the left side wall and the right side wall of the outer cavity and extends to the outside, a smoke inlet pipeline is arranged at the top of the left side of the outer cavity, the smoke inlet pipeline communicates with the outer cavity, and one end, away from the smoke inlet pipeline, of the top of the outer cavity is provided with a smoke outlet pipeline in a communicating mode. According to the waste heat utilization device based on the furnace smoke, when a large amount of furnace smoke passes through the smoke inlet pipeline, due to the fact that the moving area is reduced, the pushing force of the furnace smoke can be increased, an arc-shaped flow guide plate can drive a rotating ring to rotate under the action of the pushing force of the furnace smoke, rotation of the rotating ring can drive an internal stirring plate to rotate, therefore, cold water can be stirred by the stirring plate, the contact area of the cold water and the furnace smoke is increased, and the utilization rate of furnace smoke waste heat is increased.

Description

technical field [0001] The invention relates to the technical field of waste heat utilization equipment, in particular to a waste heat utilization device based on furnace smoke. Background technique [0002] The work of energy saving and emission reduction is being promoted in an all-round way in the whole society, and a variety of energy saving and energy recovery methods have emerged accordingly. At present, my country's energy utilization rate is still at a low level, and waste heat recovery technology still has great development space and potential, so that a large amount of industrial waste heat / waste heat resources have not been effectively recycled due to the constraints of existing technologies. Taking the iron and steel industry as an example, the waste heat recovery rate of flue gas discharged from various furnaces in my country's iron and steel industry is only about 30%, which is far below the level of developed countries. Discharging all kinds of medium and hig...

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Problems solved by technology

[0003] However, the utilization rate of the existing waste heat utilization device is not too high when performing heat exchange, and because there is a large amount of dust in the furnace smoke, after long-term use, the large amount of dust will adhere to the inside of the device and affect the flow of the furnace smoke. Reduce the utilization rate of the waste heat of the furnace smoke, and at the same time increase the post-cleaning burden of the staff

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