Novel coke oven smoke waste heat recycling device

Abstract

Disclosed is a novel coke oven smoke waste heat recycling device. The novel coke oven smoke waste heat recycling device comprises a coke oven, a flue is arranged on the coke oven, and the device is characterized by further comprising a waste smoke waste heat recycling device, a thermoacoustic engine, a thermoacoustic refrigerating machine and a resonator tube connected between the thermoacoustic engine and the thermoacoustic refrigerating machine. The flue of the coke oven is communicated with an air inlet of the waste smoke waste heat recycling device, an air outlet of the waste smoke waste heat recycling device is communicated with the thermoacoustic engine, and the thermoacoustic engine drives the thermoacoustic refrigerating machine to perform refrigerating. The novel coke oven smoke waste heat recycling device can effectively use the waste smoke of the coke oven, and the refrigerating effect can be generated.

Description

technical field [0001] The invention relates to the technical field of coal coking, in particular to a novel coke oven flue gas waste heat recovery device. Background technique [0002] Coal coking uses coal as raw material. Under the condition of isolating the air in the coke oven, the coal is heated to 950°C to 1050°C, and then undergoes high-temperature dry distillation processes such as drying, pyrolysis, melting, bonding, solidification, and shrinkage, and finally obtains coke. In the above production process, the heating process in the coke oven will produce a large amount of raw coal gas, which has considerable sensible heat. At the same time, there is a large amount of sensible heat in the coke obtained from the production and the waste flue gas obtained during the production. Since the temperature of raw coal gas can reach 650°C to 800°C, and the temperature of coke can reach 950°C to 1050°C, both of them contain relatively large heat energy, so the sensible heat o...

AI Technical Summary

Problems solved by technology

Since the temperature of raw coal gas can reach 650°C to 800°C, and the temperature of coke can reach 950°C to 1050°C, both of them contain relatively large heat energy, so the sensible heat of raw coal gas and coke is currently used more. Applications such as power generation and heating; while the temperature of waste flue gas is relatively low, usually between 240°C and 280°C, which belongs to low-grade heat energy, coupled with certain fluctuations in temperature, the use value is low, and the recovery cost is high, usually directly emission, the waste heat of waste flue gas cannot be utilized and recovered, and it will cause certain pollution to the environment

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