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JOM

, Volume 71, Issue 12, pp 4944–4949 | Cite as

Numerical Simulation on the Recovery Process of Acid Pickling Waste Liquor by Jet-Flow Pyrolysis

Technical Article
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Abstract

The direct discharge of hydrochloric acid pickling waste liquor from iron and steel enterprises seriously wastes resources and pollutes the environment. In this study, a Venturi jet-flow pyrolysis reactor was used to fabricate iron oxide and recover waste acid. Combustion, phase transformation, and gas-solidification reactions were numerically simulated in this independently-invented Venturi jet-flow pyrolysis reactor. Fluent software was combined with user-defined functions to describe the fluid flow characteristics and the distribution rules of each component during jet-flow pyrolysis in the reactor. Then, the velocity, temperature, and component concentration distributions in the reactor were analyzed. The results presented in this paper can provide a theoretical basis to study the pyrolysis treatment of hydrochloric acid pickling waste liquor, as well as data support for optimizing a Venturi jet-flow pyrolysis reactor.

Notes

Acknowledgement

This research was supported by the Specialized Fund for the Basic Research Operating Expenses Program of Central College (N172303012), the Scientific Research Fund project of Northeastern University at Qinhuangdao (XNY201808), the National Natural Science Foundation of China (51904069), the Natural Science Foundation of Hebei Province of China (E2019501085), and universities in Hebei province science, and technology research youth fund (QN2019312).

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Copyright information

© The Minerals, Metals & Materials Society 2019

Authors and Affiliations

  1. 1.Northeastern University at QinhuangdaoQinhuangdaoChina

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