Modeling and Simulation of Initial Loading Balls and Replenishing Balls of the Duplex Inlet & Outlet Coal Mill

Authors

Junjie Gu, School of Energy Power and mechanical Engineering, North China Electric Power University, Baoding 071000, China;
Yukun Wang, School of Energy Power and mechanical Engineering, North China Electric Power University, Baoding 071000, China;
Zhizhong Bai, School of Energy Power and mechanical Engineering, North China Electric Power University, Baoding 071000, China;

Abstract

Abstract: To solve the problems of excess of abrasion of steel balls and high power consumption used for grinding of the duplex inlet & outlet coal mill, a method that can calculate the initial balls loading, the period and quantity of adding balls for the mill is presented on the basis of building up the models of steal balls’ abrasion and motion. Setting #E coal mill as example, period and quantity of adding balls are confirmed accurately in consideration of variation of power, the maximum capacity and fineness of coal powder, compensatory quantity of each grade of balls are also calculated. Results of comparison with #B coal mill which uses traditional initial loading balls and adding balls method show that the abrasion of steel balls and consumption of power of #E coal mill is lower than #B coal mill obviously, so that the economic benefit of power plant is significantly improved.

Recommended Citation

Gu, Junjie; Wang, Yukun; and Bai, Zhizhong (2019) "Modeling and Simulation of Initial Loading Balls and Replenishing Balls of the Duplex Inlet & Outlet Coal Mill," Journal of System Simulation: Vol. 30: Iss. 9, Article 15.
DOI: 10.16182/j.issn1004731x.joss.201809015
Available at: https://dc-china-simulation.researchcommons.org/journal/vol30/iss9/15

First Page

3340

DOI Link

https://doi.org/10.16182/j.issn1004731x.joss.201809015

Last Page

3350

CLC

TM621.2

Recommended Citation

Gu Junjie, Wang Yukun, Bai Zhizhong. Modeling and Simulation of Initial Loading Balls and Replenishing Balls of the Duplex Inlet & Outlet Coal Mill[J]. Journal of System Simulation, 2018, 30(9): 3340-3350.

DOI

10.16182/j.issn1004731x.joss.201809015