复杂锌精矿沸腾焙烧的行为研究

郭韵; 张福建; 张栩宁; 张诺楠; 尹世界; 周冰; 朱琳

doi:10.3969/j.issn.1000-6532.2022.04.013

复杂锌精矿沸腾焙烧的行为研究

1.
上海工程技术大学机械与汽车工程学院，上海　201620

2.
青海省地质矿产测试应用中心，青海　西宁　810000

基金项目: 上海市科委重点专项项目：长三角地区智慧储能关键技术集成解决方案研究及商业化综合应用示范（19195810800）；国家自然科学基金项目：天然气加热气化装置非稳态自然对流及介质参与性辐射耦合热流场研究（51606116）

详细信息

作者简介: 郭韵（1980-），女，博士，教授，主要研究方向为能源与环境。

中图分类号: TD989;TF813

收稿日期: 2021-03-16

刊出日期: 2022-08-25

Research on Boiling Roasting Behavior of Complex Zinc Concentrate

1.
Shanghai University of Engineering and Science, School of Mechanical and Automotive Engineering, Shanghai, China

2.
Qinghai Geology and Mineral Resources Test and Application Center, Xining, Qinghai, China

Received Date: 16 March 2021

Publish Date: 25 August 2022

摘要

摘要:
随着国内锌资源的不断匮乏以及市场的快速变化，锌冶炼企业入选的锌精矿成分也越来越复杂，高硅、高铜、高铅、高铁矿源已逐渐成为常态，这些高杂质矿使得沸腾焙烧炉炉况严重恶化，极大影响焙烧工序的正常进行。锌冶炼企业要想在日益复杂的市场竞争中获得长足发展，除了需要以最低的成本组织生产外，还需要能够适应各种复杂矿源，特别是能够处理高附加值的锌精矿。因此本文对复杂锌精矿中的重点杂质Cu、Pb、SiO₂、Fe在沸腾焙烧中的行为以及影响进行了系统的研究，旨在为锌冶炼企业处理复杂锌精矿提供一定的理论与实践指导。
- 锌精矿 /
- 杂质 /
- 沸腾焙烧 /
- 烧结
Abstract:
With the continuous scarcity of domestic zinc resources and the rapid changes in the market, the composition of zinc concentrates selected by zinc smelting companies has become more and more complex. High-silicon, high-copper, high-lead, and high-iron mineral sources have gradually become the norm. These high impurities ore seriously deteriorates the conditions of the fluidized roaster, which greatly affects the normal progress of the roasting process. In order for zinc smelting companies to achieve rapid development in the increasingly complex market competition, in addition to organizing production at the lowest cost, they also need to be able to adapt to various complex mineral sources, especially to be able to handle high value-added zinc concentrates. Therefore, this article systematically studies the behavior and influence of Cu, Pb, SiO₂ and Fe, the key impurities in complex zinc concentrates, during boiling roasting, and aims to provide certain theoretical and practical guidance for zinc smelting enterprises to deal with complex zinc concentrates.
- Zinc concentrate /
- Impurities /
- Boiling roasting /
- Sintering

HTML全文

图 1 焙烧工序工艺流程

Figure 1.

下载: 全尺寸图片幻灯片

图 2 Cu-S-O系850℃的lgPO₂-lgPSO₂等温化学曲线

Figure 2.

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表 1 沸腾焙烧炉入炉料成分/%

Table 1. Requirements for the composition of the charging of the fluidized roaster

Zn S SiO₂ Cu Pb Fe H₂O

>46 26~32 <3 <1 <1.7 <10 8~11

下载: 导出CSV

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