一种沥青烟气干法自动净化系统

By using a multi-layer filtration system with crushed petroleum coke as the adsorbent and combined with PLC automatic control, the problems of dust collector bag clogging and pipeline blockage in the purification of asphalt flue gas in carbon enterprises have been solved, achieving efficient and economical asphalt flue gas purification, and improving the quality of finished products and environmental safety.

CN117643780BActive Publication Date: 2026-07-17ZHONGSHANG CARBON INST

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHONGSHANG CARBON INST
Filing Date
2023-11-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies for treating asphalt fumes from carbon plants suffer from problems such as dust collector bag clogging, screw conveyor blockage, and flue gas collection pipe blockage, resulting in low purification efficiency, difficulty in maintenance, and inability to operate for long periods.

Method used

Using crushed petroleum coke as an adsorbent, the process involves multi-layer adsorption filtration, automatic control of adsorbent replacement and thickness via PLC, and integration with a flue gas collection and insulation system, a filtration system, and a negative pressure system to achieve dry automatic purification of asphalt fumes.

Benefits of technology

It improved purification efficiency, reduced operating costs, improved the factory environment, protected the health of operators, improved the quality and molding rate of finished products, and achieved automated control.

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Abstract

本发明公开了一种沥青烟气干法自动净化系统,采用煅后石油焦中碎料为吸附剂,多层吸附过滤,根据实时沥青烟气测量仪和气体压力传感器的测量结果,PLC自动控制吸附剂的更换和厚度,实现沥青烟气的干法自动净化。包括烟气收集保温系统、过滤系统和负压系统。本发明吸附剂直接来源于工业物料,并采用多层利用的方式,大大节约了运行成本和简化了运行流程。系统全负压设计不仅控制烟气流动方向,而且帮助沥青烟气更充分更快速地从阳极糊中排出,利于生预焙阳极质量的提高。本系统设备运行成本低,生产安全性好,主体设备使用寿命长,自动化程度高,经净化后的烟气,完全达到国家环保标准要求。
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