Carbon black drying system

By combining a cyclone separator and an air classifier, combustible gas can be directly recovered for heating, eliminating the need for a dryer and a tail gas furnace. This solves the problem of flue gas desulfurization and denitrification in the carbon black drying system, achieving cost reduction and process simplification.

CN121383604APending Publication Date: 2026-01-23山西安仑化工有限公司
0 Cites 0 Cited by

Patent Information

Application Number
CN202511572164.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-10-30
Publication Date
2026-01-23

AI Technical Summary

Technical Problem

The flue gas generated by the existing carbon black drying system needs to be desulfurized and denitrified, which increases production costs and environmental monitoring pressure. Moreover, the desulfurization and denitrification process is complex and costly.

Method used

A new process combining cyclone separators and air classifiers is adopted. Through contact heat exchange and nitrogen recycling, combustible gases are directly recovered for combustion heating, eliminating the need for dryers and tail gas furnaces, avoiding desulfurization and denitrification treatment, and reducing production costs.

Benefits of technology

It reduced production costs, simplified the process flow, improved exhaust gas quality, reduced investment and operating costs of environmental protection equipment, and avoided the environmental pressure of desulfurization and denitrification treatment.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The invention relates to the technical field of carbon black production, in particular to a carbon black drying system. In order to solve the technical problem that flue gas generated by a carbon black drying system in the prior art needs to be desulfurized and denitrated, the invention provides a novel carbon black drying system which comprises a cyclone separator, tail gas separated by the cyclone separator and powdery carbon black are cooled by cooling water of a Venturi tube and then enter a main bag filter, and the tail gas and the powdery carbon black enter the main bag filter. Powdery carbon black treated by the main bag filter enters from a pipeline in front of an inlet of a cyclone separator after passing through an air blower and a granulator, and enters the cyclone separator after being subjected to contact heat exchange with a high-temperature gas-solid mixture; high-temperature dry granular carbon black discharged from the lower part of equipment of the cyclone separator is subjected to heat exchange by an air separator, and is screened into residual powdery carbon black and low-temperature dry granular carbon black, the low-temperature dry granular carbon black is conveyed to a carbon black storage system, and the residual powdery carbon black passes through an air blower and then enters a granulator for re-granulation. By means of the drying system, the initial investment cost of carbon black production design is reduced.
Need to check novelty before this filing date? Find Prior Art