Method and device for granulation of molten slag

The high-speed gas-water mist and vortex flow method for granulating molten slag enhances heat recovery and steam generation, overcoming inefficiencies in traditional methods by improving thermal conductivity and reducing water usage.

RU2865367C2Active Publication Date: 2026-07-01БАОШАНЬ АЙРОН & СТИЛ КО ЛТД
View PDF 7 Cites 0 Cited by

Patent Information

Authority / Receiving Office
RU · RU
Patent Type
Patents
Current Assignee / Owner
БАОШАНЬ АЙРОН & СТИЛ КО ЛТД
Filing Date
2023-12-13
Publication Date
2026-07-01

AI Technical Summary

Technical Problem

Current methods for granulating molten blast furnace slag, such as water cooling and existing granulation technologies, are inefficient in recovering waste heat due to low thermal conductivity and high water consumption, leading to environmental pollution and limited energy recovery.

Method used

A method and apparatus utilizing a high-speed gas-water mist to granulate molten slag, followed by a vortex flow for rapid cooling and a cyclone separator for heat exchange, combined with steam generation and waste heat recovery systems to enhance heat transfer efficiency and reduce water usage.

Benefits of technology

Improves heat recovery efficiency, reduces water consumption, and effectively converts waste heat into usable steam, addressing the inefficiencies of traditional methods.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure 00000001_ABST
    Figure 00000001_ABST
Patent Text Reader

Abstract

FIELD: metallurgy.SUBSTANCE: group of inventions relates to a method and device for granulating molten slag. According to the method, molten slag is crushed to obtain molten slag granules, then the molten slag granules are cooled and the resulting granulated slag is collected. A device for granulating molten slag is also provided for implementing a method for granulating molten slag, comprising a granulation mechanism for granulating molten slag to obtain crushed granules of molten slag and a cooling mechanism designed to cool the granules of molten slag to obtain granulated slag.EFFECT: safely granulating molten blast furnace slag and selectively extracting and utilizing the heat generated during the granulation process for immediate or subsequent use.9 cl, 27 dwg
Need to check novelty before this filing date? Find Prior Art