Revolving furnace, electric stove steel-smelting high-temperature gas cooling down heat-recovering steam producing energy conservation system device

Abstract

The present invention relates to a steel-making high temperature gas cooling waste heat recycling steam producing energy saving system device for a converter and an electric oven. The present invention is characterized in that the device comprises a plurality of steam generators (1) which are connected in series and whose the gas circulating section is decreased in cascade type, an inlet interface (5) is arranged at one end of the steam generator (1), an outlet interface (7) is arranged at the other end, a heat transfer element (6) is arranged inside the steam generator (1), and the steam generator (1) is connected with a steam drum through each steam-water connecting pipe (4). The steam generator system waste heat steam producing energy saving device which is arranged in a high temperature chimney neck makes the gas temperature in the chimney neck decrease from 1000 degrees centigrade to 180 degrees centigrade to discharge, meeting the purposes of waste heat reuse and energy conservation. The present invention has the advantages that heat transfer efficiency is improved, each part of the process is independently arranged dispersedly, the equipment cubage is small, the disassembly is convenient, and the routine maintenance and the servicing and repair are convenient.

Description

technical field [0001] The invention utilizes the heat released by cooling the high-temperature gas produced in the converter and electric furnace steelmaking process to generate medium and low-pressure steam through heat pipes, finned pipes, and a steam generating system in the form of a combined structure of heat pipes and finned pipes. Background technique [0002] The method of steelmaking mainly adopts two processes of converter and electric furnace. During the production process, a large amount of high-temperature gas above 1000°C will be generated, which requires cooling and recovery of beneficial components in the gas. In the past, natural cooling or water cooling was used, which required a long flue to increase the heat dissipation area or consume a large amount of cooling water. All heat dissipation was not fully recovered and utilized, and the surrounding operating environment was poor. Contents of the invention [0003] The object of the present invention is to...

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Problems solved by technology

In the past, natural cooling or water cooling was used, which required a long flue to increase the heat dissipation area or consume a large amount of cooling water. The heat dissipation was not fully recovered and utilized, and the surrounding operating environment was poor.

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