Waste steel preheating furnace

A technology for preheating furnace and scrap steel, applied in the direction of preheating fee, furnace and furnace components, etc., can solve the problems of uneven heating and poor heating of scrap, achieve uniform heating, prolong service life, and avoid maintenance.

Pending Publication Date: 2019-11-08
苏州正益诚新能源科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In the existing scrap steel preheating furnace, a high-temperature flue gas device is usually installed under the scrap steel hopper to realize high-temperature combustion and heat supply in the lower part. The existing defect is that there is no heating device above the scrap steel hopper, resulting in the scrap steel in the lower part of the scrap steel hopper The heat supply is good, but the scrap steel in the upper part has poor heat supply, and there is a defect of uneven heat supply

Method used

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Embodiment Construction

[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

[0036] Such as Figure 1 to Figure 15 As shown, the present invention provides a scrap steel preheating furnace, comprising: a supporting steel frame 10, on which a feeding station, a heating station and a discharging station are sequentially formed, such as figure 2 and Figure 4 As shown, the number of the feeding station is set to 1, station A is the feeding station, the number of the heating station is set to 6, and the number of the heating station is based on the actual usage Depending on the situation, the stations B to G are the heating stations, the number of the discharging station is set to 1, and the station H is the discharging station; they are erected side by side on the top of the supporting steel frame 10 for loading A plurality of scrap steel hoppers 20 f...

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Abstract

The invention discloses a waste steel preheating furnace. The waste steel preheating furnace comprises a supporting steel frame, waste steel hoppers, a flue gas circulating device, a hopper driving device and a top burning device, wherein a feeding station, a heating station and a discharging station are sequentially formed on the supporting steel frame; the plurality of waste steel hoppers erected on the top of the supporting steel frame side by side and used for loading waste steel; the flue gas circulating device arranged below the supporting steel frame and used for providing high-temperature flue gas from the bottoms of the waste steel hoppers to the waste steel hoppers; the hopper driving device used for driving the waste steel hoppers to move from the feeding station to the discharging station; and the top burning device used for supplying heat through open fire from the tops of the waste steel hoppers to the waste steel hoppers. The waste steel preheating furnace can supply heat to the waste steel hoppers from the tops and the bottoms, and has the advantages of uniform heat supply and the like.

Description

technical field [0001] The invention relates to the technical field of industrial furnaces, in particular to scrap steel preheating furnaces. Background technique [0002] Industrial furnaces are thermal equipment that use heat from fuel combustion or electrical energy conversion to heat materials or workpieces in industrial production. Scrap steel refers to the iron and steel scrap that does not become a product during the production process of the iron and steel plant (such as trimming, cutting heads, etc.) and the iron and steel materials in equipment and components that are scrapped after use. Scrap steel needs to be preheated before reuse. Scrap steel preheating can play a dual role in energy saving and improving steelmaking production capacity. In recent years, it has gradually attracted the attention of various steel mills. In the existing scrap steel preheating furnace, a high-temperature flue gas device is usually installed under the scrap steel hopper to realize h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C5/56F27D13/00
CPCC21C5/565
Inventor 唐献红奎炼
Owner 苏州正益诚新能源科技有限公司
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