DP series steel scraps preheating and conveying complete equipment complex developed by our company is an environment- protection and energy-saving steelmaking unit. It has adopted a series of advanced technique, including waste-heat utilization, purification of high temperature smoke and dust and system intelligent control. It preheats steel scraps consecutively by utilizing waste-heat of fully-enclosed electric furnace. This technique fills up domestic blank and now has been adopted by Wuyang Iron and Steel Co., Ltd, Jinan Special Steel Co., Ltd, Huaxin Special Steel Co., Ltd, etc. Remarkable economic and environment benefit has been made by now, and we have gained a good reputation.

Technical indexes

(1)????? Steel output has been increased by more than 10%.

(2)????? The cycle of steel smelting has been reduced by 10~15minutes.

(3)????? The power saving per ton of steel is 80~100KWh.

(4)????? Electrode consumption has been decreased by 0.5~0.8%; the consumption of refractory has been decreased by 5%; CO2 emitting per ton of steel is decreased by 20%~30%; dust content in field of production is less than 10 mg/m3.

(5)????? The emission of dioxin and CO is in line with related requirements and smoke and dust content has been decreased to 11kg/t from 17kg/t.

(6)????? The preheat temperature for steel scraps is up to 450 ??é or more.

(7)????? Conveying capacity for steel scraps is 120~350t/h.

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Characteristics of this technique

(1)?? Power saving: compared with traditional electric furnace, the energy saving of continuous feed electric furnace comes from preheating of steel scraps. In addition, there is no need to open the cover of electric furnace, which can avoid heat loss arising out of exposure of melting poll. Also the electric furnace works consecutively under state of refining so as to improve heat exchanging efficiency from electric arc to melting pool and reduce the heat loss of electric arc against inner lining, cover and water wall. Thus, the tap to tap time has been reduced to 40~75 minutes from 60-90 minutes of traditional electric furnace so that it can easily match with conticaster and we can minimize the cost of power consumption. Since the electric furnace can works consecutively and power supply curve is stable, the power consumption can be decreased by another 5%. ........www.thqlzg.com

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Contact: Li Yong, Sales Manager
Mobile:
Address: Heshan District, Hebi City, Henan Province, North Station, One Zip Code: 458 010
EMail :: taihangquanli@126.com
English website: http://www.thqlzg..com
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