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Dedusting Equipment Of Electric Furnace - China

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Furnace flue gas capture technology

At present, the matured method of furnace flue gas capturing are semi- closed cover type and diversion roof cover type. The diversion roof cover is actually combined by one semi- closed hood and roof cover.

△ semi- closed cover

The semi- closed is composed of fixed cover and movable cover, the movable cover can remove to the top of transformer. Semi- closed cover is widely used in dust removal system of medium and small electric furnaces in recent years. Compared with roof cover, the advantages are: the system drafting amount is smaller, flue gas collection efficiency is higher, investment and operating costs are relatively low. Semi- closed cover can completely capture the flue gas during furnace smelting, however, its capturing efficiency of flue gas produced material loading and unloading is not satisfied and opening, closing of the semi- closed cover has certain impact for the smelting period.

△ Diversion roof cover

The diversion roof cover is composed of diversion cover and roof cover.

The diversion cover is composed of fixed cover and movable cover, the former is installed at material unloading side and at the back of furnace, while the latter is installed at the top of transformer behind furnace. The movable diversion cover will be moved to the top of transform during material feeding and be moved out of furnace proper during smelting. The fixed and movable diversion covers surround electric furnace, forcing the flue gas arising within the diversion cover area. After flue gas rises to the diversion cover hole, the distance between gas and cover is only 5m, which minimize the bad effect of transverse flue gas. After commissioning, the movable cover can be fixed and only be moved during maintenance so as to decrease operation procedures. The roof cover is inner and outer double layers structure. The inner cover will collect the flue gas flowed out from diversion cover along diffusion corner, while the outer cover will collect the overflowed flue gas.

The diversion roof cover can remove flue gas produced in smelting, which is environmental friendly and easy to be operated, but the disadvantages are that air discharging amount is large and investment, operation cost is high.

flue gas collection technology of LF furnace


Company Contact:


  • Phone: 862989388771

  • Address: Tang yan road, Xi'an, China

  • Email: Email


Published date: November 7, 2014 -

  • Business Description: Xi an Abundance Electric Technology Co., Ltd is located in Xi an, which is the research base of electric furnace industry and the national supervision and inspection center of electric furnaces in China. With the development of 15 years, it has become a leading manufacturer in China s electric furnace industry, and it is advanced in R&D, manufacture, installation, debugging and technical services. There are our agents and after sale services in South Africa, Egypt, the Middle East, Mexico and Ukraine. Hundreds of sets of our electric furnaces are working safely now all over the world. That s why 90% of our products are exported to more than 50 regions and countries worldwide, and our achievements in furnace exportation ranked in the forefront for three consecutive years among furnace industry.

    Xi an Abundance Electric Technology Co., Ltd has a strong power in R&D, and more than 200 staffs are working here, among them, 3 senior engineers are specialized in researching and developing the metallurgical equipment, 3 national senior metallurgy experts, 12 engineers and assistant engineers, 8 senior skilled technicians on the production line and more than 30 production technology backbones and senior management. This high quality team makes us to be a professional manufacturer in the field of metallurgical machinery equipment, from design, manufacture to marketing. We have hundreds of successful cases in designing and producing the whole set of equipment, such as Electric Arc Furnace (EAF),AE Series Off Gas Preheating Continuous Feeding Equipment, Ladle Refining Furnace (LF), Submerged Arc Furnace, AOD Argon Oxygen Decarburizing Furnace, Basic Oxygen Furnace (BOF), Based on the market demand, Dedusting Equipment of electric furnace, Static Var compensator(SVC).
    We always insist on our principle of optimizing our product features, saving our customer s cost and assuring the high quality of the product. Consequently, we have won the customers favor and ratification on our products and after sale service.

    Xi an Abundance Electric Technology Co., Ltd has passed ISO9000 authentication of international quality management system and European CE certification. We have got 6 national patent certifications in the professional field. With our strong economy, scientific and technological strength, strict attitude, advanced way of designing, integrity of business ideas and perfect after sale services, we sincerely serve the world's metallurgy, forging, casting, military, automotive, agricultural machinery, motorcycle, aerospace, marine, hardware tools, general machinery, heat treatment and other industries.

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