9. Fugitive emissions from the blast furnace, including leaks from the furnace covers and the bottoms of charge cars, dust from the charge car bottom dump during normal operation, and escaping gases when blow holes develop in the shaft and must be "shot" with explosives; 10. Lead fumes from the molten lead and slag leaving the blast furnace ...

Blast furnaces, short rotary furnaces, long rotary kilns, reverberatory furnaces, electric arc furnaces (EAF), or top-blown rotary furnaces can be operated for this purpose. ... Oxygen sparging is required at the refining stage for effective antimony and tin removal below 0. ... Fly ash samples originating from different smelting …

The dominant production methods include blast-furnace smelting, volatilization roasting, liquation, reduction, ... After detailed review of the occupational cancer studies, it was unclear whether there was any exposure to pentavalent antimony among workers in smelting operations. While the types and routes of antimony exposure measured from ...

Efficient Removal of Arsenic and Antimony During Blast Furnace Smelting of Lead-Containing Materials NURLAN DOSMUKHAMEDOV1 and VALERY KAPLAN 2,3 1.—The Kazakh National Research Technical University Named After K.I. Satpayev, Almaty, Kazakhstan. 2.—Weizmann Institute of Science, Rehovot, Israel. 3.—e-mail: …

Blast furnace smelting: Intermediate grades of oxide or sulfide or mixed ores, liquation residues, mattes, rich slags, and briquetted fines or flue dusts are processed in water-jacketed blast furnaces at 1300–1400 °C. Theoretically, this process is illustrated in Eqs. (7), (8). In general, the same blast-furnace practice used for lead is ...

The reduction smelting is widely applied in the production of steel, ferroalloy, and heavy metals including nickel, lead, zinc, tin, antimony, bismuth, etc., such as blast furnace ironmaking or ferroalloy, saprolite laterite electric furnace reduction smelting to produce nickel-iron, Imperial smelting process (ISP) of lead-zinc sinter to ...

4. Blast furnace Lead is usually smelted in a blast furnace using the carbon As melting occurs, several layers form in the furnace. The molten lead layer sinks to the bottom of the furnace A layer of the lightest elements, including arsenic and antimony, floats to the top and is referred to as the "speiss."

The sulfide antimony ore is first volatilized and oxidized into antimony xide (Sb 2 O 3) in a blast furnace, and then Sb 2 O 3 is reduced to antimony metal in a reverberatory furnace (Hua et al., 2003; Qin et al., 2015).

The conditions are different in the blast-furnace when smelting calcined ores, as the gases are of a reducing character. ... The slags from this operation, under ordinary conditions, often contain 0.50 per cent, of arsenic and 0.10 per cent, of antimony. In smelting calcined coarse metal, containing 31 per cent, of copper, to white metal, its ...

The direct recovery of antimony in the blast furnace, gold smelting furnace, cupellation furnace and reverberatory furnace was 95.44%, 84.95%, 85.11% …

This a feeding structure for smelting antimony blast furnace, through setting up shunt tubes and reposition of redundant personnel piece, the cross-section of reposition of redundant personnel piece is triangle-shaped, and triangle-shaped's top is located the axis of shunt tubes, and the cross-section of shunt tubes is top section radius little ...

Efficient Removal of Arsenic and Antimony During Blast Furnace Smelting of Lead-Containing Materials. NASA Astrophysics Data System (ADS) Dosmukhamedov, Nurlan; Kaplan, Valery. . The efficient removal of impurities, As and Sb, from recycled lead-containing materials is a key issue in the selection of the appropriate …

The invention discloses Combined Treatment antimony smelting blast furnace slag and lead slag-removed method and system, wherein, method includes：Antimony smelting blast furnace slag is subjected to break process, to obtain antimony smelting blast furnace ground-slag end；Antimony smelting blast furnace ground-slag end mix …

This pyrometallurgical antimony smelting blast furnace waves equipment of blowing adopts mutually supporting between a plurality of subassemblies, via filtering component's setting, can avoid the blast furnace to refine crude antimony, the relatively poor problem of flue gas filter effect is convenient for prevent that waste gas from causing ...

furnace, and 45-60% antimony ores are treated by liquation or iron precipitation. A description of ... Blast Furnace Smelting: Intermediate grades of oxide or sulfide or mixed ores, liquatio n .

Slag of gold-antimony ore blast furnace smelting has seldom been studied. In this paper, the viscosities of gold-antimony ore smelting slags of different composition have been studied by the ...

AbstractThe efficient removal of impurities, As and Sb, from recycled lead-containing materials is a key issue in the selection of the appropriate smelting technology for projects involving metal reuse. Volatilization of impurities such as As and Sb should occur as early as possible in the process, and preferably within the smelting furnace, …

The invention discloses a heat exchange device used for antimony smelting blast furnace, relating to the technical field of smelting. The heat exchange device is composed of a dust collection device 1, a blast pipe 2, a blast blower 3, a high temperature smoke pipe 4, a high temperature hot wind output sleeve 5, an intermediate temperature hot …

The utility model discloses an external crucible-free blast furnace for single-antimony smelting, which belongs to the technical field of smelting and comprises a furnace bottom 11, a furnace body 14, a furnace top 15 and a hearth 12, wherein the furnace bottom 11, the hearth 12, the furnace body 14 and the furnace top 15 are sequentially stacked …

Antimony smelting slag is produced from blast furnace during antimony oxides reduction. The slag composition of such antimony smelting slag is FeO–SiO 2 –CaO, and Pb, Zn, and Sb in slag appears as complicated oxides. In the antimony smelting slag, part of Pb exists in the form of PbS.

The blast furnace is similar in structure to a cupola furnace used in iron foundries. The furnace is charged with slag, scrap iron, limestone, coke, oxides, dross, and reverberatory slag. The coke is used to melt and reduce the lead. Limestone reacts with impurities and floats to the top. This process also keeps the lead from oxidizing. The ...

(3) Antimony sulfide concentrate volatilization smelting in blast furnace. The low charge column blast furnace operating on top of hot stove, which is developed by …

The slag dumped from oxygen-enriched smelting of a bottom-blown furnace or antimony smelting of a blast furnace is a valuable source of antimony, but without treatment, it may cause enormous waste of resources and constitute an ecological threat to the surrounding environment. Hence, slag cleaning is important from both …

The invention discloses an antimony ingot production system and an antimony metal smelting blast furnace thereof, wherein the antimony ingot production system comprises an antimony metal smelting blast furnace and a mould, the top of the blast furnace is provided with a feed inlet, the bottom of the blast furnace is provided with a blast pipe …

The utility model discloses a kind of antimony smelting blast furnace grain ore deposit metering system, comprise weigh-hatching plant 7, belt feeder 2 is provided with above described weigh-hatching plant, the top of this belt feeder is provided with storage bin 1, gate 12 is provided with in the bottom of weigh-hatching plant, the below of this gate is …

Smelting in a blast furnace is applied for intermediate grade ores and all other materials containing antimony (25–40% antimony). Rich ores (with 45–60% …

The invention discloses a proportioning method for high-silicon and low-iron slag through volatile smelting of an antimony smelting blast furnace. The proportioning method comprises the following steps of: defining contents of gangue components including SiO2, FeO, CaO, Al2O3 and MgO in charged materials through analysis; and adjusting the …

Efficient Removal of Arsenic and Antimony During Blast Furnace Smelting of Lead-Containing Materials. stan. 2.—Weizmann Institute of Science, Rehovot, Israel. 3.—e …

The utility model provides an antimony smelting blast furnace skip pit dust arrester installation, including setting up on skip pit inner wall, and be close to skip pit open-ended negative pressure mouth, the skip track about one side of skip pit is for supplying the skip, and one side is laid feed belt conveyor, and the opposite side is artifical charge door, the …

A process for smelting and separating antimony from gold includes the following steps: feeding auriferous oxygen powder obtained from a blast furnace by volatilization smelting into a reverberator, obtaining auriferous refined antimony by reduction smelting at a temperature of 800 to 1000 degrees centigrade, adding the auriferous refined antimony …