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  • US8133295B2 Method and apparatus for lead smelting

    - Google Patents A method for producing lead involves feeding lead concentrate, flux and solid fuel passing to a feed preparation unit. The prepared, mixed feed is then passed to a lead smelting...

    CN101321880A Method and apparatus for lead smelting

    A method for producing lead involves feeding lead concentrate, flux and solid fuel passing to a feed preparation unit (10). The prepared, mixed feed is then passed to a lead smelting furnace (14),...

    JP5480502B2 Method and apparatus for lead smelting

    JP5480502B2 Method and apparatus for lead smelting Google Patents Method and apparatus for lead smelting Download PDF Info Publication lead slag furnace blast furnace smelting furnace Prior art date 2005-10-06 Legal status (The legal status is an assumption and is not a legal conclusion.

    Method and apparatus for lead smelting Yunnan

    04-04-2008· A method for producing lead involves feeding lead concentrate, flux and solid fuel passing to a feed preparation unit. The prepared, mixed feed is

    METHOD AND APPARATUS FOR LEAD SMELTING Patent

    16-10-2008· Patent application title: METHOD AND APPARATUS FOR LEAD SMELTING Inventors: Philip Scott Arthur (The Gap, AU) William John Errington (Samford, AU) Assignees: YUNNAN METALLURGICAL GROUP XSTRATA TECHNOLOGY PTY. LTD. IPC8 Class: AC22B404FI USPC Class: 75 1035 Class name: Processes electrothermic processes (e.g., microwave, induction, resistance, electric arc, plasma, etc.) reducing or smelting

    Method and apparatus for lead smelting

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    Lead smelting Wikipedia

    Methods ranged from primitive open-hearth arrangements (essentially bonfires on which lead ore was piled) to blast furnaces capable of continuous operation. In the USA there are 400 forgotten lead smelting firms that operated in the 1930s to 1960s and may have deposited dangerous levels of lead contamination in nearby soil.

    Lead Ore Smelting Method Stone Crushing Machine

    Lead ore mining processing,Concentrate and smelting of lead . lead ore material for the smelter and a small amount of lead sulfide ore concentrates.Smelting of lead fire assay method and wet, the world dominated by fire assay . Click & Chat Now

    CN102618729B Smelting method and device for molten

    The invention discloses a smelting method and device for molten oxidized lead slag. The smelting method comprises the following steps of: enabling high-lead slag melt obtained by oxidization and smelting of a lead sulfide concentrate melting pool to flow into a rectangular reduction furnace through a chute, spraying oxygen-enriched air into molten high-lead slag melt through air openings at

    A method and apparatus for operating a smelting reduction

    A method and apparatus for melting reduction process operation, wherein at least a portion from the blast furnace (1) or reducing device (R1) in the output of the gas turbine in the gas turbine and with the use of heat (24) in the waste heat steam generator (16) the exhaust gas used to generate steam. Gas retention portion is fed to the output means (8) for separating carbon dioxide, in which

    Discovering Unrecognized Lead-Smelting Sites by Historical

    Discovering Unrecognized Lead-Smelting Sites by Historical Methods. 626 American Journal of Public Health April 2001, Vol. 91, No. 4 TABLE 2—Preliminary Investigation of Baltimore and Philadelphia Sites Soil Lead, Distance to Site Name mg/kg Residences, blocks City

    US20030144716A1 Method and apparatus for shunting

    An electrical lead end cap includes a body defining a bore therein capable of receiving and retaining an end of an electrical lead and a connector capable of electrically coupling conductors leading to at least two electrodes. A method includes routing an electrical current induced in an electrical lead conductor disposed within body tissue to a plurality of electrodes, electrically coupled

    US3636624A Method and apparatus for inserting lead

    An apparatus and method for inserting taped resistors of the type having at least two leads and like components into printed circuit boards. The apparatus comprises a feed mechanism utilizing a rotating feed wheel which in the method places components into engagement with the jaws of an insertion head whereupon the insertion head cuts the component from the tape and carries the component down

    US4460166A Method of removing dross from a lead refining

    Dross is removed from molten lead during its refining by scraping the dross by means of a rake up a ramp fitted to the rim of the refining pot, a baffle being placed to trap dross in front of the ramp. The rake may be operated manually or by means of a power operated device.

    Lead Smelting Base Metal Smelting

    A major and primary Lead mineral is galena (chemical formula = PbS) which comprises of 86.6% of Lead [1]. In order to smelt this mineral, a blast furnace is needed to be used. A blast furnace is an enormous oven which is used to accomplish the smelting processes [2].

    Electrosmelting of Lead-Containing Dusts from Copper

    28-08-2015· Experimental and mathematical modeling work has been conducted to develop an effective technological scheme for processing lead-containing dusts generated in copper smelting. The work incorporates conditions of melting, charge composition, and the physical parameters of the dust. The optimal conditions of electrosmelting have been established for complete and comprehensive

    Method and apparatus for sensing lead and transthoracic

    A method and apparatus for use with medical electrode systems that sense the integrity of lead connections and patient transthoracic impedance is provided. In an ECG electrode application, a carrier circuit (12) produces two carrier signals (SC1 and SC2) that are out of phase with each other.

    Method and apparatus for diagnosis of lead toxicity

    Improved methods and apparatus for in vivo measurement of the skeletal lead burden of a patient and for diagnosis of lead toxicity are disclosed. The apparatus comprises an x-ray tube emitting soft low energy x-rays from a silver anode, a polarizer for polarizing the emitted x-rays, and a detector for detecting photons fluoresced from atoms in the patient's tibia upon irradiation by the

    Method and apparatus for smeltering silica carbide

    The present invention provides a method for smelting silicon carbide and its equipment. It is characterized by that its smelting furnace is electric resistance furnace, and its reaction material includes carbon material and silicon dioxide material, after the reaction materials are mixed, they are placed along the periphery of furnace core, said surface core is formed from graphite powder.

    Iron extraction from lead slag by bath smelting

    01-08-2017· Hence, zinc and lead are reduced to metal, while iron is reduced to ferrous in bath smelting process. Abundant carbon needs to be added for reducing zinc, lead and iron oxides simultaneously, which makes carbon content in metal iron higher. It is necessary to develop a more advanced method to solve above problems.

    METHOD AND APPARATUS FOR LEAD LENGTH

    31-07-2008· A method and apparatus for positioning a lead within an anatomy is disclosed. The apparatus can be tracked relative to the anatomy to determine the position of selected portions of the anatomy. The positions of the portions of the anatomy can be used in determining an appropriate lead length to be positioned within the anatomy.

    Lead and you HSE

    Lead is not absorbed through the skin except in the form of lead alkyls (an additive to petrol) and lead naphthenate which are not covered in this leaflet. Any lead you absorb at work will circulate in your blood. Your body gets rid of a small amount of lead each time you

    PA/a/2003/005488 METHOD AND APPARATUS FOR

    method and apparatus for feeding solid material and oxidizing gas into suspension smelting furnace Abstract The invention relates to an apparatus for feeding finely divided solids, containing at least sulphidic metal concentrate, and oxygenous oxidizing gas into a suspension smelting furnace, said apparatus comprising elements for conducting solids and oxidizing gas into the suspension

    Method and apparatus for connecting cords/filaments

    An apparatus for welding monofilaments at a loom makes possible a method for a continuous process for weaving monofilaments into fabric. The apparatus comprises a stand (15) on which is mounted welding apparatus (16) and a filament alignment block (20). In the method, a monofilament (30a) in the loom is welded to the leading end of a monofilament (30) on a new spool of monofilament.

    Lead: smelting, producing and classification-Metalpedia

    A major and primary Lead mineral is galena (PbS) which comprises of 86.6% of lead. In order to smelt this mineral, a blast furnace is needed to be used. A blast furnace is an enormous oven which is used to accomplish the smelting processes. According to their properties and applications, lead alloys can be classified into: corrosion resistant alloys, battery alloys, solder alloys, printing

    Electrosmelting of Lead-Containing Dusts from Copper

    28-08-2015· As the starting materials for experiments on electrothermal recycling of lead-containing dust of copper smelters, sodium sulfate, sodium carbonate (technical soda containing 96.5–97 % Na 2 CO 3); as a reducing agent, charcoal and coke fines were used.. The process equipment (Fig. 1) consisting of a shaft furnace, dust collection devices, and the absorption columns for the analysis of

    Method and apparatus for diagnosis of lead toxicity

    Improved methods and apparatus for in vivo measurement of the skeletal lead burden of a patient and for diagnosis of lead toxicity are disclosed. The apparatus comprises an x-ray tube emitting soft low energy x-rays from a silver anode, a polarizer for polarizing the emitted x-rays, and a detector for detecting photons fluoresced from atoms in the patient's tibia upon irradiation by the

    Lead Dust Protective Gear for Fishermen Melting Lead PK

    09-09-2014· Lead particles and fumes will definitely be blocked by this filter as long as the mask is fit properly. While you can get N100 disposable masks such as the 3M 8233 Particulate Respirator,also known as the 3M Lead Dust Mask, it's been my experience that disposable masks rarely provide the same level of face seal as the reusable masks like the 3M 6000 series or 7500 series half face

    Method and apparatus for detecting lead sensing

    02-11-1995· Method and apparatus for detecting lead sensing artifacts in cardiac electrograms (PAT US5558098) FAIN ERIC S VENTRITEX INC. Patent: United STATES Patent United States. Application: US19950556790 on 1995-11-02. Publication: 1996-09-24. Abstract. An ICD system

    Recovery method for lead smelting zinc-containing waste

    The invention provides a recovery method for a lead smelting zinc-containing waste material. The recovery method comprises the following steps: batching; carrying out first-time immersion and second-time immersion; carrying out dechlorination operation; removing iron by oxidation; performing first-stage purification, second-stage purification, third-stage purification and electrolysis.

    METHOD AND APPARATUS FOR DEFLECTING A

    An apparatus for deflecting a catheter or lead, for example a deflectable stylet or guidewire. The device includes an outer tubular member, a tension member mounted within the outer tubular member and coupled to the outer member and a handle mounted at the proximal end of the tubular member.

    Lead and you HSE

    Lead is not absorbed through the skin except in the form of lead alkyls (an additive to petrol) and lead naphthenate which are not covered in this leaflet. Any lead you absorb at work will circulate in your blood. Your body gets rid of a small amount of lead each time you

    Mining and metallurgy in medieval Europe Wikipedia

    Lead mining, for example, ground to a halt due to the Black Death pandemic, when atmospheric lead pollution from smelting dropped to natural levels (zero) for the first and only time in the last 2000 years. The great demand of metals, e.g. for armour, could not be met due to

    Balbach Smelting & Refining Company Wikipedia

    Balbach Smelting & Refining Company (also known as Balbach and Sons Refining and Smelting Company) was a smelting plant in Newark, New Jersey operating in the late 19th and early 20th centuries. It was the first commercial electrolytic refinery in the United States, and until its closure in the 1920s, it was the second largest metal processing enterprise in the United States.

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