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dust collection systems

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Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006075
EISBN: 978-1-62708-175-7
... systems Table 3 Resources for powder metal dust collection systems Resource Information Hazard communication guidance for combustible dusts, OSHA 3371-08, 2009 Information about identifying and controlling the potential for dust explosions NFPA standard 68 Information about...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004137
EISBN: 978-1-62708-184-9
... systems, where there is the need to collect dust for air pollution control. In every case, fine particles of dust can become entrained in the exhaust air and must be removed prior to discharge of the air. The three most common types of dust collection equipment are fabric filters, electrostatic...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005717
EISBN: 978-1-62708-171-9
... the volume of hot gases. The booth/chamber, fume hood, and dust-collection system must be able to handle the temperature of the gas, the volume of the gases, and the broad spectrum of fume and dust that exits the process. The jet effluent also consists of asphyxiating gases (argon, nitrogen, hydrogen...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006544
EISBN: 978-1-62708-290-7
..., collection, and filtering of the residual powder from the AM process. The mechanisms that generate dust and keep it suspended in air arise from aerodynamic forces. Any dust that is generated can get carried away to another place as a result of air currents. Ventilation air flows or air streams generated...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005759
EISBN: 978-1-62708-171-9
...Abstract Abstract This article discusses the safety issues associated with the design and operation of thermal spray booths and spray box structures and the equipment or systems required for operating thermal spray processes. It describes the design elements necessary to mitigate sound, dust...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002186
EISBN: 978-1-62708-188-7
..., removal of grinding dust. The dust produced by the dry grinding of magnesium must be immediately removed from the work area with a properly designed wet-type dust collection system. Proper systems precipitate the magnesium dust using a heavy spray of water and should be designed so that dust or sludge...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003424
EISBN: 978-1-62708-195-5
... composites generally form chips rather than particulates, electrical problems have not been experienced with these materials. The aforementioned machining processes can be completed dry (with vacuum) or wet. When machining dry, a vacuum system must be used to collect the dust particulates to prevent...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006061
EISBN: 978-1-62708-172-6
... and spray paint application produce dust and diminish worker visibility. For many jobs, especially in confined or enclosed work areas, ventilation fans, air horns, or dust collection systems control dust and provide better visibility. Many painting projects involve disturbance of existing coatings...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005354
EISBN: 978-1-62708-187-0
... system. Both of these processes generate an offensive odor due to the gases used; therefore, the exhaust gases must be collected and treated to remove the odor. For the most part, these two processes are used to make cores, but there is no reason why they could not be used to make molds. Some...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006484
EISBN: 978-1-62708-207-5
... be an environmental and workplace hygiene hazard if released. Furthermore, shredder operation generates heat. If the dust contains organic vapors from vaporizing grease or oil in the scrap, this can result in a significant explosion hazard. As a result, all dry shredders have a dust-collection system operating under...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006030
EISBN: 978-1-62708-172-6
...-scale releases and to provide a real-time indication of the effectiveness of the containment system at controlling emissions, visible-emission assessments are often performed. Real-time assessments allow for immediate corrective actions to be made to dust-collection equipment or the containment system...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002156
EISBN: 978-1-62708-188-7
... be controlled by a foot valve for pulsed operation or a manual valve for continuous operation. (Good grounding within the system bleeds off the static electric charge created by the high-velocity stream.) A dust hood or collection cabinet used in conjunction with a vacuum dust collector is needed to limit...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001118
EISBN: 978-1-62708-162-7
... Lead Recycling Processes EAF Dust Characteristics Recycling Technology New Dust Processing Technologies Summary Melting Properties of Secondary Magnesium Collection Processing Battery Scrap Collection and Processing Environmental Regulations Battery-Breaking Processes...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006007
EISBN: 978-1-62708-172-6
... to preheating, the field joint must be air-blown or brushed free of dust or debris. Any flash rusting is most likely an indication of salt contamination or dewpoint problems, and appropriate remedial steps should be taken. An induction generator and coil system raises the girth weld substrate temperature...
Book Chapter

Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005243
EISBN: 978-1-62708-187-0
...” in this article). Included in the control program for a green sand system should be routine monitoring of the dust collection system. Particular attention should be given to the screen distribution, methylene clay content test, and the total combustible level test. Deviations from normal operating levels...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001310
EISBN: 978-1-62708-170-2
... are applied to magnesium parts primarily to improve their appearance and corrosion resistance. Many factors may be involved in selecting a suitable surface treatment or finishing system, including surface conductivity, wear resistance, the service environment, alloy composition, and the presence (or absence...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005195
EISBN: 978-1-62708-187-0
... Basic Melting Practice Newer Technologies Roof Structure Tilt Control Furnace Shell Spout and Tap Hole Tap-out and Back-Slagging Pits Water-Cooling System Preheat and Furnace Scrap Burners Fume and Dust Collection Ladles Scales Quality-Control Testing Equipment...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001282
EISBN: 978-1-62708-170-2
... and higher substrate temperature. The closed system also minimizes environmental problems such as dust and noise. Figure 6 shows a typical inert-atmosphere and/or low-pressure plasma chamber. Normal operating procedures require that the spray chamber be pumped down to quite low pressures, as noted...
Book Chapter

By John C. Bittence
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003222
EISBN: 978-1-62708-199-3
... where oil, grease, and plastic coatings burn off. Volatile metals such as lead or zinc also vaporize and can be collected as baghouse dust. Refractory metals such as chromium or tungsten are oxidized and collected in the slag. The final product is nickel (or nickel alloy) pig or shot that is uniform...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005197
EISBN: 978-1-62708-187-0
... house systems are able to meet these new regulations. High-energy wet scrubbers use high-velocity water jets to impinge atomized water droplets on effluent dust particles passing through a venturi scrubber. The result is a dirty water sludge. This dirt and water sludge requires thickening...