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water-cooled condensers

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Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004152
EISBN: 978-1-62708-184-9
... Abstract This article addresses the major heat-transfer components of the water-steam loop of a power plant. It describes the various types of condensers, including water-cooled condensers and air-cooled condensers. The article explains the corrosion mechanisms encountered in the condensers...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003701
EISBN: 978-1-62708-182-5
... pretreatment methods of the incoming water and preboiler corrosion protection methods. It analyzes internal treatment and condensate treatment of boilers. The article discusses three types of cooling systems: once-through systems, open recirculating systems, and closed recirculating systems. The corrosion...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005851
EISBN: 978-1-62708-167-2
... controller to prevent condensation. Recirculating water that is too cold (below the dew point) must be avoided to prevent condensation in the power supply, heat station, and coil, and to prevent damaging electrical arcs. Raw water referred to in Fig. 1(a) can be cooling tower water, city water, or well...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004102
EISBN: 978-1-62708-184-9
... condenser cooling system that condenses the main process steam for reuse in the cycle. Service water systems cool a wide range of plant components, some common to most power plants regardless of fuel type, including turbine lubricating oil coolers, generator hydrogen coolers, and pump lubricating oil...
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Published: 09 June 2014
Fig. 1 (a) Water recirculating system for cooling an induction power supply including stainless steel pump, copper pipe, cartridge filter, nonferrous plate-type heat exchanger, and temperature control to prevent condensation. (b) Schematic of closed-loop water cooling system in (a) More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001223
EISBN: 978-1-62708-170-2
... application, water being introduced on the workpieces should be limited by an efficiently operating water separator. Such a separator, with provisions for cooling the solvent condensate as it leaves the trough or by a coil within the water separator, is recommended for all degreasers. 1,1,1-trichloroethane...
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Published: 01 January 2006
Fig. 1 Typical arrangement where raw water is used in service water system and as makeup to the cooling tower. Because the condenser loop is an open-recirculating system, make-up water is needed to replace evaporation and blowdown. More
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004159
EISBN: 978-1-62708-184-9
... systems. In an effort to extract as much energy as possible from the flue gas, it is cooled to temperatures well below the dew point. This has the benefit that the energy that is released by condensation of water also can be utilized. In addition to water, the acid will be stripped from the flue gas. Due...
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Published: 01 January 2003
Fig. 2 Crevice corrosion under seal in type 316 stainless steel sieve from steam condenser cooling water system exposed to flowing seawater for two years at less than 40 °C (104 °F). Source: Ref 56 More
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004160
EISBN: 978-1-62708-184-9
... in water-cooled generators. corrosion crevice-corrosion cracking stress-corrosion cracking corrosion magnetic rate water-cooled generator A SIGNIFICANT DISCOVERY in the corrosion of generators occurred in the 1990s—crevice-corrosion cracking in water-cooled generators. Before delving...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003700
EISBN: 978-1-62708-182-5
... the formation of hydrochloric acid, some will always be present. The acid is distilled and concentrated in the overhead section of the crude oil distillation column. As water condenses during the cooling of the overhead vapor, the hydrochloric acid gas dissolves into the water, creating an excess of hydrogen...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004150
EISBN: 978-1-62708-184-9
... of these are very pure waters, as is the case in the recycle of the boiler condensate; some of them are more or less impure “gray” waters. There are important corrosion issues in these locations also. The condensers are typically cooled with water that may come from local rivers or the ocean, and the flows...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004176
EISBN: 978-1-62708-184-9
.... Temperature and atmospheric composition primarily affect the external surfaces of the plant and plant equipment, causing corrosion that must be repaired periodically. Cooling Water The quality of water used to cool shell and tube heat exchangers can vary from season to season and year to year...
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Published: 01 January 2005
by condensed acid that occurred whenever the flue gas cooled below the acid dewpoint temperature. On-site temperature surveys revealed that the cell operated at ∼120 °C (250 °F) (acid dewpoint), with cooling periods where the metal reached the water dewpoint temperature (∼45–50 °C or 110–120 °F); corrosion More
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005850
EISBN: 978-1-62708-167-2
.... Maintenance tips and points to consider regarding power supplies include: Daily, routinely open the doors to inspect for water-cooling leaks, drips, and condensation. This inspection must be done with the cooling pump on. The ideal time for this is at the end of a shift when the system is warmed up...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006035
EISBN: 978-1-62708-172-6
... of Nuclear Power Plants This article focuses on coatings used in the two basic types of Generation 3 nuclear reactor designs in the United States: the boiling water reactor (BWR) and the pressurized water reactor (PWR). Both are cooled by deionized water (light water or H 2 O) and use enriched uranium...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004154
EISBN: 978-1-62708-184-9
... oxides are more likely with demineralized or reverse-osmosis-type makeup water. Most hardness salts are easily precipitated due to their retrograde solubility. Hardness salts can enter the cycle as impurities in makeup water and in cooling water from condenser leaks. Metal oxides are largely from...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006871
EISBN: 978-1-62708-395-9
... samples of the same color ( Ref 29 ). Fig. 9 Schematic view of a fluorescent ultraviolet test chamber with condensation wetting and cooling from the back side of the test specimen In some devices, the samples can be sprayed with deionized water to simulate rain. However, in most instances...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
..., but if the stream is cooled below its dew point, severe general attack can result from acid condensation on internal surfaces of tube walls. On the outside surfaces of tubes, corrosion may be concentrated in the bottom row of tubes or in other areas where condensates can accumulate. Water vapors containing acids...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... pressure is critical for determining whether the stream will be cooled to below its dewpoint. On the outside surfaces of tubes, corrosion may be concentrated in the bottom row of tubes or in other areas where condensates can accumulate. Water vapors containing acids, hydrogen sulfide, carbon dioxide...