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A marine boiler is supplied with fresh water which is know as boiler feed water. Practically the boiler water should be used in its purest form, as it will reduce salt or deposits on the internal surface and tubes of the boiler, giving maximum heat exchanging efficiency for producing good quality steam.
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The high salinity of boiler water had led to the corrosion. Extensive curriculum and exceptional coaching we offer turn your marine dream into reality. Choose from a wide range of marine …
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23/3/2010 · This converts any remaining steam to condensate which is fed through the deaerator, and several heaters before being pumped under high pressure back into to the boiler via the main boiler feed valve. The feed water must be regularly monitored for impurities by taking water samples from the different stages in the feed water system which comprises of the make-up water and condensate …
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3/9/2020 · BOILER WATER TREATMENT FUNDAMENTALS & CONTRIBUTING ELEMENTS WHICH AFFECT BOILER WATER TREATMENT.ALKALINITY, P ALKALINITY, M ALKALINITY 9345838485, 7004311394 Mon-Sat / 1000-1800
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A.C. LiCausi, Inc., a marine and industrial boiler consultant firm serving the maritime and industrial boiler user, has been formed in New Orleans, La., by A.C. LiCausi, president of the firm. A 1951 graduate of Stevens Institute of Technology, Mr. LiCausi was Foster Wheeler Boiler Corporation's mana. Todd Marine Systems Offers New Brochure On
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30/4/2011 · Boiler water quality is of prime concern to all boiler operators. The process of water treatment in boilers is not limited to producing high quality DM water. The stringent water chemistry requirements of Supercritical power plants makes water treatment in boilers a very critical aspect of power plant operation. This necessitates the use of a high quality water treatment system.
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The water being drained from the boiler is at saturation temperature, and there is a drop in pressure over the orifice almost equal to the whole boiler pressure. This means that a substantial proportion of the water will flash to steam, increasing its volume by a factor of over 1 000.
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3/9/2020 · Calcium Sulphate (CaSO4) Although Calcium Sulphate is more soluble in water than Calcium Carbonate, it can be just as troublesome when present in boiler and cooling water systems. Calcium Sulphate, like Calcium Carbonate, but unlike most salts, has …
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Sub-tropical high pressure belts represent such conditions to cause high salinity. Winds also help in the redistribution of salt in the oceans and the seas as winds drive away saline water to less saline areas resulting into decrease of salinity in the former and increase in the latter.
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1/11/2019 · 4. Auxiliary boiler High salinity in feed water Causes: High salinity alarm. Remedial Actions: Blow down the water. Check for sea water ingress in the system and rectify same before putting the boiler back in operation. 5. Auxiliary boiler feed water turbine pump
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two float switches which measure salinity and chloride in the water Tags: Question 9 SURVEY 120 seconds Q. dumps surplus steam at high pressure to the boiler dumps feed water at high pressure into the exhaust boiler Tags: Question 13 SURVEY
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Alarms and Trips in Boiler, Auxiliary Engine and I.G System. a. Low water level Alarm. b. Too low water level alarm. d. High fuel oil temperature alarm. e. Low fuel oil temperature alarm.
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It is important to check the condenser tube leakage in the event of high salinity in the marine boiler. If leakage is found, the tube must be plugged using a metal plug or as advised by the manufacturer.
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•Pressure range – 60-84 bar • Critical needs – High quality makeup water • External pre-treatment through distillation and mechanical deaeration – High purity steam to the turbine – No excess hydrate alkalinity – Precise control of total system water treatment High
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A marine boiler is commissioned with several automation systems so as to generate the required steam pressure with independent automatic operation. The automation includes monitoring and alarm systems, automatic feed supply system, level control system, fuel control system, electrical system and sequence operation system.
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Boiler Pressure 200 psig Feedwater temperature: 215 F Makeup water temperature: 60 F Fuel (oil): 145,000 Btu/gal (@ 80% boiler efficiency) X .80 Available fuel heat: 116,000 Btu/gal (heat reduction) 17,144,238 Btu/day Heat of liquid at boiler 362 -28
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22/7/2021 · There is a limit on maximum amount of salinity which a boiler water can sustain. If this value exceeds than normal then there is a risk of formation of larger bubbles. Larger the bubbles produced greater the turbulence on water surface and this causes foaming
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Marine Boilers. Marine boilers are designed to be compact, with high efficiency and reliability. Main boilers produce superheated steam at high pressure suitable for use within turbines – typically 60barg and 515DegC. Today, main boilers are most commonly found on LNG carriers where the boil off gas from the cargo is used as the primary fuel.
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11/2/2020 · Boiler water cascade tank was fitted with a salinometer, to verify that the feed water salinity is under control. Corrective Action/ Lessons to be learnt: Discharge operation stopped. Found boiler water salinity to be above 450ppm. Later found boiler water Distilled fresh water tanks ppm. To be high …
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Boiler - An Overview ( Full Description ) - Marinerspoint
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