Solved 8 A steam boiler economizer heats 160000 lb of


Solved 8 A steam boiler economizer heats 160000 lb of

Solved 8 A steam boiler economizer heats 160000 lb of
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  • Chapter 14 Boilers - Pearson

    292 Chapter 14 Stack—an opening at the top of the boiler that is used to remove flue gas, p. 297. Steam drum—the top drum of a boiler where all of the generated steam is collected before entering the distribution system, p. 293. Steam trap—a device used to remove condensate or liquid from steam systems, p. 294. Superheated steam—steam that has been heated to a very …Get Price

  • HRSG SIMULATION V.Ganapathy | PDF | Boiler | Steam

    Example:160,000 lb/h of exhaust at 950 F enters a HRSG to generate 600 psig steam at 750 F from 230 F water.Determine unfired steam production and also burner duty,firing temperature and exit gas temperature when generating 35,000 lb/h of steam at 600 psig,750 F. Solution:Using 25 F pinch and 20 F approach,compute energy absorbed by SH+evap=160 Get Price

  • Subcritical Coal-Fired Power Plant Flowsheet (steady state

    Specifically, HP steam from the boiler passes through a throttle valve prior to entering the HP turbine, after which some is extracted to supply heat to feedwater heater (FWH) 6 while the remaining steam is sent back to the boiler to be reheated. The reheated steam then enters the IP turbine section where some is extracted to supply heat to FWH 5.Get Price

  • Resilient Redundant Control Systems Bridging Multiple Plants

    160,000 lbs/hr: 130,000 lbs/hr Dual Fuel Boiler. 100,000 lbs/hr Boiler: 5,000 tons. 105,000 lbs/hr Dual Fuel Boiler: 50,000 lbs/hr Boiler. 20 MW: 2 – 50,000 lbs/hr Heat Recovery Steam Generators (HRSG) 2 – 1,225 Ton Economizer [Free-Cooling] Heat Exchangers: 2 – 30,000 lbs/hr HRSG Gas Fired Duct Burners (Supplemental) 1,200 Ton Satellite Get Price

  • Technical Stuff

    Economizer Energy Calculations Boiler Rated Efficiency PVC and CPVC Pipe Calculation Pressure Surge = aV/ 2.31g = Shock Pressure pipe is exposed to. a= 4660/ (((1+ (Kdi/Et))^.5) Latent Heat of Steam (Btu/Lb) t= Time in Hours Lbs. From Charts From Steam Charts Start Temp Final Temp Delta T= BTU/Hr = Common Specific Heats of Solid Materials SteelGet Price

  • Boiler – Fundamentals and Best Practices

    Aug 26, 2011 · The first step is to understand the load-versus-efficiency characteristics of a typical package boiler. Table 1 shows performance variation as a function of load. The boiler with an economizer generates 100,000 lb/h of saturated steam at 400 psig using natural gas. At load, the exit gas temperature is 320 °F. Excess air is 15%.Get Price

  • Power Generation Solutions for Oil and Gas » Babcock & Wilcox

    Requirement: Steam generation solution that could provide five minutes' worth of water retention in case of a loss from feedwater pumps before a low-water trip to the boiler B&W Scope: 115,000 kg/h (253,532 lb/h) elevated three-drum water tube boiler, dual low NOx burners, dual forced draft fans, economizer, control system Result: Drum level didn't deviate more than 15 mm from set …Get Price

  • (Get Answer) - 1.Compare the enthalpy of saturated steam

    Jul 14, 2021 · 1.Compare the enthalpy of saturated steam at 900 psia with the enthalpy of superheated steam at 900 psia and 950°F. What are the degrees of superheat? 2. A water-tube boiler has a capacity of 1 50,000 lb / h of steam at a pressure and temperature of 385 psig and 500°F. Feed water enters the economizer at 250°F and leaves at 346°F.Get Price

  • HRSG SIMULATION V.Ganapathy | Boiler | Steam

    Example:160,000 lb/h of exhaust at 950 F enters a HRSG to generate 600 psig steam at 750 F from 230 F water.Determine unfired steam production and also burner duty,firing temperature and exit gas temperature when generating 35,000 lb/h of steam at 600 psig,750 F. Solution:Using 25 F pinch and 20 F approach,compute energy absorbed by SH+evap=160 Get Price

  • 16 tonne 20 bar steam boiler – Industrial Boiler

    Sep 25, 2017 · Example: Producing 1 t of saturated steam at a pressure of 1 bar (boiling point 100 °C) requires the following energy: 1. Heating fresh water (assume 20 °C) to boiling point of 100 °C … boiler feed water (this tank should be insulated). …. (from cane or beets) and to raise the content of dry solids from 12 – 16% to 68 – 72%.Get Price

  • Steam Boiler: Deaerator-Economizer as Feedwater Heater …

    Simple payback: 5.8 months Installation cost not included in example "Manufacturing Waste Heat Transfer Products to Save Energy" .cainind.com Case Study #2 Location: Dow Corning Corp., Midland, MI Boiler: 2500 HP Steam Boiler Exhaust gas temp before economizer: 450º F Exhaust gas temp after economizer: 332º F Btu transferred into Get Price

  • Boiler Efficiency | How to balance steam loads efficiently

    Use Feedwater Economizers for Waste Heat RecoveryGet Price

  • How To Calculate The True Cost of Steam

    between the major subsystems—fuel system, boilers, steam turbines, gas turbines, deaerators, flash drums, desuperheaters, economizers, heat exchangers, and process steam users/sources. The model accounts for the significant flows into and out of each subsystem, as well as for the boiler system as a whole.Get Price

  • High Voltage Electrode Steam Boiler - Acme

    The Model CEJS High Voltage Electrode Steam Boiler, is the proven leader with more hours of operating experience over a wide range of ap- LBS,'VAPEURIHR de 212.F 4.16 KV 1570 5100 10400 15490 20810 35700 13.8 6700 13600 possibilities wherever a need for process or space heating steam exists. A partial list of possible uses includes Get Price

  • Solution Authoring Guidelines

    B. through the economizer. C. by using steam traps. D. Through the vent. Solution: Closed feed water heater consists of outlet valve, bypass line and valve. It provides passage for feed water to the boiler. Hence, option A is wrong. An economizer uses the heat from the combustion gases to heat the feed water before it enters the boiler.Get Price

  • Steam power plant configuration, design, and control

    dinated boiler-following (BF) mode and coordinated turbine-following(TF)mode.1,5,7,8 Historically, boiler following schemes were the first to be used.9 In boiler following mode, the boiler awaits the actions of the turbine to match the requested generation. The turbine control valves regulate the steam flow into the turbine in terms ofGet Price

  • Reference Guideline for Industrial Boiler Manufacturers to

    The results, shown in Tables 2 and 3, were achieved with CO concen- trations of less than 500 ppmV and particulates emissions of less than 0.10 Ib/million Btu. 5.2 COMBUSTION MODIFICATION ON A BOILER RATED AT 45,000 LB/HR OF STEAM FLOW The boiler was a single-burner oil- and gas-fired packaged water- tube unit rated at 45,000 Ib per hour of Get Price

  • ADDENDUM NO. (1)

    Mar 10, 2021 · 3. Boilers and Condensate System (weekly tests) – 3qty One Heat recovery steam generator: O-style water tube with economizer, 80,000 lbs/[email protected] psig Two package Boilers: D-style water tube with economizer, 80,000 lbs/[email protected] Feed Water Deaerator: Horizontal Dish head, 8,300 gal (62,200 lbs)Get Price

  • Performance of Coal-Burning Steam Locomotives

    of 51,400 lbs. of steam per hour at 600 p. s. i., and 900-degs. F. The boiler is fired by a stoker similar to the con-ventional locomotive stoker, with steam jets to distribute the coal over a traveling grate. The design also includes forced draft, an economizer, an air heater and pneumatic controls for automatic operation.Get Price

  • Boiler Economizer Systems - CleanBoiler.org

    Use Feedwater Economizers for Waste Heat RecoveryGet Price

  • waste heat boiler nitric acid - schmitt-weihersmuehle.de

    D. 18.23% A waste heat recovery boiler produces 4.8 Mpa (dry . emissivity factor is 0.8 calculate the radiated headloss for 3m be device if its pressure exceeds the requirement of a absorption refrigerator, based on the refrigerator can only use saturated steam with the steam pressure of 0.4MPa~0.8Mpa.Get Price

  • Startup procedure - Phillips Petroleum Company

    The effluent gases are removed from the feedstock preheater 23 by way of line 31 at about 300° F. and are then blended with at least a portion of the flashed (now superheated) high pressure steam 41 produced in the waste heat boiler 15 after the gases pass through the feed water (economizer) heat exchange zone 32 which is used to preheat Get Price

  • JRB PowerPointPresentation OptimizingEnergySavings 1210

    Economizer Types (continued) Two‐Stage Stack (Condensing) y1st stage extract sensible heat to heat boiler feedwater y2ndd stage extract remainingsensible heat and latent heat to preheat other plant users of hot water yUp to 10% savings in bilboiler effi ifficiency yEnergy savings: $160,000/year yEi dEstimated first costs ildiincluding fdfeedwater piiiping, hotGet Price

  • Water-tube Package and Industrial Boilers » Babcock & Wilcox

    and more. Backed by more than 5,000 units and 150 years of experience, B&W's water-tube package and industrial boilers have an established reputation for reliability and proven performance. They are engineered to meet unique capacity, space, fuel, emissions, transportation, installation and other requirements. They offer reliable power with low Get Price

  • Thermodynamics eBook: Ideal Regenerative Rankine Cycle

    For convenience, heat and work interactions for regenerative Rankine cycle is expressed per unit mass of steam flowing through the boiler. They are: Heat Input: q in = h 5 - h 4 Heat Output: q out = (1 - y)(h 1 - h 7) Work Output: W turb,out = (h 5 - h 6) + (1 - y)(h 6 - h 7)Get Price

  • Consider Installing a Condensing Economizer

    of evaporation (94.3 lb x 970.3 Btu/lb) is released up the boiler stack. This la-tent heat represents approximately 9% of the initial fuel energy content. The bulk of this latent heat can be recov-ered by cooling the exhaust gas below its dew point using a direct contact or indirect condensing economizer. It is possible to heat water to about 200°F with an indirect economizer or 140°FGet Price

  • Solved 8. A steam boiler economizer heats 160,000 lb of

    8. A steam boiler economizer heats 160,000 lb of water per hr from 250 deg. F to 335 deg Fat an average pressure of 700 psia. The flue gas enters the economizer at a temperature of 1400 F and leaves at a temperature of 800 F.Get Price

  • Deaerator pressure control system for a combined cycle

    A boiler feed pump (not shown) circulates, through a valve VV2, heated feedwater via line 7 from the economizer (within HRSG 18) into the vapor phase portion of the deaerator 68 and saturated steam, from the high pressure steam drum, is recirculated in a fashion known as "pegging" by a pump (not shown) through a valve VV3, via line 8, into the Get Price

  • Recent blog posts - Nationwide Boiler Inc. - Boiler Blog

    Oct 01, 2021 · With design pressures of up to 1,200 psi, these boilers can be built to supply as little as 10,000 lbs/hr to as much as 250,000 lbs/hr of saturated or superheated steam. The patented design provides an unmatched, compact footprint and is a great option when looking to replace an existing unit or add capacity to your facility.Get Price

  • Chapter 14 Boilers - Pearson

    million Btu ($8.00/MMBtu). From the steam tables, the following enthalpy values are available: For 150-psig saturated steam: 1,195.5 Btu/lb For 117 °F feedwater: 84.97 Btu/lb Boiler heat output = 45,000 lb/hr x (1,195.5 – 84.97) Btu/lb = 50 million Btu/hr The recoverable heat corresponding to a stack temperature of 500°F and aGet Price

  • Use Feedwater Economizers for Waste Heat Recovery

    Boiler Efficiency | How to balance steam loads efficiently Get Price

  • Applied Thermodynamics, 3rd Edition [eko710lnx3o3]

    13. In a steam power plant 5 kW of heat is supplied in boiler and turbine produc es 25% of heat added while 75% of heat added is rejected in condenser. Feed water pump consumes 0.2% of this heat added First Law of Thermodynamics _____ _ 83 for pumping condensate to boiler.Get Price

  • Chemical Process Industries | PDF | Natural Gas | Sodium

    The use of elevated pressures (1,400 lb. per sq. in. and higher for steam generation) requires the employment of more carefully purified boiler feed water. And each industry! has its special water-conditioning requirements, e.g., laundries require zero hardness to prevent precipitation of calcium and magnesium soap on the clothes.Get Price

  • (PDF) Industrial Boilers and Heat Recovery Steam

    Academia.edu is a platform for academics to share research papers.Get Price

  • Maximize Boiler Heat Recovery with Condensing Economizers

    Steam Boiler: Deaerator-Economizer as Feedwater Heater in Steam BoilerGet Price

  • Solved Problem solving. Solve the following problems

    [10.45 kg/kg of coal, 70.65%] 4. Steam is generated at 100000 kg/hr from a boiler at 100 bars, 500C with feed water supplied at 160C. The fuel burnt in boiler has calorific value of 21000 kJ/kg and boiler efficiency is 88%. Determine rate of fuel burnt per hour and percentage of total heat absorbed in economizer, evaporator, and superheater.Get Price

  • (Get Answer) - A steam power plant operates on a Rankine

    May 20, 2021 · A steam power plant operates on a Rankine cycle with reheat and an economizer. The path of the flue gas through the steam generator is the superheater, reheater, boiler and economizer. The boiler produces 160000 kg/h of steam at a pressure of 12 MPa and the superheater delivers steam at 650°C to the first turbine.Get Price

  • NTPC Training Report | Boiler | Gas Compressor

    The flue gas from the turbine has a very high temperature of 5400oC. This is utilized to heat the water in the boiler drums. High power boiler drum absorbs most of the heat from the flue gas and thus generates high power steam. 10. Low pressure boiler drum The remaining heat is absorbed by the low power boiler drum. Thus low power steam is Get Price

  • Biomass, Chemical Recovery & Energy-from-Waste Boiler News

    The steam load averaged 220,000 lb/hr during tuning on biomass firing plus a small amount of tire-derived fuel and natural gas through the burner ignit-ers. Whereas Boiler A had high CO as a result of excessive air flow, Boiler B's issue was too little air. Flue gas oxygen at the ID fan outlet was only 4.8%, with almost 1,100 ppm of CO.Get Price

  • Boiler Rental - Powerhouse Boiler Equipment

    ConDex Economizer installed to recover waste heat from 3 x 450 HP firetube boilers. Two Stages of separate heat recovery sections heat: - bldg heating loop water (160 to 190 F) - boiler make up water (45 up to 175 F) Energy saving: 4,293,800 Btu/hr Annual cost savings: $421,900 Installed payback: 8.5 months Case Study: Indirect Condensing EconomizerGet Price

  • 1937 Institution of Mechanical Engineers: Visits to Works

    The steam supply from the waste-heat boilers is augmented by any of four Lancashire boilers equipped with turbine furnaces, superheaters, and economizers. The gas from the machines passes through three water-cooled condensers and four vertical scrubbers to a two-lift relief gasholder of 182,000 cu. ft. capacity, in a steel tank.Get Price