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  • Water Handbook - Boiler Feedwater Deaeration | SUEZ

    The spray type is also referred to as the "spray-scrubber" type because a separate scrubbing section is used to provide additional steam-water contact after spraying. The tray-type deaerating heater, shown in Figures 10-4 and 10-5, consists of a shell, spray nozzles to distribute and spray the water, a direct-contact vent condenser, tray Learn More

  • Waste heat recovery mechanism for coal-fired flue gas in a

    2 days ago · Li et al. used the absorption heat pump to produce the cooling water, which was to be sprayed in the direct contact scrubber to cool down the flue gas of gas-fired boilers. On the other hand, several methods exist to increase the dew point temperature, and the most promising method is humidification, which increases the water content in the Learn More

  • Boiler Introduction | CleanBoiler.org

    GAS-FIRED, DIRECT VENT, CONDENSING, HOT - Dunkirk BoilersLearn More

  • Waste heat recovery mechanism for coal-fired flue gas in a

    2 days ago · Li et al. used the absorption heat pump to produce the cooling water, which was to be sprayed in the direct contact scrubber to cool down the flue gas of gas-fired boilers. On the other hand, several methods exist to increase the dew point temperature, and the most promising method is humidification, which increases the water content in the Learn More

  • Direct Contact Water Heater - Ellis

    While boiler efficiency is usually between 70% and 80%, and you wait for hot water, Ludell has hot water ready at all times. Each heater is divided into an upper zone with a cold-water spray nozzle, a middle zone with stainless steel transfer packing media and a lower combustion zone where heat from the burner comes into contact with the water Learn More

  • (PDF) Boiler Calculations | Michael Dellon - Academia.edu

    Spray water group dimensioning is usually based on a steam temperature decrease of 15-40 °C by water spraying. Spray water originates normally from the feedwater line before the economizer. Thus the pressure difference is the pressure loss of the heat transfer surfaces between the economizer inlet and the location of the spray water nozzle.Learn More

  • GAS-FIRED DIRECT VENT BOILER User's Information Manual

    When the boiler is used as the heat source for an indirect storage tank, the temperature of the water will be 140°F - 180°F (60°C - 83°C). Install an anti-scald mixing valve on the hot water supply side of the indirect tank to prevent scalding. (Continued) Hot Water temperature over 125 °F …Learn More

  • Advantage Direct Vent Gas Fired Water Boiler

    gas boiler is a residential, cast iron, gas-fired water boiler, designed for applications where chimneys are not available. Advantage Direct Vent can be direct vented (sealed combustion) using fresh air from outside or it can also be used in power vent applications where combustion air is taken from the household. 130,000 BTU/hour, and is Learn More

  • User's Information Manual Series 2 Gas-Fired Water Boilers

    GV90 Series 2 GAS-FIRED WATER BOILER — User's Information Manual Part number 55-142-83/218 3 STOP!! — Read before proceeding User — Have this boiler serviced/inspected by a qualified service technician, at least annually. Failure to adhere to the guidelines on this pageLearn More

  • Amazon.com: Direct Vent Water Heater

    Rheem RTG-84DVLN 8.4 GPM Low NOx Direct Vent Tankless Natural Gas Water Heater. 4.0 out of 5 stars 44. Rheem RTGH-84DVLN Indoor Direct Vent Natural Gas Condensing Tankless Water Heater Low Nox Helps Prevent Scale Build Up On Hot Water Heaters and Boilers. 4.6 out of 5 stars 1,906. $55.41 $ 55. 41 $92.88 $92.88. Save more with Subscribe Learn More

  • (PDF) Boiler Calculations | Michael Dellon - Academia.edu

    Spray water group dimensioning is usually based on a steam temperature decrease of 15-40 °C by water spraying. Spray water originates normally from the feedwater line before the economizer. Thus the pressure difference is the pressure loss of the heat transfer surfaces between the economizer inlet and the location of the spray water nozzle.Learn More

  • Economizers | CleanBoiler.org

    See also Flue Gas Condensers that are used when water and flue gases come in direct contact with each other. How They Work. Boiler stack economizers are simply heat exchangers with hot flue gas on one side and water on the other. Or, in direct contact condensing units, the make-up water is in direct contact with the flue gases.Learn More

  • Economizers | CleanBoiler.org

    The PurePro ® Advantage Direct Vent gas boiler is a residential, cast-iron, gas-fired water boiler, designed for applications where chimneys are not available. Advantage Direct Vent can be direct vented (sealed combustion) using fresh air from outside or it can be used in power vent applications where combustion air is taken from the household.Learn More

  • Investigation of a Heat Pipe Heat Exchanger Integrated

    Jan 01, 2014 · Compared with the conventional methods of preventing corrosion by avoiding acid dew point or using the anticorrosive material, a water spray is proposed in this work as an innovation to integrate with the heat pipe heat exchanger, which absorbs the corrosive gas such as SO 2, SO 3 and NO x from the outlet of boiler. The comprehensive Learn More

  • GAS-FIRED DIRECT VENT BOILER User's Information Manual

    DIRECT FIRED HIGH EFFICIENCY WATER HEATING SYSTEMS. MaxiMizer Systems specializes in the design, manufacture and installation of energy efficient Water Heating Systems. Our systems will reduce your energy cost and carbon footprint while meeting of your company's hot water needs. The MaxiMizer will generate hot water at between 95% and 99.9% efficiency depending on the operating …Learn More

  • Direct Contact Water Heater - Ellis

    While boiler efficiency is usually between 70% and 80%, and you wait for hot water, Ludell has hot water ready at all times. Each heater is divided into an upper zone with a cold-water spray nozzle, a middle zone with stainless steel transfer packing media and a lower combustion zone where heat from the burner comes into contact with the water droplets to achieve your desired hot water temperature.Learn More

  • BOBCAT hung on or adjacent to the boiler for reference.

    wall so that the flue pipe from boiler is short and direct. (See paragraph heading "Vent Termination Location and Clear-ance" on page 9.) The location should also be such that all boiler components are protected from water (dripping, spray-ing, rain, etc.) during appliance operation and service (circu-lator replacement, control replacement Learn More

  • Oxygen attack in boilers - Lenntech

    The tray type desecrating heaters consist of a shell, spray nozzles to distribute and spray the water, a direct contact vent condenser, tray stacks and protective interchamber walls. The chamber is constructed in low carbon steel, but more corrosion-resistant stainless steels are used for the spray nozzles and the other parts.. Incoming water is sprayed into steam atmosphere, where it is Learn More

  • attemperator in boiler – Industrial Boiler Supplier

    Mar 08, 2019 · Steam Temperature Control | Control Notes The spray water comes from either an intermediate stage of the boiler feedwater pump (for reheater spray) or from the pump discharge (for superheater spray). Other methods of steam temperature control include flue gas recirculation, flue gas bypass, and tilting the angle at which the burners fire into Learn More

  • Condensing boilers direct-vented exhaust a concern

    Apr 28, 2006 · But to tell you the truth, with radiators, I would not hesitate recommending the gas condensing/modulating boiler like the GB-142 over the oil boiler. But it depends on what else the boiler will be heating, like domestic hot water, fin tube baseboard, fan coils, etc. Use the Find a Pro feature on this site to find a good contractor to help you!Learn More