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WNS series gas-fired (oil-fired) steam boiler
WNS series gas-fired (oil-fired) steam boiler

WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler.

DZL series biomass-fired steam boiler
DZL series biomass-fired steam boiler

DZL series package boilers are horizontal three-pass water & fire tube boilers with a chain grate stoker structure.

CFB (circulating fluidized bed) coal-fired steam boiler
CFB (circulating fluidized bed) coal-fired steam boiler

circulating fluidized bed combustion (CFBC) technology has many advantages that other combustion methods do not have.

YLW series coal-fired/biomass-fired thermal oil heater
YLW series coal-fired/biomass-fired thermal oil heater

YLW thermal oil heater is square coil horizontal chain grate shop-assembled heater, chain grate and heater proper are transferred separately.

what are the reasons for reduction of steam capacity of boiler

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    • boiler efficiency and steam quality: the challenge of

      Boiler Efficiency and Steam Quality: The Challenge of

      Specific problems can include frequent boiler shutdowns from low-water level, damaged steam pipes and valves due to water hammer, vibration, corrosion, erosion, reduced capacity of steam heaters, and overloaded steam traps. These problems are most frequently caused by low steam quality, often called "wet steam" or "carry-over."

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    • steam pressure reduction: opportunities and issues

      Steam Pressure Reduction: Opportunities and Issues

      Steam Pressure Reduction: Opportunities and Issues. Some of the main potential losses in a steam system are noted in Figure 1. Only the energy losses that can be reduced by lowering steam pressure will be discussed in this technical brief, and are listed below: • Steam leaks from high-pressure . components (e.g. valves and piping)

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    • improving boiler room efficiencies the effect of system

      Improving Boiler Room Efficiencies The Effect of System

      The steam volume required to be transported from the boiler to the point of use heavily impacts distribution operating pressure. The physical properties of steam prove that steam has a different specific volume for each temperature/pressure phase it exists in. As an example 15 PSIG steam has a specific volume of about 13.85 cubic feet per

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    • lower pressure operation of boiler than designed

      Lower Pressure Operation of Boiler than Designed

      The problem is mainly the specific volume of steam; reduction in pressure increases the specific volume. This leads to higher steam pipe and tube velocities thus increasing the pressure drop by a square function.

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    • an investigation on fuel consumption reduction in …


      for the flow field study which applied for nominated steam boiler with the capacity of 300 t /hr. Results show that such an old boilers are working in low fuel to steam efficiency due to high stack

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    • calculating the energy savings of reducing steam boiler

      Calculating the Energy savings of reducing steam boiler

      Reducing boiler pressure will result in lower temperature of the flue exhaust gas (burning fuel), hence there are some savings there (sensible heat lost in flue gas). As a thumb approx rule, you can say 1% overall energy efficiency in the boiler for every 22ºC reduced in the flue gas.

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    • boiler combustion |

      Boiler Combustion |

      By injecting water or steam into the flame, flame temperatures are reduced, thereby lowering thermal NOx formation and overall NOx levels. Water or steam injection can reduce NOx up to 80% (when firing natural gas) and can result in lower reductions when firing oils.

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    • boiler capacity - engineering toolbox

      Boiler Capacity - Engineering ToolBox

      Boiler load - the capacity of a steam boiler - is often rated as boiler horse powers, lbs of steam delivered per hour, or BTU. Lbs Steam delivered per Hour. Large boiler capacities are often given in lbs of steam evaporated per hour under specified steam conditions. BTU - British Thermal Units

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    • boiler selection considerations - cleaver-brooks


      The firebox boiler uses similar tube attachment techniques as the firetube boiler. Its combustion chamber is not round, like the firetube’s cylindrical furnace. The firebox boiler is typically manufactured to low pressure steam or hot water applications. The firebox boiler is a compact, economical unit and serves as a good fit for

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    • boiler (power generation) - wikipedia

      Boiler (power generation) - Wikipedia

      A boiler or steam generator is a device used to create steam by applying heat energy to water.Although the definitions are somewhat flexible, it can be said that older steam generators were commonly termed boilers and worked at low to medium pressure (7–2,000 kPa or 1–290 psi) but, at pressures above this, it is more usual to speak of a steam generator.

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    • steam accumulation: an energy efficient technology

      Steam Accumulation: An Energy Efficient Technology

      Aug 27, 2015 · This is because water (not steam) is used as the heat storage medium. The reason becomes evident when the greater heat storage capacity of water is compared with that of the same volume of steam vapour at any given state of temperature and pressure.

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    • preventing overheated boiler incidents - northeast gas

      Preventing Overheated Boiler Incidents - Northeast Gas

      • This condition is primarily caused by coincidental failures of redundant safety controls that maintain safe temperature, pressure, gas supply, and water supply.

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    • steam accumulator importance in boilers | thermodyne boilers

      Steam Accumulator Importance in Boilers | Thermodyne Boilers

      Steam Accumulator as the cost-effective solution The plant already having a boiler of a certain capacity but for some reasons, the process load requirement increases for certain time period in a day while for other time, process load requirement falls even below the maximum capacity.

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    • steam generator versus steam boiler - ab&co

      Steam Generator versus Steam Boiler - AB&CO

      The disadvantages using a steam generator compared to conventional steam boilers are: Not able to have even small and short peaks in steam consumptions beyond the maximum capacity. Separate buffer arrangement to be considered. Not capacities above 3000 kg/h

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    • how to calculate boiler steam flows | hunker

      How to Calculate Boiler Steam Flows | Hunker

      • steam turbines and boilers - university of rijeka

        Steam Turbines and Boilers - University of Rijeka

        The reason for the header tank is in the event of a black-out or loss of a lube-oil pump, the header tank has the capacity to keep the turbine bearings supplied with oil until the turbine stops rotating, with the auxiliaries being supplied by the secondary pump.

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      • understanding differences of boiler feedwater pretreatment

        Understanding Differences of Boiler Feedwater Pretreatment

        x Capacity drops off as influent chlorides ratio to total exchangeable anions increases. x Resin loss can be cause of low capacity. Check resin depth frequently. x Capacity better with salt and caustic regeneration. x Maintain proper hydraulic loading (2-4 gpm/ft3, 2-14 gpm/ft2). x Overruns drop subsequent capacity, so

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      • steam superheater in boiler: role, benefits, types

        Steam Superheater in Boiler: Role, Benefits, Types

        Increase in efficiency of the steam power plant. Minimized erosion of turbine blade. Less steam consumption. Reduction of condensation loss in the boiler steam pipes. Increases the temperature of saturated steam by removing entrained water particles from turbines steam.

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