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Introduction to Condensate Recovery | Spirax Sarco

Each kilogram of condensate not returned to the boiler feedtank must be replaced by 1 kg of cold make-up water (10°C) that must be heated to the condensate temperature of 90°C. (ΔT = 80°C). Calculate the heat required to increase the temperature of 1 kg of cold make-up water by 80°C, by using Equation 2.1.4.

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Energy Calculations for Return Condensate - Process …

1/4/2009 · Returning condensate to the boiler operation is great step toward improving energy efficiency. But how do you know if the costs are justified? An example can demonstrate the process. Table (h c - h m) = Energy Loss per Pound (180.33 - 23) = 157.33 BTU/lb

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Boiler Water Tests | Viking Water Technology, Inc.

4/5/2016 · Boiler pH should be kept between 10.5 and 12.5. Below 10.5, there is insufficient protection from corrosion and hardness compounds are not precipitated in the desired, free-flowing form. Above 12.5 there is the possibility of caustic embrittlement and carryover. Condensate pH should be kept between 8.0 and 8.6.

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The calculation of carbon dioxide concentration in steam …

In general, we can write two equations for calculating the concentration of carbon dioxide in steam:, mg/l (2) or, mg/l (3) where, A feed =A make-up *(1-к), the alkalinity of feed water, mq-EQ/l, к – share of condensate return, A make-up – the alkalinity

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How to Calculate the Amount of Condensate Per Amount …

13/3/2018 · For instance, steam can be assumed to be 350 psia (pounds per square inch absolute), which has a temperature of 432 degrees Fahrenheit. This steam has a corresponding latent heat of 794 btu/lb. If the steam flow is 1,000 pounds per hour, then the total heat input per hour is 794,000 btu.

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Return Condensate to the Boiler

Title Return Condensate to the Boiler: Office of Industrial Technologies (OIT) Steam Energy Tips Fact Sheet Author S. Renfrow Subject An attractive method of improving your power plant's energy efficiency is to increase the condensate return to the boiler. Keywords

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How to size a condensate return unit - Xylem Applied …

20/5/2015 · For a boiler rated 100 BHP: Use the formula above to convert boiler horsepower: BHP X 139 = sq ft EDR. 100×139=13900. When you calculate the amount of steam put out, you get 6.9 gpm of water as steam. Let's round that up to 7 gpm. Sizing the pump for twice the return …

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Return Condensate to the Boiler - Official Website

Total Annual Savings Due to Return of an Additional 10,000 lbs/hr of Condensate = $33,760 + $32,195 = $65,955 * When saturated condensate is reduced to some lower pressure, some condensate flashes off to steam again. This amount is the flash steam

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Return Condensate to the Boiler - Mass Engineers

maximizing the return of hot condensate to the boiler. Consider the following actions: •If a condensate return system is absent, estimate the cost of a condensate return and treatment system (as necessary) and install one if economically justified. •Repair steam

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Condensate Return | CleanBoiler.org

The value of the condensate varies with its pressure and temperature which depends on the operating pressure of the steam system. If boiler feedwater is 60F, and the condensate is 212F, then each pound of condensate contains at least 162 BTUs (212 – 60 = 152); if the boiler is operating at 80% efficiency, then it represents 190 BTUs (122/80%).

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Stop Knocking Your Condensate Return | AIChE

Return Condensate to the Boiler - MassEngineers.com

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How to size a condensate return unit - Xylem Applied …

20/5/2015 · For a boiler rated 100 BHP: Use the formula above to convert boiler horsepower: BHP X 139 = sq ft EDR. 100×139=13900. When you calculate the amount of steam put out, you get 6.9 gpm of water as steam. Let's round that up to 7 gpm. Sizing the pump for twice the return …

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3 allowing condensate return to the boiler

Allowing for condensate return to the boiler can be done as follows: • Estimate the cost of installing a condensate return system and the savings that will result in fuel, water and water treatment costs. • If currently partially recovering condensate, determine

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3 allowing condensate return to the boiler

Allowing for condensate return to the boiler can be done as follows: • Estimate the cost of installing a condensate return system and the savings that will result in fuel, water and water treatment costs. • If currently partially recovering condensate, determine

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Condensate Savings | Pacific Boiler Services

Condensate can be returned to the boiler house at a temperature of 70˚C using an open return system. Raw water is supplied at a temperature of 10˚C. The following table gives a maximum energy saving percentage of 9.1%. It is estimated that after losses and blowdown only ¾ of the condensate can be returned. The amount of energy that can be

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High Tech small steam boiler price Of Industrial Capacity …

Chinese Sale Low Price Biogas Fired Steam Boiler For Industry, Find Complete Details about Chinese Sale Low Price Biogas Fired Steam Boiler For Industry,Industrial Boiler,Solid Fuel Heating Boiler,Gas Steam Boiler from Boilers Supplier or Manufacturer-Sichuan …

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Boiler Formulas | Johnston Boiler | Top Quality Boiler …

S = 105 – 80. P2. Cut-in Pressure Delta. S = 25. Factor of Evaporation. Water enters the boiler at 225°F. The boiler pressure is 100 psi and the boiler water temperature is 338°F. The latent heat is 881 Btu.

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Boiler Capacity - Engineering ToolBox

An item of plant, using steam at constant pressure, condenses 470 kg of steam an hour at full-load. The pipework between the plant item and the steam trap has an equivalent length of 2 m. Determine the size of pipe to be used. Revised load allowing for start-up = 470 kg /h x 2 = 940 kg /h.

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Condensate Return Pump and Receiver Sizing Tips: …

17/4/2017 · The purpose of a condensate return unit or condensate return pump is to lift the condensate to overhead mains in order to get the water back to the boiler Hopefully, the message from past R. L. Deppmann Monday Morning Minutes was clear: don't lift the condensate out of a steam heat exchanger or coil with a modulating control valve.

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Energy Calculations for Return Condensate - Process …

1/4/2009 · Returning condensate to the boiler operation is great step toward improving energy efficiency. But how do you know if the costs are justified? An example can demonstrate the process. Table (h c - h m) = Energy Loss per Pound (180.33 - 23) = 157.33 BTU/lb

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