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Product Thermal Capacity: 1 - 20 t/h

Working Pressure: 0.7 - 2 Mpa

Available Fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Available Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

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Introduction of WNS gas / oil fired steam boiler:

WNS series horizontal internal combustion boiler is a boiler shell type 3 passes wetback oil/gas fired boiler. After fuel is being atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, this is 1st pass; the high temperature smoke is collected in reversal chamber and then enters 2nd pass which is grooved tubes bundle area; after heat convection, air temperature gradually falls and goes to front smoke box and turn to 3rd pass, which is smooth tubes bundle area, and then enters chimney passing back smoke box and exhausted to the atmosphere.

Technical advantages:

1. Digitized manufacture
The key part such as material cutting, rolling, drilling are proceeded by advanced CNC machining process to reduce the assemble stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine and looks tidy and beautiful.

2.Easy operation and maintenance
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.

3. Longer working life
Smoke tube and tube sheet connection is expanded first to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boilers working life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint will have 100% radiographic inspection.
Fin tube us ND steel or stainless-steel material which avoid low temperature corrosion.
Inspection procedure point is set up to guarantee the sequence of expanding and welding, avoid cracking of the tube sheet holes.

4. Less fuel consumption
High quality aluminum silicate fiber is used with fire clay insulation, to control the boiler body temperature below 45℃ to control heat lost.
Sufficient steam storage room and heating area makes boiler to generate high quality steam and high thermal power.
Condenser is added to reuse the waste heat of the exhausted smoke to increase feeding water’s temperature and reduce emission temperature, which can increase the thermal efficiency above 98% and save operating cost.

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Nov 24, 2016· Q.(B).What do you mean by IBR steam boiler. IBR Steam Boilers means any closed vessel exceeding 22.75 liters in capacity and which is used expressively for generating steam under pressure and includes any mounting or other fitting attached to such vessel,which is wholly or partly under pressure when the steam is shut off.

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Do boilers actually “boil” water? No, boilers in operation today do not boil water (myth number one … Jun 09, 2020· you will find here the large collection of solved Steam Boiler Question and Answers MCQs for Boiler Licensing Examination. Power plant , thermodynamics and Mechanical engineering Questions with answers in pdf are available to test your knowledge. Boiler & Mechanical Engineering Question Book Download 300 TOP Steam Boiler MCQs Boiler Engineering Examination Download …

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What is a steam boiler? A large steel container which stores water used to cook in. A simple kettle … Boiler Basics Quiz. Boilers Basics Practice Quiz Questions Answers ) Search for: Related Pages. Home; HVAC Basics. Heat Transfer Quiz Questions ; Ozone Layer Depletion Quiz; Ozone Layer Depletion Quiz 2; Psychrometrics Quiz Questions; Psychrometrics Quiz Questions 2

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Multiple Choice Questions on Steam Boilers and Engines - Set 16 MCQ Steam Boilers Edit Practice Test: Question Set - 16. 1. The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a …

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Start the emergency feedwater injector to restore normal water level. D. Secure the fire to minimize damage to the boiler tubes. 6. Combustion control systems on utomatic boilers are designed to prevent immediate burner ignition after a normal, or safety shutdown, in order to allow time for. Discuss.

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Sep 19, 2013· Question: Steam valves open causing a sudden large load I have two 82,000 lb/hr natural gas fired boiler that is designed for 300 psig and operating at 205 psig (saturated). The boilers serve a large campus with numerous buildings, each with an …

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The general lifespan of a boiler is around 10 to 15 years. While this is an average, your boiler may last longer if you take care of it well. You should decide to replace your boiler when repairs become too expensive or start mounting up. Opting for a new boiler at this point should save you money in …

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Gauge glass is used for to see how much water is in the boiler. ( True )

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Gauge glass is used for to see how much water is in the boiler. ( True ) Dec 11, 2019· A comprehensive database of more than 14 boiler quizzes online, test your knowledge with boiler quiz questions. Our online boiler trivia quizzes can be adapted to suit your requirements for taking some of the top boiler quizzes.

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These questions and answers do not represent any organization, school, or company on our site. We do not claim they will be asked in any interview you may have. Our goal is to create interview questions and answers that will best prepare you for your interview, and that means we do not want you to …

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