• Plant Theory - Water Tube Boilers Flashcards | Quizlet

    Briefly describe the Hybrid WW CG boiler design.-high pressure steam or hot water-two pass hybrid design-water tubed boiler-type water membrane and two-pass fire tube scotch marine vessel-has fast demand response times and safer operation-3450 - 60 000 lbs/hr output from 100 - 400psi.Learn More

  • Difference Between Fire Tube Boiler and Water Tube Boiler

    Sl No.: Fire Tube Boiler: Water Tube Boiler: 1. The Hot flue gases flow inside the tube and water has surrounded the tube.: The water flow inside the tube and the hot flue gases have surrounded the tube.: 2. This is heavy in weight.: This is light in weight.: 3. This is also called as internally fire tube boiler and: This one is called an Externally Fire-tube boiler…Learn More

  • What is the importance of draft in boilers 2 What is a

    Explain the principle of modulating control in a boiler? 5. Explain the principle of fire tube and water tube boilers? 6. Explain the principles of fluidized bed combustion and pulverized fuel combustion? 7. Name three factors affecting the boiler efficiency and explain briefly? 8. Discuss the various types of draft in boiler system? 9. What do Learn More

  • Boiler Mountings - Functions, Parts, Diagram, Working

    It consists of three cocks and a glass tube. Stem Cock 1 keeps the glass tube in connection with the steam space. Water cock 2 puts the glass tube in connection with the water in the boiler. Drain cock 3 is used at frequent intervals to ascertain that the steam and water cocks are clear. Diagram of …Learn More

  • Steam theory.pdf - Boilers-I 6 Provide some major

    9) Discuss the chief advantages of water tube boilers over fire tube boilers Boilers-II 2- Explain briefly any two of the following boiler accessories. (a) Economizer (b) Air preheater (c) Superheater Economizer : An economizer is used to heat the water which is being fed into the boiler shell.Learn More

  • Fire Tube Boiler - Construction, Types and Its Working

    Fire Tube Boiler - Types, Construction, Working & ApplicationsLearn More

  • Difference Between Fire Tube Boiler and Water Tube …

    Advantages of fire tube boiler: 1. The water is supplied in shell and outside tubes while hot gas is supplied inside tubes so the water volume can not be shaken easily when the fire tube boiler is running. 2. Fire tube boiler is so easy to use, operate, clean and maintain. 3.Learn More

  • Water-tube boiler - Wikipedia

    A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-generating tubes.In smaller boilers, additional generating tubes are separate in the furnace, while larger utility boilers rely on the water-filled tubes Learn More

  • Difference between Fire Tube Boiler and Water Tube …

    Aug 30, 2019 · The water tube boiler generates more steam of high pressure whereas a fire tube boiler generates steam of low pressure. We will discuss the fire tube boiler, different types of firetube boilers, defects, and uses. Fire Tube Boiler. In Fire Tube Boilers, hot flue gases will be flown inside the tube and these tubes are surrounded by water.Learn More

  • HVAC Training; This is how a Fire tube Boiler Works

    Nov 09, 2011 · The three types of fire tube steam boilers are horizontal return tubular boiler, scotch marine boiler, and vertical fire tube boiler. All fire tube boilers have the same basic operating principles. The heat produced by the gases of combustion pass through the tubes while the water surrounds the tubes. However, fire tube …Learn More

  • BOILER BASICS AND TYPES OF BOILERS, DIFFERENCES

    Mar 19, 2016 · The boiler is divided into two main types. One is known as fire tube boiler and the other one is known as water tube boiler. These boilers is largely used in power development and other industrial like sugar industries, cotton industries etc. for steam generation. The main difference between fire tube and water tube is that in fire tube boiler the flue gases flow in the tubes and water flows from the shell and in water tube boiler, …Learn More

  • BASIC CIVIL AND MECHANICAL ENGINEERING

    1. With a neat sketch, briefly explain about a Low pressure fire tube boiler. Cochran boiler is a low pressure fire tube boiler. Steam produced by this boiler is below 80 bar. Coal is fed into the grate through the fire hole and burnt. Ash formed during the burning isLearn More

  • List of Steam Boilers: Types, Parts and Operation

    Cochran Boiler: A Cochran boiler is one of the best popular types of vertical multi-tubular, fire- tube boiler. The Cochran boiler is made in sizes upto 2.75 metre diameter and 5.8 metre height. It has a maximum evaporative capacity of 3640 kg of steam per hour, …Learn More

  • QUESTIONS & ANSWERS 1. 2.

    modulation means that boiler keeps firing, and fuel and air are carefully matched over the whole firing range to maximize thermal efficiency. 5. Explain the principle of fire tube and water tube boilers? Fire tube or "fire in tube" boilers; contain long steel tubes throughwhich theLearn More

  • BOILER IMPORTANT QUESTION & ANSWER - KNOWLEDGE …

    Q: Briefly explain the Boiler mounting, and name its classifications? A particular apparatus or equipment is placed on the boiler to improve its safety, maintenance convenience and steam supply, is known as Boiler …Learn More

  • Advantages and Disadvantages of Fire Tube Boiler--ZBG

    A fire-tube boiler is a type of boiler in which hot gases pass from a fire through one or more tubes running through a sealed container of water. The heat of the gases is transferred through the walls of the tubes by thermal conduction, heating the water and ultimately creating steam.. The fire-tube boiler developed as the third of the four major historical types of boilers: low-pressure tank Learn More

  • Lancashire Boiler: Definition, Parts, Working, Application

    Fire-tube boiler: Fire-tube boiler is those boiler in which the fire or hot gas is present inside the tubes and water surrounds these fire tubes. Since fire is inside the tubes and hence it is named as fire tube boiler. The heat from the hot gases is conducted through the walls of the tube to the water.Learn More

  • Liquid Penetrant Examination - National Board of Boiler

    The NBIC recommends PT for examination of: firetube boiler tube sheets to find leakage around tubes, external inspection of weld joints, evaluating components subjected to fire damage, historical boilers, fiber-reinforced thermosetting plastic pressure equipment, Yankee dryers, and pressure vessels in liquefied petroleum gas (LPG) service.Learn More

  • Difference Between Fire Tube Boiler and Water Tube Boiler

    Difference between Fire Tube Boiler and Water Tube Boiler - mech4studyLearn More

  • BOILER BASICS AND TYPES OF BOILERS, DIFFERENCES

    Apr 12, 2020 · FIRE TUBE BOILER. Hot flue gases flow inside tubes that are submerged in water within a shell. • Pressures up to about 10 bar • Produce up to 14 tonnes of steam/hr • Can meet wide and sudden load fluctuations because of large water volumes • Usually rated in HP. SCOTCH FIRE-TUBE BOILER.Learn More