Why Boiler Drum Made Cylimderical

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HOT

θrion Gas Fired Steam Boiler

Capacity:1-20t/h

Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.

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HOT

Gas(oil) Fired Integrated Hot Water Boiler

Capacity:0.7-14MW

Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.

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HOT

H6 Gas Fired Hot Water Boiler

Capacity:0.7-2.8Mw

Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.

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HOT

T7 Vacuum Hot Water Boilerr

Capacity:2.8-7.0Mw

Rated thermal efficiency:≥105.5%

Fixed working pressure:-0.02MPa

Applicable fuel:Natural gas, etc.

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HOT

V6 Gas Fired Hot Water Boiler

Capacity:99Kw

Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.

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HOT

Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy

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  • What is a downcomer in a boiler? - Quora

    Boiler problems? Check out the Hometree boiler audio bank, featuring common boiler noises and what they might mean, with advice on when to speak to an engineer. Vibrations in your boiler can be caused by a number of factors. These can include a malfunctioning Get Price

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  • why are boiler drums over shaped-Industrial boiler …

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  • How Large Boiler Drums are Manufactured

    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 Get Price

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    5/8/2018 · Why most boiler drums are cylindrical in shape? Heat is lost along the surface; so for a alloy steel body which stores hot water and steam the minimum surface area possible will be a sphere. A sphere is the best design possible as it not only reduce heat loss but also withstand extreme pressure.Get Price

  • Vertical boiler with horizontal fire-tubes - Wikipedia

    Boiler feedwater is an essential part of boiler operations. The feed water is put into the steam drum from a feed pump. In the steam drum the feed water is then turned into steam from the heat. After the steam is used it is then dumped to the main condenser. From the condenser it is then pumped to the deaerated feed tank. From this tank it Get Price

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    as the boiler drum is cylindrical in shape due to low stressconcentration and in both end the diameter will be less.so for easyentry into the drum for a man the drum … cylindrical boiler | Gas & oil fired boiler … while the plain cylindrical boiler is comparatively …Get Price

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    horizontal drum type water tube boiler - If you run into any problems with the boiler, please contact us directly by email or fill out the online service request. We will do our best to resolve any problems you might have within 24 hours. Get PriceGet Price

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    Boiler Drum Level Control Systems. Drum Level Control Systems are used extensively throughout the process industries and the Utilities to control the level of boiling water contained in boiler drums on process plant and help provide a constant supply of steam. If the level is too high, flooding of steam purification equipment can occur.Get Price

  • Explain the construction of the Scotch boiler furnace and …

    Construction and Working Principle of Fire Tube Boiler. The construction of a water tube boiler can be equipped with cylindrical shell, vertical, firebox in the base, space for water in the center segment, and space for steam in the higher segment. A fire-grate is located at the fire-box base as well as coal is fired-up on the firebox.Get Price

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    A non IBR water tube boiler would roughly generate a flue gas of temperatures 150–170. These gases have to pass through the shell in 2 passes to preheat the incoming combustion air and thereafter the economiser. For starters a squared shell open aGet Price

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    5/1/2010 · In large capacity boilers with high superheat temperature of the order of 540 degree C and above, it is practically not economical to use a single material. The main single reason for this is due to the fact that the steam from boiler drum enters the superheater around 350 deg C and leaves around 540 deg C. As the steam travels from the drum Get Price

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    0. The modern scotch boiler is now an all welded construction. The main water drum is a cylindrical shell with the end plates flat and flanged at the rim to join the cylindrical shell by welding. The front end plate may have two or three furnace openings depending on the diameter of the boiler. The furnace openings are flanged inwards to make a Get Price

  • Boiler Drum Level Control Systems | Instrumentation Tools

    11/6/2004 · Each major boiler supplier has his own proprietary design of separation equipment which then leads to each supplier have different drum sizes for the same boiler operating conditions. I have kept records of drum sizes offered to us since about 1980 and there are very wide variations in steam drum …Get Price

  • Boiler feedwater - Wikipedia

    In the locomotive-type boiler, fuel is burnt in a firebox to produce hot combustion gases. The firebox is surrounded by a cooling jacket of water connected to the long, cylindrical boiler shell. The hot gases are directed along a series of fire tubes, or flues, that penetrate the boiler and heat the water thereby generating saturated ("wet") steam.Get Price

  • Steam quality and drum sizing - Boiler and Pressure …

    4/3/2003 · Feb 18, 2003. #1. The old Soviet-type steam boiler drum had bridles (water columns) for water level measurement. It was decided to cut the bridles off and install 0~ +/-62.2 kPa range dPTs with 10m long capillary tubing and 2" diaphragm seals straight to boiler tapping lines. After it was done the level readins are not the same for different Get Price

  • CORROSION INHIBITORS – Boiler Systems (Amines & …

    It's best not to use acronyms when asking questions. Not everyone knows that: * higher heating value (HHV) aka gross calorific value (GCV) * lower heating value (LHV) aka net calorific value (NCV) Note you can use HHV/GCV and LHV/NCV interchangeabGet Price

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    24/3/2016 · For measuring Boiler Steam drum water level by DP transmitter, I noticed always using Low side of DP transmitter is connected to the filled wet leg. while the high side of the DP transmitter connected to the bottom side of the drum so the reading is always negative.Get Price

  • Materials used in boiler & furnace - SlideShare

    10/4/2018 · Boiler DrumBoiler Drum 4. Materials used of ConstructionMaterials used of Construction • Drum is made up of stronger material called Ducal W30. TheDrum is made up of stronger material called Ducal W30. The advantage of this material is high proof stress Get Price

  • Boiler Corrosion | Major Causes of Corrosion | …

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  • Fire Tube Boiler - Construction, Types and Its Working

    Boiler Corrosion (Corrosion) is complex Electrochemical Reaction. Boilers Corrosion is caused by water in boilers and can result in pinpoint penetration of boiler metal.Thermodyne Provides Boiler AMC, Inspection, Corrosion Prevention & Repairing Services atGet Price

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    Corrosion is most commonly caused by dissolved gases (primarily oxygen and carbon dioxide), low pH, the attack of mechanically stressed areas, and under-deposit attack. To avoid the corrosion of vital (and costly) metal components throughout boiler systems, external treatment of the feedwater is performed in order to remove dissolved oxygen (DO Get Price

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    3/8/2007 · 3. Steam flow (Drum output). These are the THREE ELEMENTS used in drum level control. Feedwater flow and Steam flow are taken into account, for taking care of the abrupt changes in process outputs. In case of a boiler upto 25% of load (Steam flow) Single element control & Above 25% load three element control is used. I.Get Price

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    A 210 MW boiler drum weighs about 130 tons and a 500 MW boiler drum about 250 tons. The drums of bi-drum boilers can be anywhere near 100 tons. The boiler drums have large stubs welded, many instrument tapings, safety valve stubs, and internals to maintain the quality of steam and distribute the feed wate, and a facility to dose the chemicals uniformly across the length of the drum.Get Price

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  • Why is a boiler shell mostly cylindrical and not squared? …

    14/6/2016 · Boiler Drum And Its Internals. 2. 1. Boiler Drum is a pressure vessel it is used to Separate steam and water mixture 2. Mixing feed water with water separated from steam-water mixture and re-circulate through the evaporating tubes. 3. Reduce dissolved solid contents of the steam ( Blow down) 4. Storage of water 2. 3.Get Price

  • Water level in steam boiler drums | Automation & Control …

    A high pressure watertube boiler[1] (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 Get Price