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which of the following is water tube boiler - Horizontal
HOT
Capacity:1-20t/h
Rated thermal efficiency: 100-104%
Fixed working pressure: ≤1.6MPa
Applicable fuel:natural gas etc.
HOT
Capacity:0.7-14MW
Rated thermal efficiency:96-98%
Fixed working pressure:≤1.25MPa
Applicable fuel:Natural gas, light oil, etc.
HOT
Capacity:0.7-2.8Mw
Rated thermal efficiency: 97.2-106%
Fixed working pressure:0.1MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:2.8-7.0Mw
Rated thermal efficiency:≥105.5%
Fixed working pressure:-0.02MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:99Kw
Rated thermal efficiency:97.2-104.4%
Fixed working pressure:1.0MPa
Applicable fuel:Natural gas, etc.
HOT
Capacity:0.5-4.0 t/h
Rated thermal efficiency:98%
Fixed working pressure:≤1.25MPa
Applicable fuel:electric energy
Fire-Tube Boiler (~1800) The fire tube boiler, the oldest design, is made so the products of combustion pass through tubes surrounded by water in a shell. The furnace/flame volume can either be inside or external to the shell that contains the water. The upper steam capacity of fire tube boilers is about 20,000 Ibm/hr, and the peak pressureGet Price
Jan 26, 2022 · Types of Water Tube Boilers. Water tube boilers are available in a variety of configurations. Horizontal Straight Tube Boiler. Bent Tube Boiler. Cyclone Fired Boiler. Horizontal Straight Tube Boiler can be subdivided into two different varieties: Longitudinal Drum Boiler; Cross Drum Boiler. Bent Tube Boiler can be subdivided into Four different varietiesGet Price
The following disadvantages of fire tube boiler are: The fluctuation of load cannot be easily handled. The rate of steam generation is low. A Fire boiler is used in small power plants. The maximum working pressure is up to 20 bar which is a less comparatively water tube boiler. Overall efficiency is up to 75% only.Get Price
⇒ The fire tubes in, a Coarran and Scotish marine boiler are horizontal vertical inclined both horizontal and vertical ⇒ At critical point, i.e. p=225.65 kg/cm2, the latent enthalpy of vaporization is maximum minimum zero depends on temperature also ⇒ The capacity of induced draft fan compared to forced draft fan in a boiler is same more lessGet Price
Water Tube Boilers. Water tube boilers offer advances in steam-producing technology. It is different than fire tube technology in that the flame from the furnace is shot into a large containment area, where it literally bounces off the rear wall and distributes heat more evenly and efficiently, thus reducing fuel costs.Get Price
3B1 CHAPTER 4 Flashcards | QuizletGet Price
Water Tube Boiler. This program is called HAD-WTBD, which is a program to design a water tube boiler (D-type) of burner combustion for gas / oil fuel. The program can calculate the following contents. Fuel conditions : Single-gas/Single-oil/Multi (2 kinds)-gas/Multi (2 or 3 kinds)-oil or gas. Limited steam conditions : below than 250 ton/hr x Get Price
Boiler's classification is based on the following criteria: According to the Relative Passage of Hot Gasses and Water. Fire-Tube Boiler: This is the one where the hot combustion gasses are surrounded by the water. Water-Tube Boiler: In this, the water flows via the tubes, surrounded by hot combustion gassesGet Price
horizontal, externally fired and stationary boiler S. Which of the following is a water tube boiler? (a) Lancashire boiler (b) Babcock and Wilcox boiler (c) Locomotive boiler (ci) Cochran boiler 6. In fire tube boilers (a)water passes through the tubes which are surrounded by flames and hot gases (b)the flames and hot gases pass through the Get Price
Water-tube boiler - WikipediaA water tube boiler was patented by Blakey of England in 1766 and was made by the use of watertube boilers is highly preferred in the following major Pages - …Get Price
Fire Tube Boiler Disadvantages: The following disadvantages of fire tube boiler are: The fluctuation of load cannot be easily handled. The rate of steam generation is low. A Fire boiler is used in small power plants. The maximum working pressure is up to 20 bar which is a less comparatively water tube boiler.Get Price
Fig. (2) Shape of fire-tube 2.1.3 Water-tube boilers: • Water-tube boilers have water running through the tubes and fire or gases of combustion surrounding the tubes. The water tubes are connected into a steam drum at the top and a mud drum at the bottom. The fire is in the Combustion chamber. The boiler design can also beGet Price
Horizontal Firetube Boilers. Horizontal Firetube Steam and Hot Water Boilers - Scotch Marine Model. 10 hp to 200 hp. 3 pass, dry or wet back. High and low pressure. Steam and hot water. Natural gas, LP gas, dual fuel, and #2 oil. Power burners. Customizeable.Get Price
The water tube boiler diagram is shown below, and these two drums are associated via two tubes such as downcomer and riser. At first, the water is supplied into the steam type drum with the help of a water pump. Whenever the fuel is burned, then hot gases will be generated that are permitted to supply in the shell part of the boiler.Get Price
Steam Boilers, Engines, Nozzles and Turbines. Which of the following is a water tube boiler? Locomotive boiler Cochran boiler Babcock and Wilcox boiler Lancashire boiler. Locomotive boiler. Cochran boiler. Babcock and Wilcox boiler. Lancashire boiler. ANSWER DOWNLOAD EXAMIANS APP.Get Price
A pre current code a hA pre current code a hot water supply boiler (hot water tank) is not considered to be a heating boiler unless one of the following is exceeded: 1. A capacity greater than 227 L (50 gallons) 2. A capacity greater than 454 L (100 gallons) 3. A temperature greater than 93°C (200°F) 4.Get Price
Vertical water-tube boilers with a steam-generating capacity of 2.5 to 640 tons an hour and single-pass boilers with a steam-generating capacity of 250 to 2,500 tons an hour are manufactured in the USSR for use in various types of boiler plants. The production of horizontal water-tube boilers has been discontinued.Get Price
Dec 10, 2020 · 1. In water tube boiler, water is circulated in tubes and hot gases are passed over it. In Fire tube boiler, Hot gas is circulated through the tube and water flows over it. 2. It can generate steam at higher pressure (more than 25 bar). It can generate steam at a lower pressure (up to 25 bar). 3.Get Price
39. The function of a water level indicator is. (a) to blow off steam when the pressure of steam inside the boiler exceeds the working pressure. (b) to indicate the water level inside the boiler to an observer. (c) to measure the pressure of steam inside the steam boiler. (d)Get Price
Explanation: Babcock and Wilcox boiler is a water tube (horizontal straight tube) boiler. The diameter and length of the boiler drum are in the range …Get Price
2) Stirling Boiler. The Stirling boiler is an externally fired, bent tube and stationary water tube boiler. This is one of the most efficient boilers. It has the capacity to generate steam up to 50,000 kg/hr and steam pressure up to 60 bar. The Stirling boiler has efficiency from 60% to 80%.Get Price
Dec 21, 2020 · Water Tube Boiler Components. Here is a review of the water tube boiler parts and functions.. Boiler Shell: This shell is the external cylindrical part of a pressure container. Steam drum: It is a collection vessel for steam and water. Mud drum: This is a cylindrical formed space at the base of the water space. It will gather impurities like mud, sediment, and others.Get Price
12. The difference between cornish boiler and lancashire boiler is .. A. Former is fire tube type and latter is water tube type boiler B. Former is water tube type and latter is fire tube type boiler C. Former contain one fire tube type and latter contains …Get Price
b) a bent-tube (water tube) boiler c) a horizontal straight tube (water tube) boiler d) a high pressure boiler Answer: b Clarification: Stirling boiler is a water tube boiler that comes under the category of bent tube boilers. The drums and headers in the boilers are connected by bent tubes. It has a steam capacity of 50000 kg/hr. 12.Get Price
MCQs of Boilers, Moutings & Accessories (Thermal Engineering - I. Which of the following characteristics decides that the Lancashire boiler is a fire tube boiler. (A) Horizontal erection. (B) Coal firing. (C) Use of two tubes through. Tag: horizontal boiler, Superheater in boiler,Superheater,boiler parts.Get Price
Fig. (2) Shape of fire-tube 2.1.3 Water-tube boilers: • Water-tube boilers have water running through the tubes and fire or gases of combustion surrounding the tubes. The water tubes are connected into a steam drum at the top and a mud drum at the bottom. The fire is in the Combustion chamber. The boiler design can also beGet Price
This is a water tube boiler, used in steam power plants. In this type of boiler, water is circulated inside the tubes and hot gases flow over the tubes. This is a Horizontal drum axis, natural draft, natural circulation, multitubular, stationary, high pressure, …Get Price
Water tube boilers are those in which horizontal multitubular water tube boiler. water wall enclosed furnace type. 260) Which of the following substance will have same percentage in both proximate and ultimate analysis . ash. volatile matter. moisture. hydrogen Get Price
The steam boilers are classified according to the following conditions . 1. According to the relative position of water and hot gases . a. Fire tube boiler [Cochran Boiler] b. Water tube boiler [ Babcock –Wilcox Boiler] 2. According to the axis of shell. a. Vertical boiler [Cochran Boiler] b. Horizontal boiler [Lancashire Boiler] 3.Get Price
Vertical water-tube boilers with a steam-generating capacity of 2.5 to 640 tons an hour and single-pass boilers with a steam-generating capacity of 250 to 2,500 tons an hour are manufactured in the USSR for use in various types of boiler plants. The production of horizontal water-tube boilers has been discontinued.Get Price
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