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cvl water tube boiler

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.

Power Boiler Feedwater and Steam - YouTube

Click to v

Click to view1:07Feb 03, 2015· The power boiler control system maintains the proper flow of feedwater to the boiler. As the hot combustion gases pass from the furnace through the generating tube bank, steam is formed in the

Operation of water tube boilers explained - Bright H

Water tube boilers are the most widely used boilers. These type has replaced many boilers, including the fire tube type, mainly because of the following reasons : The weight of the water tube boiler is much less than any type of boiler of equivalent size. Steam raising and …

CLEAVER-BROOKS PACKAGED WATERTUBE BOILE

The Cleaver-Brooks Packaged Watertube Steam Boiler is a two drum, bent-tube, "D" type Boiler. The line consists of three Models; "D", "DL" and "DLD" which vary only in size, dimensions, and capacity. All models are covered by this manual. The Boiler has a six-wall water cooled furnace.

Water Heaters | Boilers | Pool Heaters | Lochinvar | Lochinv

Author: Convergence Training by Vector Solutions Lochinvar Refines KNIGHT® Wall Mount Fire Tube Boiler. Lochinvar Expands CREST® Condensing Boiler Line with CREST 6.0. We focus solely on serving the unique needs of each customer with a product portfolio including boilers, water heaters, pool heaters, cogeneration products and commercial package systems.

Sr.Engineer(Power plant operation/Boiler Commissioni

Sep 17, 2018· Plant Capacity : 1*43MW Power plant having 1*43MW BHEL make Extraction cum condensing turbine & 2*110TPH CVL make natural circulation, water tube, coal fired AFBC boilers. Turbine:- Pressure- 86Kg/cm2, Temp-510 deg c, Flow- 210 TPH. Boiler :- Pressure- 89 Kg/cm2, Temp-525 deg c, Flow- 2*110 TPH

Water Tube Boiler – Working Principle, Types of Water Tu

Working Principle of Water Tube Boiler . The working principle of water tube boiler is thermal siphoning (circulation of natural water). Basically, this type of boiler includes two drums namely steam, lower or mud drum. The water tube boiler diagram is shown below, and these two drums are associated via two tubes such as downcomer and riser. At

Cleaver-Brooks | FLX Boile

FLX 1250-2500 PPT. MODEL FLX 1250 -2500 Flextube Watertube Boiler Steam or Hot Water ApplicationsFLX1250 -2500FLX1250 -2500 Model Designation: FLX or FLE Gas [Heat Transfer] Flow: 5 Pass Factory assembled package or Field Erectable Package. SIZES 1250 = 300 HP 1450 = 350 HP 1650 = 400 HP 1850 = 450 HP 2100 = 500 HP 2500 = 600 HP Standard

Chapter 14 - Boiler System Failures | SU

Caustic attack (or caustic corrosion), as differentiated from caustic embrittlement, is encountered in boilers with demineralized water and most often occurs in phosphate-treated boilers where tube deposits form, particularly at high heat input or poor circulation areas.

Difference between Fire Tube Boiler and Water Tube Boil

What is the shrinking and swelling effect in boilersFeb 14, 2019What is the reason for keeping a boiler feed water pHAug 05, 2018What is a downcomer in a boiler?Aug 03, 2018What is the difference between a boiler and boiler drumJun 12, 2016See more results Mar 19, 2016· 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, water flows from the tubes and the flue gases from the shell or passes over the tubes. This is the key difference between these boilers.

Three-drum boiler - Wikiped

The Yarrow boiler design is characterised by its use of straight water-tubes, without downcomers. Circulation, both upwards and downwards, occurs within this same tube bank. Alfred Yarrow developed his boiler as a response to other water-tube designs, and his perception in 1877 that Yarrow & Co were lagging behind other shipbuilders. His initial thoughts already defined the key features of the

Water-tube boiler - Wikiped

A high pressure watertube boiler 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 heats 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 that make up the walls of the furnace to generate steam. The …

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