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Product thermal capacity: 0.7 - 14 MW

Working pressure: 0.7 - 1.25 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, hospital, hotel.

Introduction

WNS series horizontal internal combustion boiler is classic 3-pass wetback oil/gas fired boiler. After fuel is atomized by burner, flame is full of the wave furnace and transfer heat via furnace wall, called 1st pass; the high temperature flue gasses are collected in reversal chamber and then enter 2nd pass, which is grooved tube bundle area through heat convection, air temperature gradually falls and flows to front smoke box and enter 3rd pass, which is done in the smooth tube bundle area, and then through back smoke box lead to chimney and exhausted to the atmosphere.

Technical Advantages

Digitized Manufacture

The key processes including material cutting, rolling, drilling are made by advanced CNC machining process to reduce the assembly stress and extend boiler working lifetime.
The front and back smoke chamber plates are cut by CNC plasma cutting machine with tidy and beautiful look.

Easy Operation and Maintenance

Fully intelligent operation, with automatic adjustment and protection of burning, water level, temperature and steam pressure. The smoke box door uses the hinge structure for easy inspection, inventory and cleaning.

Long Service Life

The way to weld Smoke tube and tube sheet is to first expand to eliminate the gap between them, then adopt automatic argon arc welding to relief the stress and expand boiler service life.
Longitudinal and girth joint adopt advanced automatic submerged-arc welding for good welding quality. All longitudinal and girth joint are test by radiographic inspection.
Fin tube uses ND steel or stainless-steel material to avoid corrosion in the low temperature.
Inspection stops are set up to guarantee the sequence of expanding and welding to avoid cracking of the tube sheet holes.

Less Fuel Consumption

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

Boiler Inspections - Veolia Wat

2015-11-3 · Boiler inspections are dirty, usually hot and wet, confining and always a humbling experience, but they are absolutely essential. (James N. Tanis, Procedures of Industrial Water Treatment, Ltan Inc., 1987) W ith the heating season starting, it is only appropriate to discuss boiler inspections.

Horizontal Multi Tubular Small Industrial Boiler

Incase of coil type boiler megligence in water treatment will check the coil and there will be no Steam generation.This boiler will generate the Steam & no checking problems. However, coil type boiler is not advisable. Enthalpy value is more than same capacity of coil type boiler. If require, you can run this boiler in 23rd capacity load at

The Boiler House - beta.spiraxsarco.c

Shell boilers may be defined as those boilers in which the heat transfer surfaces are all contained within a steel shell. Shell boilers may also be referred to as 'fire tube' or 'smoke tube' boilers because the products of combustion pass through the boiler tubes, which in turn transfer heat to the surrounding boiler water.

Types of boilers, Fire tube, water tube an

2019-10-22 · Fire Tube Boiler: In a fire tube boiler, hot gas passes through the pipes and boiler feed water is inside the shell to be converted into steam. Fire tube boilers are usually used for relatively small steam capacities with low to moderate steam pressures.

PRODUCTS - Zhong Ding Boiler Co., Lt

Zhong Ding Boiler Co., Ltd. DZH Series Coal Fired Steam Boiler. Zhongding DZH Series coal fired steam boiler is single drum longitudinal type water and fire tube steam boiler, equipped with arched tube plate, thread smokestacks, solves the problem of the pot shell type boiler tube plate cracking, pan cone lower speed bulge, water-cooled wall tube explosion High thermal efficiency, sufficient power

E101-3155A - Water-Tube Package Boile

2016-10-19 · designed with 2 in. (5.08 cm) tubes spaced 2 in. (5.08 cm) apart (tube section in foreground). This helps to prevent membrane thermal cracking and contributes to a faster load response. B&W's water-tube package boiler offers more water-cooled surface, which in turn helps to meet today's stringent emissions regulations.

small capacity biomass fired water tube boilers

Mar 12 small capacity biomass fired water tube boilers Steam boiler, electric heating steam boilers, hot water 2018-10-24 · Sitong boiler manufacture and export variety industrial boilers, various fuels can be fired, coal biomass oil gas steam and hot water boilers, thermal oil boiler and electric steam boiler are innovative designed.

What is difference between water tube boiler and fir

Water Tube Boiler: * Water circulates in tubes and heated externally by hot gases. Fuel is burned inside the furnace. i.e (hot gases- outside the tubes and water- inside the tubes). * Operating pressure = upto 100 bar * Efficiency = upto 90% * Ste

Types of boilers, Fire tube, water tube an

2019-10-22 · Fire Tube Boiler: In a fire tube boiler, hot gas passes through the pipes and boiler feed water is inside the shell to be converted into steam. Fire tube boilers are usually used for relatively small steam capacities with low to moderate steam pressures.

THE BASICS OF BOILER WATER CHEMIST

2018-8-5 · • Small amount of boiler water drawn off near surface continuously or intermittently • Function is to control concentration of dissolved solids; provide correct boiler water chemistry • Bottom blowdown • Water emptied from mud drum or bottom of firetube boiler; function is removal of "sludge" • Done on regular schedule

Finding the Root Cause of Boiler Tube Failur

Causes: Tube damage occurs due to the combination of thermal fatigue and corrosion. Corrosion fatigue is influenced by boiler design, water chemistry, boiler water oxygen content, and boiler operation. A combination of these effects leads to the breakdown of the protective magnetite on the ID surface of the boiler tube.