Water and fire tube boilers - SlideShare

Apr 17, 2015 · Water Tube Boilers In this type of boiler water passes through the tubes while the gases remain in the shell side, passing over the tube surfaces • Used for high steam demand and pressure requirements • Capacity range of 4,000 – 120,000 kg/hour • Combustion efficiency enhanced by …

Learn More

Steam Boiler: Cause of Failure in Fire Tube Boiler

In modern boiler, fire tube boiler is designed automatic. If water level reaches minimum low level, fire tube boiler will sound alarm and automatically shut down. Another cause of failure in fire tube boiler is the boiler age is very old. Material of boiler is fatigue so cause material strength can not resist the pressure.

Learn More

2. BOILERS - Bureau of Energy Efficiency

2. BOILERS Bureau of Energy Efficiency 27 Syllabus Boilers: Types, Combustion in boilers, Performances evaluation, Analysis of losses, Feed water treatment, Blow down, Energy conservation opportunities. 2.1 Introduction A boiler is an enclosed vessel that provides a means for combustion heat to be transferred into water until it becomes heated water or steam.

Learn More

Used Boiler Package Water Tube, Used Boilers

Stock #V850-15. Used BABCOCK & WILCOX water tube boiler 30,000lbs superheated steam (per hour), heating surface: 6821 ft2 Operating pressure 180 psi / at 450 deg. F The superheaters were replaced (2011) Boiler was extensively overhauled and refurbished in с 2013.

Learn More

how to calculate heating surface of - Fire Tube Boiler

Nov 24, 2016 · ⑤ classified by the steam pressure can be divided into: low-pressure boilers, pressure in the boiler, high-pressure boiler, high pressure boiler, high pressure boilers, sub-critical pressure boilers and supercritical pressure boiler. ⑥ Press the tube through the water or gas can be divided into categories: fire-tube …

Learn More

Description of Construction and Inspection Procedure for

The common steam locomotive boiler is a horizontal straight fire tube boiler with riveted cylindrical boiler courses, a stayed internal firebox at the rear, and a smokebox at the front. Operating pressure ranges up to 300 psi. The boiler shell is made up of cylindrical sections or …

Learn More

Know the Basics of Fire-Tube Steam Boilers - Teems Electric

Fire Tube Boiler - Types, Construction, Working & Applications

Learn More

Factory owners must ensure the boiler is

2. Features of Fire-Tube Boilers 7 3. Flashing Up Procedure 9 4. Testing of Gauge Glass 11 5. Low-water Level Cut-Off Switch 16 6. Steam Pressure Testing of Safety Valve 17 7. Testing of Steam Pressure Switch 18 8. Testing of Flame Detector 19 9. Fire-Tube Boiler Emergencies 19 10. Handling of Boiler …

Learn More

Description of Construction and Inspection Procedure for

Know the Basics of Fire-Tube Steam Boilers - Teems Electric

Learn More

What is the range of operating pressure in a fire tube boiler?

Pros & Cons of Fire & Water-Tube Steam Boilers - Teems Electric

Learn More

How a Water Tube Boiler Works | Miura America

Jul 25, 2017 · Economizer (heat exchanger) is the boiler accessory used to recover the heat of flue gas that leaving the boiler by heating feed water. The efficiency of a boiler can be increased with an economizer. 60C rise in feed water temperature with the help of economizer can save up to 1% of fuel.

Learn More

Fire Tube Boiler : Types Construction, Working

Fire Tube boiler is the simplest form of the internal furnace, vertical fire tube boiler. Fire tube boilers are a portable boiler and it requires a small floor space. The steam rating in fire tube boilers doesn't exceed 2500 kg per hour and pressure is limited to 10 bars. A fire-tube boiler is a type of boiler …

Learn More

Fire-tube boiler - Wikipedia

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. These are the low-pressure boiler which cannot generate much …

Learn More

Lay-up of Heating Boilers - The National Board of Boiler

1 — Draining the boiler. Perform a bottom blow-off on the boiler before and then after shutdown to remove sediment and scale and to drop the unit's pressure and temperature. Once the unit is at zero psi gage pressure and water temperature is under 140°F, open an air vent and boiler drain to empty the boiler.

Learn More

Steam Boiler Systems: What Every Project Engineer Should Know

Several models are limited to 250 psig design pressure, with some designed for a maximum pressure of 350 psig. A water tube boiler is essentially the opposite of a fire tube. The water runs inside the tubes, while the flue gas passes around the outside. This type of boiler can generate steam …

Learn More

Water Tube Boiler | Operation and Types of Water Tube

Aug 28, 2019 · Water Tube Boiler is a high-pressure boiler that operates at a pressure of about 165 bar. Basically, in this boiler, water will be flown inside the tubes surrounded by flue gases. More steam is generated by using this boiler so, the overall efficiency of the boiler is high. The water Tube boiler is shown in the figure below.

Learn More

Difference Between Water Tube Boiler And Fire Tube Boiler

Jul 20, 2020 · Water Tube Boiler: Fire Tube Boiler: 1. The water flows inside the tube and the hot combustion gases flows outside the tube. 1. The hot gases flows inside the tube and the water is outside the tube. 2. These are generally high pressure boiler ranging up to 70-100 Bar. 2. These are generally low or medium pressure boiler up to 25 Bar. 3.

Learn More

Section 23 52 39 - FIRE-TUBE BOILERS

3.This specification includes high pressure, factory assembled, packaged Scotch marine, horizontal, wetback, fire tube boilers with a minimum heating surface area of 5 square feet per boiler horsepower. Other types of high pressure, fire tube boilers are readily …

Learn More

Most Common Steam Boiler Types | Miura America

Fire Tube Boiler. The most common type of boiler system especially for industrial uses, fire tube boilers, has been around for a long time because of their ability to meet steam needs when the demand is large and constant. These pressure vessels are filled with water, and the fuel used to heat the water is kept inside a series of tubes.

Learn More

Construction and Working of Steam Boilers (With Diagram

Construction of Scotch Marine Fire-Tube Boiler: The flue-tubes are simply pushed into plate and then expanded at the tube plates to make steam tight joints. The headers are made of cast iron or steel depending on the pressure of the boiler. The tubes are expanded in the …

Learn More