Home > steam boiler down comers and riser tubes

steam boiler down comers and riser tubes

About Us

Zozen Boiler main products include gas&oil boiler, coal-fired boiler, biomass boiler, thermal fluid heater and other series of more than 400 varieties of specifications.
Contact us for Email:[email protected]

Our Main Product

our main boilers
wns boiler picture

1-20 ton gas/oil fired boiler

Price: $1-$99999/set

Capacity: 1-20 ton/h

Pressure: 0.7-2 Mpa

Fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

szs boiler picture

7-70 MW gas/oil fired hot water boiler

Price: $1-$999999/set

Capacity: 7-70 MW

Pressure: 1.0-1.6 Mpa

Fuel: Nature gas, coke oven gas, blast furnace gas, carbon black off-gas, biogas, methanol, LPG, diesel, heavy oil, light oil, crude oil, etc.

Industries: Heat supplying, hospital, colleges and universities.

szl boiler picture

2.8-29mw coal fired boiler

Price: $1-$999999/set

Capacity: 2.8-29mw

Pressure: 1.0-1.25 Mpa

Fuel: Bituminous coal, lean coal, anthracite

Industries: Heating, hotels, schools, hospitals

yyw boiler picture

horizontal thermal fluid heater

Price: $1-$99999/set

Capacity: 700 - 14000 kw

Pressure: 0.8 - 1.0 Mpa

Fuel: natural gas, coke oven gas, bio-gas,liquid propane gas, diesel, heavy oil, light oil, crude oil

Industries: Petroleum, chemical, chemical fiber, pharmaceutical, textile printing and dyeing, building materials, wood processing, vegetable oil processing and other industries

wns boiler picture

1-20 ton biomass fired boiler

Price: $1-$999999/set

Capacity: 1-20 ton/h

Pressure: 0.7-2.5 Mpa

Fuel: Biomass particles

Industries: Heating, chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building material, wine, rubber, hospital

Understanding Boiler Circulation - Cleaver-Brooks - Complete Boiler

Oct 1, 2013 Boiling occurs in the evaporator tubes, and generates wet steam. In this D-type boiler with an external drum, downcomers and risers, 

Boilers - EnggCyclopedia

Downcomers carry the water from steam drum to the bottom part of the boilers big pipe headers that transfer water from the downcomers to the risers through a 

Steam/water circulation design

Steam Boiler Technology eBook .. Figure 5: Schematic of the Höyrytys TTK fire tube steam boiler from Figure 3 [Hoyrytys]. . the downcomers and risers. [4].

Prediction of risers&39; tubes temperature in water tube boilers

Adc. cross sectional area of the downcomers. H. heat transfer coefficient. hf. specific enthalpy of feedwater. hs. specific enthalpy of steam leaving the boiler. hw.

Downcomers - an overview | ScienceDirect Topics

Downcomers are tubes that start from the steam drum and supply water to Bubble cap trays, in which caps are mounted over risers fixed on the plate (Figure 4.5). . Downcomer tubes from the boiler drum are connected to a common header 

Boiler Tubes. - ppt video online download - SlidePlayer

Downcomers are the largest diameter tubes in the boiler. wall tubes is returned to the steam and water drum by means of water wall headers and risers or may 

The Boiler Circulatory System: Beyond the Steam-Generating Boiler

Super-heated steam comes from a boiler to a turbine and turns the turbine blades to Supply tubes (5 in. diameter) supply the steam/water from the downcomers to the Riser tubes, so named for the water/steam rising from the upper water 

Water tube boilers - Marine steam boilers

A water tube marine steam boiler consists of a large number of closely spaced water tubes connected to one or Distribution box for Waterwall and downcomers. Riser The water-steam emulsion rises in these tubes toward the steamdrum.

Eckrohr steam Boiler - Marine steam boilers

Eckrohr Boiler, Corner Tube Boiler, is a boiler for all kinds of fuel. Due to the cage structure with downcomers, headers and overhead pipes the Eckrohr Steam Boiler is The water-steam mixture flows upwards through the riser tubes (4).

62b-203 boiler construction

The downcomers are these large diameter pipes connecting the steam drum with the Riser tubes are large tubes located above the furnace roof to provide a 

Heat Recovery Steam Generator - Wiki - odesie by Tech Transfer

As more heat is added to the boiler tubes, the steam quality of the fluid increases. tubes and enters the drum as a steam/water mixture through the riser tubes. The water leaves the drum via the downcomers and enters the IP evaporator.

Boiler | Engaged in Thermodynamics

The mixture ascends in tubes called risers to the steam drum. In the The water carried in the downcomers mixes with and 

Boilers - Higher Education

Downcomerstubes that transfer water from the steam drum to the mud drum Riser tubestubes that allow water or steam from the lower drum to move to the.

Steam Boiler Treatment 101 - Global Water Technology, Inc

Due to typical high pressure, any plugging of risers or down comers can create serious Steam Generator A small water tube boiler that can go from ambient 

Opening Drain Valve Leads to Catastrophic Failure of Boiler Tubes in

Consider this like a U tube having the down comer filled with denser fluid to the drum through riser tubes that carry the water steam mixture to the drum.

Boilers Summary - Integrated Publishing

Downcomers are the pipes in which the water from the steam drum travels to Risers are the piping or tubes that form the combustion chamber enclosure.

Feed Water and Steam Circuit of Boiler | Electrical Study App by SARU

These are also essential for Feed Water and Steam Circuit of There are two types of water tubes, viz. down-comer and riser.

schneider-kessel berlin - INTEC Engineering GmbH

The Boiler is designed as a water-tube boiler for steam and hot water riser tubes. 8 drum (1) and all down comers (2 & 6), the mixture tubes (8), the overflow 

The Circulation of Water and Steam in Water-Tube Boilers - CiteSeerX

Mar 4, 2016 in part I1 the flow in the simple U-tube boiler is calculated ; and in part I11 the features of various departures frequency and duration of shut-down periods for cleaning and overhaul .. of the down- comer tube, and the downcomer tube is heated less .. ating any steam; it then rose in the unheated riser.

Dynamic Shrink/Swell and Boiler Level Control Control Guru

Apr 9, 2015 The tubes producing large quantities of steam are termed risers and those to the mud drum from the steam drum are termed downcomers.

GET Support & Price

Please Feel free to give your inquiry in the form below.We will reply you in 24 hours