wet back design boiler Agents
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
We, Urjex Boilers Pvt. Ltd. are a renowned manufacturer & exporter specializing in Boilers, Industrial Boilers, Thermic Fluid Heaters, Hot Air Generators, Pressure Vessels and accessories. Our offered range is acclaimed for high performance, low maintenance, excellent durability and robust designs. Introduction(overview):- With 3 decade expertise in BOILER manufacturing …Get Price
Dry Back Boilers: The reversal chamber in dry back boilers is not completely surrounded by water. The posterior part is exposed to the atmosphere. This leads to the increased radiation losses, as the radiant heat is lost to the atmosphere instead of going to the water as in wet back boilers. Earlier generation boilers used to be dry back.Get Price
Sep 15, 2015 · Fire Tube Boilers Also referred to as smoke tube boilers, shell boilers, package boilers Multiple gas paths - 2, 3 and 4 pass Internal furnace or fire box as the 1st pass Dry back or wet back design Single fuel or dual fuel design Little or no steam separation equipment 17. Fire Tube Boilers 18. Fire Tube Boilers 19.Get Price
Borderer Steam Boiler. The Cochran Borderer steam boiler utilisies a full wet back design for maximum efficiency. A key feature of the Borderer series is the boilers' compact design. The small footprint makes it ideal for a wide range of commercial and light industrial applications such as laundries, hotels and small to medium manufacturing Get Price
China Combi Gas Boiler Manufacturers, Suppliers, 3) The horizontal gas bath boiler is a three-pass full wet back structure, which adopts the design of large furnace and thick smoke pipe to increase the heat absorption of the furnace and effectively save energy and reduce consumption.Get Price
These boilers are produced by us for the generation of steam or hot water in wet back design. THREE-PASS BOILERS FOR LIQUID AND GASEOUS FUELS . STEAM GENERATORS (saturated and superheated steam): single flame tube design up to 22.8 t/hr; double flame tube design up to 45.6 t/hr . HOT WATER GENERATORS . single flame tube design up to 15.6 MWGet Price
May 26, 2012 · The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third party users. 500 kg/hr 3 pass wet back package boiler 500 kg/hr 3 pass wet back package boiler / Loading Renderings. Folder. November 7th, 2012 package boiler.stl. stl. June 5th, 2012 package_boiler Get Price
Steam Boiler - Wet Back Design Gas Fired Boiler . Steam Boiler Offering you a complete choice of products which include wet back design gas fired boiler, agro waste fired steam boiler, three pass steam boiler, fully automatic steam boiler, urjex make hsd oil fired steam boiler and fluidized bed combustion boiler. Learn MoreGet Price
In some of the new designs of highly rated flue tube boilers, an additional water-cooled partial end chamber was added to eliminate the refractory on the back plate of end plate. Such designs are called wet backflue tube boilers and have become popular on highly rated marine boilers. Furnace Development on Water Tube BoilersGet Price
The steps of preparing a boiler for wet lay-up are essentially the same for dry lay-up. The exception is when a boiler is closed and prepared to be filled with water and water treatment chemicals. Perform dry lay-up steps 1-6 (except do not swab the fireside with mineral oil) and then follow with step 7 below.Get Price
Semi-Wet Back Boilers. In semi-wet back boilers, the side shell of the wrapper drum which is connected to the furnace is surrounded by water while the rear end of the wrapper drum is exposed to the outside environment. These types of boiler also have radiation losses but are less as compared to dry back boilers. Fully Wet Back BoilersGet Price
Firetube Boilers - Two Pass Wet-Back (SG) - Performance . The wet back design refers to water at the back of the boilers inversion chamber thus eliminating the need for refractory. Another feature is that the tubes are both expanded and welded to the tube-sheets. The SG Firetube Boilers are only available in a two pass design.Get Price
Three Pass Wet Back Design Scotch Marine Boiler. Extra large furnace for low heat release. Ohio Special Brochure 2.554 MB Folleto de la Ohio Special 313.224 KB Ohio Special Steam Specs 63.488 KB Equipment Lifting Points 389.74 KB Euro Series Boilers. Available in 8 Models from 100 - 2000 BHP. Get Price
Refurbished firetube and watertube boilers available for sale and rental. 1998 Johnston Firetube Boiler 200HP 8096 in United StatesCapacity: 200, One (1) 1998 200 HP Johnston boiler, 4 pass wet back, gas and No. 2 oil fired, 250 PSI design pressure The …Get Price
Corrosion - Corrosive components, especially O2 and CO2, have to be removed, usually using a deaerator. Remnants can be removed chemically by the use of an oxygen scavenger. Furthermore, feed water has to be alkalized to a pH of 9 or higher to reduce oxidation and support the forming of a stable layer of magnetite on the water-side surface of the boiler, protecting the material …Get Price
A "Scotch" marine boiler (or simply Scotch boiler) is a design of steam boiler best known for its use on ships. Sectional diagram of a "wet back" boiler The general layout is that of a squat horizontal cylinder. One or more large cylindrical furnaces are in the lower part of the boiler shell. Above this are many small-diameter fire-tubesGet Price
White smoke black smoke yellow smoke fire smoke and. In order to reduce the dust pollution by the emission standard the company will install water filtration at the discharge terminal The exhaust gas of the will be filtered into the water and all the dust inside will be filtered out and then discharged to the atmosphere in While filtering the dust the high heat in the exhaust gas is also Get Price
Wet-back design provides maximum benefit from heat transfer area Better combustion due to low back pressure Boiler efficiency up to 91% and up to 95% with economizer Ease of installition and maintenance by means of walking platform on top of the boiler Tube change by means of tubes welded to tube-sheetGet Price
May 13, 2016 · Kefid. Reversal chamber is the posterior portion of the boiler combustion chamber through which the flue gases travel from the furnace's first pass to the second pass tubes. And based on the construction of reversal …Get Price
Wetback vs Dryback firetube boiler designGet Price
A further subclassification of scotch boilers describes the end closure opposite the burner end of the boiler. A wet-back means the end closure is water cooled and a dry-back means the end closure is not water cooled and relies on fire brick, refractory, or a combination of both to prevent the end closure from overheating.Get Price
The turnaround design utilized in the boiler further classifies firetube boilers as dry back, wet back, or semi-wet back. The difference in turnaround design stems from the utilization of water surrounding the rear wall (wet back) or the utilization of refractory (dry back). Another classification of design is the number of passes the hot gases Get Price
The full wet back system delivers maximum efficiency; combined with a compact design and small boiler footprint; the Clansman is ideal for a wide range of commercial and light industrial heating applications such as hospitals, hotels and small to medium sized manufacturing sites. Rating: 293 kW to 3516 kW (1.0×106 BTU/hr to 12×106 BTU/hr).Get Price
Sep 18, 2020 · The back of the boiler is constructed with a refractory lined door (dry back) or water filled (wet back). The wet back boiler is more difficult to construct and requires extra seals, so it is more expensive, but the increased heat transfer area improves efficiency. Fire-tube boilers are constructed of ferrous metals.Get Price
Oct 29, 2010 · When the flame is reversed at the rear door of the boiler it is a dry back. When there is a combustion-reversing chamber there will be water behind the chamber. This is called a wet back boiler and is more economical. Design aspects have a big influence with regards to 2-, 3- and 4-pass boilers.Get Price
industrial hot water boilers. Introduction We have horizontal gas oil fired from 500kg/hr-40000kg/hr | Vertical gas oil fired from 100kg/hr-2000kg/hr Yuanda manufacturing gas (oil) fired with complete spare parts and equipped with world famous gas/oil burners high efficiency & energy saving WNS series oil gas fired packaged is a safe and high efficiency (998%) heating …Get Price
Why Our Boilers Are Designed As Wet-Back Boilers: Dry-Back Boiler VS Wet-Back …Get Price
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.Get Price
Hot water heating system design procedure with heat loss, boiler rating, heater units and more. The design of a hot water heating system may follow the procedure as indicated below: Calculate the heat loss from the rooms. Calculate the boiler output. Select heater units. Select type, size and duty of circulation pump.Get Price
This series of boilers is designed with a classic shell type, full-wet back, down-flow and three-pass design structure. The fuel is fully burned in the large-capacity combustion chamber, and the combustion heat load is low, which can greatly reduce the emission of harmful substances such as CO and NOx.Get Price
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