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.
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.
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.
ETC6000 Oxygen Trim Option by Energy Technology & Control Ltd The ETC6080 oxygen trim interface and software that allows an oxygen probe to be added to the ETC6000 Integrated Combustion Controller or the ETC6100 Fuel:Air Ratio.
When oxygen trim is included the oxygen levels can be set at their optimum level. In addition, if the trim control is adaptive then it will contribute energy savings of approximately 2% to 3%. Boiler sequencing (lead/lag) control and Communication Software Modern electronic fuel:air ratio controls incorporate boiler sequencing and
Improve Boiler Combustion EfÞciency BeneÞts LOWER FUEL COSTS: Delivers complete fuel combuststion maximizing usable heat energy REDUCE EMMISSIONS: Reduces carbon dioxide and carbon monoxide emissions VERSATILITY: Flexible HMI set-up to optimally control your unique boiler equipment CC-300 REAL-TIME BOILER OXYGEN TRIM CONTROL
Jul 22, 2019· Condensing Boilers – O2 Trim Should be Standard in Your Specification. easy way to make sure you have this valuable addition to the controls on your boilers is to specify the Aerco Platinum boiler. This trim is not proprietary, although the unique control of the Platinum is limited to Aerco.
Limiting the amount of excess air entering a flame is accomplished through burner design and can be optimized through the use of oxygen trim controls. Low excess air firing can be used on most boilers and generally results in overall NOx reductions of 5-10% when firing natural gas.
Oct 10, 2017· The boiler will operate in condensing mode, at highest efficiency, more of the time. There is a diminishing returns effect in oxygen content and performance for the unit. Too much available oxygen will lead to inefficient combustion. Over time, the unit will require unscheduled maintenance.
However, much of that savings can be attributed to a more reasonable manual tuning of the boiler, and not necessarily from the installation of an automatic O2 control system. Well-tuned boilers can expect savings of 2 – 4% according to Hays Cleveland. Estimating Payback from the Installation of O2 Trim
Associated Boiler Line Equipment Co., Inc. 70 Raton Drive Milford, CT 06461 Phone: 203-876-0636 Fax: 203-876-0150 www.ablecompany.com Page 1 of 2 The Benefits of Adding Oxygen Trim to Single Point Positioning or Parallel Positioning Combustion Control Systems Background
The O 2 trim loop will then adjust the air flow PV, causing the air flow loop to add or subtract air to maintain it at the same % as the fuel flow % and boiler master %. Burner O 2 trim is typically limited to adjust the air by only ±10% to ±20%.
File Size: 19KB Oxygen Trim. An oxygen trim is an ‘add-on’ to the digital combustion controller. A probe is installed in the boiler flue exit and constantly samples the flue gases for the optimum oxygen content and ‘trims’ the air setting to ensure that the burner fires at optimum efficiency throughout the firing range.
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