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. Introduction:
unical boiler ell1320 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.
Technical advantages 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.
Easy operation and maintenance
Fully automatically operating, with automatically adjustment and protection of burning, water level, temperature and steam pressure.
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.
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.
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The UNICAL boilers , MODAL range, have been tested and CE cer tified for the gas oper ation by GASTEC ITALIA, who has recognised to these boilers the conformity certificate according to the following directives: - Gas Appliances Directive (90/396 CE), compulsory as per 1st January 1996;
The end user MUST not make any alterations to the boiler. Failure to follow the instructions indicated in this manual, which is supplied with the boiler, could cause injury to persons, animals or damage to property. UNICAL shall not be held liable for any injury and/or damage.
The UNICAL boilers, ELLPREX range, have been tested and CE certified for the gas operation by TECHNIGAS (BELGIUM), who has reco gnised to these boilers the conformity certificate according to the following directives: - Gas Appliances Directive (90/396 CE), compulsory as per 1st January 1996;
the boiler room. When the difficulties are irresolvable, it is also available in ELLPREX S version, to be assembled and welded directly in the boiler room, maintaining all the peculiar characteristics of the ELLPREX boilers range. MODELS WITH NARROWSECTION 710 710 750 750 780 780 780 630 kW 290 kW 340 kW 420 kW 510 kW 170 kW 240 kW
And whether unical boiler is vertical, or horizontal. There are 7 unical boiler suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Italy, and Egypt, which supply 71%, 14%, and 14% of unical boiler respectively. Unical boiler products are most popular in Domestic Market, South Asia, and Mid East.