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Liquefied Natural Gas (LNG) Fired Boiler
Capacity: 0.5-20 ton/h
Pressure: 0.7-1.25 Mpa
Applications: heat supplying, hospital, hotel
To overcome this drawback of availability, natural gas shipping takes place from available regions to other countries in liquid form. This is Liquefied Natural Gas (LNG). LNG has volume that is 1/600th of its original volume. This reduces transportation costs considerably. Liquefaction and transport require require special treatments and are highly capital intensive. Removal of all impurities like sulphur, water and other elements is necessary for liquefaction which requires an elaborate pretreatment plant. The receiving side also should have an LNG terminal for re-vapourising the LNG to its gaseous form.Advantage:
1.Long working life
3-pass and wet-back are designed to avoid the damage of back tube sheet from the high temperature smoke.
Threaded firetube and corrugated furnace are used to increase the heating area. That allows over 30% of the energy to be absorbed in the furnace. This means a shorter boiler overall. Definitely, it can save your boiler room construction costs.
3.Ease of maintenance
Everything is up front,adjustable and accessible.
4.New type economizer
It is made by finned steel tubes. The material is ND steel (09CrCuSb), which is acid-resistant and corrosion-resistant at low temperature. It is smaller but the heat exchanging area is bigger than normal. By calculation, It can save around 5% fuel.
Lowering emissions in the ZOZEN-WNS series of boiler involves two key factors:
(1) advanced burner solution;
(2) the proper sizing of furnace to minimize nitrogen oxides and other contaminants from forming during the combustion process.
Attaining high fuel to steam/water efficiency in a boiler today requires a highly engineered package from a single source who is providing integrated burner, controls and the heat exchanging vessel. Zozen WNS series of boilers is the premier package in the domestic Industry guaranteeing the highest efficiencies.
|WNS1.5-1.0-Y(Q) WNS1.5-1.25-Y(Q)||WNS2-1.0-Y(Q) WNS2-1.25-Y(Q)||WNS3-1.0-Y(Q)
|Rated steam capacity（t/h）||1||1.5||2||3||4||5|
|Rated working pressure（Mpa）||0.7/1.0||1.0/1.25||1.0/1.25||1.0/1.25||1.25/1.6||1.25/1.6|
|Rated steam temperature（℃）||170/184||184/194||184/194||184/194||194/204||194/204|
|Feeding water temperature（℃）||20||20||20||20||20||20|
|General power （KW）||3.6||4 .8||7.0||10.5||13||16.5|
|Feed pump model||JGGC2-8×16||JGGC2-8×16||JGGC2.4-8×18||JGGC4-8×18||JGGC4.8-8×22||JGGC6-8×18|
|Max part weight||4||4.5||8.5||8.9||13.3||14.3|
|Max dimension of delivery