US2993481A - Water tube boiler - Google Patents
Capacity:1-20t/h
Rated thermal efficiency: 100-104%
Fixed working pressure: ≤1.6MPa
Applicable fuel:natural gas etc.
Capacity:0.7-14MW
Rated thermal efficiency:96-98%
Fixed working pressure:≤1.25MPa
Applicable fuel:Natural gas, light oil, etc.
Capacity:0.7-2.8Mw
Rated thermal efficiency: 97.2-106%
Fixed working pressure:0.1MPa
Applicable fuel:Natural gas, etc.
Capacity:2.8-7.0Mw
Rated thermal efficiency:≥105.5%
Fixed working pressure:-0.02MPa
Applicable fuel:Natural gas, etc.
Capacity:99Kw
Rated thermal efficiency:97.2-104.4%
Fixed working pressure:1.0MPa
Applicable fuel:Natural gas, etc.
Capacity:0.5-4.0 t/h
Rated thermal efficiency:98%
Fixed working pressure:≤1.25MPa
Applicable fuel:electric energy
This recall involves only Navien condensing tankless water heaters and combination boilers with model numbers NPE-180A, NPE-180S and NCB-180E that have been or will be converted from using natural gas to propane gas. The first two digits …Get Price
US1842235A - Water tube boiler - Google PatentsGet Price
In a water-tube boiler in which pollutant (especially NOx) emissions are reduced, a plurality of water tubes arranged in an annular shape are provided. At least some of the water tubes thereof are spaced apart along an annulus so as to provide a plurality of gaps therebetween. A combustion-reaction ongoing gas passes through these gaps, and a temperature thereof is …Get Price
gFi "re 1 15a longitudinal sectional View certaintfeatures of the invention. Fig; 2 is ia transverse rsectional'view, on liiie :ir'r Iilig. -3, of a locomotive boiler embodying certain features of the invention; Fig. 3 is a section on, linefg i in. Fig. 2, looking from right to -left.- -Fig. 4 is a detail view, in sec tji.on'al elevation, showing the device's for separating. steam and water in Get Price
Operation and Types of Water Tube Boiler - Electrical4UGet Price