horizontal multitubular boiler introduction
ZOZEN's main products include industrial boilers, power station boilers, waste heat recovery devices (HRSG), special waste heat boilers, pressure vessels and other five series with more than 400 varieties of specifications, mainly classified as: 10 ~ 220 t/h series power station boilers; SHL series bulk coal-fired Steam and hot water boilers; SZL series pipe assembly boilers; DZL series shell boilers; WNS series, SZS series of oil/gas fired boilers; YLL series of coal-fired thermal fluid heater; YYW series of fuel gas thermal fluid heater; biomass fuel boiler steam and gas combined cycle waste heat boilers, special waste heat boilers and so on.
ZOZEN has built six fully automatic lines for the production of convection pipe, coil pipe, threaded pipe, membrane wall, serpentine tube and header. The parts so produced have consistent dimensions that enable easy assembly and ten years’ extension of a boiler’s life.
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Seven Hold Points
Seven hold points are set and each one is supervised by a responsible inspector. Any work that fails to pass the inspection cannot proceed until the inspector is able to verify its quality.
1,Incoming materials are inspected again upon entry into the plant.
2,Material markings will be transferred to all cut pieces to ensure identification and traceability.
3,Test pieces are used to ensure a higher success rate in welding.
Unique structural designNational Precision Bearing offers stainless steel for applications that require corrosion resistance.We have world class manufacuring facilities using latest technology, machines and equipments.
The Cable Car Home Page - Cable Tramways i
In May, 2007, Mal Rowe reported in the TramsDownUnder Yahoo Group that road work in Abbotsford Street, North Melbourne had uncovered cable tram tracks of the West Melbourne line.Mal reported that ;The track, the slot, and even a glimpse of the yoke and tunnel are all there to see.Contact us
History of technology - The Industrial Revolutio
The Industrial Revolution (1750–1900). The term Industrial Revolution, like similar historical concepts, is more convenient than precise. It is convenient because history requires division into periods for purposes of understanding and instruction and because there were sufficient innovations at the turn of the 18th and 19th centuries to justify the choice of this as one of the periods.Contact us
American engineers - Steamind
Adams, Frederick Upham Born in Boston, Mass. on 10 December 1859; died at Larchmont, New York on 28 August 1921. In 1892 he published a treatise on atmospheric resistance and its relation to the speed of trains which led the Baltimore ; Ohio Ralroad to build a prototype which was tested in 1900, but failed to achieve the speeds predicted.Contact us