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10MT Dual Cylinder Assembled Steam Boiler
Specifications:1) Model: SZL10-1.25-AII assembled hose steam boiler2) Rated evaporation: 10MT/h3) Pressure: 1.25MPa4) Saturated steam temperature: 194oC5) Water supply temperature: 60oC6) Hydraulic pressure test pressure: 1.65MPa7) Exhaust smoke temperature: 170oC8) Tested thermal efficiency: 82.74%9) Hearth capacity: 29.9m310) Outer size (L x W x H): 9.38 x 4.00 x 6.20m11) Heated surface: 408m2a) Hearth: 29.5m2b) Convection: 204.1m2c) Coal saver: 174.4m212) Effective grate area: 11.8m213) Fuel consumption: 1,540kg/h14) Fuel category: soft coal II, Q =4,480kcal/kg, Vr=28.8This boiler has a dual cylinder longitudinal structure and natural cycle methods consisting of the upper components with the dominant main parts. The lower components are primarily the combustion equipment. The two main parts can be instantly installed and manufactured. Only the boiler wall and back arc of the upper and low main parts need to be constructed. Connect the smoke wind tunnel with the pipeline, meter, valve and the coal saver before pouring the front arc.Structure:1) Upper and lower cylinder diameter: φ 900mm2) Cylinder central distance: 2,300mm3) 7 Left-right cabinets: φ219mm4) Level central distance: 2,800mm5) Hearth water cooling wall pitch: 53mm6) Convection check distance: 91 x 120mm7) The boiler check and the water cooling wall are welded and connectedwith the upper and lower cylindersCombustion equipment:1) Light chain-grate stoker2) Width: 12,300mm3) Effective area: 11.8m24) Five independent wind storage cabinets5) Dual-side air inlet ash door6) Brick boiler arc7) Front water cooling arc and level angle are 20o8) Outlet height: 1,320mm9) Back arc outlet height: 936mm10) Front-back arc coverage rate is 70.4%11) Obliquity: 10o12) Reasonable combustion within the boiler with front arcDesign features:1) After extensive selection, the vertical hose boiler is easily defined andsymmetrical facilitating manufacture and maintenance. It is with compactsize and low metallic consumption, great water capacity and largeconvection heat transfer coefficient2) The configuration of the water cool wall structure varies with the heatload on the boiler wall. The hearth section is airproof. The outer tubeneeds to be buried with the boiler wall. The pitch of the convectionsection is 90o. The utilization of δ40 firebrick at the outer tubemakes the wall structure quite reasonable3) Brick structured back arc is with water cooling front arc of fire-resistantconcrete pouring. The adoption of water cooling arc greatly increasesthe firmness of the front arc and the height. The smoke is fully disturbedat the front arc to increase the radiation of the burning section of thegrate. The back arc is built of arc with adjustable coverage. Therefore,the adaptability of the burning coal categories is extensive4) Compressed shell with baked outer painting for brighter and morerigid color housing5) Water quality of the boiler should be in rigorous compliance with theGB1576-2001 industrial boiler water quality standards. Normally theusage life of the boiler is 15 years6) Step-less shift of the grate timing motor makes the rotating speedof the grate more reasonable7) Meter control panel is equipped with a complete set of equipment. Allthe key data during the operation of the boiler are clearly displayedon the control table. The blow-suction inlets are operated on theoperation table
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