Tenders Are Invited For Purchase Of A Heating Boiler For Kgu Oosh Village. Zhambyl

Heating Boiler. Thermal Power – Not Less Than 0.214 Gcal/Hour. Heated Area Of ​​At Least 2500 M². Heated Volume Is Not Less Than 7500 M³. Overall Dimensions: Length Is Not Less Than -1900 Mm, Width Is Not Less Than 1230 Mm, Height Is Not Less Than 2200 Mm. Boiler Weight Is Not More Than 1180 Kg. Operating Pressure Is Not More Than 0.3 Mpa. Flue Gas Temperature Is Not Less Than 150-170 ºс. Type Of Fuel Is Solid (Coal). Method Of Burning Fuel On A Grate, Without Forced Air Supply. Efficiency (Hard Coal And / Or Brown Coal), % 81-83/75. The Boiler Is Made In A Horizontal Design. The Boiler Is A Single Multi-Block Structure Installed On A Metal Ash Box. The Hydraulic Circuit Of The Boiler Allows Working With A Temperature Schedule Of No More Than 115 ºс. The Coolant Temperature At The Outlet Of The Boiler Is No More Than 85-95 ºс. The Base Of The Boiler Is Made Of A Pipe With A Diameter Of At Least 159 Mm With A Wall Thickness Of At Least 4 Mm, But Not More Than 5 Mm. The Front And Back Sides Of The Base Are Made Up Of A Water Jacket. The Boiler Is Made With A Rectangular Base, The Upper Part Is Semicircular In Shape With The Placement Of Overhead Pipes. The Water Jacket Of The Combustion Part Is Made Vertically From Pipes With A Diameter Of At Least 76 Mm In An Amount Of At Least 32 Pieces, With External Thermal Insulation. The Firebox Is Made Of Ellipse-Shaped Steel With A Thickness Of At Least 6 Mm. The Combustion Door Is Equipped With A Double Bumper. Additionally Provided: Semi-Reversible Ball Valve D76 Welded, At Least 2 Pieces, Branch D 76 No Less Than 4 Pcs, Pipe D 76 No Less Than 5 M, Tap D 15 No Less Than 1 Pc, Thermometer No Less Than 1 Pc, Pressure Gauge No Less Than 1 Pc, Fitting No Less Than 1 Pc, Thread D 15 No Less Than 3 Pcs, Coupling D 15 No Less Than 1 Pc, Safety Valve No Less Than 2 Pcs, Sheet No Less 3Mm-3000/1500Mm. Smoke Exhauster At Least - 1 Piece.