Tenders Are Invited For Purchase Of A Heating Boiler For The Public School In The Village Of Akimovka

Water Heating Boiler. Thermal Power – Not Less Than 0.129 Gcal/Hour. Heated Area Of ​​At Least 1500 M². Heated Volume Is Not Less Than 4500 M³. Overall Dimensions Of The Boiler: Length Not Less Than - 1540Mm, Width Not Less Than -1230Mm, Height Not Less Than -2050Mm. Working Pressure No More Than -0.3 Mpa. Flue Gas Temperature Is At Least 150-170 ºс. Type Of Fuel: Solid (Coal). A Method Of Burning Fuel On A Grate, Without Forced Air Supply. Efficiency (Hard Coal/Brown), %81-83/75. Estimated Fuel Consumption At Maximum Power, Kg/Hour Karaganda Coal -42. Steel Water Heating Boiler With Manual Combustion Chamber Using Solid Fuel, Manufactured In Accordance With Gost 30735-2001. The Boiler Is Designed In A Horizontal Design. Without Brick Lining. The Hydraulic Circuit Of The Boiler Allows Working With A Temperature Schedule Of Up To 115 ºс. The Coolant Temperature At The Boiler Outlet Is No More Than -95ºс. The Base Of The Boiler Is Made Of A Pipe With A Diameter Of 159 Mm And A Wall Thickness Of 5 Mm; The Front And Back Sides Of The Base Are Made Up Of A Water Jacket. The Water Jacket Of The Combustion Part Is Made Vertically From Pipes With A Diameter Of 76 Mm In The Amount Of 26 Pieces, With External Thermal Insulation. The Firebox Is Made Of Ellipse-Shaped Steel With A Thickness Of 6 Mm. The Combustion Door Is Equipped With A Double Bumper. Flue Gases Exit In The Front Part Of The Furnace Through Chimneys With A Diameter Of 219 Mm, With A Wall Thickness Of 5 Mm, In The Amount Of 2 Pieces, With A Flame Arrester. From The Combustion Chamber, Flue Gases Turn 90 Degrees In The Gas Chamber And Are Directed Through Economizer Pipes With A Diameter Of 76 Mm, With A Wall Thickness Of 3.5 Mm, In The Amount Of 21 Pieces. The Economizer Is Located On The Top Of The Boiler Along The Entire Length Of The Pipes, Providing Maximum Heat Intake, Thereby Increasing Efficiency Up To 90%. Additionally Provided: Semi-Reversible Ball Valve D76 Welded - 2 Pcs, Bend D 76-4 Pcs, Pipe D 76-5 M, Tap D 15-1 Pcs, Thermometer - 1 Pcs, Pressure Gauge - 1 Pcs, Fitting - 1 Pcs, Thread D 15-3 Pcs, Coupling D 15-1 Pcs, Safety Valve - 2 Pcs, Sheet 3Mm-3000/1500Mm. Smoke Exhauster Dn-3.5 - 1 Piece