Tenders Are Invited For Purchase Of A Heating Boiler For The Public School In The Village Of Uzunkol in Kazakhstan

Work Detail

Water Heating Boiler. Thermal Power – Not Less Than 0.257 Gcal/Hour. Heated Area Of ​​At Least 3000 M². Heated Volume Is Not Less Than 9000 M³. Overall Dimensions Of The Boiler: Length Not Less Than - 2030Mm, Width Not Less Than -1230Mm, Height Not Less Than -2200Mm. 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 -63. 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 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 76 Mm In The Amount Of 36 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. 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 Brand Dn-3.5 - 1 Piece.

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