|
1. The Subject Of The Order Is The Modernization Of The Water Treatment Plant In Kowalewko. The Scope Of The Order Includes: 1) Modernization Of The Hydrophore Set With Piping And The Control And Automation System By Replacing It. Necessary Capacity Of The Pumping Station - Minimum 90 M3/H, Multifunctional Pump And Hydrophore Set With Vertical Multi-Stage Centrifugal Pumps For Domestic And Household Needs And A Single-Stage Vertical Spiral Pump For Filter Rinsing. Flush Pump Mounted On One Common Frame Together With The Hydrophore Set. Technical Parameters Of Network Pumps In The Hydrophore Set: - Vertical Multi-Stage Centrifugal Pumps (Each Equipped With An Inverter), - Suction And Discharge Ports At The Same Level, - Pump Head And Base Made Of Cast Iron Or Stainless Steel, Other Wetted Parts Made Of Stainless Steel, - Cassette Shaft Seal, - Power Transmission Through Split Clutch Impeller Made Of Asi 304 Stainless Steel, Dn65 Flange Suction And Discharge Connections, Three-Phase Asynchronous Motor, Fan-Cooled, Mounted On Feet. Energy Efficiency Class: Ie4, Motor Efficiency At Maximum Load: Min. 90%, Each Pump Is Equipped With An Inverter To Maintain Constant Pressure At The Outlet Of The Hydrophore Set, Parameters Of The Spiral Pump For Rinsing The Filters: Single-Stage Spiral Pump, Suction And Discharge Ports At The Same Level, Head, Pump Body Made Of Cast Iron Or Stainless Steel, Pump Housing Made Of Engjl 250 Or Stainless Steel, Seal Shaft In Accordance With Din En 12756. Impeller Made Of Engjl-200 Or Stainless Steel, Suction And Discharge Connections Dn100 Flanged, Three-Phase Asynchronous Motor, Fan-Cooled, Energy Efficiency Class: Ie4, Motor Efficiency At Maximum Load: Min. 89%. 2) Modernization Of Submersible Pumps With Riser Pipes By Replacing Them. The Efficiency Of The Pump In Well No. 1 And No. 2 Will Be: Q = 59.5-60.0 M3/H, With H = 31.4 - 30.0 M. Technical Parameters Of Submersible Pumps: Submersible Submersible Pumps, All Steel Elements Made Of Stainless Steel En1.4301, Aisi 304, Impeller Made Of Stainless Steel En1.4301, Aisi 304, Motor With Sand Blower Made Of Stainless Steel Din W.-No. 1.4301, Flange Connection Dn100, Mechanical Shaft Seal, Direct Engine Start, Engine Efficiency At Maximum Load: Min. 91% Energy Efficiency Index (Mei): ≥ 0.60 Pumps In Wells Should Be Installed On Flanged Pressure Pipelines Dn 100. Double Galvanized Steel Pipelines With Pn10 Flanged Connections - Length: 2 X 20 M.3) Modernization Of Water Aeration Compressors By Replacing Them. Technical Parameters Of The Air Compressor: − Compressor Capacity Of At Least 11 M3/H, − Nominal Operating Pressure Of 8 Bar, − Capacity Of Min. 180 L/Min, − Tank Capacity Of Min. 270L, − Compressor Unit Based On An Oil-Free Compressor, − Three-Phase Electric Motor Of Minimum Efficiency Class Ie3, − Engine Efficiency At Rated Load: Min. 86%, An Additional Compressor Is Designed As A Reserve (Also To Be Replaced).2. The Description Of The Subject Of
|
