Adverse or Hazardous Properties () (P) Required range 4 (minmax) Toxic 2 Solids Recovery (P) Corrosive Minimum required Abrasive 3 Centrate Solids Content (ppm ss) (P) Odorous Maximum allowable Other (specify) 4 Sludge Throughput (m3/hr) (P/S) 5 Flocculant Details (P/S) Required range (minmax) (P) Maximum achievable Details of Other Chemicals Added to the (S) Feed Sludge (P) 6 5 Flocculant Dosing Rate (kg/tds) Maximum required (S) 7 Other Sludge/Flocculant Properties (If Known) (P) 5.4 Noise and Vibration 5.4.1 Noise 5.0 PERFORMANCE SPECIFICATION 1 Expected Noise Levels 5.1 General (dB (A) at 1 m) (S) 2 Acoustic Hoods/ 1 Design Life (Years) (P) Cladding Required (Y/N) (S) 5.2 Duty, Operating Speeds and Absorbed Power 5.4.2 Vibration 1 Duty/Utilisation (P) 2 1st Critical Speed (% of Hrs per day Maximum Bowl Speed) (>130*) (P/S) Days per week 2 Method of Bowl Speed Variation () (P/S) 5.5 Life Cycle Costs Fixed speed motor with variable drive belt pulley 5.5.1 Energy Consumption ratios Variable speed motor 1 Specific Energy Consumption (P/S) Hydraulic motor Process Conditions (P) Other (specify) Sludge throughput 2 Maximum Bowl Speed (m3/hr) (rpm) (P/S) Feed sludge solids 3 Method of Scroll Conveyor Speed content (wt %) Variation () (P/S) Thickened/de-watered Fixed speed motor with sludge solids content variable drive belt pulley (wt %) ratios Energy Consumption Variable speed motor (kWhrs/tds) (S) Hydraulic motor Other (specify) 5.5.2 Service Lives and Costs of Components 4 Bowl/Scroll Differential 1 Expected Service Lives of Components Speed Range (rpm) (S) 5 Maximum Absorbed Component (specify) (P) Life (x 103 hrs) (S) Power (kW) (S) 5.3 Process Performance 1 Thickened/De-watered Sludge Solids Content (wt %) (P)
4 Adverse or Hazardous Properties () (P) Toxic Corrosive Abrasive Odorous Other (specify) 5 Flocculant Details (P/S) 6 Details of Other Chemicals Added to the Feed Sludge (P) 7 Other Sludge/Flocculant Properties (If Known) (P) 5.0 PERFORMANCE SPECIFICATION 5.1 General 1 Design Life (Years) (P) 5.2 Duty, Operating Speeds and Absorbed Power 1 Duty/Utilisation (P) Hrs per day Days per week 2 Method of Bowl Speed Variation () (P/S) Fixed speed motor with variable drive belt pulley ratios Variable speed motor Hydraulic motor Other (specify) 2 Maximum Bowl Speed (rpm) (P/S) 3 Method of Scroll Conveyor Speed Variation () (P/S) Fixed speed motor with variable drive belt pulley ratios Variable speed motor Hydraulic motor Other (specify) 4 Bowl/Scroll Differential Speed Range (rpm) (S) 5 Maximum Absorbed Power (kW) (S) 5.3 Process Performance 1 Thickened/De-watered Sludge Solids Content (wt %) (P) Required range (minmax) 2 Solids Recovery (P) Minimum required 3 Centrate Solids Content (ppm ss) (P) Maximum allowable 4 Sludge Throughput (m3/hr) (P/S) Required range (minmax) (P) Maximum achievable (S) 5 Flocculant Dosing Rate (kg/tds) Maximum required (S) 5.4 Noise and Vibration 5.4.1 Noise 1 Expected Noise Levels (dB (A) at 1 m) (S) 2 Acoustic Hoods/ Cladding Required (Y/N) (S) 5.4.2 Vibration 2 1st Critical Speed (% of Maximum Bowl Speed) (>130*) (P/S) 5.5 Life Cycle Costs 5.5.1 Energy Consumption 1 Specific Energy Consumption (P/S) Process Conditions (P) Sludge throughput (m3/hr) Feed sludge solids content (wt %) Thickened/de-watered sludge solids content (wt %) Energy Consumption (kWhrs/tds) (S) 5.5.2 Service Lives and Costs of Components 1 Expected Service Lives of Components Component (specify) (P) Life (x 103 hrs) (S)
701i4datasheets.docx