Stone Food Machinery Ltd 14 North Main Street Wexford IRELAND E-mail: info@stonefoodmachinery.com WWW.STONEFOODMACHINERY.COM Tel- +353 53 9147800 Copyright 2008 1
Overview of Volute Dewatering Press Flow Control Tank Flocculating Tank Volute Cylinder Rinsing Shower Polymer Tank Bio Reactor Tank or Sludge Storage Tank Filtrate Sludge Cake Copyright 2008 2
Volute Structure Clog-free Screw Press Moving Rings are pushed up and down by Screw Moving Rings clean out the gaps Filtrate goes through the gaps smoothly Moving Ring Fixed Ring Copyright 2008 3
ES-100 model Volute Cylinders ES-200 model Wide The pitch of the screw Narrow Copyright 2008 4
Technological advantages Clog-free structure Very little water use No problem with oil-bearing sludges (DAF sludge) Stable operation 24-hour unattended operation is possible Easy maintenance Built-in thickening zone Inlet solids content 0.2% or higher Outlet solids content 15-25% Low operational cost Electricity as low as 0.2kWh Very small footprint Low noise & vibration Wide product line-up ES-131 model Copyright 2008 5
Quick Facts More than 1330 units installed worldwide 980 units in Japan 350 units in more than 26 countries Among the above, 10% are installed in Pig Farms and another 15% in Slaughterhouses. Other applications: Municipal WWTP, WTP, septic tanks, food processing plants, chemical plants, electronics plants, commercial buildings, etc. Copyright 2008 6
Wastewater From Stockyard JAPANESE-Livestock Waste Law Pig farm larger than 50 Cattle farm larger than 200 Horse farm larger than 500 + more than 50 /day of wastewater Item ph BOD COD SS Phosphorus Nitrogen Standard 5.8-8.6 160mg/L 160mg/L 200mg/L 16mg/L 120mg/L Copyright 2008 7
Where Volute is Applied Pig houses Raw manure tank Screen Equalization tank Sequencing Batch Reactor Tank Waste Activated Sludge Slurry tank (raw manure) Sludge storage tank Tertiary treatment Copyright 2008 8
Reference in Pig Farm A Volute Mode: ES-302 Sludge: Waste activated sludge Inlet solids: 4.9% Outlet solids: 26.2% Flow Rate: 2.1m3/hr Throughput: 94.6kg-DS Solids capture rate: 92% Polymer adding rate: 0.8% of 1 kg-ds Copyright 2008 9
Reference in Pig Farm B Volute Mode: ES-132 Sludge: Waste activated sludge Inlet solids: 0.84% Outlet solids: 22.2% Flow Rate: 1.45m3/hr Throughput: 11.2kg-DS Solids capture rate: 92% Polymer adding rate: 1% of 1 kg-ds Copyright 2008 10
Reference in Pig Farm C Volute Mode: ES-303 Sludge: Waste activated sludge + Raw manure Inlet solids: 2.25% Outlet solids: 30% Flow Rate: 9.5m3/hr Throughput: 192kg-DS Solids capture rate: 90% Polymer adding rate: 0.54% of 1 kg-ds Copyright 2008 11
Why farmers choose Volute 1. Very easy operation and maintenance Easy operation and maintenance saves a lot of time for farmers. 2. Very little water use Many of the farms in Japan are located in an isolated place where water supply is very limited. 3. Small footprint Compact design of Volute fits in most existing facilities without building expansion. 4. Reliability & Repeatability Copyright 2008 12
Product Lineup From 1kg-DS/h to 270kg-DS/h Choose from 10 different sizes 1kg-DS/h 2 5kg-DS/h 4 9kg-DS/h 8 18kg-DS/h 12 30kg-DS/h 18 50kg-DS/h 36 100kg-DS/h 54 150kg-DS/h 120 180kg-DS/h 120 180kg-DS/h Copyright 2008 13
Our Our Test Test Machine Machine is is always always available available Copyright 2008 14
Thank you for your time and attention. If you would like to use our Test Unit on your Sludge Please contact us STONE FOOD MACHINERY LTD 14 North Main Street Wexford, IRELAND Tel: +353 53 91 47800 E-mail: info@stonefoodmachinery.com Eoin@stonefoodmachinery.com Valstone@stonefoodmachinery.com Mobiles- Eoin +353 86 3836600 Val +353 86 2570492 Web: www.stonefoodmachinery.com Copyright 2008 15