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EVAPCO, Inc. Taking Quality and Service to a Higher Level . . .
- Short History of Evapco  - Product Overview  - Open Cooling Towers - Features & Benefits  - Closed Circuit Coolers EVAPC...
<ul><li>Founded in 1976 - Baltimore, Maryland </li></ul><ul><ul><li>16 Facilities in 8 Countries </li></ul></ul><ul><ul><l...
EVAPCO WORLDWIDE World Headquarters/R&D Center Manufacturing Facilities Johannesburg, South Africa Cairo, Egypt Milan, Ita...
EVAPCO ,  Inc . World Headquarters & Research Center
Evaporative Condensers and  Closed Circuit Coolers
Open Cooling Towers
Extra-Pak TM  Ice Coils – for Thermal Energy Systems
Recirculator Packages
MRP Recirculator Systems <ul><li>Matrix Microprocessor Control </li></ul><ul><li>Bypass Flow Control </li></ul><ul><li>Dua...
Evaporators
Custom Coils
Critical Process Air Units
Field-Erected Cooling Towers
Pulse ~Pure TM   Water Treatment
Induced Draft Counterflow Cooling Towers A dvanced  T echnology
Induced Draft – Counterflow Hot Saturated Discharge Air Hot Water In Cold Water Out Cool Dry Entering Air (All Sides) Prin...
Features & Benefits INDUCED DRAFT  COUNTERFLOW PRODUCTS
Design Advantages & Signature Features <ul><li>Most Efficient Heat Transfer </li></ul><ul><li>Optimal Layouts & Piping Arr...
Optimal Fill Location Completely encased in steel Protected from direct exposure AT Induced Draft Counterflow Cooling Towers
<ul><li>EVAPAK ®  Counterflow Fill: </li></ul><ul><li>Even Temperature Gradients through Fill Cross-section </li></ul><ul>...
<ul><li>EVAPAK ®  Fill   </li></ul><ul><ul><li>Removable, bonded block construction </li></ul></ul><ul><ul><li>Low pressur...
Induced Draft – Crossflow (Competitors Product) Hot Saturated Discharge Air Hot Water In Cold Water Out Cool Dry Entering ...
<ul><li>Crossflow Fill: </li></ul><ul><li>Temperature Gradients Not Uniform Across Fill </li></ul><ul><li>Some Water Not C...
<ul><li>EVAPCO Counterflow   20,000 CFM per 100 Tons   (2.1 m  3 /s per 100 kw) </li></ul><ul><li>BRAND X Crossflow   30,0...
Design Advantages – Layout and Op. Weight AT Induced Draft Counterflow Cooling Towers Crossflow 35% LESS TOWER AREA Compar...
Plan Area Net Free Area Crossflow More Tower Area + More Air = Larger Plan Area Design Advantages – Layout AT Induced Draf...
<ul><li>Counterflow Fill: </li></ul><ul><li>Temperature Gradients 45°F - 32°F = 13°F Safety </li></ul><ul><li>Optimum Fill...
<ul><li>Crossflow Fill: </li></ul><ul><li>Temperature Gradients 34°F - 32°F = Greater Probability of Ice Formation </li></...
Design Advantages – Winter Operation <ul><li>Exposed Crossflow Fill: </li></ul><ul><li>Ice Formation </li></ul><ul><li>Ice...
<ul><li>Air Inlet Louver Screens  </li></ul><ul><ul><li>Two Pass Inlet Louver </li></ul></ul><ul><ul><li>Basin Enclosed - ...
Signature Feature – Basin Area Access AT Induced Draft Counterflow Cooling Towers <ul><li>Easily Removable Inlet Louvers f...
<ul><li>Drift Rate Less Than 0.001% of Recirculated Water Rate </li></ul><ul><li>Block Sunlight from shining directly in t...
<ul><li>Pressurized Water Distribution  </li></ul><ul><li>Self Balancing – No Valves </li></ul><ul><li>Single Inlet Piping...
Simplified Maintenance – Water Distribution System AT Induced Draft Counterflow Cooling Towers <ul><li>No Service Necessar...
Simplified Maintenance – Water Distribution System AT Induced Draft Counterflow Cooling Towers <ul><li>Removable Clean Out...
<ul><li>G235 Galvanized Steel  </li></ul><ul><li>PVC Distribution System </li></ul><ul><li>PVC Inlet Louvers </li></ul><ul...
<ul><li>Stainless Steel Lower Section </li></ul><ul><li>Type 304 and Type 316 Stainless Steel  </li></ul><ul><li>100% Corr...
USS Induced Draft Counterflow Cooling Towers Worldwide Leader in Evaporative Cooling Products <ul><li>Type 304 Stainless S...
USS Induced Draft Counterflow Cooling Towers Worldwide Leader in Evaporative Cooling Products Superior Corrosion Resistanc...
Standard on all  AT Models AT Induced Draft Counterflow Cooling Towers Warranty, Guarantee, and Certification Standard on ...
AT Induced Draft Counterflow Cooling Towers Warranty, Guarantee, and Certification Standard on all AT Models
<ul><li>Externally Mounted Totally Enclosed Motor </li></ul><ul><li>Power-Band Adjustment Performed from Outside </li></ul...
10 ft. (3.0m), 12 ft. (3.7m) and 14 ft. (4.3m) Wide Models Simplified Maintenance – Mechanical Drive System AT Induced Dra...
<ul><li>Fan Bearing Lubrication from Outside the Unit </li></ul>Simplified Maintenance – Mechanical Drive System AT Induce...
<ul><li>10 ft., 12 ft. and 14 ft. Wide Cells have Swing Out Motor Base for Easy Service </li></ul>Simplified Maintenance –...
<ul><li>Extruded Aluminum Fan </li></ul><ul><li>Aluminum Alloy Sheaves </li></ul><ul><li>Heavy Duty Pillow Block Bearings ...
<ul><li>EVAPAK ®  Fill Acts As Working Platform </li></ul><ul><li>Provides Safe Work Area for Maintaining  Mechanical Equi...
Simplified Maintenance – Optional Accessories AT Induced Draft Counterflow Cooling Towers <ul><li>Sloped Ladders </li></ul>
Simplified Maintenance – Optional Accessories AT Induced Draft Counterflow Cooling Towers <ul><li>Motor Davits </li></ul><...
Simplified Maintenance –Basin Area Access AT Induced Draft Counterflow Cooling Towers <ul><li>Clean Pan Sloped Basin Desig...
<ul><li>Stainless Steel Basin Strainers Standard </li></ul>Simplified Maintenance –Basin Area Access AT Induced Draft Coun...
A dvanced  T echnology LOW SOUND SOLUTIONS SUPER Low Sound Fan
SUPER Low Sound Fan – 9 to 15 dB(A) Reduction! 9 to 15 dB(A) Reduction! A dvanced  T echnology LOW SOUND SOLUTIONS
EVAPCO, Inc. Induced Draft  Closed Circuit Coolers
ATW -  INDUCED DRAFT COUNTERFLOW Hot Water In Hot Saturated Discharge Air Cool Dry Entering Air
CLOSED CIRCUIT COOLERS <ul><li>Closed System </li></ul><ul><li>- Will not foul heat exchanger surfaces </li></ul><ul><li>-...
CLOSED CIRCUIT COOLERS <ul><li>Higher Fluid Temperature Limitations </li></ul><ul><li>- Less likely to damage components <...
EXCLUSIVE THERMAL-PAK ®  COIL Patent Granted 1988 No. 4,755,331
<ul><li>Lowers Air Pressure Drop </li></ul><ul><li>Increased Spray Water Flow </li></ul><ul><li>Maximize Tube Surface Area...
EXCLUSIVE THERMAL-PAK® COIL <ul><li>Galvanized (standard) </li></ul><ul><li>Copper </li></ul><ul><li>304 Stainless steel <...
ATW Enhanced Dry Performance <ul><li>Cooling capacity in the event of water failure </li></ul><ul><li>Save on water usage ...
ATW –  3 Meter Wide Models New Ideal for Exact Replacement of Forced Draft
Containerized ATW New
Containerized ATW New Ships in Two Sections Fan Section and Basin Coil and Casing
Containerized ATW New Sections fit into a Shipping Container
ESWA CLOSED CIRCUIT COOLERS –  Superior Design, Superior Unit   <ul><li>Contains both Fill and Coil </li></ul><ul><li>184 ...
 
<ul><li>Technology </li></ul>ESWA Sensi-Coil –  Superior Design, Superior Unit
Thermal-Pak ® Coil Tube Spacing Sensi-Coil TM  Tube Spacing Technology –  Superior Design, Superior Unit   Reduced Tube Sp...
<ul><li>Low Energy… </li></ul><ul><li>30 to 50% less than other Induced draft </li></ul>Major Energy Savings Low Sound… be...
Decreased Horsepower for the SAME tonnage Total Fan Energy (Hp) Based on 3gpm per ton, 95F/85F at 78F wetbulb. –  Superior...
Based on 34% annual operation (3,000 fan hours per year) Electric rate = $0.09/KWHR Fan motor efficiency = 90% –  Superior...
Based on 3gpm per ton, 95F/85F at 78F wetbulb. –  Superior Design, Superior Unit   Decreased Sound Levels from Top and Sid...
Based on 3gpm per ton, 95F/85F at 78F wetbulb. –  Superior Design, Superior Unit   Decreased Sound Levels from Top and Sid...
<ul><li>No evaporation on coil – reduces scale </li></ul>–  Superior Design, Superior Unit   ESWA Features and Benefits
<ul><li>Totally enclosed coil protected from heat loss </li></ul>ESWA Features and Benefits –  Superior Design, Superior U...
<ul><li>Easy coil access </li></ul>The Most Accessible Coil in the Industry –  Superior Design, Superior Unit   ESWA Featu...
<ul><li>NEW 14’x24’ Models </li></ul>–  Superior Design, Superior Unit   ESWA Features and Benefits New
EVAPCO, Inc. Water and Energy Conservation System
Complete Dry Cooler Section
Complete Wet Section Typical Induced Draft Cooler
The  Control System: <ul><li>Fan Operation  </li></ul><ul><li>Pump Operation </li></ul><ul><li>Switchover Point </li></ul>...
Stage 1 - Dry Mode Only
Stage 2 - Dry Mode Both Cells Running Dry
Stage 3 – Wet/Dry Mode
Stage 4 – Wet Mode Only
Profiles of the WDW versus an Induced Draft Cooler Water Usage m 3
Pulse ~Pure TM   Water Treatment <ul><li>Non-Chemical Water Treatment with Pulsed Electric Fields </li></ul>
Pulse ~Pure TM   Water Treatment Corrosion Scale Biological
Pulse ~Pure TM   Water Treatment <ul><li>Scaling – Seed crystals. </li></ul><ul><li>Biological – Cell disruption and agglo...
Pulse ~Pure TM   Water Treatment <ul><li>Environmental –  Pulse~ Pure can eliminate chemicals from the job site and conser...
EVAPCO, INC. Taking Quality and Service to a Higher Level . . .
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Evapco

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Evapco

  1. 1. EVAPCO, Inc. Taking Quality and Service to a Higher Level . . .
  2. 2. - Short History of Evapco - Product Overview - Open Cooling Towers - Features & Benefits - Closed Circuit Coolers EVAPCO, Inc.
  3. 3. <ul><li>Founded in 1976 - Baltimore, Maryland </li></ul><ul><ul><li>16 Facilities in 8 Countries </li></ul></ul><ul><ul><li>160 Offices in 42 Countries </li></ul></ul><ul><li>Employee Owned Company </li></ul><ul><ul><li>Continuous Product Development Based on Innovation and Market Drivers </li></ul></ul>EVAPCO, Inc.
  4. 4. EVAPCO WORLDWIDE World Headquarters/R&D Center Manufacturing Facilities Johannesburg, South Africa Cairo, Egypt Milan, Italy Kingsgrove, Australia Shanghai, China Madera, CA Bryan, TX Taneytown, MD Greenup, IL Sondrio, Italy Beijing, China Tongeren, Belgium Lake View, IA Ramseur, NC Lenexa, KS Lake Oswego, OR
  5. 5. EVAPCO , Inc . World Headquarters & Research Center
  6. 6. Evaporative Condensers and Closed Circuit Coolers
  7. 7. Open Cooling Towers
  8. 8. Extra-Pak TM Ice Coils – for Thermal Energy Systems
  9. 9. Recirculator Packages
  10. 10. MRP Recirculator Systems <ul><li>Matrix Microprocessor Control </li></ul><ul><li>Bypass Flow Control </li></ul><ul><li>Dual Double Wall Canned Pump </li></ul>
  11. 11. Evaporators
  12. 12. Custom Coils
  13. 13. Critical Process Air Units
  14. 14. Field-Erected Cooling Towers
  15. 15. Pulse ~Pure TM Water Treatment
  16. 16. Induced Draft Counterflow Cooling Towers A dvanced T echnology
  17. 17. Induced Draft – Counterflow Hot Saturated Discharge Air Hot Water In Cold Water Out Cool Dry Entering Air (All Sides) Principle of Operation Fill Pack = Heat Transfer Media
  18. 18. Features & Benefits INDUCED DRAFT COUNTERFLOW PRODUCTS
  19. 19. Design Advantages & Signature Features <ul><li>Most Efficient Heat Transfer </li></ul><ul><li>Optimal Layouts & Piping Arrangement </li></ul><ul><li>Advanced Materials of Construction </li></ul><ul><li>Superior Warranty, Guarantee and Certification </li></ul><ul><li>Easy Maintenance </li></ul><ul><li>Super Low Sound Technology </li></ul>AT Induced Draft Counterflow Cooling Towers
  20. 20. Optimal Fill Location Completely encased in steel Protected from direct exposure AT Induced Draft Counterflow Cooling Towers
  21. 21. <ul><li>EVAPAK ® Counterflow Fill: </li></ul><ul><li>Even Temperature Gradients through Fill Cross-section </li></ul><ul><li>Cools precisely to design temperature </li></ul><ul><li>Requires Less Air </li></ul>Design Advantages – Most Efficient Heat Transfer 95 °F Entering Water Temperature Entering Air at 78 °F Wet-Bulb Temperature 85 °F Net Outlet Water Temperature 93 °F 91 °F 88 °F 86 °F AT Induced Draft Counterflow Cooling Towers Water Temp Isotherms Cool Air Hot Water
  22. 22. <ul><li>EVAPAK ® Fill </li></ul><ul><ul><li>Removable, bonded block construction </li></ul></ul><ul><ul><li>Low pressure drop </li></ul></ul><ul><ul><li>Bottom supported </li></ul></ul><ul><ul><li>Doubles as a working platform </li></ul></ul>Signature Feature – High Efficiency Fill AT Induced Draft Counterflow Cooling Towers
  23. 23. Induced Draft – Crossflow (Competitors Product) Hot Saturated Discharge Air Hot Water In Cold Water Out Cool Dry Entering Air (Two Sides) Principle of Operation Hot Water In Cool Air Hot Water
  24. 24. <ul><li>Crossflow Fill: </li></ul><ul><li>Temperature Gradients Not Uniform Across Fill </li></ul><ul><li>Some Water Not Cooled to Design Temperature </li></ul><ul><li>Easily clogged, difficult to replace </li></ul><ul><li>Inefficient </li></ul>Comparison – Crossflow Heat Transfer 95° F Entering Water Temperature 94° F 92° F 90° F 88° F 85° F 82° F 80° F Entering Air at 78° F Wet-Bulb Temperature 85° F Net Outlet Water Temperature Water Temp Isotherms
  25. 25. <ul><li>EVAPCO Counterflow 20,000 CFM per 100 Tons (2.1 m 3 /s per 100 kw) </li></ul><ul><li>BRAND X Crossflow 30,000 CFM per 100 Tons (3.2 m 3 /s per 100 kw) </li></ul><ul><li>EVAPCO Induced Draft Products . . . Less Air </li></ul>Design Advantages – Most Efficient Heat Transfer AT Induced Draft Counterflow Cooling Towers
  26. 26. Design Advantages – Layout and Op. Weight AT Induced Draft Counterflow Cooling Towers Crossflow 35% LESS TOWER AREA Compared to Equivalent Capacity Crossflow Tower
  27. 27. Plan Area Net Free Area Crossflow More Tower Area + More Air = Larger Plan Area Design Advantages – Layout AT Induced Draft Counterflow Cooling Towers Less Tower Area + Less Air = Smaller Plan Area Net Free Area Counterflow Tower 360° Air Intake End Air Intake
  28. 28. <ul><li>Counterflow Fill: </li></ul><ul><li>Temperature Gradients 45°F - 32°F = 13°F Safety </li></ul><ul><li>Optimum Fill Location </li></ul><ul><li>Unique Inlet Louver Design </li></ul>Design Advantages – Winter Operation AT Induced Draft Counterflow Cooling Towers 65° F Entering Water Temperature Entering Air at 10° F Wet-Bulb Temperature 45° F Net Outlet Water Temperature 60°F 55°F 50°F 45°F Water Temp Isotherms
  29. 29. <ul><li>Crossflow Fill: </li></ul><ul><li>Temperature Gradients 34°F - 32°F = Greater Probability of Ice Formation </li></ul><ul><li>Ice Builds on Louvers & Fill </li></ul><ul><li>Prevailing Wind Problem </li></ul>Design Advantages – Winter Operation 65° F Entering Water Temperature 64° F 60° F 55° F 50° F 45° F 40° F 34° F Entering Air at 10° F Wet-Bulb Temperature 45° F Net Outlet Water Temperature Water Temp Isotherms
  30. 30. Design Advantages – Winter Operation <ul><li>Exposed Crossflow Fill: </li></ul><ul><li>Ice Formation </li></ul><ul><li>Ice Builds on Louvers & Fill </li></ul><ul><li>Prevailing Wind Problem </li></ul><ul><li>Recirculation Problem </li></ul>
  31. 31. <ul><li>Air Inlet Louver Screens </li></ul><ul><ul><li>Two Pass Inlet Louver </li></ul></ul><ul><ul><li>Basin Enclosed - Not exposed to Wind & Sun </li></ul></ul><ul><ul><li>Angled Cross section “Sight-tight” design (patent pending) </li></ul></ul>Sunlight Splashout Debris Air Intake Signature Features – WST Inlet Louver Design AT Induced Draft Counterflow Cooling Towers
  32. 32. Signature Feature – Basin Area Access AT Induced Draft Counterflow Cooling Towers <ul><li>Easily Removable Inlet Louvers for Full 360° Basin Access </li></ul><ul><li>Service Can Be Performed from Outside Unit </li></ul><ul><ul><li>Float Valve Adjustment </li></ul></ul><ul><ul><li>Remove and Clean Strainers </li></ul></ul><ul><ul><li>Clean Pan Bottom </li></ul></ul>
  33. 33. <ul><li>Drift Rate Less Than 0.001% of Recirculated Water Rate </li></ul><ul><li>Block Sunlight from shining directly in the cold water basin </li></ul><ul><li>Significantly Better Than Crossflow Drift Rate of 0.005% </li></ul>EVAPCO High Efficiency Drift Eliminators Signature Features – Most Efficient Drift Eliminators AT Induced Draft Counterflow Cooling Towers
  34. 34. <ul><li>Pressurized Water Distribution </li></ul><ul><li>Self Balancing – No Valves </li></ul><ul><li>Single Inlet Piping </li></ul><ul><li>No Hot Water Distribution Pans </li></ul>Design Advantages – Water Distribution System AT Induced Draft Counterflow Cooling Towers
  35. 35. Simplified Maintenance – Water Distribution System AT Induced Draft Counterflow Cooling Towers <ul><li>No Service Necessary from the Fan Deck </li></ul><ul><li>Fill Provides Safe Work Area for Maintaining Water Distribution System </li></ul>
  36. 36. Simplified Maintenance – Water Distribution System AT Induced Draft Counterflow Cooling Towers <ul><li>Removable Clean Out Plug for Water Distribution System </li></ul><ul><li>EvapJet Nozzles Prevent Clogging and Maximize Spray Area </li></ul>
  37. 37. <ul><li>G235 Galvanized Steel </li></ul><ul><li>PVC Distribution System </li></ul><ul><li>PVC Inlet Louvers </li></ul><ul><li>PVC Drift Eliminators </li></ul><ul><li>Stainless Steel Strainers </li></ul>EVAPCO Corrosion Protection System Signature Features – Materials of Construction AT Induced Draft Counterflow Cooling Towers
  38. 38. <ul><li>Stainless Steel Lower Section </li></ul><ul><li>Type 304 and Type 316 Stainless Steel </li></ul><ul><li>100% Corrosion Resistant Model USS. </li></ul>Advanced Material Options Signature Features – Materials of Construction AT Induced Draft Counterflow Cooling Towers Stainless Steel
  39. 39. USS Induced Draft Counterflow Cooling Towers Worldwide Leader in Evaporative Cooling Products <ul><li>Type 304 Stainless Steel Casing and Fan Deck </li></ul><ul><li>Type 316 Stainless Steel Water Touch Basin </li></ul>Standard Materials 316 SS 304 SS Signature Features – Materials of Construction MADE IN USA
  40. 40. USS Induced Draft Counterflow Cooling Towers Worldwide Leader in Evaporative Cooling Products Superior Corrosion Resistance through Molybdenum! MADE IN USA
  41. 41. Standard on all AT Models AT Induced Draft Counterflow Cooling Towers Warranty, Guarantee, and Certification Standard on AT with Stainless Steel Lower Section
  42. 42. AT Induced Draft Counterflow Cooling Towers Warranty, Guarantee, and Certification Standard on all AT Models
  43. 43. <ul><li>Externally Mounted Totally Enclosed Motor </li></ul><ul><li>Power-Band Adjustment Performed from Outside </li></ul><ul><li>Bearing Lubrication Lines Extended to Outside </li></ul>8.5 Ft. (2.5 m) Wide Models Simplified Maintenance – Mechanical Drive System AT Induced Draft Counterflow Cooling Towers
  44. 44. 10 ft. (3.0m), 12 ft. (3.7m) and 14 ft. (4.3m) Wide Models Simplified Maintenance – Mechanical Drive System AT Induced Draft Counterflow Cooling Towers <ul><li>Easy Access Fan Belt Adjustment </li></ul>
  45. 45. <ul><li>Fan Bearing Lubrication from Outside the Unit </li></ul>Simplified Maintenance – Mechanical Drive System AT Induced Draft Counterflow Cooling Towers 10 ft. (3.0m), 12 ft. (3.7m) and 14 ft. (4.3m) Wide Models
  46. 46. <ul><li>10 ft., 12 ft. and 14 ft. Wide Cells have Swing Out Motor Base for Easy Service </li></ul>Simplified Maintenance – Mechanical Drive System AT Induced Draft Counterflow Cooling Towers 10 ft. (3.0m), 12 ft. (3.7m) and 14 ft. (4.3m) Wide Models
  47. 47. <ul><li>Extruded Aluminum Fan </li></ul><ul><li>Aluminum Alloy Sheaves </li></ul><ul><li>Heavy Duty Pillow Block Bearings (Rated L10 Life of 75,000 - 135,000 Hrs) </li></ul><ul><li>Polished Steel Shaft </li></ul><ul><li>Corrosion Protected Bushings </li></ul><ul><li>Totally Enclosed Fan Motor </li></ul>Components Ideal for Severe Duty Application Simplified Maintenance – Mechanical Drive System AT Induced Draft Counterflow Cooling Towers
  48. 48. <ul><li>EVAPAK ® Fill Acts As Working Platform </li></ul><ul><li>Provides Safe Work Area for Maintaining Mechanical Equipment </li></ul><ul><li>No Fan Deck Handrails Required! </li></ul>The Most Accessible Mechanical System in the Industry Simplified Maintenance – Drive System Access AT Induced Draft Counterflow Cooling Towers
  49. 49. Simplified Maintenance – Optional Accessories AT Induced Draft Counterflow Cooling Towers <ul><li>Sloped Ladders </li></ul>
  50. 50. Simplified Maintenance – Optional Accessories AT Induced Draft Counterflow Cooling Towers <ul><li>Motor Davits </li></ul><ul><li>External Service Platforms </li></ul><ul><li>NEW Basin Level Platform </li></ul>
  51. 51. Simplified Maintenance –Basin Area Access AT Induced Draft Counterflow Cooling Towers <ul><li>Clean Pan Sloped Basin Design </li></ul>
  52. 52. <ul><li>Stainless Steel Basin Strainers Standard </li></ul>Simplified Maintenance –Basin Area Access AT Induced Draft Counterflow Cooling Towers
  53. 53. A dvanced T echnology LOW SOUND SOLUTIONS SUPER Low Sound Fan
  54. 54. SUPER Low Sound Fan – 9 to 15 dB(A) Reduction! 9 to 15 dB(A) Reduction! A dvanced T echnology LOW SOUND SOLUTIONS
  55. 55. EVAPCO, Inc. Induced Draft Closed Circuit Coolers
  56. 56. ATW - INDUCED DRAFT COUNTERFLOW Hot Water In Hot Saturated Discharge Air Cool Dry Entering Air
  57. 57. CLOSED CIRCUIT COOLERS <ul><li>Closed System </li></ul><ul><li>- Will not foul heat exchanger surfaces </li></ul><ul><li>- Will not contaminate process cooling equipment </li></ul><ul><li>- Reduced maintenance costs </li></ul><ul><li>Can Cool MANY Fluids </li></ul><ul><li>- Water </li></ul><ul><li>- Water and an ethylene or propylene glycol solution </li></ul><ul><li>- Oils or hydraulic fluids </li></ul>APPLICATION ADVANTAGES:
  58. 58. CLOSED CIRCUIT COOLERS <ul><li>Higher Fluid Temperature Limitations </li></ul><ul><li>- Less likely to damage components </li></ul><ul><li>- Maximum fluid temperature of 170 o F </li></ul><ul><li>Dry Operation Option (except ESWA) </li></ul><ul><li>- Utilize bare coil </li></ul><ul><li>- Utilize coils with extended surface (spiral fins) </li></ul>APPLICATION ADVANTAGES (Cont.):
  59. 59. EXCLUSIVE THERMAL-PAK ® COIL Patent Granted 1988 No. 4,755,331
  60. 60. <ul><li>Lowers Air Pressure Drop </li></ul><ul><li>Increased Spray Water Flow </li></ul><ul><li>Maximize Tube Surface Area </li></ul>EVAPCO’S EXCLUSIVE THERMAL-PAK ® COIL Thermal-Pak Coil Benefits:
  61. 61. EXCLUSIVE THERMAL-PAK® COIL <ul><li>Galvanized (standard) </li></ul><ul><li>Copper </li></ul><ul><li>304 Stainless steel </li></ul><ul><li>316 Stainless steel </li></ul>Coil Types:
  62. 62. ATW Enhanced Dry Performance <ul><li>Cooling capacity in the event of water failure </li></ul><ul><li>Save on water usage </li></ul><ul><li>Cooling capacity with water off at lower ambient temperatures </li></ul><ul><li>Plume reduction </li></ul>Dry Cooling Benefits:
  63. 63. ATW – 3 Meter Wide Models New Ideal for Exact Replacement of Forced Draft
  64. 64. Containerized ATW New
  65. 65. Containerized ATW New Ships in Two Sections Fan Section and Basin Coil and Casing
  66. 66. Containerized ATW New Sections fit into a Shipping Container
  67. 67. ESWA CLOSED CIRCUIT COOLERS – Superior Design, Superior Unit <ul><li>Contains both Fill and Coil </li></ul><ul><li>184 Models </li></ul><ul><li>5 Box Sizes </li></ul><ul><li>Capacity: 75 to 441 tons (225 to 1,323 gpm) </li></ul>ESWA Models:
  68. 69. <ul><li>Technology </li></ul>ESWA Sensi-Coil – Superior Design, Superior Unit
  69. 70. Thermal-Pak ® Coil Tube Spacing Sensi-Coil TM Tube Spacing Technology – Superior Design, Superior Unit Reduced Tube Spacing – Perfect for Sensible Cooling
  70. 71. <ul><li>Low Energy… </li></ul><ul><li>30 to 50% less than other Induced draft </li></ul>Major Energy Savings Low Sound… better than standard Forced Draft 80% less than Forced Draft! – Superior Design, Superior Unit
  71. 72. Decreased Horsepower for the SAME tonnage Total Fan Energy (Hp) Based on 3gpm per ton, 95F/85F at 78F wetbulb. – Superior Design, Superior Unit Tons Evapco Forced Draft Evapco ATW Evapco ESWA 100 25 15 7.5 200 40 25 10 300 80 40 15 400 80 50 30
  72. 73. Based on 34% annual operation (3,000 fan hours per year) Electric rate = $0.09/KWHR Fan motor efficiency = 90% – Superior Design, Superior Unit
  73. 74. Based on 3gpm per ton, 95F/85F at 78F wetbulb. – Superior Design, Superior Unit Decreased Sound Levels from Top and Side Sound Level – Measured at 5 ft from the TOP (dBA) Tons Evapco Forced Draft Evapco ATW Evapco ESWA 200 81 89 77 300 85 92 79 400 82 89 77 500 85 92 79
  74. 75. Based on 3gpm per ton, 95F/85F at 78F wetbulb. – Superior Design, Superior Unit Decreased Sound Levels from Top and Side Sound Level – Measured at 5 ft from the AIR INLET (dBA) Tons Evapco Forced Draft Evapco ATW Evapco ESWA 200 80 84 73 300 87 87 76 400 84 84 73 500 87 87 76
  75. 76. <ul><li>No evaporation on coil – reduces scale </li></ul>– Superior Design, Superior Unit ESWA Features and Benefits
  76. 77. <ul><li>Totally enclosed coil protected from heat loss </li></ul>ESWA Features and Benefits – Superior Design, Superior Unit
  77. 78. <ul><li>Easy coil access </li></ul>The Most Accessible Coil in the Industry – Superior Design, Superior Unit ESWA Features and Benefits
  78. 79. <ul><li>NEW 14’x24’ Models </li></ul>– Superior Design, Superior Unit ESWA Features and Benefits New
  79. 80. EVAPCO, Inc. Water and Energy Conservation System
  80. 81. Complete Dry Cooler Section
  81. 82. Complete Wet Section Typical Induced Draft Cooler
  82. 83. The Control System: <ul><li>Fan Operation </li></ul><ul><li>Pump Operation </li></ul><ul><li>Switchover Point </li></ul><ul><li>Water Level </li></ul><ul><li>Heater Package </li></ul><ul><li>Interfaces with Building Automation System </li></ul>
  83. 84. Stage 1 - Dry Mode Only
  84. 85. Stage 2 - Dry Mode Both Cells Running Dry
  85. 86. Stage 3 – Wet/Dry Mode
  86. 87. Stage 4 – Wet Mode Only
  87. 88. Profiles of the WDW versus an Induced Draft Cooler Water Usage m 3
  88. 89. Pulse ~Pure TM Water Treatment <ul><li>Non-Chemical Water Treatment with Pulsed Electric Fields </li></ul>
  89. 90. Pulse ~Pure TM Water Treatment Corrosion Scale Biological
  90. 91. Pulse ~Pure TM Water Treatment <ul><li>Scaling – Seed crystals. </li></ul><ul><li>Biological – Cell disruption and agglomeration. </li></ul><ul><li>Corrosion – pH in 8.3 to 9.0 range and no indiscriminate oxidizers added (chlorine or bromine). </li></ul>
  91. 92. Pulse ~Pure TM Water Treatment <ul><li>Environmental – Pulse~ Pure can eliminate chemicals from the job site and conserve water. </li></ul><ul><li>Economical – Pulse~ Pure can save $$$ through water savings, water re-use, chemical avoidance, and increased system efficiency. </li></ul><ul><li>Effective – Pulse~ Pure will provide effective water treatment for evaporative equipment. </li></ul>
  92. 93. EVAPCO, INC. Taking Quality and Service to a Higher Level . . .

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