Below you will find the calculations on how we formulated the figure of equivalent cars globally.
| Calculate Pump Time | |
|---|---|
| 2000 | Total Number of Rotating Equipment Per Site |
| 5% | Proportion of Turbines |
| 100 | Total number of Turbines Per Site |
| 90% | Utilisation |
| 7884 | Utilisation Hours Per Year Per Turbine |
| 788,400 | Total Turbine Utilisation Hours Per Year Per Site |
| Calculate Pump Seal Energy Saving Usage #1 | |
|---|---|
| 100% | %Turbines |
| 100 | Turbines per Site |
| 90 | kg/hr LP steam loss per turbine |
| 709,560 | kg/year per turbine |
| 0.18 | kg CO2 eq per kWh steam |
| 129,140 | kg/year CO2 eq per turbine |
| 28 | cars/year per turbine |
| 12,913,992 | kg CO2 eq per site |
| 2,807 | cars per site |
| Scale up For Global Usage | |
|---|---|
| 715 | Global Number of Refineries |
| 9,233,504,280 | kg CO2 eq |
| 2,007,284 | total number of equivalent cars globally |
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The following assumptions have been made....
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A leading refinery in the UK was having trouble with seal leakage from existing carbon box technology on their 150#, 600# steam turbines. Based on prior experience the refinery approached AESSEAL® for an alternative solution.
Without Steam Turbine Seal
With Steam Turbine Seal
| Steam Turbine Upgrade Example | LBS/HR |
TONS/HR |
|---|---|---|
| Retrofitting steam turbines with dry gas seals/labtecta |
200 | $0.12 |
| Potential Savings per turbine per Annum | Costs |
|---|---|
| Steam Loss per year per ton per machine |
$28.35 |
| Cost of 150# steam - ton per year per machine |
$1,051.20 |
| Cost of Steam loss per Turbine |
$29,801.52 |
| Manual drain off of lube oil per year per machine |
$4,200.00 |
| Total Savings per turbine / 100 turbines | |
|---|---|
| Savings per year per machine |
$34,001.52 |
| 100 machines |
$3,400,152.00 |
| Reliability conversion per turbine | |
|---|---|
| 2 STS Dry Gas Seals |
$13,000.00 |
| 3 LabTecta ST Bearing Isolator Seals |
$2,000.00 |
| $15,000.00 |
| Return On Investment | |
|---|---|
| Return on Investment per machine upgrade |
5.28 months |
| 4 Year Reliability Initiative (25 turbines per year) | |
|---|---|
| Target 25 steam turbine upgrades per year |
$375,000.00 |
| Four year refinery upgrade cost |
$1,500,000.00 |
| Total four year cummulative cost saving |
$4,000,300.00 |
If enough businesses act, together we can slow down or help to prevent Global Warming.
The case for a great return on investment, from water and energy savings is very clear. "Adopt an Investment Policy to Prevent Global Warming".
