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A Rock Island, IL based company may have the key to energy conservation and may be able to alleviate the need for immediate new power plant construction in the U.S. and increase productivity and plant reliability in the process. In addition, the company has published a document that details how process industry manufacturers can save lots of energy and stay green in the process.

The Company

The company, Inpro/Seal Company, is a leader in the manufacture and application of non-contact, non-energy consumptive bearing protectors that are designed to replace contact sealing devices that have proven to consume electrical energy while operating.

At that point in time they either must be replaced or the rotating equipment operates until the bearings become contaminated or run out of oil. It is something like running your car on a flat tire until it self-destructs. Other contacting bearing protection devices, such as magnetic face seals are also sold to industry. Combined with lip seals, they account for some 6,000 megawatts of power consumption while they are functioning and effectively sealing.

Early Industrial Motors

Since their inception by Edison and Steinmetz back in the 1920's, industrial electric motors were manufactured and put into severe duty services without adequate bearing protection. Until recently, only a close clearance between the shaft and end-bell served to limit contamination ingress into the bearing environment. Reliability suffered as life cycle costs for energy and maintenance had significant negative impact on the process industries' production numbers.

Enter The IEEE-841 Motor

In 1994, Institute of Electrical Engineers introduced their IEEE-841 Motor, an industrial duty motor that was designed to improve reliability, efficiency and performance by establishing simple guidelines. Immediately after its introduction, forward-looking process plants found that by switching to IEEE-841 Motors energy consumption also improved. In 1995, after a process plant switched to 2,000 of these new motors, they directly attributed $5 million in savings in efficiency and enhanced reliability.

Today's Industrial Motors

As part of its specification, all IEEE-841 motors incorporate non-contact Inpro/Seal? bearing isolators as standard equipment. Recently the newer NEMA Premium motor, which has at least a one point energy edge, has become readily available with Inpro/Seal bearing isolators as a standard option. This kind of permanent bearing protection greatly enhances reliability and reduces MTBF (Mean Time Between Failures). Documentation shows that the investment for enhanced efficiency and reliability regularly yields an internal rate of return of more than 100%.

Failure Is Not An Option

It has been said there are some 40,000,000 industrial-grade electric motors in use in the United States. These motors, on average will last about 5.7 years before they need to be repaired or replaced. This decision is usually based around an energy analysis.

Will a new motor have an energy-saving return on investment great enough to rationalize the capital outlay? The differential cost for power over time is weighed against the cost of a new motor and the benefits of greater efficiency and enhanced reliability. The vast majority of the time, the root cause of electric motor failures have been because of mechanical rather than electrical problems.

Add to that the fact that bearing-protected motors have proven to last at least twice as long as the motors that they replaced since the major, documented cause of motor failure remains bearing deterioration. It has been estimated that the insulation on the windings is good for 130 years because it was designed for severe resistive heating that does not present itself in the modern day super efficient motor.

Technology Can Be A Wonderful Thing

If the thirty eight million contacting lip seals addressed above were replaced with non-contacting, non-energy consuming bearing isolators, the savings would be substantial. The net energy savings in the U.S. would be some 5,586 megawatts or the equivalent of about 10 fossil fueled power plants!

The process industries would save over $3.7 billion dollars per year in electrical power costs. Tons of carbon dioxide, a greenhouse gas (GHG) that is said to be a major contributor to global warming would no longer be produced.

The bearing isolators would stay in service for at least 20 years, eliminating the duty cycle and replacement expense. Operating costs would stabilize and process industry manufacturers would realize productivity increases and remain competitive on a global basis.

2
★★☆☆☆

A Rock Island, IL based company may have the key to energy conservation and may be able to alleviate the need for immediate new power plant construction in the U.S. and increase productivity and plant reliability in the process. In addition, the company has published a document that details how process industry manufacturers can save lots of energy and stay green in the process.

The Company

The company, Inpro/Seal Company, is a leader in the manufacture and application of non-contact, non-energy consumptive bearing protectors that are designed to replace contact sealing devices that have proven to consume electrical energy while operating.

At that point in time they either must be replaced or the rotating equipment operates until the bearings become contaminated or run out of oil. It is something like running your car on a flat tire until it self-destructs. Other contacting bearing protection devices, such as magnetic face seals are also sold to industry. Combined with lip seals, they account for some 6,000 megawatts of power consumption while they are functioning and effectively sealing.

Early Industrial Motors

Since their inception by Edison and Steinmetz back in the 1920's, industrial electric motors were manufactured and put into severe duty services without adequate bearing protection. Until recently, only a close clearance between the shaft and end-bell served to limit contamination ingress into the bearing environment. Reliability suffered as life cycle costs for energy and maintenance had significant negative impact on the process industries' production numbers.

Enter The IEEE-841 Motor

In 1994, Institute of Electrical Engineers introduced their IEEE-841 Motor, an industrial duty motor that was designed to improve reliability, efficiency and performance by establishing simple guidelines. Immediately after its introduction, forward-looking process plants found that by switching to IEEE-841 Motors energy consumption also improved. In 1995, after a process plant switched to 2,000 of these new motors, they directly attributed $5 million in savings in efficiency and enhanced reliability.

Today's Industrial Motors

As part of its specification, all IEEE-841 motors incorporate non-contact Inpro/Seal? bearing isolators as standard equipment. Recently the newer NEMA Premium motor, which has at least a one point energy edge, has become readily available with Inpro/Seal bearing isolators as a standard option. This kind of permanent bearing protection greatly enhances reliability and reduces MTBF (Mean Time Between Failures). Documentation shows that the investment for enhanced efficiency and reliability regularly yields an internal rate of return of more than 100%.

Failure Is Not An Option

It has been said there are some 40,000,000 industrial-grade electric motors in use in the United States. These motors, on average will last about 5.7 years before they need to be repaired or replaced. This decision is usually based around an energy analysis.

Will a new motor have an energy-saving return on investment great enough to rationalize the capital outlay? The differential cost for power over time is weighed against the cost of a new motor and the benefits of greater efficiency and enhanced reliability. The vast majority of the time, the root cause of electric motor failures have been because of mechanical rather than electrical problems.

Add to that the fact that bearing-protected motors have proven to last at least twice as long as the motors that they replaced since the major, documented cause of motor failure remains bearing deterioration. It has been estimated that the insulation on the windings is good for 130 years because it was designed for severe resistive heating that does not present itself in the modern day super efficient motor.

Technology Can Be A Wonderful Thing

If the thirty eight million contacting lip seals addressed above were replaced with non-contacting, non-energy consuming bearing isolators, the savings would be substantial. The net energy savings in the U.S. would be some 5,586 megawatts or the equivalent of about 10 fossil fueled power plants!

The process industries would save over $3.7 billion dollars per year in electrical power costs. Tons of carbon dioxide, a greenhouse gas (GHG) that is said to be a major contributor to global warming would no longer be produced.

The bearing isolators would stay in service for at least 20 years, eliminating the duty cycle and replacement expense. Operating costs would stabilize and process industry manufacturers would realize productivity increases and remain competitive on a global basis.

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