Case Study #6

Pekin Country Club; located in Pekin, Illinois, is an upscale, golf, tennis and swimming facility. This building contains several thousand square feet of banquet facility and incorporates the use of several air handling units and perimeter heating, for environmental comfort. In addition, the existing boiler had provided all of the facilities domestic hot water.

• An aged Kewanee fire-box boiler that had been condemned, to a massive failure in the near future

• Recurring boiler tube and furnace failures

• The new system must provide system heat and domestic hot water

• The system must be easy to maintain, with a self contained automation system

The Pekin Country Club's, hot water heating system requirements were fulfilled by one Kewanee, fire-tube boiler.

This building has typical seasonal and domestic water load variations which range from 50 H.P. in the cold of the winter, to as low as 10 H.P. in the heat of the summer.

Boiler stress as a result of on-off cycling and age, has caused recurring tube and tube-sheet failures.

A respected boiler structural repair company had predicted that the boilers life expectancy, was a down to only a few weeks.

Summary : Extremely wide seasonal load swings, multiple boiler waterside vessel failures with a catastrophic failure due at any time, no automation for system control or operational efficiency.

A new Thermal Solutions boiler based system

The new boiler system consists of 2) 50 H.P. Thermal Solutions boilers, each having a 2 stage firing rate.

The heating portion of the system includes a Bell & Gossett main pump, with suction diffuser, variable speed drive and loop tempering valve.

Minimum flows are maintained with a Bell & Gossett boiler circulation pump.

Domestic water production is provided through an existing heat exchanger.

Combustion Technologies Boiler Control System

The boiler control system provides automatic boiler lead / lag management, hot water supply to the system with a reset-able temperature and domestic hot water production.

The Combustion Technologies boiler control system provides maximum system efficiency at an affordable price.

Operator interface is easy, with selection switches for lead or automatic staging of the boilers, adjustable temperature setting potentiometers for lead boiler enable, lag boiler enable and domestic water heating. 

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