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HURST - 5 MW COGENERATION POWER PLANT W/WORTHINGTON TURBINE

Inventory # 18475

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Description:

Capacity 5 MW hog fuel cogeneration plant with (2) Hurst Hybrid Design Boilers.

Maximum continuous rating of 80,000 lbs.

40,000 lbs each at 450 psig design pressure.

Hog or rubber/hog mix fuel.

Delivered steam condition: 400 psig at 700şs F at 2800 feet elevation.

Convection heating surface per boiler 5600 sq. ft. per unit.

Superheater 1000 sq. ft. per unit.

Air heaters 2220 sq. ft. per unit.

Water tube section 1880 sq. ft. per unit.

Multicones 800 sq. ft. per unit.

Hybrid section 2050 sq. ft. per unit.

Steam Drum 80" x 20' with 5" fire tube section and 2-1/2" water tube section.

Air Heater Hurst package: Fans & Drives induced draft (2) - 200 HP.

1800 RPM.

Plus one spare.

Fans: Buffalo forged (2) 980 H16 forced draft (2) - 75 HP.

1800 RPM.

Plus one spare.

Buffalo forged (2) 540 BL Reinjection - Miller 5 HP dual reinjection.

Yarway water column with multiple scale gauges.

High/low alarms and dual shutoffs.

Impregnated into three pass flue gas system of fire tube section.

Built entirely of T-1 steel and lined with stainless.

(2) reinjection automatic blowers.

(1) ash chain feed to quenching tank.

8% manganese steel in four different configurations.

Approximately (400) spare grates available.

(3) per boiler.

Each boiler has three separate fuel cells consisting of "fuel box" and screw stoker for under-fire fuel feed.

All are computer controlled for speed based on boiler load.

Honeywell computerized closed - loop system over Bailey & Chessel controllers and electronics.

Can be set for boilers fallow turbine or turbine fallows boilers.

Dependent on operations at that time.

All functions in the plant are controlled by one system and one operator.

Size 80,000 pph.

Temperature 240şs F.

15 to 17 psig pressure.

35 psig design.

Storage 25 minutes.

Hurst multicone dust collectors.

All transformers.

Etc.

No PCB's.

2400 KVA transformer 2400 to 12500 KVA transformer.

12500 KVA to 115000 transformer.

All except 2400 transformer are in switchyard enclosure motor control center - Westinghouse Series 2100.

Standby Diesel Generator: 16V GMC diesel with Delco generator 1125 KVA.

950 kW.

1355 Amp.

500-gallon fuel tank.

Containerized enclosure.

Zurn Wet Scrubber with two Venturi inlets and 60" stack.

Settling tank with circulation pumps.

Feed Water Pumps with (2) 125 HP 1800 electric driven.

(2) 12-stage 1400 psig pumps.

Each pump will supply both boilers.

Water Softeners: Bruner water softener with Mix-Roy 4-station chemical tanks and pumps.

Turbines: Worthington Full Condensing Turbine.

(1) 5000 kW.

450 psig at 750şs F.

6250 KVA.

1960's model.

1500/867 Amp.

3600 RPM.

3-ph.

60 cycle.

2400/4150 Volt.

With Woodward governor.

Allis-Chalmers Condenser: (2) G.E.

Pressure Reducing Turbines.

S/N 640668.

937.5 KVA.

400-450 psig to 150 psig.

3600 RPM adjustable.

750 kW.

Both turbines have Sedco exciters.

2500 gal. condensate Hotwell with dual pumps.

Cooling Towers.

(4) 1500 gal. tower services cooling towers with (4) 75 HP 1200 RPM circulation motors and (4) 25 HP fans.

10,000 gal. fiberglass raw water holding tank with pumping station (enclosed).

All controls for generators.

Switchgear.

Etc. are Sedco.

All plant pumps.

Motors.

Fans.

Etc. have spares and all spares are included in purchase price.

Also numerous turbine parts.

Extra feed screws.

Etc. are included.

There are also many extras included in this plant - too numerous to mention.

All will be available for inspection.

80,000 lb.

Foster Wheeler gas/oil fired boiler.

Todd/John Zink low NOX dual fuel burner with gas and oil nozzles.

Fonder Burner computer controls for burner system.

Remote boiler computer controls by TPCI (TurnKey Process Controls) with plasma touch screen and all associated equipment.

All pumps.

Motors.

Fans.

Etc. were disassembled.

Rebearinged and balanced.

The turbine (5 MW) was disassembled and the turbine rotor and generator armature were checked out and balanced.

The air ejector.

Coolers.

Trip throttle valve.

Governor.

Etc. were checked out.

Repaired and refurbished.

The rotors were then laser-aligned and the unit was reassembled.

The transformers and cooling towers were completely inspected and refurbished.

The plant was run at capacity in November and December 2001 and January 2002.

This plant ran at 200 tons per day.

15 tons/hr. at 48% moisture content.

Bark.

Shavings.

Sawdust and up to 5% rubber were burned.

To meet today's E.P.A. guidelines for air particulate.

A precipitator should be installed.

To burn a higher percentage of rubber and higher temperature fuel.

A 5,000ş F refractory should be added.

This facility was installed in January of 1991 for $10 million.

It was operated for several years and mothballed in the mid-to-late 1990's.

In 2001.

An additional $2 million was spent to install new computer controls and other upgrades.

The plant was operated until 2002 and has been mothballed since.

The turbine is rolled once a week and the overall plant is in good operating condition.

Dismantling.

Shipping & re-installation approx. $1.5 million not including building.

Concrete slab.

Permits.

Etc.

Call for more pictures.

Condition:
Good

Year:
1991

Location:
Northwest US

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