Buy Gas Turbine Engines Bronze Parts

Compared to conventional power plants, gas turbines have several advantages, such as longer life, smaller size and mass, more power, and more friendly to the environment. In gas turbines, the gas turbine bearing is one of the key components, and its operating conditions are characterized by high axial load and high speed, which are high-speed and heavy-duty operating conditions.

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The gas turbine thrust bearing is one of the key parts in the gas turbine, and the axial load it has to bear can reach a maximum of 200KN or more, and the speed can reach to r/min, which belongs to the working conditions of high speed and heavy load.

High-speed and heavy-duty gas turbine bearings

gas turbine thrust bearing is subjected to a variety of problems during operation, such as vibration and noise damping, lubrication performance, dynamic balancing, etc. Bronzeoilless.com places high demands on components and lubricants to ensure complete reliability in the face of high temperatures associated with these engines. Our bronze thrust washer has the properties needed to provide lubrication and cooling in these harsh operating environments.

Turbine Tip No. 9 from the PAL solutions library applies to General Electric package power plants (PPP), including the following: Model Series P, B, and B-EA.

Suppose your company has purchased a pre-owned PPP and must move it to a new location. Such resales have become more popular recently as the original purpose of this equipment (peaking and emergency power) has ended for many electric utilities. These plants can be relocated successfully, but it is important to engage a knowledgeable crew supervised by an experienced senior field engineer as technical director. This is no job for amateurs if you want to retain your asset’s value.

Preparation work should reverse the OEM’s original “as-installed” procedure from perhaps 40 or 50 years ago. Nobody working at your plant likely remembers that installation process. Plus, there may not be any GE installation records, field-engineer reports, or information available on how to move this unit to a new foundation.

Bear in mind that to safely uproot and move a GE frame gas turbine, specific procedures must be followed. Among them are those described below:

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Remove the side panels adjacent to the turbine shell (Fig 9-1), taking note of the two shell supports, bolting, and dowels. Each support foot has four vertical bolts and one dowel (Fig 9-2). Loosen the bolts for the two support legs shown in Figs 9-3 and 9-4 and install mechanical jacks temporarily at each of the two vertical-joint locations. Next, jack up the shell about 15 mils so a shipping pin can be installed in the lower centerline gib key. Shell lifted, tap loose the shims under the support feet, which may be rusted in place. Note that the turbine must “ride” on a shipping pin in case it is “humped” during transport. This can happen when the machine is lifted by crane or transported by truck or train. Damage could occur to the compressor blades and bearings if the unit is not prepared properly.

Notice the loosened fasteners and elevated dowel pin between the bolts at the left in Fig 9-6. The dowel remains in place, shims tapped loose, and support legs are not supporting any turbine weight. Fig 9-7 shows the pin installed to support the turbine shell during shipping to prevent “humping” of the shell. Red tag is to remind personnel that the dowel should be removed after jacking at the new location. Then the legs can be bolted down to support the shell.

The horizontal gib key bolts in Fig 9-8 can remain in place on each side as long as a 25-mil feeler gage can be slipped in to assure the shell (not shown) is not “pinched.” This will maintain the horizontal centerline and shell position. Once they are installed, the mechanical jacks supporting the casing can be removed.

Front flex-plate bolting need not be disturbed.

The rotor must be pushed axially against the active thrust bearing (located internally on the opposite end at the No. 1 turbine bearing) to keep the rotor secure during shipment. The axial internal clearance between thrust bearings is about 16 to 19 mils. Use a dial indicator (not shown) to “thrust” the rotor backwards against the active thrust bearing (Fig 9-9).

There’s no need to disturb the front compressor flex support when preparing for the move (Fig 9-10).

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