The bearing oil coolers allow cooling of the oil used in the guide and thrust bearings of the turbine and generator; oil, which heats up because of the friction of the different moving components. With years of hands-on experience and the growth with its partners of unique custom made services, Jedheatexchanger has been able to develop itself as a market leader in the design and also manufacture of bearing coolers. Whether the heat exchange needs to be required or all-natural convection, via a single or dual tube set up to fit your certain geometrical needs, Jedheatexchanger holds an extensive understanding of the heat transfer mechanisms guaranteeing sufficient sizing and also effective air conditioning. It will certainly fit as well as it will certainly cool. The Jedheatexchanger team can also recondition your bearing oil cooler for easy maintenance by changing the configuration (variety of sections) of your colder. There are 2 families of bearing coolers: Internal and External.

INTERNAL BEARING OIL COOLERS

This exchangers generally have a round shape for installation in bearing oil tanks. The bearing coolers make sure the cooling of the oil, which flows outside the tubes using river water which distributes inside the tubes. The thermal style of Hydrocool heat exchangers is typically based upon totally free convection on the oil side, as oil velocities are frequently difficult to measure precisely. Our guide as well as thrust bearing oil coolers can be developed with or without fins, depending upon the area requirement. When using fins, Powerfin squeezed out aluminum fins are used which makes certain a durable and durable design of your cooler. Inner bearing coolers can be developed in different configurations:

CIRCULAR IN A 360 ° SOLITARY PIECE

This configuration has the advantage of offering fewer connections and therefore less risk of leaks, but has the drawback of making the maintenance of the bearing cooler a lot more complex, since the cover of the tank should absolutely be disassembled in order to access the cooler.

CIRCULAR IN TWO 180 ° SECTIONS

This setup substantially facilitates the installation and removal of the bearing oil cooler, but needs a lot more connections.

CIRCULAR IN THREE 120 ° SECTIONS

This configuration further reduce the weight and size of the cooler, but increases the number of fittings..

ROUND IN FOUR 90 ° SECTIONS

This configuration makes it feasible to minimize the dimension of the access hatches to the cooler on the tank and thus facilitates their maintenance.

IN STRAIGHT SECTION

Relying on the type of tank, the bearing coolers can be developed in straight section and also slide laterally into the tanks.

DOUBLE TUBE DESIGN FOR LEAK DETECTION

For optimum safety and security, Jedheatexchanger has the ability to supply a design of its guide as well as thrust bearing oil coolers with a double tube setup to avoid any kind of blending of water and also oil in the event of a leakage, hence getting rid of the threat of cross contamination. This setup is composed in inserting a first tube into a second tube of larger size. In the case of leakage of the internal tube, in which the fluid distributes, grooves located between both tubes make it possible to share the liquid to a detection chamber. There, it is swiftly identified, either by a sensor or by a spill into a drip pan provided for this objective. Forecast of the water onto surrounding devices is avoided.

The choice of products and the layout of the bearing coolers are vital in order to avoid early failing. Without a doubt, the water distributing inside these coolers comes directly from a river or lake and can have a relatively high destructive potential and also many debris (erosion). The Jedheatexchanger team will certainly help you select the appropriate material for your bearing oil cooler.

EXTERIOR BEARING OIL COOLERS

Two technologies are often used for the exterior cooling of guide or thrust bearing oils: shell and tube heat exchangers or gasketed plate and frame heat exchangers. For these 2 cooler technologies, the oil no longer circulates in natural convection as when it comes to the HYDROCOOL bearing coolers, but in forced convection. The circulation of the oil is often made certain by the use of a pump. Since the bearing oil circulates effective convection, the performance of the exterior bearing oil cooler is a lot greater than for interior bearing oil coolers as well as thus their impact is significantly reduced. Because of the truth that these coolers are not submersed in the bearing storage tank, their maintenance is considerably helped with.

SHELL & TUBE HEAT EXCHANGER

The oil flows on the shell side of the bearing cooler and the water flows inside the tubes. This shell & tube heat exchangers innovation has the advantage of doing despite having an extremely low water top quality with many carry-on debris.

GASKETED PLATE AND FRAMEWORK HEAT EXCHANGER

Water and oil circulate at the same time in each channel of plate as well as frame heat exchanger. ITEX-type outside bearing oil coolers are very reliable as well as use the smallest footprint. The gasketed plate and framework technology also enables easy cleansing and gives a modular cooling capability that can be boosted by adding plates. On the other hand, this exchanger modern technology requires a more sophisticated purification system to avoid obstructing the heat exchanger.

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