VAKATOR heat exchanger | Vakading spol. s r. o. - Design and manufacture of heat exchangers

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VAKATOR heat exchanger

The VAKATOR type heat exchanger is a welded structure with a cylindrical surface of the shell. The heat exchanger consists of an array of tubes in concentric pitch circles, two opposite tube plates, collecting and returns chambers and inlet and outlet nozzles for fluids. A constituent part of the design is to figure out different thermal dilatations of the tubes and the shell. The flow of both fluids across the exchanger is usually through more passages, with respect to pressure losses. The heat exchanger design is in a horizontal and vertical position. It is used for example as a recuperator or flue gas heat exchanger.

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References

Technical and production documentation of the tube heat exchanger

ZVVZ MACHINERY, a.s., Milevsko

Milevsko, ZVVZ MACHINERY, a.s.

The cooling system of a flue gases from incinerator

ENERGOMONT s.r.o., Trnava, Slovensko

JAVYS a.s., Jaslovské Bohunice, ENERGOMONT s.r.o., Trnava

EC-mont s.r.o., Zlín

Zlín, EC-mont s.r.o.

more references

VAKATOR (TOR is derived from the Toroidal) heat exchangers are designated as SHELL & TUBE. These are cylindrical heat exchangers with straight heat transfer pipes and fixed tubesheets of specific layout (tube spacing is radial).

Main properties of VAKATOR heat exchanger:

Good heat transfer coefficient

Application of VAKATOR heat exchanger:

Most common application of this type of exchanger is recuperator. They have an integrated combustion chamber or catalytic bed. Eventual thermal dilatation can be solved by modifying the design. Annular baffles (disc and doughnut) serve to intensify the flow between pipes.

Addressing the differential thermal expansion of tubes and casing is common design task. Flow of the both media, in most cases, has multiple passes considering pressure losses. Both vertical and horizontal designs are possible.

Advantages of VAKATOR heat exchanger:

Compact design while achieving a long length of heat transfer tubes.
It is possible to design normal and counter current in the same device.

Disadvantages of VAKATOR heat exchanger:

The length of heat transfer tube is limited.

If you have any questions regarding the design and manufacture of VAKATOR heat exchangers, please call us anytime. We will be happy to discuss all of your requirements for the type of heat exchanger according to VAKATOR.