Plate Type Heat Exchangers

 

Introduction:

In Heat exchanger system, the new and latest type of compact and effective model Heat exchanger is plate type heat exchanger. Another type of heat exchanger is the plate heat exchanger.  One is composed of multiple, thin, slightly-separated plates that have very large surface areas and fluid flow passages for heat transfer.  This stacked-plate arrangement can be more effective, in a given space, than the shell and tube heat exchanger.

Advances in gasket and brazing technology have made the plate-type heat exchanger increasingly practical.  In HVAC applications, large heat exchangers of this type are called plate-and-frame; when used in open loops, these heat exchangers are normally of the gasket-ed type to allow periodic disassembly, cleaning, and inspection. There are many types of permanently-bonded plate heat exchangers, such as dip-brazed and vacuum-brazed plate varieties, and they are often specified for closed-loop applications such as refrigeration. Plate heat exchangers also differ in the types of plates that are used, and in the configurations of those plates. The closely spaced metal heat transfer plates have troughs or corrugations, which induce turbulence to the liquids flowing as a thin stream between the plates.

Design and Process

The plates have corner ports, which in the complete plate pack form a manifold for even fluid distribution to the individual plate passages. As an exclusive feature, parallel flow heat exchanger plates have interlocking gaskets in which upstanding lugs and scallops are sited intermittently around the outside edges. The seal between the plates is established by a peripheral gasket which also separates the thru port and flow areas with a double barrier. The interspaces are vented to atmosphere to prevent cross-contamination in the rare event of leakage. Plate heat exchanger, consists of a stationary head and end support connected by a top carrying bar and bottom guide rail.

Tipo having to design and manufacturer, supply and all services of the plate heat exchanger.

Technical Capacities of Plate type heat exchangers

• Heat exchange surface per plate: 0,04 – 2,50 m²
• Plate types : M6, M6-M and M6-MD
• Max. design pressure: 25 bar
• Max. design temperature: 170°C

Plate Type Heat Exchanger Types :

Gasketed Plate, Copper-brazed Plate, Fully-welded Plate, Semi-welded Plate.

Materials

• Standard Materials : Carbon steel, Gaskets.
• Stainless steel 1.4301/AISI 304, 1.4401/AISI 316.
• Optionally: 1.4539, 254 SMO, titanium.

Advantages

• Flexibility as well as easy to cleaning.
• Small investment, process and maintenance expenses.
• High heat transfer coefficients.
• Easy to open and cleaning of this product.
• No additional space is necessary for dismantling.

Applications

• Chemical Plants.
• Heat transfer fluids.
• Power Generation Industries.
• Waste heat recovery.
• Thermal Power Plants.
• Textile Industries Heat recovery.
• Sugar Plants.
• Automotive Industries are used this heat exchanger.
• Water Treatment.

Images

Plate Type Heat Exchangers