Plate Heat Exchanger
Upgrading or replacing your thermal systems with a plate heat exchanger can offer benefits such as improved efficiency, stronger heat transfer performance and a reduced equipment footprint. At Louisiana Chemical Equipment Company, we stock an inventory of plate heat exchangers, including inspected gasketed, brazed and welded models.
Our available units are ready to ship, helping you reduce long manufacturer lead times and support production schedules.
How a Plate Heat Exchanger Works
A plate heat exchanger transfers thermal energy between two fluids, hot and cold, without letting them mix. It uses thin, corrugated metal plates stacked in an alternating pattern that separates the fluids and allows thermal energy to flow from one stream to the other.
Depending on the model, the plates may be sealed with gaskets, brazed together or welded together to direct each fluid into counter-current flow where they move in opposite directions through the unit. Due to the counter-current flow mechanism, the unit maintains a consistent temperature difference across the entire exchanger, maximizing heat recovery rate.
Plate Heat Exchanger vs. Shell and Tube Exchangers
Plate heat exchangers have several advantages over traditional shell and tube exchangers. Here’s how they compare:
- Equipment footprint: Unlike bulky shell and tube exchangers, plate heat exchangers deliver their thermal duty while requiring less floor space.
- Thermal performance: Shell and tube exchangers typically require a wide temperature approach. Plate heat exchangers can achieve a significantly tighter approach and offer a higher level of heat recovery in the right application.
- Capacity flexibility: With gasketed plate heat exchangers, plates can often be added, removed or reconfigured to adjust thermal capacity as your facility’s demand grows. Conversely, shell and tube units are entirely fixed.
- Cleaning and servicing: While shell and tube units require bundle pulling for maintenance, gasketed exchangers are designed to be unbolted and cleaned on-site without removing piping.
Common Industrial Applications
Some common industrial applications and uses for plate heat exchangers are as follows:
- Chemical processing and refineries: For these applications, plate heat exchangers can capture waste heat to reduce fuel consumption.
- HVAC and refrigeration: Where installation space is limited, a plate heat exchanger can be used for high-pressure cooling, district heating and climate control.
- Food and beverage production: It’s useful for sanitary processes such as pasteurization that require precise, rapid temperature control without overheating the product.
Selecting the Right Plate Exchanger for Your Plant
The following are categories of plate exchangers you can choose from for your plant:
- Gasketed exchanger: This unit has a modular design that allows you to unbolt its seals for thorough cleaning, routine plate inspection and thermal capacity expansion.
- Brazed exchanger: Brazed exchangers are designed for high-pressure durability, making them suitable for demanding HVAC and refrigeration systems.
- Welded exchanger: This plate exchanger may be suitable for applications involving certain aggressive chemicals and extreme temperatures, depending on the unit’s specifications.
Source Your Process Equipment With LCEC
Since 1968, we have supported industrial operations with reliable process equipment. Contact us today to submit a purchase request for ready-to-ship plate exchangers.
