Detroit Diesel Heat Exchanger

Diesel Heat Exchanger

How a heat exchanger worksWe carry lots of sized copper brazed plate temperature exchangers, with different welded-in suitable options & differing quantity of dishes.

These devices may be used for SVO sales, alcohol wort chilling, biodiesel air conditioning or home heating, refrigeration & boiler programs.

How Heat Transfer Works

Temperature transfer occurs when there clearly was an improvement in temperature between two mediums. Temperature will travel through the hot resource into the cold supply. The price at which the heat transfer takes place at depends upon many factors including the temperature conductivity associated with two materials andthe difference in temperatures for the two mediums. Convectiuve temperature transfer takes place when the products tend to be moving against both.

Plate temperature exchangers have actually notably great temperature transfer prices since they utilize material plates that have high heat conductivity rates while the dishes are really slim. The dish heat exchangers additionally achieve high levels of heat transfer through convective causes with both working liquids. With huge heat differentials, great amounts of temperature transfer may be accomplished making use of a plate heat exchanger.


Corrosion is normally exactly how these devices will fail. Use liquids with reasonable pH amounts assuring a lengthy enduring life. Difficult water will corrode quicker than regular water. (Use distilled if at all possible; Distilled shouldn't corrode it) Salt water will corrode stainless steel extremely fast. It is strongly suggested to wash the exchanger frequently if you work with corrosive liquids. Normal consumption (non-corrosive liquids) should expect 10-20 several years of life. Fluids containing chlorides will rot the unit quickly.


This is an extremely well-known device for wood burning furnaces, vibrant flooring methods, refrigerant methods, right vegetable oil conversions, beer chilling, air-con system and solar power liquid heating methods. It will probably benefit any application where the desired result is for two fluids (fluid or gas) to change temperature.

This image shows a countertop movement configuration. Counter circulation is one of efficient configuration since in theory, the cold substance can attain the same heat as hot liquid.

How it functions

Liquid A passes from the port regarding the remaining of this temperature exchanger through any other channel produced by the plates towards the opposite end interface in the remaining associated with the temperature exchanger (looking at it the long way). Fluid B passes from port from the right through another channels created by the dishes and comes out the other port from the right-side. The liquids are basically pressing both through the plates and heat is transferred from the hot substance into the cold fluid. (although liquids do not blend)


Beer Wort Chilling - just begin to see the after maps for overall performance estimates on applications particular to beer wort chilling.

What Size & What Number Of Dishes?

  • More temperature exchanger length indicates much higher performance. The longer the better.
  • Even more plates on a temperature exchanger adds some extra temperature transfer, but is meant to lower stress drop. Pressure drop reduces circulation rate which decreases heat transfer.
  • Much more circumference on a temperature exchanger enables significantly less pressure drop.
  • Just see below information for further detailed information

Generally, the more size the warmth exchanger has, the greater amount of effectiveness in temperature transfer this has. An infinitely long heat exchanger allows the hot fluid to become the temperature associated with cold fluid and cold substance the hot substance, presuming perfect energy stability.

The greater plates and more width heat exchanger has, the less pressure loss into the fluids streaming through. While including more dishes and width may increase some temperature transfer, it is best to add more size for ideal heat transfer gain. More plates and width is highly recommended when movement rates achieve 1 / 2 or maybe more the maximum flow price for the specific device in order to prevent pressure loss in the fluid movement. Stress reduction implies a slower flowing liquid and for that reason, less heat transfer in general. Within our styles, we usually enable around a 7.5 psi force drop, that will be generally accepted as non-interfering with flow prices in a heat transfer application. Many reduced movement applications experience not as much as 1 psi fall.

Optimal Flow Rate for Water with significantly less than 7.5 psi Pressure Drop Allowed



Max Flow (gpm)
















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