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Recommendation for an Air -> Liquid Head exchanger?

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Lord of nothing:
Hey everyone
I looking for an Air to Liquid heat exchanger for my Gasoline Generator and, or my Diesel Fuel Heater who have both an exhaust I want to tap in to extract the produced Heat for an (additional) Liquid Based heating since the would get vent into the Air.  :=\
Can I use that: https://de.aliexpress.com/store/group/Plate-Heat-Exchanger/1461112_518260606/2.html?spm=a2g0o.store_pc_groupList.8148361.1.35bd3f52RmewTM&origin=n&SortType=price_desc&g=y ?
I guess the have 2 separate Chamber? Or maybe someone have a better recommendation?
Thanks

jmelson:
It needs to not restrict the exhaust flow too much, and needs to allow the liquid side to flow fast enough to avoid boiling.  Then, the heat exchager needs to be able to tolerate the temperatures of the engine exhaust, and possible corrosive nature.
Jon

Lord of nothing:
I guess the will not over 100C. How about that:
https://www.aliexpress.com/store/group/Ladeluftk%C3%BChler/1628007_515992466.html?spm=a2g0o.store_pc_groupList.pcShopHead_6042656.1_3_1
I guess the Buzz Word is a "Intercooler" ?  :-//

IanB:
Why not look at auto parts? There are surely many possible options there, starting with a regular car radiator (for which you would have to fabricate a cowling to direct the exhaust gas through it), but also the air heater/cooler from the HVAC system, the refrigerant condenser from the AC system, an oil cooler--the possibilities are endless.

Gyro:
Yes auto parts is a good call. Check out written off hybrid vehicles. The Kia Niro and Hyundai Iconiq (same running gear) both have heat recovery exchangers on the exhaust and EGR systems. The main exhaust one is thermostatically controlled whereas the EGR one is smaller and basic. I don't know if other Hybrids use them.

I've certainly seen the EGR ones listed fairly cheaply on ebay in the UK by parts recyclers. Here's a picture of the EGR one (plus a few ancillary bits)...



Edit: and another one in a UK ebay listing. With the inlet pipe fitted, the inlet and outlet flanges almost line up,which could be handy... https://www.ebay.co.uk/itm/124955523363

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