Help Identifying Machinery

[jsanchez]

Hello all, I am trying to figure out what this machine/apparatus is, anyone have any idea? Please let me. Thanks!

[TBJK]

It’s really hard to make out what it is. Do you have any better pictures?

[jsanchez]

I have one more, someone mentioned it is a sand exchanger

[HankCowdog]

Correct orientation might help with identification and scale (The thing is quite large):

[John_Marlow]

It appears to be some type of a heat exchanger.

https://www.solexthermal.com/industries/minerals-and-sands/