Kim Zolciak is ripping estranged husband Kroy Biermann … blasting him for being too controlling and making their time together traumatic.

The former ‘RHOA’ star was at LAX on Monday when a photog asked her about the latest police incident with her ex … when cops were called to their Georgia mansion as the estranged couple moved out their last belongings.

Kim says Kroy’s to blame — he allegedly used his car to block the moving truck from being able to leave — and she says he has a track record of being the problem.

They’re going through a pretty nasty divorce and Kim says the last few years with him have felt like torture … in part because he’s way too controlling.

Kim says she’s trying to take the high road here and not air all their dirty laundry for the sake of their kids … but she says things with Kroy have been way worse than she’s let on.