SD card gets different name at every format
No you can't stop it from changing.

First you should know it's not the "name" for an SD card (technically "volume"). Even worse, "name" is an ambiguous term here. You should either use "product name" (for hardware) or "volume name/label".

This is, in fact, "Volume Serial Number". It's a 32-bit integer so you see it represented with 8 hexadecimal numbers. It is subject to change whenever you format it.

As beeshyams noted, you may be able change it with command line utilities from rooted Android (you can always do so in a GNU/Linux system). To obtain the correct utilities, you should download Termux, and install a package named mtools in it:

apt install mtools tsu


Then follow this guide and run

tsu
mlabel -i /dev/block/xxx -N XXXXXXXX ::label


I haven't tested it but I'm afraid it isn't an easy job to do on Android. Better grab a Linux computer :)