Hi Joyce,
The following came to mind as I read your post, the Christ and His elect are the Lake Of Fire and as such will be bringing the Fall Harvest through the "flames" I would suspect (if I am interpreting the following scriptures properly) that some will need more time in the purifying Fire than others, hence some being snatched out to enter the Kingdom as others are still being burnished.
Luk 12:47 And that servant, which knew his lord's will and prepared not himself, neither did according to his will, shall be beaten with many stripes.
Luk 12:48 But he that knew not, and did commit things worthy of stripes, shall be beaten with few stripes. For unto whomsoever much is given, of him shall be much required: and to whom men have committed much, of him they will ask the more.
1Co 3:15 If any man's work shall be burned, he shall suffer loss: but he himself shall be saved; yet so as by fire.
Great topic! By the way I like your the phrase you coined "false fire" the false fire has no redeeming value, His Fire brings true life!
His Peace to you,
Joe