فِي الْحُطَمَةِ

فِي الْحُطَمَةِ is a phrase (شِبْهُ الجُمْلَةِ) consisting of a particle of pulling down (preposition) and a genitive noun

PhraseParticle / NounNoun Particle
شِبْهُ الجُمْلَةِجَارٌ وَمَجْرُوْرٌاسْمٌ مَجْرُوْرٌحَرْفُ جَرٍّ
PhraseCompoundGenitive NounParticle of pulling down
  
into the crushing fireفِي الْحُطَمَةِ=الْحُطَمَةِ+فَي 
into the crushing firethe crushing fireinto
Surah/Below is the only verse in the holy Quran containing the compoundفِي الْحُطَمَةِ
Verse
104-4Nay! he will certainly be thrown into the crusherكَلَّا لَيُنْبَذَنَّ فِي الْحُطَمَةِ