Islamic Interpretation of Dreams (Ibn-i Sirin):

(Kiln; Oven) In a dream, a furnace means distress, burdens, trouble and suspicion.

Seeing a limekiln in a dream means backbiting people of knowledge or religious scholars.

As for a brick-kiln in a dream, it means oppression, injustice or polytheism.

A furnace or a kiln in a dream also represents hell-fire and its people.