New Living Translation
You will throw them in a flaming furnace when you appear. The LORD will consume them in his anger; fire will devour them.

American Standard Version
Thou wilt make them as a fiery furnace in the time of thine anger: Jehovah will swallow them up in his wrath, And the fire shall devour them.

Berean Study Bible
You will place them in a fiery furnace at the time of Your appearing. In His wrath the LORD will engulf them, and the fire will consume them.

Douay-Rheims Bible
Thou shalt make them as an oven of fire, in the time of thy anger: the Lord shall trouble them in his wrath, and fire shall devour them.

English Revised Version
Thou shalt make them as a fiery furnace in the time of thine anger. The LORD shall swallow them up in his wrath, and the fire shall devour them.

King James Bible
Thou shalt make them as a fiery oven in the time of thine anger: the LORD shall swallow them up in his wrath, and the fire shall devour them.

World English Bible
You will make them as a fiery furnace in the time of your anger. Yahweh will swallow them up in his wrath. The fire shall devour them.

Young's Literal Translation
Thou makest them as a furnace of fire, At the time of Thy presence. Jehovah in His anger doth swallow them, And fire doth devour them.

Psalm 21:9 Additional Translations ...