For a lower cost to enter It is recommended to RS gold purchase to get the Ring of Charos (a). However, avoid using the pay option in it. Blast Furnace foreman, as it will invalidate the effect of the ring. This ring is available through The Creature of Fenkenstrain questline.
The addition of Ice Gloves in the Blast Furnace will help when you're using the bar dispenser since they'll cool them down quickly and make them easier to take. This will help you save time, instead of getting buckets of water every time to cool your bars (and it will save space in your inventory too).
Before you begin your journey to the Blast Furnace itself It's important to note that it's only accessible within the worlds which are 352, 355, 358, 386, and 387. Once you've spoken the Giant Dwarf before moving into Keldagrim the next step is to go north and make your way to the bridge. After crossing it, continue south until you notice an Blast Furnace icon on the map. Once inside the marked building then walk down the stairs and you'll find the furnace itself.
Once you've finished this, it's much easier to go there when you return. You can take advantage of an Grand Exchange shortcut on the northwest wall, or take a trip in the minecart and explore Ice Mountain dwarven mines or use the minigame of group finding to be able to enter the building.
It's not easy to get used to at first however, the minigame of the Blast furnace is very easy. To utilize the furnace, follow these steps: Then, deposit your ore on conveyor belt. Take a run on the ramp that has been prepared by a bucket of water or gloves made of cheap OSRS GP ice. Then cool down your bars and deposit them.
