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2. Industrial furnace - Wikipedia

   en.wikipedia.org/wiki/Industrial_furnace

   The residual heat will exit the furnace as flue gas. [1] These are designed as per international codes and standards the most common of which are ISO 13705 (Petroleum and natural gas industries — Fired heaters for general refinery service) / American Petroleum Institute (API) Standard 560 (Fired Heater for General Refinery Service).

3. Furnace (central heating) - Wikipedia

   en.wikipedia.org/wiki/Furnace_(central_heating)

   The fourth category of furnace is the high-efficiency condensing gas furnace. High efficiency condensing gas furnaces typically achieve between 90% and 98% AFUE. [3] A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as ...

4. Metallurgical furnace - Wikipedia

   en.wikipedia.org/wiki/Metallurgical_furnace

   A metallurgical furnace, often simply referred to as a furnace when the context is known, is an industrial furnace used to heat, melt, or otherwise process metals. Furnaces have been a central piece of equipment throughout the history of metallurgy ; processing metals with heat is even its own engineering specialty known as pyrometallurgy .

5. Induction furnace - Wikipedia

   en.wikipedia.org/wiki/Induction_furnace

   The advantage of the induction furnace is a clean, energy-efficient and well-controlled melting process, compared to most other means of metal melting. Most modern foundries use this type of furnace, and many iron foundries are replacing cupola furnaces with induction furnaces to melt cast iron, as the former emit much dust and other pollutants ...

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   Shop more incredible deals from Walmart's big Lodge cast iron cookware sale! Lodge Cast Iron 10.25" Diameter Grill Pan with Assist Handle, $32 (was $75), walmart.com

7. Submerged-arc furnace for phosphorus production - Wikipedia

   en.wikipedia.org/wiki/Submerged-arc_furnace_for...

   This is performed in a submerged-arc furnace at temperatures of between 1150 and 1400C. The main internal reaction is described below: Ca 10 (PO 4) 6 F 2 + 15C + 9SiO 2 → 3P 2 (g) + 9[(CaO•SiO 2)] + CaF 2 + 15CO(g) This main reaction produces a liquid calcium silicates slag, carbon monoxide gas and the desired product, phosphorus gas.

8. Vacuum arc remelting - Wikipedia

   en.wikipedia.org/wiki/Vacuum_arc_remelting

   Vacuum arc remelting (VAR) is a secondary melting process for production of metal ingots with elevated chemical and mechanical homogeneity for highly demanding applications. [1] The VAR process has revolutionized the specialty traditional metallurgical techniques industry, and has made possible tightly controlled materials used in biomedical ...

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   Walmart's amazing sale on the Shark Navigator has the vacuum marked down to just $97, which means it's over half off its usual price — we haven't seen this fan-favorite cleaner this low in ...