Sulfuric acid evaporator for refined acid producing apparatus
The invention discloses a sulfuric acid evaporator for a refined acid producing apparatus. The sulfuric acid evaporator is provided with a nicotinic acid tank and a water vapor tank, wherein the bottom portion of the nicotinic acid tank is provided with a nicotinic acid inlet, the top portion of the...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a sulfuric acid evaporator for a refined acid producing apparatus. The sulfuric acid evaporator is provided with a nicotinic acid tank and a water vapor tank, wherein the bottom portion of the nicotinic acid tank is provided with a nicotinic acid inlet, the top portion of the nicotinic acid tank is provided with a SO3 gas outlet, both side walls on the middle portion of the nicotinic acid tank are respectively provided with a nicotinic acid outlet, the top portion of the water vapor tank is provided with a steam inlet, the bottom portion of the water vapor tank is provided with a condensed water outlet, a U-shaped tube bundle is arranged inside the nicotinic acid tank, the inlet of the U-shaped tube bundle is positioned inside the water vapor tank and is communicated to the steam inlet, the outlet of the U-shaped tube bundle is positioned inside the water vapor tank and is communicated to the condensed water outlet, both sides on the middle portion inside the nicotinic acid tank are re |
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