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Is it necessary to install an acid mist collector after the Naismith pump, the chlorine compressor, the concentrated sulfuric acid dryer tower, and the Naismith pump?

2017-03-31 View Original

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As the title suggests: Our company’s new project generates a very small amount of chlorine gas, so we have chosen Naismith pumps as chlorine compressors. Is it necessary to install acid mist collectors after the concentrated sulfuric acid drying tower and after the Naismith pumps? Why? Thank you!
Reply #2 2017-03-31
This acid mist collector needs to be added. Because, without an acid mist collector, the acid mist in chlorine will severely affect the quality of the products in subsequent processing steps. If the subsequent step is chlorine production, the accumulation of acid in the system can lead to various problems such as reduced liquefaction efficiency and equipment corrosion.
Reply #3 2017-03-31
This must be added; the chlorine pressure pump is very aggressive with acid!
Reply #4 2017-03-31
Thank you. It’s easy to understand the need to add it after the pump, but is it necessary to add it before the pump as well? If a turbine is used, there’s no problem, but if a Nessler pump is used – and concentrated sulfuric acid is used as the liquid ring medium – is it necessary to install an acid mist collector after passing through the second drying tower?
Reply #5 2017-03-31
In my opinion, the technology used in Naae pumps does not require an acid mist collector before the pump.
Reply #6 2017-03-31
Add an acid mist catcher behind the Naikai pump before reaching the distribution station; that’s what the experienced workers always do! Why choose a Naisch pump? Even if the production capacity is low, a turbine should be chosen; Nippon pumps have too low an efficiency! Wasting electrical energy!
Reply #7 2017-04-01
This is also an electrolysis unit, but the material used is not sodium chloride; it is an electronic-grade product, which means the production capacity is relatively low – only 2,000 tons of liquid chlorine per year, equivalent to 80 m3/h in standard cubic volume. This capacity applies only after the second phase of the project is completed. Therefore, it’s not possible to use turbines for selecting compressors, and this is a challenge for our project.
Reply #8 2017-04-09
In that case, there’s even no need for a Naisch pump; just use a water jet injector!
Reply #9 2017-04-10
Hello! I’ve never heard of such equipment before; are there any manufacturers that use it for chlorine compression in the chlor-alkali industry? The outlet pressure needs to be controlled at 0.3 MPa. Is that achievable?

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