طراحي و ساخت برج پاششي به منظورحذف آلاينده گازي با قابليت جداسازي فيلم مايع تشكيل شده برروي ديواره داخلي

Design and construction of a spray tower to remove gaseous pollutants with the ability to separate the liquid film formed on the inner wall

برج‌هاي پاششي يكي ازانواع برج‌هاي جداسازي مي‌باشد كه به دليل هزينه ساخت اندك، عمليات آسان و زمان تماس كافي، كاربردهاي زيادي در صنعت دارد، اين برج ها به دليل تماس نسبتا خوبي كه ميان گاز و مايع ايجاد مي‌كنند در فرآيند هاي انتقال جرم، از جمله جداسازي آلودگي و حذف گازهاي آلاينده كاربرد زيادي دارند. به همين منظور در اين مطالعه يك برج پاششي با توجه المان‌ها و مشخصات اين نوع برج ها ساخته شده است، كه علاوه بر قابليت حذف آلودگي از جريان گاز با طراحي و ساخت يك قطعه تفلوني در انتهاي برج توانايي جداسازي فيلم مايع برروي ديواره داخلي برج از مايع خروجي برج را داراست. بدين ترتيب مي توان آن را بعنوان دستگاي نوين جهت مطالعات انتقال جرم و تاثير فيلم ديواره داخلي برج بكار برد.

Spray towers are one of the types of separation towers that have many applications in the industry due to their low construction cost, easy operation and sufficient contact time. Due to the relatively good contact between gas and liquid, these towers are widely used in mass transfer processes, including the separation of pollution and the removal of polluting gases. In spray towers, gas and liquid collide with each other on the inner wall and separation takes place in that part, which according to past researches, the amount of separation in that part is different from the separation in the whole tower. On a laboratory scale, a spray tower can be built to remove some pollution, with the difference that a device is built at the end of the tower that separates the liquid film from the liquid exiting from the bottom of the tower, For this purpose, considering the necessary elements and equipment for the construction of a spray tower, this tower has been built on a laboratory scale and examined from a hydrodynamic point of view. With the difference that at the end of the tower, a Teflon structure is designed to separate the liquid film from the main liquid at the end of the tower. The inlet liquid and the inlet gas flow rate have a direct effect on the flow rate of the formed liquid film, in such a way that the inlet liquid flow rate has the greatest effect and the inlet gas flow rate has the least effect.