CS258667B1 - Device for absorbing gaseous substances in liquids - Google Patents
Device for absorbing gaseous substances in liquids Download PDFInfo
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- CS258667B1 CS258667B1 CS865327A CS532786A CS258667B1 CS 258667 B1 CS258667 B1 CS 258667B1 CS 865327 A CS865327 A CS 865327A CS 532786 A CS532786 A CS 532786A CS 258667 B1 CS258667 B1 CS 258667B1
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Abstract
Riešenie sa týká zariadenia na absorpciu plynných látok v kvapalinách. Zariadenie pozostáva z absorpčnej kolony umiestnenej tak, že s vodorovnou rovinou zviera ostrý uhol, která je v spodnej časti opatřená triton a vo vrchnej časti vzorkovnicou, pričom vrchná a spodná časť absorpčnej kolony sú spojené vodorovnou zubovite profilovanou absorpčnou rúrkou a zvislo orientovanou pomocnou rúrkou. Podstatou riešenia je, že absorpčná kolona je s pomocnou rúrkou spojená tiež oblúkovitou recirkulačnou rúrkou, ktorá je pri ústi do. pomocnej rúrky kapilárně] zúžená. Zariadenie je vhodné na odběr vzoriek ovzdušia pre analýzu.The solution concerns a device for the absorption of gaseous substances in liquids. The device consists of an absorption column positioned so that it forms an acute angle with the horizontal plane, which is equipped with a triton in the lower part and a sampler in the upper part, while the upper and lower parts of the absorption column are connected by a horizontal tooth-shaped profiled absorption tube and a vertically oriented auxiliary tube. The essence of the solution is that the absorption column is also connected to the auxiliary tube by an arcuate recirculation tube, which is capillary narrowed at the mouth into the auxiliary tube. The device is suitable for taking air samples for analysis.
Description
258667258667
Vynález sa týká zariadenia na absorpciuplynných látok v. kvapalinách, s vysokouzdržnou dobou plynu v absorpčnej kolóne. Čs. AO 249 246 popisuje zariadenie na ab-sorpciu plynných látok znečisťujúcich o-vzdušie v kvapalnou roztoku. Jeho nevýho-dou je, že absorpcia prebieha s vysokou ú-činnostou len pri správné zvolenom pomereobjemu absorpčnej kolony (t. j. objemu ab-sorpčnej kvapaliny] k rýchlosti prietokuplynu-vzduchu. Doteraz známe zariadeniapoužívané na absorpciu plynných látok súkonstruované tak, že absorpčný roztok, akoaj bubliny plynu sa. premiešávajú — pohy-bujú náhodné a zdržná doba plynu v kvapa-line spravidla nie je vysoká. Na zvýšeni ú-činnosti absorpcie sa často používá viacejobsorbérov zapojených za sebou. Všetky tíeto nevýhody sú odstránené v za-riadení pódia vynálezu, ktorého podstatouje, že pozostáva z absorpčnej kolóny, ktorázviera s vodorovnou rovinou ostrý uhol aje opatřená vo vrchnej časti vzorkovnicoua v spodnéj časti fritou, vrchná a spodnáčást absorpčnej kolóny sú spojené vodorov-nou zubovite profilovanou absorpčnou rúr-kou a zvislo orientovanou pomocnou rúrkou,pričom absorpčná kolona je spojená tiež spomocnou rúrkou pomocou oblúkovitej re-cirkulačnej rúrky. V porovnaní s doteraz známými zariade-niami na absorpciu plynných látok v kva-palinách, zariadenie podlá vynálezu má vy-soká účinnost absorpcie, dlhú zdržnú dobuplynu v kvapaline a jednoducho' sa napíňaabsorpčnou kvapalinou. Absorpčná kolonazviera s vodorovnou rovinou ostrý uhol, apreto bubliny plynu, ako aj absorpčný roz-tok sa v absorpčnej kolóne pohybujú turbu-lentně, v důsledku čoho sa predížuje zdrž-ná doba plynu v kvapaline a tým aj účin-nost absorpcie. Okrem toho část plynu saz absorpčnej kolóny vracia na dno absorpč-nej kolóny recirkulačnou rúrkou a zvisloorientovanou pomocnou rúrkou. Takto sazvyšuje zdržná doba plynu v kvapaline aabsorpcia prebieha s vysokou účinnosťou vdanom objeme absorpčnej kvapaliny aj priznačnéj zmene, znížení alebo zvýšení, rych-losti prietoku plynu. Kvapalina sa do zaria-denia přidává pootočením zariadenia o 180stupňov.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for absorbing fluids in liquids having a high gas holding time in an absorption column. Čs. AO 249 246 describes an apparatus for absorbing gaseous pollutants in a liquid solution. Its disadvantage is that the absorption takes place only with a high efficiency in the correct selected volume of absorption column (ie the volume of absorption liquid) to the velocity of the air-air flow known hitherto. gas bubbles are mixed - they move randomly and the residence time of the gas in the liquid line is generally not high.In order to increase the efficiency of the absorption, multisorbers connected in series are often used. in essence, it consists of an absorption column which forms a sharp angle with the horizontal plane and is provided with a frit at the top of the sampler, the top and bottom of the absorption column being connected by a horizontal toothed profiled absorption tube and a vertically oriented auxiliary tube, it is also associated with the relief Compared to the prior art devices for absorbing gaseous substances, the device according to the invention has a high absorption efficiency, a long residence time in the liquid and a simple absorption of the absorbent liquid. The absorption colony with the horizontal plane the acute angle, and therefore the gas bubbles, as well as the absorption solution, are turbulent in the absorption column, thereby delaying the residence time of the gas in the liquid and thus the absorption efficiency. In addition, part of the gas from the absorption column returns to the bottom of the absorption column through a recirculation tube and a vertically oriented auxiliary tube. In this way, the residence time of the gas in the liquid and the absorption increase with high efficiency in the volume of the absorption liquid as well as a marked change, reduction or increase in the gas flow rate. The liquid is added to the apparatus by rotating the apparatus 180 degrees.
Na pripojenom výkrese je znázorněné za-riadenie na absorpciu plynných látok v kva-palinách podl'a vynálezu.BRIEF DESCRIPTION OF THE DRAWINGS In the accompanying drawing, a device for absorbing gaseous substances in liquids according to the invention is shown.
Spodná a vrchná část absorpčnej kolóny1 sú spojené vodorovnou zubovite profilo- vanou absorpčnou rúrkou 2 a zvislo orien-tovanou pomocnou rúrkou 3. Absorpčná ko-lona 1 zviera s absorpčnou rúrkou 2 ostrýuhol. Na dno absorpčnej kolóny 1 před vy-ústěním pomocnej rúrky 3 je šikmo netave-ná frita 4, ktorej plocha je váčšia, ako prie-rez absorpčnej kolóny a na vrchnej častiabsorpčnej kolóny 1 je nádobka — vzorkov-nica 5. Absorpčná kolona 1 je bezprostřed-né spojená s pomocnou rúrkou 3 pomocouoblúkovitej recirkulačnej rúrky 6. Výstup-ná část zariadenia je rozšířená do tvaru ne-symetrického lievika 7.The lower and upper portions of the absorption column 1 are connected by a horizontal toothed profiled absorbent tube 2 and a vertically directed auxiliary tube 3. The absorbent tube 1 is sharpened by the animal with the absorption tube 2. At the bottom of the absorption column 1, before the auxiliary tube 3 is extruded, the frit 4 is slanted, the surface of which is larger than the cross-section of the absorption column and the top of the absorption column 1 is the sample container 5. The absorption column 1 is immediately connected to the auxiliary tube 3 by means of a spherical recirculation tube 6. The outlet part of the device is widened to form a non-symmetrical funnel 7.
Kvapalina (absorpčný roztok] sa do za-riadenia přidává z nádobky — vzorkovnice 5. Před přidáním kvapaliny celé zariadenie,ktoré je na obr. 1, je otočené o 180°. Plynsa doi zariadenia nasáva rúrkou 8. Po ustá-lení rýchlosti nasávania plynu sa zariadeniepootočením o 180° dostane do polohy zná-zornenej na obr. i. Absorpčná kvapalina priotočení zariadenia pretečie zo vzorkovnice — nádobky 5 do· absorpčnej kolóny 1, akoaj do rúrok 2, 3, 6. Nasávaný plyn sa pripřechode fritou 4 rozptyluje do kvapalinya bublinky plynu sa vířivým pohybom pohy-bujú absorpčnou kolonou 1. Pri pohybe bub-lin zubovite profilovanou absorpčnou rúr-kou 2 sa zvačšuje medzifázový povrch a zvy-šuje sa účinnost absorpcie. V priebehu ab-sorpcie absorpčná kvapalina v zariadení cir-kuluje. Z hornej časti absorpčnej kplóny 1prechádza cez zubovite profilovaná absoirpč-nú rúrku 2 a pomocnou rúrkou 3 sa vraciana dno absorpčnej kolóny 1. Část bublinplynu z absorpčnej kolóny 1 vniká do oblú-kovitej recirkulačnej rúrky 6 a vracia sa nadno absorpčnej kolóny 1 pomocnou rúrkou 3. Ciastočná recirkulácia plynu oblúkovitourecirkulačnou rúrkou 6 zvyšuje zdržnú do-bu plynu v kvapaline, zvyšuje účinnost ab-sorpcie a dovoluje pri danom objeme, ab-sorpčnej kvapaliny měnit rýchlosť nasáva-nia plynu bez zníženia účinnosti absorpcie.Plyn sa do zariadenia nasáva rúrkou 8 a zozariadenia sa odsává rúrkou 9. Nesymetric-ké lievikovité rozšírenie 7 zabraňuje uni-kaniu kvapaliny zo zariadenia. Po skončeníabsorpcie sa celé zariadenie otočí o 180°absorpčná kvapalina pretečie do nádobky — vzorkovnice 5, ktorá sa nahradí novouvzorkovnicou s čistou absorpčnou kvapali-nou.The liquid (absorbent solution) is added to the apparatus from the sample container 5. Before the liquid is added, the entire apparatus shown in FIG. 1 is rotated through 180 °. the device rotates through 180 ° to the position shown in Fig. 1. The liquid flowing through the device flows from the sample container 5 to the absorption column 1, such as tubes 2, 3, 6. the gas bubbles move through the absorption column 1 in a swirling motion. The interfacial surface is enhanced when moving the toothbrush-shaped absorbent tube 2 and the absorption efficiency is increased. the upper part of the absorption pad 1 passes through the toothed profiled tube 2 and the bottom of the absorption column 1 is returned through the auxiliary tube 3. the sorbent column 1 enters the curved recirculation tube 6 and returns the top of the absorption column 1 to the auxiliary tube 3. Partial recirculation of the gas through the tube 6 increases the residence time of the gas in the liquid, increases the absorption efficiency and permits at a given volume, The gas is sucked into the apparatus by means of a pipe 8 and sucked out of the apparatus by a pipe 9. A non-symmetrical funnel extension 7 prevents leakage of liquid from the apparatus. Upon absorption, the entire apparatus is rotated by 180 °, the absorption liquid flows into the container - sample container 5, which is replaced by a new sample with clean absorption liquid.
Zariadenie podlá vynálezu je vhodné naodběr vzoriek ovzdušia pre analýzu. Úspěš-ně může nahradit bežne v laboratóriách po-užívané fritové premývačky.The device according to the invention is suitable for sampling air samples for analysis. It can successfully replace commonly used frit washers in laboratories.
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Application Number | Priority Date | Filing Date | Title |
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CS865327A CS258667B1 (en) | 1986-07-14 | 1986-07-14 | Device for absorbing gaseous substances in liquids |
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CS865327A CS258667B1 (en) | 1986-07-14 | 1986-07-14 | Device for absorbing gaseous substances in liquids |
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CS532786A1 CS532786A1 (en) | 1987-12-17 |
CS258667B1 true CS258667B1 (en) | 1988-09-16 |
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CS865327A CS258667B1 (en) | 1986-07-14 | 1986-07-14 | Device for absorbing gaseous substances in liquids |
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1986
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