CS273687B1 - Device for flue gases desulphurization - Google Patents
Device for flue gases desulphurization Download PDFInfo
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- CS273687B1 CS273687B1 CS905087A CS905087A CS273687B1 CS 273687 B1 CS273687 B1 CS 273687B1 CS 905087 A CS905087 A CS 905087A CS 905087 A CS905087 A CS 905087A CS 273687 B1 CS273687 B1 CS 273687B1
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- tube
- flue gases
- oad
- flue gas
- emitter
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- 239000003546 flue gas Substances 0.000 title claims description 9
- 230000005855 radiation Effects 0.000 claims abstract description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 239000000567 combustion gas Substances 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 102000018619 Apolipoproteins A Human genes 0.000 description 1
- 108010027004 Apolipoproteins A Proteins 0.000 description 1
- 101150025935 Tspo gene Proteins 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
Description
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TQ 189 C£Z S3 ΐTQ 189 C £ Z S3 ΐ
CS 273 607 01EN 273 607 02
Funkce zařízení vychází z poznatku, že oxid siřičitý je fotochemicky reaktivní v radiačním pásmu 100 až 400 nm, kde fotochemicky indukované radikálové reakce jsou výsledkem interakce vazebně vyolaných stavů molfékul; v této oblasti vznikají četné limitní a přechodné stav oxidu siřičitého. Reakce oxidu siřičitého dále pokračují do krátkovlnné oblasti X 230 nm, kde dochází k disociaci'oxidu siřičitého S02 na oxid sirnatý S0 a kyslík 0, popřípadě síru S a kyslík 02> Energie...těchto reakcí postačí k přerušení vazby mezi atomem síry a atomem kyslíku, respektive oběma atomy kyslíku. Výhodou reakce je, že kvantový výtěžek je jen málo ovlivněn koncentrací oxidu siřičitého S02 a závisí pouze na absorbované energii záření příslušné vlnové délky. Vynález využívá poznatku, že k redukci oxidu siřičitého S02 na síru S může dojít pouzepřes mezistavy vyvolané zářením delších vlnových délek neboli nižšími kvanty energie.The function of the device is based on the finding that sulfur dioxide is photochemically reactive in the radiation range of 100 to 400 nm, where photochemically induced radical reactions are the result of interaction of coupled states of molfecules; Numerous limit and transitional states of sulfur dioxide arise in this area. Sulfur dioxide reactions continue to the short-wave X 230 nm region, where the sulfur dioxide SO 2 dissociates into sulfur dioxide S 0 and oxygen O or sulfur S and oxygen O 2 . and an oxygen atom, or both. The advantage of the reaction is that the quantum yield is little affected by the SO 2 concentration and depends only on the absorbed energy of the radiation of the respective wavelength. The invention makes use of the fact that the reduction of sulfur dioxide SO 2 to sulfur S can occur only over intermediate stages induced by radiation of longer wavelengths or lower energy quanta.
Zařízení podle vynálezu funguje tak, že po připojení vstupu trubice 1_ k neznázorněnému zdroji kouřových plynů 2 se proudící kouřové plyny 2 ozařují UV paprsky v reaktivním radiačním pásmu 100 až 400 nm. Délka expozice se stanoví v závislosti na velikosti průtoku a režimu proudění a je min. 9 secu kontinuálního způsobu ozařování. U pulsního způsobu ozařování může být expoziční doba cca o 30 % zkrácena. Z kouřových plynů 2 se průchodem trubicí vyloučí síra jako pevná substance a usadí se na dně trubice 2> kterou je možno mechanicky čistit manipulačními otvory při odpojení celého zařízení od zdroje kouřových plynů a po vytažení zářičů 2. Ke zintenzivnění záření a k jeho maximálnímu využití může být vnitřní povrch trubice 2 zrcadlově vyleštěn. Průřez trubice 2 může být téměř libovolný, musí však umožňovat snadné odstraňování pevné odpadní síry, například může být kulatý, oválný, klínový a podobně. Výstup trubice 1_ je napojen na neznázorněný odvod kouřových plynů do atmosféry.The device according to the invention works by irradiating UV rays in a reactive radiation band of 100 to 400 nm after connecting the inlet of the tube 7 to the flue gas source 2 (not shown). The exposure duration is determined according to the flow rate and flow mode and is min. 9 sec of continuous irradiation. With pulsed irradiation, the exposure time can be reduced by about 30%. From the flue gases 2, sulfur as a solid substance is passed through the tube and settles at the bottom of the tube 2, which can be mechanically cleaned by handling openings by disconnecting the entire device from the flue gas source and pulling out the emitters. the inner surface of the tube 2 is mirror-polished. The cross-section of the tube 2 may be almost arbitrary, but it must allow easy removal of solid waste sulfur, for example it may be round, oval, wedge-shaped and the like. The outlet of the tube 7 is connected to a flue gas outlet (not shown) to the atmosphere.
Zařízeni k odsiřováni kouřových plynů podle vynálezu je vhodné pro použití jak pro velké zdroje kouřových plynů, jako jsou tepelné elektrárny, teplárny, továrny, komíny, a podobně, tak i pro zdroje malé, jako například motory vozidel všeho druhu.The flue gas desulfurization apparatus according to the invention is suitable for use both for large sources of flue gases, such as thermal power plants, heating plants, factories, chimneys and the like, as well as for small sources such as engines of all kinds.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS905087A CS273687B1 (en) | 1987-12-11 | 1987-12-11 | Device for flue gases desulphurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS905087A CS273687B1 (en) | 1987-12-11 | 1987-12-11 | Device for flue gases desulphurization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS905087A1 CS905087A1 (en) | 1990-08-14 |
| CS273687B1 true CS273687B1 (en) | 1991-03-12 |
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ID=5441802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS905087A CS273687B1 (en) | 1987-12-11 | 1987-12-11 | Device for flue gases desulphurization |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS273687B1 (en) |
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1987
- 1987-12-11 CS CS905087A patent/CS273687B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS905087A1 (en) | 1990-08-14 |
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