NO140198B - PROCEDURE FOR REMOVING SODIUM CHLORIDE POLLUTIONS IN A CHEMICAL RECYCLING SYSTEM - Google Patents
PROCEDURE FOR REMOVING SODIUM CHLORIDE POLLUTIONS IN A CHEMICAL RECYCLING SYSTEM Download PDFInfo
- Publication number
- NO140198B NO140198B NO3690/73A NO369073A NO140198B NO 140198 B NO140198 B NO 140198B NO 3690/73 A NO3690/73 A NO 3690/73A NO 369073 A NO369073 A NO 369073A NO 140198 B NO140198 B NO 140198B
- Authority
- NO
- Norway
- Prior art keywords
- gas
- column
- fractionation
- pollutions
- procedure
- Prior art date
Links
- 239000000126 substance Substances 0.000 title claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title 2
- 238000000034 method Methods 0.000 title 1
- 238000004064 recycling Methods 0.000 title 1
- 239000011780 sodium chloride Substances 0.000 title 1
- 239000007789 gas Substances 0.000 claims description 54
- 238000005194 fractionation Methods 0.000 claims description 16
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 12
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 3
- 239000001569 carbon dioxide Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 238000010411 cooking Methods 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
- D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/08—Chlorine-containing liquid regeneration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/07—Black liquor treatment
Landscapes
- Treating Waste Gases (AREA)
- Paper (AREA)
- Processing Of Solid Wastes (AREA)
- Removal Of Specific Substances (AREA)
Description
Gassfraksjoneringsanlegg. Gas fractionation plant.
Oppfinnelsen vedrører et gassf raksj o-neringsanlegg for en gass, f. eks. luft, som inneholder surstoff og kullvannstoffer, med en kokebeholder for oppsamling av flytende gass som inneholder surstoff, og om hvilken der er anordnet en ved hjelp av væsken i denne beholder kjølt, hovedsakelig av metallgas bestående innretning for fraskillelse av forurensninger fra den til gassfraksjoneringssøylen strømmende gass, såsom vann og kulldioksyd, og i hvilket anlegg der forefinnes en annen kjøler for fraskillelse av acetylen og lignende. The invention relates to a gas fractionation plant for a gas, e.g. air, which contains oxygen and coal-water substances, with a boiling container for collecting liquid gas containing oxygen, and about which there is arranged a cooled by means of the liquid in this container, mainly consisting of metal gas device for separating impurities from the flowing to the gas fractionation column gas, such as water and carbon dioxide, and in which plant there is another cooler for separating acetylene and the like.
Ved slike anlegg må tilstedeværelsen av acetylen i den gass som skal fraksjoneres vises stor oppmerksomhet. Når acetylen til en viss grad hoper seg opp og kan treffe sammen med flytende surstoff, kan der inntre meget farlige eksplosjoner. Statisk elektrisitet, som ved friksjon av i fast til-stand frosne acetylenpartikler kan opp-tre langs en vegg, kan frembringe gnister som innleder eksplosjonen. Også en rys-telse eller et støt kan innlede eksplosjonen, særlig når ozon er oppløst i det flytende surstoff. At such facilities, the presence of acetylene in the gas to be fractionated must be paid close attention to. When acetylene accumulates to a certain extent and can collide with liquid oxygen, very dangerous explosions can occur. Static electricity, which by friction of acetylene particles frozen in a solid state can appear along a wall, can produce sparks that initiate the explosion. A shake or a shock can also initiate the explosion, especially when ozone is dissolved in the liquid oxygen.
Det er derfor særlig viktig å holde acetylen borte fra flytende surstoff, som f. eks. forefinnes i kokebeholderen til en luf tf raksj oneringssøyle. It is therefore particularly important to keep acetylene away from liquid oxygen, such as e.g. is present in the boiling vessel of an air ration column.
Oppfinnelsen går ut på å skaffe et enkelt middel til å oppnå dette øyemed. The invention aims to provide a simple means to achieve this aim.
Ved et anlegg som innledningsvis nevnt består med dette formål for øye oppfinnelsen i at den annen kjøler består av en ringformet kanal som er dannet av den til kokebeholderen sluttede nedre del av gassfraksjoneringssøylen og et rør som omgir denne nedre del, slik at den for fraksjonering bestemte gass etter å ha passert metallgasen kan nå det indre av den nedre søyledel gjennom denne ringformede kanal, og at det i kanalen er anordnet et antall av metallgas bestående kraver som er varmeledende forbundet med den nedre søyledels vegg. In the case of a plant as mentioned at the outset, the invention consists for this purpose in that the second cooler consists of an annular channel which is formed by the lower part of the gas fractionation column connected to the boiling vessel and a pipe which surrounds this lower part, so that it determines for fractionation gas after passing the metal gas can reach the interior of the lower column part through this ring-shaped channel, and that a number of collars consisting of metal gas are arranged in the channel and are heat-conductingly connected to the wall of the lower column part.
Tegningen viser skjematisk et utfø-relseseksempel på et gassf raks jonerings-anlegg i henhold til oppfinnelsen. Fig. 1 viser et aksialt snitt gjennom den nedre del av en gassf raksj onerings-søyle. Fig. 2 viser den øvre del av en søyle, hvilken del tenkes anbrakt ovenpå den i fig. 1 viste del. Fig. 3 viser et perspektivriss av et ace-tylenoppfangningsorgan på gassf raksj o-neringssøylens nedre vegg. The drawing schematically shows an embodiment of a gas fractionation plant according to the invention. Fig. 1 shows an axial section through the lower part of a gas fractionation column. Fig. 2 shows the upper part of a column, which part is thought to be placed on top of the one in fig. 1 shown part. Fig. 3 shows a perspective view of an acetylene collection device on the lower wall of the gas fractionation column.
En kokebeholder 1 bærer et av et opp-rettstående rør 2 bestående bur. Rørene står i forbindelse med en ringledning 3, i hvilken der munner ut et rør 4 som fører den flytende gass fra en fraksjonerings-søyle til ringen 3, rørene 2 og kokebeholderen 1. A cooking vessel 1 carries a cage consisting of an upright pipe 2. The pipes are connected to a ring line 3, in which a pipe 4 opens which leads the liquid gas from a fractionation column to the ring 3, the pipes 2 and the boiling vessel 1.
Søylen inneholder en nedre del 5 og en øvre del 6, mellom hvilke ved 7 tilfør-selen av den for fraksjonering bestemte gass finner sted. Delene 5 og 6 er utfylt med en pakning av raschig-ringer, sadelformig gas eller lignende. The column contains a lower part 5 and an upper part 6, between which at 7 the supply of the gas determined for fractionation takes place. Parts 5 and 6 are filled with a gasket of raschig rings, saddle-shaped gas or the like.
Rørburet 2 er omgitt av en sylinder 8 av metallgas. Gasen kan være fastloddet til rørene og avkjøles sterkt av den flytende gass som strømmer gjennom rørene. The pipe cage 2 is surrounded by a cylinder 8 of metal gas. The gas may be soldered to the pipes and is greatly cooled by the liquid gas flowing through the pipes.
Kokebeholderen 1 har et gassavløp 9. Beholderen 1 er anbrakt i et hus 10, som gjennom åpningene 11 og 12 tilføres den gass som skal fraksjoneres. Vann som er utskilt fra denne gass oppsamles på husets 10 bunn og bortføres gjennom ledningen 13. The cooking container 1 has a gas outlet 9. The container 1 is placed in a housing 10, which is supplied through the openings 11 and 12 with the gas to be fractionated. Water that is separated from this gas is collected on the bottom of the housing 10 and carried away through the line 13.
Om røret 4 og den nedre søyledel 5 er der anordnet et rør 14. Røret 14 strekker seg gjennom kokebeholderen 1 og er ne-dentil festet til en med åpninger forsynt potte 15 i hvilken der forefinnes filter-materiale. På utsiden av søylen 5 er der anbrakt ringer 17, som består av gas som kan være bølgeformig (se fig. 3). Gasrin-gens form kan være uregelmessig, f. eks. dannet ved rynking av en gas-strimmel. A pipe 14 is arranged around the pipe 4 and the lower column part 5. The pipe 14 extends through the cooking container 1 and is attached below to a pot 15 provided with openings in which there is filter material. On the outside of the column 5, there are placed rings 17, which consist of gas which can be wavy (see fig. 3). The shape of the gas ring can be irregular, e.g. formed by wrinkling a gas strip.
Gjennom røret 18 blir flytende gass som returstrøm ført tilbake til søylene 5, 6 ved den øvre del 6. Væsken blir ved hjelp av fordelere 19 og 20 fordelt i søyledelene 5, 6. Den viste hele anordning blir i prak-sis omgitt av en sterk isolasjon for å be-skytte mot varmetap. Søylens overside kan være tilsluttet hodet til en koldgasskjøle-maskin, som tjener som kuldekilde for gassf raksj oneringssøylene. I dette tilfelle behøver den for fraksjonering bestemte gass ikke å bli tilført med et vesentlig høyere trykk enn søylens atmosfæretrykk. Virkemåten er følgende: Den for fraksjonering bestemte gass blir gjennom åpningene 11 og 12 innført i huset 10. Vann utskilles delvis ved kon-densering og samles på bunnen av huset 10. Through the pipe 18, liquefied gas is returned as a return flow to the columns 5, 6 at the upper part 6. The liquid is distributed in the column parts 5, 6 by means of distributors 19 and 20. The entire device shown is practically surrounded by a strong insulation to protect against heat loss. The upper side of the column can be connected to the head of a cold gas cooling machine, which serves as a cold source for the gas fractionation columns. In this case, the gas determined for fractionation does not need to be supplied at a significantly higher pressure than the atmospheric pressure of the column. The way it works is as follows: The gas determined for fractionation is introduced into the housing 10 through the openings 11 and 12. Water is partly separated by condensation and collected at the bottom of the housing 10.
Gassen møter først på sin vei til søylen den sterkt kjølte gas 8. På denne gas av-leirer der seg en snekake av krystaller av vann og kullsyre. Denne kake blir under et lengere tidsrom gjennomslippelig for gassen. Gassen blir sterkt avkjølt på gasen 8 og rørene 2 og strømmer gjennom filteret 15, 16 oppover inn i de ringformige rom mellom rørene 4 og 14 og søyledelene 5,6 og røret 14. På søyledelens 5 vegg blir gassen videre avkjølt. I ringrommet mellom søyledelen 5 og røret 14 møter gassen under sin strøm-ning, gasringene 17. Disse oppfanger ace-tylensne som ennå ikke er blitt avleiret på snekaken på gasen 8 og holder således acetylenet langt borte fra kokebeholderens 1 innhold. On its way to the column, the gas first encounters the strongly cooled gas 8. A snow cake of crystals of water and carbon dioxide settles on this gas. This cake becomes permeable to the gas over a longer period of time. The gas is strongly cooled on the gas 8 and the pipes 2 and flows through the filter 15, 16 upwards into the annular space between the pipes 4 and 14 and the column parts 5,6 and the pipe 14. The gas is further cooled on the wall of the column part 5. In the annular space between the column part 5 and the tube 14, the gas meets the gas rings 17 during its flow. These catch the acetylenes that have not yet been deposited on the snow cake on the gas 8 and thus keep the acetylene far away from the contents of the cooking vessel 1.
Selv ved store begynnelsesinnhold av acetylen i den tilførte gass viser gasen 8 og ringene 17 seg så formålstjenlige at der ikke oppstår noen farlige acetylenkonsen-trasjoner i kokeren. Even with large initial contents of acetylene in the supplied gas, the gas 8 and the rings 17 prove to be so effective that no dangerous acetylene concentrations occur in the boiler.
Disse bemerkninger med hensyn til acetylen gjelder også andre kullvannstoffer. These remarks with regard to acetylene also apply to other coal water substances.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00302375A US3844879A (en) | 1972-10-30 | 1972-10-30 | System for removing sodium chloride contaminants from a magnesium base pulping process |
Publications (2)
Publication Number | Publication Date |
---|---|
NO140198B true NO140198B (en) | 1979-04-09 |
NO140198C NO140198C (en) | 1979-07-18 |
Family
ID=23167487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO3690/73A NO140198C (en) | 1972-10-30 | 1973-09-20 | PROCEDURE FOR REMOVING SODIUM CHLORIDE POLLUTIONS IN A CHEMICAL RECYCLING SYSTEM |
Country Status (7)
Country | Link |
---|---|
US (1) | US3844879A (en) |
JP (1) | JPS5137961B2 (en) |
CA (1) | CA1000005A (en) |
DE (1) | DE2353236C3 (en) |
FI (1) | FI55368C (en) |
NO (1) | NO140198C (en) |
SE (1) | SE407700B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4000993A (en) * | 1975-11-10 | 1977-01-04 | Micron Engineering Inc. | Process for scrubbing gas streams |
AT383163B (en) * | 1985-06-27 | 1987-05-25 | Chemiefaser Lenzing Ag | METHOD FOR REGENERATING DIGESTIVE SOLUTION FROM THE USED COOKING LUG OF A MAGNESIUM BISULFITE DIGESTIVE METHOD, AND FILTER APPARATUS FOR IMPLEMENTING THE METHOD |
DE3541666A1 (en) * | 1985-11-26 | 1987-05-27 | Hoechst Ag | METHOD FOR PRODUCING A CRYSTALLINE, SOURCEABLE LAYERED SILICATE OF THE SAPONIT TYPE |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2127571A (en) * | 1935-08-21 | 1938-08-23 | Du Pont | Absorption of hydrochloric acid in liquids |
US3046182A (en) * | 1956-01-13 | 1962-07-24 | Smith Paper Mills Ltd Howard | Sulphite pulping process |
US2978378A (en) * | 1958-11-18 | 1961-04-04 | Ekstroems Maskinaffaer Ab | Method and apparatus for cleaning heat exchange apparatus connected to receive flue gases from soda recovery-boilers |
US3092535A (en) * | 1960-04-27 | 1963-06-04 | Smith Paper Mills Ltd Howard | Sulphite pulping process |
US3269095A (en) * | 1962-12-05 | 1966-08-30 | Mo Och Domsjoe Ab | Method of removing chlorine compounds from gases obtained by combustion of waste liquors |
-
1972
- 1972-10-30 US US00302375A patent/US3844879A/en not_active Expired - Lifetime
-
1973
- 1973-08-28 CA CA179,801A patent/CA1000005A/en not_active Expired
- 1973-09-20 NO NO3690/73A patent/NO140198C/en unknown
- 1973-09-26 FI FI3006/73A patent/FI55368C/en active
- 1973-10-24 DE DE2353236A patent/DE2353236C3/en not_active Expired
- 1973-10-24 JP JP48119028A patent/JPS5137961B2/ja not_active Expired
- 1973-10-29 SE SE7314657A patent/SE407700B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2353236A1 (en) | 1974-05-16 |
FI55368B (en) | 1979-03-30 |
NO140198C (en) | 1979-07-18 |
JPS4972402A (en) | 1974-07-12 |
FI55368C (en) | 1979-07-10 |
DE2353236C3 (en) | 1978-04-20 |
SE407700B (en) | 1979-04-09 |
JPS5137961B2 (en) | 1976-10-19 |
CA1000005A (en) | 1976-11-23 |
US3844879A (en) | 1974-10-29 |
DE2353236B2 (en) | 1977-08-18 |
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