DE2508666A1 - Pressurized coal gasification gases - scrubbed in stages with tar oil at final temperature below oil vaporization point - Google Patents

Pressurized coal gasification gases - scrubbed in stages with tar oil at final temperature below oil vaporization point

Info

Publication number
DE2508666A1
DE2508666A1 DE19752508666 DE2508666A DE2508666A1 DE 2508666 A1 DE2508666 A1 DE 2508666A1 DE 19752508666 DE19752508666 DE 19752508666 DE 2508666 A DE2508666 A DE 2508666A DE 2508666 A1 DE2508666 A1 DE 2508666A1
Authority
DE
Germany
Prior art keywords
oil
stages
gas
stage
tar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19752508666
Other languages
German (de)
Inventor
Heinz Gresch
Heinz Hoelter
Heinrich Igelbuescher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE19752508666 priority Critical patent/DE2508666A1/en
Priority to JP9743775A priority patent/JPS5190303A/en
Priority to US05/605,074 priority patent/US4123502A/en
Priority to FR7525562A priority patent/FR2300126A1/en
Priority to CA233,935A priority patent/CA1057936A/en
Priority to GB411276A priority patent/GB1520041A/en
Priority to AU10825/76A priority patent/AU499917B2/en
Publication of DE2508666A1 publication Critical patent/DE2508666A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/02—Dust removal
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/08—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors
    • C10K1/16—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids
    • C10K1/18—Purifying combustible gases containing carbon monoxide by washing with liquids; Reviving the used wash liquors with non-aqueous liquids hydrocarbon oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
    • C10K1/00—Purifying combustible gases containing carbon monoxide
    • C10K1/20—Purifying combustible gases containing carbon monoxide by treating with solids; Regenerating spent purifying masses

Abstract

Gases produced during the gasification of coal under pressure are purified by using a hard coal tar oil with a high boiling curve to scrub the tar-containing and dusty components. The scrubbing is done in several stages; the gas is cooled by the wash oil in successive stages far enough to have in the last scrubbing stage a higher vaporisation point of the oil than the temperature of the gas to be cleaned. This keeps oil losses by vaporisation to a minimum. The following desulphurisation and turbine are not detrimentally affected by oil vapours and mists.

Description

Beschreibung und Erläuterung zur Zusatzpatentanmeldung.Description and explanation of the additional patent application.

"Mehrstufen-Olwaschung zur Reinigung der erzeugten Gase bei der Kohledruckvergasung." Zusatzanmeldung zu P 25 04 839.9 Nach der Hauptanmeldung soll erfindungsgemäß zur Waschung der Gase bei der Kohledruckvergasung Steinkohlen-Teeröl verwandt werden."Multi-stage oil scrubbing for cleaning the gases produced in the pressure gasification of coal." Additional application to P 25 04 839.9 According to the main application, according to the invention for Washing of the gases in the coal pressure gasification hard coal tar oil are used.

Das Gas aus dem Reaktor hat eine Temperatur von ca. 6000C und wird je nach Zwischenschaltung eines Wärmetauschers auf etwa 3500 C heruntergedrückt.The gas from the reactor has a temperature of approx. 6000C and is depending on the interposition of a heat exchanger, depressed to around 3500 C.

Das so gekühlte Gas wird dann erfindungsgemäß nach dem Hauptpatent mit Steinkohlen-Teeröl ausgewaschen mit einer Siedekurve von z.B. 230 - 3600 C.The gas cooled in this way is then according to the invention according to the main patent Washed out with coal tar oil with a boiling curve of e.g. 230 - 3600 C.

Es läßt sich nicht vermeiden, daß Öl verdampft. Erfindungsgemäß soll jedoch der Verlust des Öls so gering wie möglich gehalten werden, um auch andererseits nicht die nachgeschaltete H2S-Wäsche und die Turbine zu benachteiligen.It cannot be avoided that the oil evaporates. According to the invention however, the loss of the oil can be kept as low as possible to also the other hand not to disadvantage the downstream H2S scrubbing and the turbine.

Aus diesem Grunde wird erfindungsgemäß vorgeschlagen, die Steinkohlen-Teerö 1-Was chung in mehreren Stufen vorzusehen, so daß in der letzten Stufe die absolute Gewähr gegeben ist, daß der Verdampfungspunkt des Öls oberhalb der zu reinigenden Gastemperatur liegt, so daß alle mitgerissenen Öldämpfe und Nebel aus den vorgeschalteten Waschstufen in der letztgeschalteten Waschstufe erfaßt und abgeschieden werden.For this reason it is proposed according to the invention, the hard coal Teerö 1-Was chung in several stages, so that in the last stage the absolute It is guaranteed that the evaporation point of the oil is above that to be cleaned Gas temperature is so that all entrained oil vapors and mist from the upstream Wash stages are detected and deposited in the last wash stage.

Selbstverständlich ist die Erfindung nicht auf die vorstehend im einzelnen beschriebenen Merkmale beschränkt, sondern es sind zahlreiche Abänderungen möglich, ohne jedoch von dem Grundgedanken abzuweichen, ein erzeugtes Gas, das mit Öl gewaschen wird, mehrstufig mit dem Öl so weit herunterzukühlen, daß in der letzten Waschstufe die Temperatur des Gases unter dem Verdampfungspunkt des Öls liegt, um dadurch eine fast 100 %-ige Abscheidung der ölnebel und Öldämpfe zu garantieren.Of course, the invention is not limited to the above in detail described features are limited, but numerous modifications are possible, without deviating from the basic idea, however, a generated gas that is washed with oil is to cool down in several stages with the oil so far that in the last washing stage the temperature of the gas is below the evaporation point of the oil, thereby creating a to guarantee almost 100% separation of oil mist and oil vapors.

Patentanspruch:Claim:

Claims (1)

Patentanspruch: Anspruch 1: Verfahren zur Abscheidung von bedämpfen und Ölnebel bei der Waschung von Heißgasen, vorzugsweise bei der Kohledruckvergasung nach der Hauptanmeldung - Verfahren zur Reinigung der erzeugten Gase bei der Kohledruckvergasung,-dadurch gekennzeichnet, daß eine mehrstufige Waschung stattfindet, wobei das Gas von Stufe zu Stufe durch das Waschöl so weit heruntergekühlt wird, daß in der letzten Waschstufe der Verdampfungspunkt des Öls höher liegt als die Temperatur des zu reinigenden Gases.Claim: Claim 1: Process for the deposition of fumes and oil mist when scrubbing hot gases, preferably when using pressurized coal gasification according to the main application - process for the purification of the gases produced in the coal pressure gasification, -thereby characterized in that a multi-stage scrubbing takes place, the gas from stage to stage is cooled down so far by the washing oil that in the last washing stage the evaporation point of the oil is higher than the temperature of the one to be cleaned Gas.
DE19752508666 1975-02-06 1975-02-28 Pressurized coal gasification gases - scrubbed in stages with tar oil at final temperature below oil vaporization point Withdrawn DE2508666A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE19752508666 DE2508666A1 (en) 1975-02-28 1975-02-28 Pressurized coal gasification gases - scrubbed in stages with tar oil at final temperature below oil vaporization point
JP9743775A JPS5190303A (en) 1975-02-06 1975-08-11 SEKITANKAATSUGASUKA NISAISHISHOJIRU GASUNOJOKAHO
US05/605,074 US4123502A (en) 1975-02-06 1975-08-15 Process for the purification of gas generated in the pressure gasification of coal
FR7525562A FR2300126A1 (en) 1975-02-06 1975-08-18 PROCESS FOR PURIFYING THE GAS FORMED DURING THE CARBONATION OF PRESSURIZED COAL
CA233,935A CA1057936A (en) 1975-02-06 1975-08-22 Process for the purification of gas generated in the pressure gasification of coal
GB411276A GB1520041A (en) 1975-02-06 1976-02-03 Cleaning of gas produced by the pressure gasification of coal
AU10825/76A AU499917B2 (en) 1975-02-06 1976-02-04 Cleaning gas produced by pressure gasification of coal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752508666 DE2508666A1 (en) 1975-02-28 1975-02-28 Pressurized coal gasification gases - scrubbed in stages with tar oil at final temperature below oil vaporization point

Publications (1)

Publication Number Publication Date
DE2508666A1 true DE2508666A1 (en) 1976-09-09

Family

ID=5940029

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752508666 Withdrawn DE2508666A1 (en) 1975-02-06 1975-02-28 Pressurized coal gasification gases - scrubbed in stages with tar oil at final temperature below oil vaporization point

Country Status (1)

Country Link
DE (1) DE2508666A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0167702B1 (en) * 1984-06-08 1987-10-21 Krupp Koppers GmbH Process for the subsequent treatment of a gas obtained by pyrolyzing trash

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0167702B1 (en) * 1984-06-08 1987-10-21 Krupp Koppers GmbH Process for the subsequent treatment of a gas obtained by pyrolyzing trash

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8130 Withdrawal