DE4038068A1 - Appts. for reducing carbon di:oxide emission for gas-fired plant or car - by spraying milk of lime into reaction zone - Google Patents

Appts. for reducing carbon di:oxide emission for gas-fired plant or car - by spraying milk of lime into reaction zone

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Publication number
DE4038068A1
DE4038068A1 DE4038068A DE4038068A DE4038068A1 DE 4038068 A1 DE4038068 A1 DE 4038068A1 DE 4038068 A DE4038068 A DE 4038068A DE 4038068 A DE4038068 A DE 4038068A DE 4038068 A1 DE4038068 A1 DE 4038068A1
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Germany
Prior art keywords
reducing
container
lime
reaction chamber
reaction zone
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Withdrawn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
DE4038068A
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German (de)
Inventor
Dieter Pomplun
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Individual
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Individual
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Priority to DE4038068A priority Critical patent/DE4038068A1/en
Publication of DE4038068A1 publication Critical patent/DE4038068A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2

Abstract

Redn. of CO2 from gas-fired plant is carried out with a container (1) and a pump (2) connected by a pipe to spray heads (3) which are placed in a reaction zone (4). Pref. the bottom of the reaction zone consists of a clack valve (7), pref. with a pipe or hose connector connected to a container (6). the reaction zone is preceded by a waste gas heat exchanger (9). The pump (2) is attached to the container (1) or is an immersed pump inside this. ADVANTAGE - In both cases, the spray system can operate with much more concn. of lime milk than usual, without becoming blocked.

Description

Vor der Beschreibung der möglichen anwendungstechnischen Konstruktionen soll zunächst die chemische Grundlage erläutert werden.Before describing the possible application engineering designs the chemical basis will be explained first.

Durch Brennen von Naturkalk CaCO3 wird das darin enthaltene Kohlendioxid ausgetrieben, und es entsteht Calciumoxid CaO, der Branntkalk.By burning natural lime CaCO 3 , the carbon dioxide contained therein is expelled and calcium oxide CaO, the quick lime, is formed.

Durch Löschen mit Wasser entsteht Calciumhydroxid Ca (OH)2, der gelösch­ te Kalk. Gibt man mehr Wasser zu, als für die Reaktion zu Ca(CH)2 not­ wendig ist, setzt sich Kalkwasser ab. Aus der Literatur ist bekannt, und eigene Versuche haben das bestätigt, daß dieses Kalkwasser bis zu einem bestimmte Grad die gleichen chemischen Eigenschaften hat, wie der gelöschte Kalk Ca(OH) 2. Somit kann das Kalkwasser auch als Ca(OH)2 bezeichnet werden.Calcium water Ca (OH) 2 , the extinguished lime, is formed by water quenching. If more water is added than is necessary for the reaction to Ca (CH) 2 , lime water will settle. It is known from the literature, and our own experiments have confirmed that this lime water has to a certain extent the same chemical properties as the hydrated lime Ca (OH) 2 . The lime water can therefore also be referred to as Ca (OH) 2 .

Leitet man nun Kohlendioxid CO2 durch das Kalkwasser Ca(OH)2, so ent­ steht das Ausgangsprodukt CaCO3, der Naturkalk.If you pass carbon dioxide CO 2 through the lime water Ca (OH) 2 , the result is CaCO 3 , the natural lime.

Da das Ausgang- und Endprodukt, also CaCO3, gleich ist, wäre ein technisch funktionierender Kreislauf möglich. Das im CaCO3-Endprodukt gebundene CO2 aus den Abgasen wird beim erneuten Brennen in den Kalkwerken auf­ gefangen, und technisch weiterverarbeitet.Since the starting and end product, ie CaCO 3 , is the same, a technically functioning cycle would be possible. The CO 2 from the exhaust gases bound in the final CaCO 3 product is captured when it is fired again in the lime works and further processed technically.

Die Realisierung dieses Verfahrens erhält deshalb nur dann einen Sinn, wenn technisch notwendiges CO2 vorrangig aus diesem Reaktionskreislauf gewonnen wird, und nur darüber hinaus erforderliches CO2 durch zusätz­ liches Brennen von Naturkalk erzeugt wird. The implementation of this process therefore only makes sense if technically necessary CO 2 is primarily obtained from this reaction cycle, and only if the CO 2 required is generated by additional burning of natural lime.

Anwendungstechnische Möglichkeit bei Gasheizungsanlagen. Fig. 1Possibility of application in gas heating systems. Fig. 1

Aus einem Behälter (t) wird mittels einer Pumpe (2) Ca(OH)2 in ein System von einem, oder mehreren noch zu entwickelnden Sprühköpfen (3) gedrückt, und in einem Reaktionraum (4) nebelartig versprüht. Den Anforderungskontakt erhält die Pumpe (2) vom Gasbrenner, bzw. der Heizungsregelung. Im Reaktionraum (4) treffen die in Pfeilrichtung (5) ziehenden Abgase mit dem CO2 auf das Ca (OH)2. Die Reaktionprodukte CaCO3 und Wasser werden in den Behälter (6) geleitet.A pump ( 2 ) is used to press Ca (OH) 2 from a container (t) into a system of one or more spray heads ( 3 ) to be developed, and to spray it in a reaction space ( 4 ) like a mist. The pump ( 2 ) receives the request contact from the gas burner or the heating control. In the reaction chamber (4), the withdrawing direction of the arrow (5) exhaust gases meet with the CO 2 to Ca (OH) 2. The reaction products CaCO 3 and water are passed into the container ( 6 ).

Der Boden des Reaktionsraumes (4) ist als Klappe (7) ausgebildet, die es ermöglicht, das wasserunlösliche CaCO3, welches nicht mit abgeflos­ sen ist, gelegentlich zu entfernen.The bottom of the reaction chamber ( 4 ) is designed as a flap ( 7 ), which makes it possible to occasionally remove the water-insoluble CaCO 3 , which is not included.

Damit das Kalkwasser nicht sofort verdampft, ist dem Reaktionsraum (4) ein Abgas-Wärmetauscher vorgeschaltet, der die Abgastemperatur auf unter 100 Grad Celsius herunterkühlt. Das dabei anfallende Kondensat fließt über einen Schlauch (8) in den Kanal.So that the lime water does not evaporate immediately, an exhaust gas heat exchanger is installed upstream of the reaction chamber ( 4 ), which cools the exhaust gas temperature down to below 100 degrees Celsius. The resulting condensate flows into the channel via a hose ( 8 ).

Anwendungstechnische Möglichkeit bei Personenkraftwagen mit Ottomotor. Fig. 2Application technology option for passenger cars with petrol engines. Fig. 2

Ein Reaktionsbehälter (t), der in der Stoßstange integriert ist, besitzt ein Füllventil (2), und ein Entleerungsventil (3). Über die Rohrschleife (4) ist der Reaktionsbehälter (1) mit dem Auspuffsystem (9) verbunden. Durch das Füllventil (2) wird Kalkwasser in den Reaktionbehälter (1) eingefüllt. Eine, oder mehrere Tauchpumpen (6) wie sie von der Schei­ benwaschanlage her bekannt sind, sprühen über ein noch zu konzipierendes Sprühsystem (7) Ca (OH)2 in die Abgase, die den oberen Reaktionsraum durchströmen ein Leitblech (8) verhindert, daß das Reaktionsprodukt CaCO3 vom Kompressionsdruck des Motors herausgeschleudert wird. Den Anforderungskontakt erhält die Pumpe (6) vom Zündschloß. Eine Rückschlagklappe (5) sorgt dafür, daß nicht zuviel Kalkwasser mit CO2 aus der Luft reagieren kann. Durch das Entleerungsventil (3) wird das CaCO3 entleert.A reaction vessel (t), which is integrated in the bumper, has a filling valve ( 2 ) and an emptying valve ( 3 ). The reaction vessel ( 1 ) is connected to the exhaust system ( 9 ) via the pipe loop ( 4 ). Lime water is filled into the reaction container ( 1 ) through the filling valve ( 2 ). One or more submersible pumps ( 6 ), as they are known from the washer beni, spray via a spray system ( 7 ) Ca (OH) 2 into the exhaust gases, which flow through the upper reaction chamber and prevent a baffle ( 8 ) the reaction product CaCO 3 is thrown out by the compression pressure of the engine. The pump ( 6 ) receives the request contact from the ignition lock. A check valve ( 5 ) ensures that not too much lime water can react with CO 2 from the air. The CaCO 3 is emptied through the emptying valve ( 3 ).

Anmerkungannotation

Es wäre wünscheswert, für beide Anwendungsmöglichkeiten Sprühsysteme zu entwickeln, die es erlauben, die wesentlich höher konzentrierte Kalkmilch zu versprühen, ohne daß die Systeme verstopfen.It would be desirable to use spray systems for both applications to develop that allow the much more concentrated Spray lime milk without clogging the systems.

Claims (12)

1. Verfahren zur Reduktion von CO2 aus Gasfeuerungsanlagen dadurch gekennzeichnet, daß ein Behälter (1), mit einer Pumpe (2) über eine Rohrleitung mit Sprühköpfen (3), die in einem Reaktionraum (4) untergebracht sind, verbunden ist. Fig. 11. A method for reducing CO 2 from gas combustion systems, characterized in that a container ( 1 ) with a pump ( 2 ) via a pipe with spray heads ( 3 ), which are housed in a reaction chamber ( 4 ), is connected. Fig. 1 2. Verfahren zur Reduktion von CO2 nach Anspruch 1 dadurch gekennzeichnet, daß der Boden des Reaktionsraumes (4) als Klappe (7) ausgebildet ist. Fig. 12. A method for reducing CO 2 according to claim 1, characterized in that the bottom of the reaction chamber ( 4 ) is designed as a flap ( 7 ). Fig. 1 3. Verfahren zur Reduktion von CO2 nach Anspruch 1 dadurch gekennzeichnet, daß dem Reaktionsraum (4) ein Abgas-Wärmetauscher (9) vorgeschaltet ist. Fig. 13. A method for reducing CO 2 according to claim 1, characterized in that the reaction chamber ( 4 ) is preceded by an exhaust gas heat exchanger ( 9 ). Fig. 1 4. Verfahren zur Reduktion von CO2 nach Anspruch 2 dadurch gekennzeichnet, daß sich in der Bodenklappe (7) des Reaktionsraumes (4) ein Rohr -oder Schlauchanschluß befindet, der mit einen Behälter (6) verbunden ist.4. A method for reducing CO 2 according to claim 2, characterized in that in the bottom flap ( 7 ) of the reaction chamber ( 4 ) there is a pipe or hose connection which is connected to a container ( 6 ). 5. Verfahren zur Reduktion von CO2 nach Anspruch 1 dadurch gekennzeichnet, daß eine Pumpe (2) auf dem Behälter (1) angebracht ist, oder als Tauchpumpe sich im Behälter (1) befindet.5. A method for reducing CO 2 according to claim 1, characterized in that a pump ( 2 ) on the container ( 1 ) is attached, or as a submersible pump in the container ( 1 ). ZusatzansprücheAdditional claims Anwendungstechnische Konstruktion Fig. 2Application engineering Fig. 2 6. Verfahren zur Reduktion von CO2 dadurch gekennzeichnet, daß in der Stoßstange eines PKW ein Reaktionsraum (10) untergebracht ist, der über eine Rohrschleife (14) mit dem Auspuffsystem (19) verbunden ist.6. A method for reducing CO 2, characterized in that a reaction chamber ( 10 ) is housed in the bumper of a car, which is connected via a pipe loop ( 14 ) to the exhaust system ( 19 ). 7. Verfahren zur Reduktion von CO2 nach Anspruch 6 dadurch gekennzeichnet, daß sich im Reaktionsraum (10) eine, oder mehrere Pumpen (16) befinden.7. A method for reducing CO 2 according to claim 6, characterized in that one or more pumps ( 16 ) are in the reaction chamber ( 10 ). 8. Verfahren zur Reduktion von CO2 nach Anspruch 7 dadurch gekennzeichnet, daß die Pumpe (16) mit einem Sprühsystem (17) verbunden ist.8. A method for reducing CO 2 according to claim 7, characterized in that the pump ( 16 ) is connected to a spray system ( 17 ). 9. Verfahren zur Reduktion von CO2 nach Anspruch 6 dadurch gekennzeichnet, daß am Ende des Reaktionsraumes (10) ein Leitblech (18) schräg angebracht ist.9. A method for reducing CO 2 according to claim 6, characterized in that at the end of the reaction chamber ( 10 ) a baffle ( 18 ) is attached obliquely. 10. Verfahren zur Reduktion von CO2 nach Anspruch 6 dadurch gekennzeichnet, daß im Abgasauslaß eine Rückschlagklappe (15) befestigt ist.10. The method for reducing CO 2 according to claim 6, characterized in that a non-return valve ( 15 ) is attached in the exhaust outlet.
DE4038068A 1990-11-29 1990-11-29 Appts. for reducing carbon di:oxide emission for gas-fired plant or car - by spraying milk of lime into reaction zone Withdrawn DE4038068A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE4038068A DE4038068A1 (en) 1990-11-29 1990-11-29 Appts. for reducing carbon di:oxide emission for gas-fired plant or car - by spraying milk of lime into reaction zone

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DE4038068A DE4038068A1 (en) 1990-11-29 1990-11-29 Appts. for reducing carbon di:oxide emission for gas-fired plant or car - by spraying milk of lime into reaction zone

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DE4038068A1 true DE4038068A1 (en) 1992-06-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0888806A2 (en) * 1997-06-30 1999-01-07 Geopolimeri S.r.l. Preparation of inorganic flours from acid gases of combustion and alkaline industrial residuals
FR2924032A1 (en) * 2007-11-27 2009-05-29 Yngve Jakobsen DEVICE FOR MAINLY REDUCING THE CARBON DIOXIDE PRODUCED BY ALL INTERNAL COMBUSTION ENGINES AND THE ACTIVITY OF INDUSTRY

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0888806A2 (en) * 1997-06-30 1999-01-07 Geopolimeri S.r.l. Preparation of inorganic flours from acid gases of combustion and alkaline industrial residuals
EP0888806A3 (en) * 1997-06-30 1999-12-29 Geopolimeri S.r.l. Preparation of inorganic flours from acid gases of combustion and alkaline industrial residuals
FR2924032A1 (en) * 2007-11-27 2009-05-29 Yngve Jakobsen DEVICE FOR MAINLY REDUCING THE CARBON DIOXIDE PRODUCED BY ALL INTERNAL COMBUSTION ENGINES AND THE ACTIVITY OF INDUSTRY
WO2009077675A2 (en) * 2007-11-27 2009-06-25 Yngve Jakobsen Device for reducing mainly the carbon dioxide generated by any internal combustion engine and by industrial activity
WO2009077675A3 (en) * 2007-11-27 2009-10-01 Yngve Jakobsen Device for reducing mainly the carbon dioxide generated by any internal combustion engine and by industrial activity
JP2011505514A (en) * 2007-11-27 2011-02-24 インブ ジャコブセン Equipment for reducing most of the carbon dioxide produced by all internal combustion engines and industrial activities

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