DE903446C - Bell bottom for exchange columns - Google Patents

Bell bottom for exchange columns

Info

Publication number
DE903446C
DE903446C DEF2861D DEF0002861D DE903446C DE 903446 C DE903446 C DE 903446C DE F2861 D DEF2861 D DE F2861D DE F0002861 D DEF0002861 D DE F0002861D DE 903446 C DE903446 C DE 903446C
Authority
DE
Germany
Prior art keywords
bell
exchange columns
gap
bell bottom
flat
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.)
Expired
Application number
DEF2861D
Other languages
German (de)
Inventor
Dr-Ing Karl Sigwart
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.)
Bayer AG
Original Assignee
Bayer AG
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
Priority claimed from DEI66589D external-priority patent/DE744364C/en
Application filed by Bayer AG filed Critical Bayer AG
Priority to DEF2861D priority Critical patent/DE903446C/en
Application granted granted Critical
Publication of DE903446C publication Critical patent/DE903446C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
    • B01D3/20—Bubble caps; Risers for vapour; Discharge pipes for liquid
    • B01D3/205—Bubble caps

Description

Glockenboden für Austauschsäulen Zusatz zum Patent 744 364 im Patent 744 364 ist eine Flachglocke beschrieben, deren Anwendung dadurch ermögl icbt wurde, daß am Rande von kaminlosen kampfdurchtrittsöffnungen in den Kolonnenböden angeordnete. in den die Öffnungen abdeckenden Glocken vorgesehen@ rechteckige Schltze gleichzeitig groß genug bemessen werden konnten, um genügend kleine Druckverluste zu ergeben und andererseits klein genug, um genügend kleine Mindestbelastungen zu ermöglichen.Bell bottom for replacement columns Addition to patent 744 364 in the patent 744 364 describes a flat bell, the use of which was made possible by that arranged on the edge of chimney-less battle passage openings in the column trays. in the bells covering the openings @ rectangular slots are provided at the same time could be made large enough to result in sufficiently small pressure drops and on the other hand small enough to allow sufficiently small minimum loads.

Es hat sich nun überraschenderweise gezeigt, daß eine weitere Verminderung der Druckverlust erzielt werden kann, ohne daß die Mindestbelastungen im selben Maße steigen, enn die Flachglocke derart über der kaminlosen Bodenöffnung befestigt ist, daß zweischen Glocke und Boden ein Spalt bestehenbleibt, Um allen Betriebsbedingungen gerecht zu werden, ist die Befestigung der Flachglocke zweckmäßig so eingerichtet, daß die Spaltbrei@ zwischen Glocke und Boden verändert werden kann. It has now been shown, surprisingly, that a further reduction the pressure loss can be achieved without the minimum loads in the same Dimensions increase when the flat bell is attached in this way over the chimney-free floor opening is that there is a gap between the bell and the bottom, in order to meet all operating conditions To be fair, the fastening of the flat bell is appropriately set up in such a way that that the gap @ between the bell and the bottom can be changed.

Wie Versuche zeigten, ging beispielsweise bei einer Spalthöhe von der Breite der glockenschlitze der Druckverlust des trockenen Flachglockenbodens auf die Hälfte zurück, während die zulm Dicht- halten der Glocken gegen Flüssigkeit notwendige Mindestdampfgeschwindigkeit, d. h. also die untere Bel. a, st, ungsgrenze, nur um 10% gegenüber derjenigen der direkt auf dem Boden sitzenden Flachglocke anstieg. As tests have shown, for example, with a gap height of the width of the bell slots is the pressure loss of the dry flat bell base back to half, while the permissible sealing hold the bells minimum vapor velocity required against liquid, d. H. so the lower one Bel. a, st, limit of only 10% compared to that of directly on the ground seated flat bell rose.

Auch bei einer Spalthöhe zwischen Glocke und Boden von der doppelten Schlitzbreite stieg die Mindestbelastung nur auf das Doppelte, während der Druckverlust des Bodens auf den dritten Teil zurückging. Even if the gap between the bell and the base is twice as high Slot width, the minimum load only doubled, while the pressure loss of the floor went back to the third part.

Eine Veränderung bzw. Einstellung der Spaltbreite zwischen Glocke und Boden kann in beliebiger an sich bekannter Weise (z. B. Abschleifen der Füße oder durch Unterlegen von Scheiben unter diese) erfolgen. A change or setting of the gap width between the bell and soil can be used in any manner known per se (e.g. grinding the feet or by placing panes underneath them).

Claims (2)

PATENTANSPRÜCHE : I. Boden für Austauschsäulen nach Patent 744 364, dadurch gekennzeichnet, daß die Flachglocke derart über der kaminlosen Bodenöffnung befestigt ist, daß zwischen Glocke und Boden ein Spalt bestehenbleibt. PATENT CLAIMS: I. Base for exchange columns according to patent 744 364, characterized in that the flat bell in such a way above the chimney-free floor opening is attached that there is a gap between the bell and the bottom. 2. Boden für Austauschsäulen nach Anspruch I, dadurch gekennzeichnet, daß die Spaltbreite zwischen Glocke und Boden veränderlich bzw. einstellbar ist. 2. Floor for replacement columns according to claim I, characterized in that that the gap width between the bell and the bottom is variable or adjustable.
DEF2861D 1940-02-27 1941-05-25 Bell bottom for exchange columns Expired DE903446C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEF2861D DE903446C (en) 1940-02-27 1941-05-25 Bell bottom for exchange columns

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEI66589D DE744364C (en) 1940-02-27 1940-02-27 Floor for exchange columns
DEF2861D DE903446C (en) 1940-02-27 1941-05-25 Bell bottom for exchange columns

Publications (1)

Publication Number Publication Date
DE903446C true DE903446C (en) 1954-02-08

Family

ID=25973685

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF2861D Expired DE903446C (en) 1940-02-27 1941-05-25 Bell bottom for exchange columns

Country Status (1)

Country Link
DE (1) DE903446C (en)

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