摘要:
The invention relates to a method for separating a gasoline fraction and an oil fraction from a cracking gas stream (S) in a primary fractionation column (1), the ratio of the amount of substance per time unit of the gasoline fraction (F) returned to the gasoline section (20) at the top (11) relative to the amount of substance per time unit of the cracking gas (S) fed to the oil section (21) is in a range of 1:16 to 1:10, preferably 1:12 to 1:10.
摘要:
The invention relates to a device for gassing liquids, in particular for aerating sewage and the like, comprising a lower housing element (1), which has a substantially round opening area and a gas inlet port (24), a disc-shaped upper housing element (10), corresponding to the opening area, for covering the opening area, the upper housing element (10) having an upper side (O) facing away from the lower housing element (1), and a number of gas through-openings (13) being provided in the vicinity of a peripheral edge of the upper housing element (10), passing through the upper side (O), and a perforated gassing membrane (19), covering over the upper side (O) of the upper housing element (10).
摘要:
A sparging system assembly (20) having an improved nozzle (24) for use in a flotation separation vessel or aeration device, for example, column (10). The sparging system assembly (20) of the present invention uses an elastomeric and resilient dick bill type check valve nozzle (24) to form the desired size of flotation bubbles in the vessel. The system further comprises an installation configuration and valving arrangement for the easy, efficient replacement of any worn or damaged elastomeric check valve type nozzle (24) during the operation of the flotation separation vessel or aeration device.
摘要:
Die Neuerung betrifft eine Vorrichtung zum Belüften von Wasser mit ebenen Membranen und mit einem Rückschlagventil in der Luftzuleitung, die verhindert, dass im abgeschalteten Zustand Wasser in die Zuleitung eintreten kann. Das Rückschlagventil ist derart angeordnet, dass es von der der Membran abgewandten Seite in den Rohrstutzen für die Zuluft einsetzbar ist.
摘要:
Es wird ein Boden-Verteiler für die Beaufschlagung elastischer Schläuche mit Gas für die Installation in Abwässerklärbecken geschaffen, der im wesentlichen einen Grund-Hohlkörper frei wählbarer Länge mit mindestens einem Anschlußstutzen für die Einleitung von Gas und mit mindestens einem Auslaßstutzen (5) zum Anschluß eines mit Gas zu beaufschlagenden Schlauches (2) umfaßt, wobei der Auslaßstutzen (5) in vertikaler Ebene verschwenkbar ist.
摘要:
A gas injection or aeration device, adapted to be immersed in a liquid and supplied with gas under pressure so that the gas emerges through diffusion nozzles of the device as a large quantity of small bubbles to form a liquid-gas mixture. The device includes a substantially vertically disposed riser tube which can be an open-ended conduit or can be defined, in use of the device, by a curtain of the rising bubbles. A sleeve, in which the nozzles are formed as apertures, expands under pressure of the gas supplied to admit the gas into the liquid and then contracts to partially or wholly close the nozzles when the gas supply is subsequently turned off. The nozzle aperture may comprise an elongate slit of generally corrugative form. An undertube may extend, in use of the device, below the nozzles to entrain liquid to rise towards the nozzles.
摘要:
Es wird eine Vorrichtung zur dosierten Diffusion von Gasen in Flüssigkeiten beschrieben, die insbesondere für die kleintechnische Anwendung in der Aquaristik Verwendung findet. Die Vorrichtung besteht im wesentlichen aus einem über eine Einlassvorrichtung mit Gas befüllbaren flüssigkeitsumspülten Diffusor, der in seinem unteren Bereich offen ist und über ein selbsttätig regelndes Druckregelventil (10) befüllt wird.
摘要:
Aerator for aerating water that comprises a distribution system (4) for distributing air below the water surface and a compressor (2) with an air inlet and at least one air outlet (23), whereby the compressor (2) is configured to be placed below the water surface by this compressor (2) being provided with a housing that prevents the infiltration of water into the compressor (2), whereby the infiltration of water at the air inlet is prevented by an intake pipe (3) being provided of which one open end is above the water surface and the other open end has a watertight connection to the compressor (2), whereby the infiltration of water at the air outlet (23) is prevented because the distribution system (4) has a watertight connection to the air outlet (23) and, due to its nature or by at least one valve, can hold back water and whereby the housing is in thermal contact with the water to cool the compressor (2), characterised in that the compressor (2) is a centrifugal compressor that comprises an impeller (21) that is driven by a shaft (17) that it is mounted on air bearings (24), magnetic bearings or both.