DEVICE FOR THE VENTILATION OF WATERS

The invention refers to a device for the ventilation of waters with a water-operated vacuum pump, their discharge nozzle itself under the Wasserspiege! waters finds and the ambient air sucks in and mixed with this Wasserstrablpumpe the supplied pressure water, and with a channel-like formed fine-perforated covering, which is arranged under the water level S and surrounds a subrange of waters which can be ventilated, into which inside the leaking out jet of the water-operated vacuum pump is arranged, and which is covered upward by one also under the water level arranged elongated hood from hermetic material. A device of aforementioned kind can be used both for ventilating natural waters, and ponds, lakes or watercourses, and for ventilating water-filled basins od.dgl., a which component of purification plants can be. That the water-operated vacuum pump under relatively high pressure supplied pressure water is also mixed thereby in the discharge nozzle of this pump by this pump of sucked in ambient air intimately, whereby favorable conditions for the admission of this air are created into the water. After the withdrawal the kind of such with air Wasserstrabls from the discharge nozzle of the water-operated vacuum pump shifted are present with it air in form of finest vesicles in the water. The fine-perforated covering, into which inside the leaking out jet of the water-operated vacuum pump is arranged, is able to extend thereby the life span of these small air vesicles substantially, whereby the oxygen admission of the water is increased, and a however times intensification of the contact of air with the water, available in the vesicles, results in the case of passing through the small air vesicles the fine-perforated covering. Then free escaping of the Luftbläschea preventing hood promotes also the admission of the oxygen contained in the air vesicles by the water. It is now a goal of the invention of creating a device initially mentioned kind with which a further substantial improvement of the ventilation effect and concomitantly a further improvement of the utilization of the energy spent on the enterprise of the water-operated vacuum pump are attainable. The device according to invention initially mentioned kind is characterized by that the roofridge range of the channel-like formed covering runs at least in a section of the longitudinal extending of this covering, toward the effusion from the discharge nozzle seen, sloping. From this structure a clear increase of the oxygen admission of the water results from air brought with the water-operated vacuum pump into the water, how these vortei! - cling to effect, which to a better utilization for bringing air into the wet leads spent energy, is probably going by explainable that from this training of the covering in the range of the water under the influence of the effusion of the water-operated vacuum pump on the one hand and under the influence of the ascending air vesicles, surrounded by the covering, on the other hand, which are turned back by the covering configuration something in opposite direction for the jet of the water-operated vacuum pump a current results, which favours the oxygen admission. The improvement the oxygen admission attainable by this configuration of the covering depends on the kind and on the quantity of the foreign matter contained in the water which can be ventilated. Improvements of the oxygen admission of over 20% could be determined. In particular for the ventilation of natural waters, whose water is poor oxygen, an execution form is favourable, which is characterized by that sloping running section of the Hü! le, toward the effusion from the discharge nozzle seen, on a section, in that the roofridge range of the Hü! le to the water level rising runs, 4S follows, and that preferably the roofridge range to that the channel-like formed fine-perforated covering it over-roof-ends hood over both sections of the covering one from the discharge nozzle seen easily rising process has. The training of the hood preferably intended thereby, which promotes a sequential movement air vesicles of the passed through the covering, affects itself in many cases favourably in a particularly good oxygen admission of the water. Particularly for the employment for the ventilation of natural waters it is further favourable, if one plans that the hood and the fine-perforated covering arranged under it are attached at an elongated trained Scbwimmkörper, which possesses several floodable chambers. This training makes possible it to stop through according to proportioned flooding of the chambers of the flotation chamber the position and the Winkellage in a simple manner the hood and the fine-perforated covering arranged under it according to the operational behaviour wished in each case and/or to lower the hood and the fine-perforated covering exhibiting aggregate gewünschtenfalls also to the reason of waters concerned. It can be worked against thereby by flooding of the chambers of the swimming beetle aimed accordingly also to a possible, by accumulation of air vesicles within the fine-perforated covering and/or underneath the hood developing lift. Wants one if possible even ventilation large water volume to obtain, I0 plans one favourably execution form, which thereby marked is that the water-operated vacuum pump the one which can be supplied the pressure water from waters in a place, which can be ventilated, which from the discharge nozzle a distance has, which is as large several times as the length of the hood it is sucked in and by means of a line and a printing pump of the water-operated vacuum pump supplied, whereby with an employment of the device in a flowing waters the sucking in place is placed by the water-operated vacuum pump downstream. It can be mentioned that the DE-OS 2133352 and the DE-OS describe 2357683 techniques for the ventilation and/or oxygenisation of Gewässera, with those air or oxygen over Rohroder hose lines, which are provided with porous or feinlöchrigen discharge openings, into which waters which can be ventilated is introduced. With these techniques air and/or the oxygen is brought directly in form of smaller or larger vesicles into waters and subjected to no further influences more. With it no bringing in air with a water-operated vacuum pump and no influence of the aerial photo of the water of waters with a channel-like formed covering are present. With in the FR-PS Nr.2.382.404 described technology a water-operated vacuum pump is used, in order to form an air water mixture, which is used for bringing air into waters which can be ventilated, but it is intended in accordance with these FR-PS a box, which is only angespeist from the water-operated vacuum pump with water, so that in this box no transition of air supplied with the water-operated vacuum pump to the water of waters which can be ventilated takes place. Only after the withdrawal from the box the water air mixture supplied with the water-operated vacuum pump blends itself with the water of waters which can be ventilated. Also with this technology no covering is present, which affects the water within this range of waters. The invention is continued to describe now on the basis the designs of represented examples. In schematiseh the designs held show: Fig.1 a first remark example of a device according to invention in the profile and Fig.2, also in the profile, remark variation in type. During the device represented in Fig.1 is a water-operated vacuum pump --1-- planned, their discharge nozzle --2-- itself under the water level --3-- waters which can be ventilated finds. The water-operated vacuum pump --1-- sucks by over the water level --3-- exceeding pipe --4--, that at its upper end a noise-deadening filter head --5-- , ambient air offers and mixes it with that the water-operated vacuum pump to the enterprise supplied pressure water. The pressure water becomes thereby from a centrifugal pump --6-- supplied, those with an electric motor --7--, that over the water level --3-- is arranged, one propels. Of the centrifugal pump --6-- under pressure set water from waters at one of the device, which can be ventilated, relatively far removed place sucked in and via a piping --8-- the centrifugal pump --6-- supplied. With the employment of this device in a flowing waters the sucking in place for that becomes the water-operated vacuum pump --1-- pressure water, of that to the centrifugal pump, which can be supplied --6-- prominent line --8-- proceeds, downstream from the water-operated vacuum pump --1-- placed, so that a list is present, how it is outlined in Fig.1, if one accepts the current of waters according to the arrow 9. The device is further with a channel-like formed covering --10-- provided, which consists of a finely perforated material, z.8 a close plastic net with a mesh size from about 0.5 to 1 mm, or of an appropriate filter plate. From the discharge nozzle --2-- the water-operated vacuum pump --1-- withdrawing jet is in from the channel-like formed covering --10-- surrounded area inside arranged. The covering --10-- is upward from one also under the water level --3-- arranged elongated hood --11--, those from hermetic material, like e.g. sheet metal, exists, überdaeht. The roofridge range --12-- the channel-like covering --10-- has, toward the effusion from the discharge nozzle, symbol-light by the arrow 14 --2-- seen, sloping process. With the remark example of a device according to invention represented in Fig.2 is the fine-perforated covering --10-- and the hood --11-- at a Sehwimmkörper --16-- attached, the several separately from each other floodable chambers --17, 18, 20, 21-- exhibits. These chambers are with flow valves --22-- and bleed valves --23-- equipped, so that the lift of each individual chamber can be specified be adjusted and thus the situation, which takes the device swimming in the water. The covering --10--, those in form of a Tragkcrbes --25--, that with a fine-mesh plastic lattice --26-- , is trained, and the hood is covered --11--, which is compound from curved plastic plates, are in detail at props --27--, those of the flotation chamber --16-- are away downward and the connection to a support frame --28-- manufacture and at this support frame --28-- fastened. By appropriate flooding of the chambers of the flotation chamber --16-- the lift of the device can be decreased so far that the device with the support frame --28-- at the reason of waters concerned to stand comes. To from the float --! 6--, the props --27-- and the support frame --28-- existing rack of the device also the water-operated vacuum pump is with the remark example represented in Fig.2 --1-- as well as the centrifugal pump feeding this water-operated vacuum pump with pressure water --6--, which in the available case in form of a multi-level submersible motor-driven pump, those with the electric motor --7-- to a construction unit in an integrated way is attached. To this construction unit 2s is a suction tube --8-- attached, which leads to a suction place remote of the device. Those the water which can be added air becomes the water-operated vacuum pump --1-- over the Luftansaugrohr --4--, its upper end with a silencing filter head --5-- taken off is supplied. The discharge nozzle --2-- the water-operated vacuum pump --1-- is elongated trained and has a gradually extending diameter, whereby the length of this discharge nozzle --2-- is larger than the 5lache of its middle diameter, and it is this training for the admission in that the water supplied air of oxygen present by the water of advantage. With the remark example represented in Fig.2 the fine-perforated covering has --RST-- of their within the range of the water-operated vacuum pump --1-- convenient end --30-- beginning, toward the effusion from the discharge nozzle --2-- seen, first a first section --31-- --12-- to the water level --3-- rising runs, and after it a further section follows --32-- the covering --10-- --12-- a sloping process has. Also this is for as good an admission of the oxygen as possible, that in that the water with the water-operated vacuum pump --1-- supplied air is present, by the water of advantage. The roofridge range --15-- that the fine-perforated covering --10-- over-roof-end hood --IL-- has over both sections --31, 32-- the covering --10-- one of the discharge nozzle --2-- out seen easily rising process, and is at that the discharge nozzle --2-- far end --33-- the hood --11-- downward a höhenverstellbares Staublech rising up of the roofridge range of the hood --34-- arranged, which a part of the cross section --35-- of the hood --11-- covered tree locks and thus escaping the air vesicles, which depress themselves after through the perforations of the covering --10-- under the hood --IL-- collected, retarded. By appropriate adjusting of the Staubleches --34-- thereby diverting can under the hood --11-- accumulated air, which already delivered a large part of its oxygen to the water, to be proportioned.