CN2613144Y

CN2613144Y - Aerator

Info

Publication number: CN2613144Y
Application number: CNU022897720U
Authority: CN
Inventors: 简焕然
Original assignee: POLYVANE Corp
Current assignee: POLYVANE Corp
Priority date: 2002-12-10
Filing date: 2002-12-10
Publication date: 2004-04-28
Anticipated expiration: 2012-12-10

Abstract

The utility model discloses an oxygen aeration aerator which is provided with a pump, wherein the top of the pump is provided with a double layered vane, the external portion of the double layered vane is coated with a pump shell, the vane inlet of the low vane on the double layered vane is provided with an air pipe, the upper end of the air pipe goes out of the water level, when activating the pump to drive the double layered vane to rotate, and the air is pumped to the lower vane by the air pipe, partial water is pumped to the air pipe through filter eyes of the air pipe to be mixed with the air to the air-liquid fluid, then is exhausted from the lower vane and the lower outlet of the pump shell to form a gas liquid ejecting flow, further partial water is pumped from the vane inlet of the upper vane, flows through the vane outlet of the upper vane and the upper outlet of the pump shell and is exhausted to form a water ejecting flow, the high speed and stable upper water ejecting flow structure guides the lower gas and liquid ejecting flow moves forward, which can increase the time and distance that the foam stays in water and realizes the purpose of oxygen aeration aerator.

Description

The oxygenation aerator

Technical field

The utility model relates to a kind of oxygenation aerator, particularly a kind of two-layer equation impeller cooperates the oxygenation aerator of double-deck jet flow road pump case, guide the gas-liquid jet flow of lower floor to flow forward by high speed and solid upper water jet structure, can increase bubble and stay in time and distance in the water, realize the oxygenation aeration.

Background technology

Aquaculture factory is for improving the oxygen content of culturing pool, except that by traditional waterwheel, adopt submerged water pumping oxygenation or aeration at present mostly, as shown in Figure 1, its mode mainly is by pumping 10 collocation air conduit 20 extracting airs (as the dotted arrow path of icon), pumping 10 is extracted Chi Shui (as the solid arrow path of icon) by water inlet 11 simultaneously, air is with after Chi Shui mixes in impeller 12 places of pumping 10, through impeller 12 high speed rotating gas-liquid mixture fluid (as the frame type arrow path of icon) is sprayed in Chi Shuizhong by the outlet 13 of pumping 10 again, owing to promptly lose oxygenation effect after the contained bubble 15 of gas-liquid mixture fluid emerges, only remaining liquid jet 14, therefore constantly running of pumping 10 can continuously produce to keep bubble 15.

With regard to theoretical or actual with regard to, if bubble is longer or bubble is finer and closely woven in the time that Chi Shui stops, bubble is difficult for emerging, so more can improve the oxygen content of Chi Shui.So take a broad view of visible structure at present at the oxygenation aerator, as a kind of " full pond scanning type is aerator under water " (No. the 450021st, Taiwan patent announcement), a kind of " hydraulic type oxygen-increasing device " (No. the 399405th, Taiwan patent announcement), or as a kind of " aerator " (No. the 474331st, Taiwan patent announcement), a kind of " aerator water spray refractile body structural improvement " (No. the 467146th, Taiwan patent announcement) or the like, the improvement emphasis of aforementioned existing structure all is how to make bubble to be evenly distributed or keeps the smooth and easy of bubble path, then not having any concrete improvement mode as for how prolonging bubble time of staying in water, therefore failing to solve the main disappearance of oxygenation aeration at all.

Summary of the invention

Main purpose of the present utility model provides a kind of oxygenation aerator, especially refer to that a kind of two-layer equation impeller cooperates the oxygenation aerator of double-deck jet flow road pump case, guide the gas-liquid jet flow of lower floor to flow forward by high speed and solid upper water jet structure, can increase bubble and stay in time and distance in the water, realize the oxygenation aeration.

Secondary objective of the present utility model provides a kind of oxygenation aerator, and its air conduit can import water to be mixed with air, drives air by the gravity of water and power and sinks, and can avoid causing aspirating because of hydraulic pressure is too high situation less than air, is applicable to swimmer's pool.

The utility model is elaborated with instantiation below in conjunction with accompanying drawing.Certainly, the utility model or is allowed differently on some part in the arrangement of part, but selected embodiment then in this specification, is described in detail.Structure shown in the figure is the structure of the selected embodiment of the utility model, and only for the usefulness of explanation, the utility model is not subjected to this kind structural limitations for this.

Description of drawings

Fig. 1 is the illustrative view of traditional oxygenation aerator;

Fig. 2 is the cutaway view of preferred embodiment of the present utility model;

Fig. 3 is the cutaway view of another preferred embodiment of the utility model.

Drawing reference numeral explanation: 10-pumping; The 11-water inlet; The 12-impeller; The 13-outlet; The 20-air conduit; The 30-pumping; The 31-driving shaft; The upper strata impeller of 41-two-layer equation impeller; Lower floor's impeller of 42-two-layer equation impeller; 411,421-blade inlet; 412,422-blade exit; The 50-pump case; The outlet of 51-upper strata; The outlet of 52-lower floor; 511,521-water-cutting angle; The 60-filter bowl; 61-filters eye; The 70-air conduit; 71-filters eye; The 100-horizontal plane; The 170-air conduit; 171,171a, 171b-filter eye; At the bottom of the 200-pond; The A-jet water stream; B-gas-liquid jet flow.

Embodiment

See also Fig. 2, oxygenation aerator of the present utility model comprises:

One pumping 30, this pumping 30 are vertical state with driving shaft 31 and horizontal plane 100 WHATSOEVER and are arranged in the water, generally are to be arranged at the bottom of the pond of culturing the pond 200;

A pair of laminar impeller is arranged at pumping 30 tops, and it has a upper strata impeller 41 and lower floor's impeller 42, and this upper strata impeller 41 respectively has a blade inlet 411,421 and a blade exit 412,422 respectively with lower floor's impeller 42;

One pump case 50, be arranged at pumping 30 tops and cover at aforementioned two-layer equation impeller outside, it has upper strata outlet 51 and one lower floor outlet 52, this upper strata outlet 51 corresponds to the blade exit 412 of the upper strata impeller 41 of two-layer equation impeller, this lower floor's outlet 52 corresponds to the blade exit 422 of lower floor's impeller 42 of two-layer equation impeller, pump case 50 inside correspond to upper strata blade exit 412, lower leave exports 422 places and is provided with water-cutting angle 511,521, to impel the aqueous fluid of discharging and gas-liquid fluid can be really to export 51 by the upper strata of this pump case 50 by the upper strata impeller 41 of two-layer equation impeller and lower floor's impeller 42, lower floor exports 52 jet flows and goes out, in principle, this pump case 50 is to be a scrollwork pump case, the water-cutting angle 511 of pump case 50,521 export 52 places to upper strata outlet 51 and lower floor, form a flat diffusion runner;

One filter bowl 60, pump case 50 tops are set, filter bowl 60 has filter eye 61, these filter bowl 60 internal communication are in the blade inlet 411 of the upper strata of two-layer equation impeller impeller 41, water is before blade inlet 411 that enters upper strata impeller 41 and air conduit 70, can form filtration by 60 pairs of water of this filter bowl, in the present embodiment, this filter bowl 60 covers at filter eye 71 places of air conduit 70, and the filter eye 71 of air conduit 70 is coated in the filter bowl 60 fully, so, be drawn into the water of air conduit 60 inside can be after

filtration eye

61,71 double filtrations, with in the water as leaf, impurity filterings such as excreta;

One air conduit 70, be provided with filter eye 71 in tube wall, the lower end of this air conduit 70 is communicated with the blade inlet 421 of lower floor's impeller 42 of two-layer equation impeller, the upper end of air conduit 70 exceeds horizontal plane 100, in addition, can be by the clamping of aforementioned guard 60, concentric to keep this air conduit 70 with this two-layer equation impeller 40, guarantee that 40 runnings of two-layer equation impeller are smooth-going, can not produce interference;

When activating pumping 30, pumping 30 can drive the rotation of two-layer equation impeller, and with air via air conduit 70 suction lower floor impellers 42 (as the dotted arrow path of icon), part water is drawn in the air conduit 70 (as the fine line arrow path of icon) via the filter eye 71 of air conduit 70, be mixed into the gas-liquid fluid with air, again via lower floor's impeller 42, lower floor's outlet 52 of pump case 50 is discharged and is formed gas-liquid jet flow B, some water is drawn into via the blade inlet 411 of upper strata impeller 41 in addition, the flow through blade exit 412 of upper strata impeller 41, the upper strata outlet 51 of pump case 50 is discharged and is formed jet water stream A, and jet water stream A and gas-liquid jet flow B are the twice jet flow that is parallel to each other; By at a high speed and the gas-liquid jet flow B of the structure of solid upper water jet flow A guiding lower floor flow forward, and jet water stream A constitutes an obstruct face to gas-liquid jet flow B, can increase bubble and stay in time and distance in the water, improve water oxygen level, reach the purpose of oxygenation aeration.

See also Fig. 3, present embodiment and embodiment shown in Figure 2 different be in, the covering scope of the filter eye 171 that these air conduit 170 tube walls are set is wider, makes a part filter eye 171a expose to outside the guard 60, partly a filter eye 171b is coated in the guard 60; By this, when activating pumping 30 with air the time via air conduit 170 suction lower floor impellers 42 (as the fine dotted line arrow path of icon), part water is drawn in the air conduit 170 (as the thick dashed line arrow path of icon) via the filter eye 171a of air conduit 170, some water is via filter eye 61 in addition, filter eye 171b is drawn in the air conduit 170 (as the fine line arrow path of icon), simultaneously be mixed into the gas-liquid fluid with air, again via lower floor's impeller 42, lower floor's outlet 52 of pump case 50 is discharged and is formed gas-liquid jet flow B, some water is drawn into via the blade inlet 411 of upper strata impeller 41 in addition, the flow through blade exit 412 of upper strata impeller 41, the upper strata outlet 51 of pump case 50 is discharged and is formed jet water stream A, and jet water stream A and gas-liquid jet flow B are the twice jet flow that is parallel to each other; The main purpose of present embodiment design is, when the depth of water surpasses certain depth (about about five meters), if in the air conduit 170 air is only arranged, often air can't overcome hydraulic pressure and cause pumping 30 air can't be sucked in the two-layer equation impeller 40, therefore, design by present embodiment, can be when pumping 30 suction airs, partly water imports in the air conduit 170, gravity and power by water drive the air sinking, also can be drawn onto air even the depth of water surpasses five meters, quantity being set and height being set of this filter eye 171a changes according to air conduit 170 length or diameter difference; Similarly, present embodiment by at a high speed and the gas-liquid jet flow B of the structure of solid upper water jet flow A guiding lower floor flow forward, and jet water stream A constitutes an obstruct face to gas-liquid jet flow B, can increase bubble and stay in time and distance in the water, improve water oxygen level, reach the purpose of oxygenation aeration.

In sum, a kind of oxygenation aerator of the present utility model by at a high speed and the gas-liquid jet flow of solid upper water jet structure guiding lower floor flow forward, can increase bubble and stay in time and distance in the water, reach the purpose of oxygenation aeration.

The above only is preferred embodiment of the present utility model, can not be in order to limit actual practical range of the present utility model, all according to the various conversion of being done on above explanation and described structural feature of following claim and the function, the displacement of the change of numerical value or equivalent elements must be subordinate to category of the present utility model such as.

Claims

1, a kind of oxygenation aerator is characterized in that comprising:

One pumping; And

A pair of laminar impeller has a upper strata impeller and lower floor's impeller, and this upper strata impeller and lower floor's impeller respectively have a blade inlet and a blade exit respectively;

One pump case has upper strata outlet and lower floor outlet;

One air conduit is provided with the filter eye in tube wall;

Pumping is vertical state with driving shaft and horizontal plane WHATSOEVER and is arranged in the water, the two-layer equation impeller is arranged at the pumping top, pump case is arranged at the pumping top and covers at aforementioned two-layer equation impeller outside, the upper strata outlet of pump case corresponds to the blade exit of the upper strata impeller of two-layer equation impeller, lower floor's outlet of pump case corresponds to the blade exit of lower floor's impeller of two-layer equation impeller, the lower end of air conduit is communicated with the blade inlet of lower floor's impeller of two-layer equation impeller, and the water surface is stretched out in the air conduit upper end;

When activating pumping, pumping can drive the rotation of two-layer equation impeller, and with air via air conduit suction lower floor impeller, part water is drawn in the air conduit via the filter eye of air conduit and is mixed into the gas-liquid fluid with air, discharge via lower floor's outlet of lower floor's impeller, pump case again and form the gas-liquid jet flow, some water is drawn into via the blade inlet of upper strata impeller in addition, and the blade exit of the upper strata impeller of flowing through, the outlet of the upper strata of pump case are discharged and formed jet water stream; By at a high speed and the gas-liquid jet flow of solid upper water jet structure guiding lower floor flow forward, can increase bubble and stay in time and distance in the water, reach the oxygenation aeration.

2, oxygenation aerator as claimed in claim 1, wherein, this pump case top is provided with a filter bowl, and this filter bowl internal communication is in the blade inlet of the upper strata of two-layer equation impeller impeller; Water can form filtration to water by this filter bowl before blade inlet that enters the upper strata impeller and air conduit.

3, the described oxygenation aerator of claim 2, wherein, this filter bowl covers at the filter eye place of air conduit, and the filter eye of air conduit is coated in the filter bowl fully, makes the water that is drawn into air conduit inside through double filtration.

4, the described oxygenation aerator of claim 2, wherein, this filter eyeshade is located at the filter eye place of air conduit, the filter eye of part air conduit exposes to outside the guard, partly the filter eye of air conduit is coated in the guard, by this, makes the water that is drawn into air conduit inside through double filtration, the water of other part can directly expose to the outer filter eye of guard by air conduit and be drawn in the air conduit, and is downward by the air that hydrodynamic force drives in the air conduit.

5, oxygenation aerator as claimed in claim 1, wherein, this pump case inside corresponds to the upper strata outlet, the lower floor exit is provided with water-cutting angle, can be exported jet flow and be gone out by upper strata outlet, the lower floor of this pump case to impel the aqueous fluid and the gas-liquid fluid of being discharged by upper strata impeller and lower floor's impeller of two-layer equation impeller.

6, oxygenation aerator as claimed in claim 1, wherein, this air conduit is and the concentric person of this two-layer equation impeller.

7, oxygenation aerator as claimed in claim 1, wherein, this pump case is a scrollwork pump case, the water-cutting angle of pump case forms a flat diffusion runner to upper strata outlet and lower floor exit.