CN2583977Y

CN2583977Y - Impeller device of automatic aerator

Info

Publication number: CN2583977Y
Application number: CN02285309U
Authority: CN
Inventors: 刘良
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-11-05
Filing date: 2002-11-05
Publication date: 2003-11-05
Anticipated expiration: 2012-11-05

Abstract

The utility model relates to an impeller device of an oxygen increasing machine, which comprises an impeller hub (1) fixedly connected with a rotating axle (2) of a driving device and a cylindrical conduit (3) which is arranged in a coaxial mode with the impeller hub (1), a plurality of outer blades (4) fixed on the outer wall of the cylindrical conduit (3) and a spiral plate (5), wherein at least one plate surface of the spiral plate (5) is arranged along a streamline through which an air current flows, and the inner side edge and the outer side edge of the spiral plate (5) are respectively and fixedly connected with the outer circular wall of the impeller hub (1) and the inner wall surface of the cylindrical conduit (3); thus, a spiral slot path (6) is formed. Technical effects which can save more electricity, obtain farther extending stroke and effectively refine more air bubbles than the prior art are realized by the improvement of the structure.

Description

The oxygen increasing machine impeller device

Technical field

The utility model relates to a kind of oxygen increasing machine impeller device, specifically the improvement of the diving oxygen increasing machine impeller device that existing breed and water treatment are used.

Background technology

In the prior art, push away water, jet operating efficiency for what improve impeller unit on the diving aerator, adopt conduit and on the conduit inside and outside wall, be provided with respectively in the technical scheme of outer leafs had many pieces of patent documentations to put down in writing.As the diving aerator propeller set of being put down in writing at Chinese patent literature CN2392369Y that paddle aerator and CN2441312Y put down in writing.Wherein the paddle aerator that CN2392369Y put down in writing comprises the main frame bearing support that is fixed on the buoyancy aid, the transmission the tip of the axis of electromotor is provided with the cavity impeller of lower end closed, the inner chamber of described impeller hub is provided with helical form gas blade, the impeller hub appearance is provided with the helical form wiper blade, and its main frame and motor shaft are obliquely installed on the main frame bearing support; The stage casing of power transmission shaft is provided with the air inlet sleeve pipe.The cavity impeller of this paddle aerator is inside and outside twi-tier blade, and gas-vapor mix is abundant, and dissolved oxygen amount is big, and is provided with the guiding water drum, makes the current directed flow.But, cavity impeller in this technical scheme is owing to seal in the lower end, therefore the air that is inhaled in the cavity is radially discharged by the fumarole that is arranged on the wheel hub under the effect of gas blade, and under the effect of wiper blade, mix with water rapidly and then dissolve in the water, make that thus the major part of gas is that outer surface at wheel hub mixes with water and dissolves in the water.Scatter though its wiper blade can further push away the gas-vapor mix body, the diffusion effect of gas-vapor mix body is unsatisfactory.And in the diving aerator propeller set that CN2441312Y put down in writing, comprise that blade, hub and interior hub constitute, blade is fixedly installed on the outside of hub, fixedly connected with the inner face of hub by the brace that is connected with its fixed outside with the interior hub that motor output shaft is fixedly connected, hollow space in this hub forms negative pressure chamber, and above-mentioned brace is arranged to the interior blade consistent with the blade hand of spiral.The place ahead of blade is sealing in this technical scheme, and air is pushed to the place ahead under the effect of interior blade, and mixes with water in its place ahead.Because air is directly forwards to release, so its rise is far away relatively, the scope of gas-vapor mix is also bigger, the uniformity also can be more better.But the interior blade in the technique scheme must increase the consumption of power at work; And blade makes the constantly mutual fierceness of bubble that pushes in the water collide in rotary course in the said equipment, and refinement effectively.

In addition, along with the further raising of expanding economy, socialization division of labor degree, monolithic is cultured the waters and is little by little being become big, and the waters of bulk area needs in time to handle.Therefore need a kind of impeller unit more economical, can the rise of inhaled air is farther.

The technology contents of utility model

For this reason, the purpose of this utility model is to propose a kind of oxygen increasing machine impeller device, and it is by improvement structurally realizes than more power saving of prior art to above-mentioned prior art, rise is farther and make the refinement effectively of more bubble.

For realizing above-mentioned utility model purpose, oxygen increasing machine impeller device of the present utility model comprises a wheel hub, is used for fixedlying connected with the turning cylinder of a drive unit; A cylindric conduit, itself and described wheel hub are provided with coaxially; Several outer blades, it is fixed on the outer wall of described tubular conduit; And at least one spiral plate, its plate face roughly longshore current through the streamline setting of air-flow, fixedly connected with the cylindrical wall of described wheel hub in its inside edge, and its outer ledge is fixedlyed connected with the internal face of described cylindric conduit, forms the helical form conduit thus between the internal face of the cylindrical wall of described wheel hub, described cylindric conduit.

Wherein, the lead angle of described helical form conduit is 45 °.

Best, the quantity of described spiral plate is three.

Technique scheme of the present utility model has the following advantages compared to existing technology: because described spiral plate forms the shape of helical form conduit between the internal face of the cylindrical wall of described wheel hub, described cylindric conduit, particularly when its lead angle is 45 ° of left and right sides, under predetermined rotating speed, described spiral plate except that and air-flow between produce the frictional resistance, basically do not consume any power, thereby reached the effect of conserve energy; Under the inducing of the frictional force between described spiral plate and air-flow, flow out the air-flow that enters the water from the lower end of described cylindric conduit and formed eddy-currents clocklike, air-flow in this eddy-currents has certain directionality on the whole, thereby makes air-flow can be sent to farther place; Basically still be in the motion state of rule after the described eddy-currents of gas clocklike enters in the water, guaranteed to enter the bubble process of explosion refinement gradually in the water, and can not collide, merge final rise backwater surface mutually owing to erratic stirring makes bubble.

Description of drawings

For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below

Fig. 1 is the central fore-and-aft vertical plane figure of a most preferred embodiment of the present utility model;

Fig. 2 be of the present utility model embodiment illustrated in fig. 1 in, along the drawing in side sectional elevation of A-A line;

Fig. 3 is that one and half of embodiment illustrated in figures 1 and 2 cuts open stereogram.

Reference numeral wherein: 1-wheel hub, 2-turning cylinder, the cylindric conduit of 3-, the outer blade of 4-, 5-spiral plate, 6-helical form conduit.

Embodiment

A kind of oxygen increasing machine impeller device as shown in Figure 1 to Figure 3 comprises that is used for a wheel hub 1 of fixedlying connected with the turning cylinder 2 of a drive unit; A cylindric conduit 3, itself and described wheel hub 1 are provided with coaxially; Several are fixed on the outer blade 4 on the outer wall of described tubular conduit 3; And the spiral plate 5 that is provided with through the streamline of air-flow of three plate face longshore currents, fixedly connected with the cylindrical wall of described wheel hub 1 in its inside edge, and its outer ledge is fixedlyed connected with the internal face of described cylindric conduit 3, forms helical form conduit 6 thus between the internal face of the cylindrical wall of described wheel hub 1, described cylindric conduit 3.The lead angle of described helical form conduit 6 is 45 °

In the course of the work, a drive unit drives the wheel hub 1 that is fixed on the oxygen increasing machine impeller device on the described turning cylinder 2 by its turning cylinder 2 (dotting in the accompanying drawing) and rotates, and then drives whole oxygen increasing machine impeller device rotation.The outer blade of described oxygen increasing machine impeller device forms an area of low pressure in the lower end of described cylindric conduit 34 this moments.Under the influence of this area of low pressure, near causing water body forms upper end from described cylindric conduit 3 outside wall surface in the trend that flows in the lower end, also the inside from top to down of air from described cylindric conduit 3 is sucked.The streamline of air-flow that enters the inside of described cylindric conduit 3 is spiral with respect to described cylindric conduit 3 internal faces.Therefore the utility model can not produce stirring to air-flow at work along the spiral plate 5 of the streamline setting of air-flow.And rubbing action takes place between the air-flow of only can and flow through.Like this, when air flow is flowed through the inside of described cylindric conduit 3, owing to rub with the surface of described spiral plate 5, thereby under the inducing action of such frictional force, form eddy-currents clocklike.Air-flow in this eddy-currents has certain directionality on the whole, thereby makes air-flow can be sent to farther place; Basically still be in the motion state of rule after the described eddy-currents of gas clocklike enters in the water, guaranteed to enter the bubble process of explosion refinement gradually in the water, and can not collide, merge final rise backwater surface mutually owing to erratic stirring makes bubble.

Oxygen increasing machine impeller of the present utility model is normally worked under certain operating mode, generally need in the work engineering, not adjust rotating speed, thereby obviously can design different rotating speeds, and design the lift angle of described helical form conduit 6 under this operating mode in view of the above according to different operating modes.By to the investigating of the use working environment of domestic oxygen increasing machine impeller, and be that it is best state that the lift angle of helical form conduit 6 is 45 ° through the conclusion that test draws.

Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.

Claims

1. an oxygen increasing machine impeller device comprises

A wheel hub (1) is used for fixedlying connected with the turning cylinder (2) of a drive unit;

A cylindric conduit (3), itself and described wheel hub (1) are provided with coaxially; And

Several outer blades (4), it is fixed on the outer wall of described tubular conduit (3);

It is characterized in that:

At least one spiral plate (5), its plate face roughly longshore current through the streamline setting of air-flow, fixedly connected with the cylindrical wall of described wheel hub (1) in its inside edge, and its outer ledge is fixedlyed connected with the internal face of described cylindric conduit (3), forms helical form conduit (6) thus between the internal face of the cylindrical wall of described wheel hub (1), described cylindric conduit (3).

2. oxygen increasing machine impeller device as claimed in claim 1, the lead angle that it is characterized in that described helical form conduit (6) is 45 °.

3. oxygen increasing machine impeller device as claimed in claim 1 or 2, the quantity that it is characterized in that described spiral plate (5) is three.