CN2793063Y

CN2793063Y - Impelling aerator

Info

Publication number: CN2793063Y
Application number: CNU2005201026522U
Authority: CN
Inventors: 唐荣成; 方向
Original assignee: NINGBO DE'AN CITY ECOLOGICAL TECHNOLOGY Co Ltd
Current assignee: Zhejiang Dean Technology Co., Ltd.
Priority date: 2005-06-03
Filing date: 2005-06-03
Publication date: 2006-07-05
Anticipated expiration: 2015-06-03

Abstract

The utility model relates to an impelling aerator which comprises a motor (1), an air inlet pipe (9) and a propeller (8), wherein the motor (1) is fixed with the screw propeller (8) through an output shaft (5). The utility model is characterized in that an air guiding pipe (6) is arranged between the air inlet pipe (9) and the propeller (8), and the lower end of the air guiding pipe (6) is provided with a composite bearing (7). The external hub (82) of the propeller (8) is covered on the composite bearing (7), and the output shaft (5) of the motor is fixed with the inner hub (83) of the propeller through the air guiding pipe (6) and the composite bearing (7). An air suction path is formed by the air inlet pipe (9), the air guiding pipe (6), a ventilation cavity (74) of the composite bearing (7), and inner cavities (86, 84) of the external hub of the propeller (8). The utility model has the advantages that the output shaft, the composite bearing and the propeller are mutually connected, and the phenomenon of right and left movement of the propeller can be effectively avoided when the propeller is turned at a high speed, so the work efficiency of the propeller is greatly enhanced. The motor of the utility model can be arranged on a water surface, the size of the motor can be selected according to the size of the required oxygen supply area, and thus, the use range is wide.

Description

A kind of pusher aerator

Technical field

The utility model relates to the aerator in the water treatment field, especially refers to a kind of pusher aerator.

Background technology

At present in the sewage purification industry, the aerator of the oxygenation that is used for feeding water is widely used.The Chinese utility model patent that is 00219059.1 and is called " electronic plugflow aeration machine " as the patent No. discloses a kind of aerator, its structure is for comprising submersible machine, impeller and inlet pipe, it is characterized in that described impeller is made up of at least two blades, wheel hub, airway and two disc at least, blade ring is fixed around the airway outer rim, the rotation center position of wheel hub in disc is fixed on airway, wheel hub links to each other with the output shaft of submersible machine, and airway is communicated with inlet pipe and constitutes air intake passage.Its shortcoming of this structure is, at first be that impeller directly links to each other with output shaft, its whole health is to rely on output shaft to determine center of gravity, so when driven by motor impeller high speed rotating, impeller is vacillated now to the left, now to the right and unsettled rotation phenomenon with regard to unavoidably occurring, thereby reduce the working efficiency of impeller, and can have influence on the working life of loom; Next is that this structure can only be made submerged condition and uses, and power is limited and can not be suitable for the usefulness in pool and big pond, so its structure awaits to improve.

Summary of the invention

Technical problem to be solved in the utility model be a kind of reasonable in design, sound construction is provided at above-mentioned prior art present situation, running is stable and the high pusher aerator of oxygenation efficient.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this push type aerator, include motor, inlet pipe and water screw, described motor fixes by output shaft and water screw, lower end oral area and the extraneous outer hub intracavity inter-connection that communicates in inlet pipe and the water screw, it is characterized in that being provided with airway between described inlet pipe and the water screw, the lower end of airway is provided with composite bearing, and the outer hub of described water screw is that cover cap is on the composite bearing middle and lower part, the output shaft of described motor penetrates in the airway, and pass composite bearing be positioned at its below the water screw hub fix, described inlet pipe links to each other with the sidewall on airway top, and the airway lower end is connected with the venting cavity that is positioned at composite bearing, and the outer hub intracavity inter-connection of this venting cavity and water screw.

As improvement, described composite bearing can be selected to be made up of urceolus, plate muscle and inner core, and urceolus is fixed together by plate muscle and inner core, and described venting cavity is the space between the plate muscle and plate muscle in urceolus.

Above-mentioned motor can be selected to be fixed on the permanent seat, and the lower end of permanent seat and the upper end of airway fix, the rotating shaft of motor and a shaft coupling fix, and through hole in the permanent seat is passed in the upper end of described output shaft and the lower end of shaft coupling fixes, thereby it is wider to reach use range, and power can be with the need and the purpose of regulating.

Connect for convenience, the interior hub in the lower end of described output shaft and the water screw interconnects by screw.

Compared with prior art, advantage of the present utility model is, at first be because of adopting output shaft and composite bearing and water screw to interconnect, the phenomenon that makes water screw when high speed rotating, avoid water screw to swing effectively, thus improve the working efficiency of water screw significantly; Secondly motor of the present utility model can be arranged on the water surface, can select motor and water screw size according to required oxygen supply area size, thereby it is wider that it is made; It is easy for installation to be that aerator of the present utility model also has once more, be convenient to safeguard, can also tiltable be installed vertically directly is installed in the water, when particularly tilting to be installed in the water, to have better, stronger plug-flow effect, help large-area water circulation and flow, avoid producing the dead angle, further improve aeration efficient.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment;

Fig. 2 is the enlarged view of I portion among Fig. 1;

Fig. 3 is the vertical view of Fig. 2;

Fig. 4 is the sectional view of Fig. 1 centre bearer;

Fig. 5 is the vertical view of Fig. 4.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, present embodiment includes motor 1, shaft coupling 2, permanent seat 3 and airway 6, motor 1 is fixed on the permanent seat 3, the upper end of described airway 6 links to each other with permanent seat 3, see shown in Figure 1, and its lower end and composite bearing 7 fix, and composite bearing 7 is made up of urceolus 71 and plate muscle 72 and inner core 73, see Fig. 4 and shown in Figure 5, fixed with each other by plate muscle 72 between urceolus 71 and inner core 73, and on plate muscle 72, have three venting cavities 74, see shown in Figure 5.In airway 6, be provided with output shaft 5, see shown in Figure 1, the through hole 21 that the upper end of output shaft 5 is passed in the permanent seat 3 links to each other with the lower end of shaft coupling 2, and the last carbonyl of shaft coupling 2 links to each other with machine shaft 11, and the lower end of output shaft 5 links to each other with water screw 8 for passing composite bearing 7.Described water screw 8 is made up of outer hub 82, interior hub 83, disc 85 and blade 81, see Fig. 2 and shown in Figure 3, and described blade 81 is distributed on the outer rim of outer hub 82, and the lower end of interior hub 83 and output shaft 5 tightens together mutually by screw 51, see shown in Figure 1, be distributed with disc 85 between hub 82 and the interior hub 83 outside, see shown in Figure 3, front end vestibule 86 (seeing shown in Figure 2) two portions that described outer hub inner chamber 84,86 has disc 85 and space 84 between the disc 85 to communicate with it promptly constitute, and the front end of front end vestibule 86 communicates with the external world.Connect an inlet pipe 9 in airway 6 upper side, extraneous air promptly enters into water through the shell inner cavity 84,86 of water screw 8 through bearing 7 from inlet pipe 9 through airway 6 then again.

Principle of work of the present utility model is as follows:

When driving the water screw high speed rotating simultaneously when driving the output shaft high speed rotating behind the electrical power, head end at water screw forms powerful negative pressure, the suction outside air, through inlet pipe, airway be between the output shaft the gap, enter in the water through composite bearing inner chamber and water screw venting cavity again, the water screw of high speed rotating promotes strong current air is cut into a large amount of micro-bubbles, and fully mixes with water, thereby reaches good oxygenation effect.

Claims

1, a kind of pusher aerator, include motor (1), inlet pipe (9) and water screw (8), described motor (1) fixes by output shaft (5) and water screw (8), inlet pipe (9) and water screw (8) lower end oral area and the extraneous outer hub inner chamber (86 that communicates, 84) be connected, it is characterized in that being provided with airway (6) between described inlet pipe (9) and the water screw (8), the lower end of airway (6) is provided with composite bearing (7), and outer hub (82) cover cap of described water screw (8) is on composite bearing (7) bottom, the output shaft of described motor (5) penetrates in the airway (6), and pass composite bearing (7) and fix with the water screw hub (83) that is positioned at composite bearing (7) below, described inlet pipe (9) links to each other with the sidewall on airway (6) top, and airway (6) lower end is connected with the venting cavity that is positioned at composite bearing (7) (74), and the outer hub inner chamber (86 of this venting cavity (74) and water screw (8), 84) be connected.

2, pusher aerator according to claim 1, it is characterized in that described composite bearing (7) includes urceolus (71), plate muscle (72) and inner core (73), urceolus (71) links to each other with inner core (73) by plate muscle (72), and described venting cavity (74) is the space that is arranged between urceolus (71) plate muscle (72) and the plate muscle (72).

3, pusher aerator according to claim 2, it is characterized in that described motor (1) is for being fixed on the permanent seat (3), and the upper end of the lower end of permanent seat (3) and airway (6) fixes, the rotating shaft (11) of motor (1) and a shaft coupling (2) fix, and the lower end that through hole (21) and shaft coupling (3) in the permanent seat (3) are passed in the upper end of described output shaft (5) fixes.

4,, it is characterized in that the lower end of described output shaft (5) and the interior hub (83) in the water screw (8) interconnect by screw (51) according to claim 1 or 2 or 3 described pusher aerators.