CN215276739U - Stirring device of submersible stirrer - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment equipment, and provides a stirring device of a submersible stirrer, which comprises a plurality of stirring blades; the stirring shaft is used for driving the stirring paddle to rotate; the stirring base is arranged on the stirring shaft, the stirring blades are arranged on the stirring base, and the stirring base is provided with a diversion trench; the rotary driving component is used for providing power for the stirring shaft; through above-mentioned technical scheme, when having solved among the prior art velocity of flow and being less than 0.15m/s, the dive mixer stirring effect is poor, stirs the problem of inefficiency.

Description

Stirring device of submersible stirrer

Technical Field

The utility model relates to a sewage treatment device technical field, it is specific, relate to a submersible mixer's agitating unit.

Background

The submersible mixer is also called as a submersible propeller, is suitable for propelling and stirring sewage containing suspended matters, thin mud, industrial process liquid and the like in the process flow of a sewage treatment plant, creates water flow, strengthens the stirring function, prevents sludge from precipitating, and is important equipment on the municipal and industrial sewage treatment process flow; the application is suitable for aeration tanks and anaerobic tanks of industrial and urban sewage treatment plants, and water in the tanks can be used for circulating and establishing water flows in the stages of nitrification, denitrification and dephosphorization and the like; the type, size and speed of rotation of the mixer have an effect on the distribution of mixing power between bulk flow and turbulent pulsation; in general, the power distribution of a turbine agitator is favorable for turbulent pulsation, while a propeller agitator is favorable for bulk flow; for the same type of stirrer, under the condition of the same power consumption, the power of the stirrer with large diameter and low rotating speed is mainly consumed in the overall flow, so that the macroscopic mixing is facilitated; the prior submersible mixer has the problems of poor mixing effect and low mixing efficiency when the flow velocity of fluid is lower than 0.15m/s of sewage treatment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dive mixer's agitating unit has solved the flow velocity and has been less than 0.15m/s among the correlation technique, and dive mixer stirring effect is poor, stirs the problem of inefficiency.

The technical scheme of the utility model as follows:

an agitating device of a submersible agitator comprises

A plurality of stirring blades are arranged;

the stirring shaft is used for driving the stirring paddle to rotate;

the stirring base is arranged on the stirring shaft, the stirring blades are arranged on the stirring base, and the stirring base is provided with a diversion trench; and

and the rotary driving component is used for providing power for the stirring shaft.

Furthermore, the stirring seat is of a sub-cone structure, the outer diameter of the stirring shaft gradually decreases from the part close to the stirring shaft to the part far away from the stirring shaft, the diversion trench is arranged on the stirring seat, and the diversion trench is provided with a plurality of diversion trenches.

Furthermore, the diversion trench is provided with a water inlet end and a water outlet end along the axial direction of the stirring shaft, the water inlet end is far away from the stirring shaft, and the water inlet ends of the diversion trenches are intersected at one end of the conical tip of the stirring seat.

Further, the rotary drive assembly comprises

The driving motor is used for providing power; and

and the input end of the speed reducer is connected with the output end of the driving motor, and the output end of the speed reducer is connected with the stirring shaft.

Further, also comprises

And the flow guide cover is arranged on the stirring seat, and the stirring blade and the flow guide groove are both positioned in the flow guide cover.

Further, the stirring blade is plate-shaped, fin-shaped, frame-shaped or bent blade-shaped.

Furthermore, an expansion piece is arranged between the stirring seat and the stirring shaft, the stirring shaft is arranged at the cylinder body end of the expansion piece, and the stirring seat is arranged at the expansion end of the expansion piece.

The utility model discloses a theory of operation and beneficial effect do:

1. the utility model has the advantages that the rotation of the stirring shaft drives the stirring paddle to rotate, so that the stirring paddle drives the sewage or the dilute slurry to be stirred to stir, and the stirring efficiency is prevented from being influenced when the flow speed of the fluid is too slow; simultaneously the guiding gutter will treat the liquid in the fluid of stirring and lead to, make it along the guiding gutter flow direction stirring paddle leaf on the stirring seat, erode stirring paddle leaf, avoid solid impurity to bond on stirring paddle leaf for stirring paddle leaf's wall thickness adds the rotational speed and keeps stable, stirs efficiently, avoids blocking simultaneously.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the structure of the present invention;

FIG. 3 is a front view of the structure of the present invention without a dome;

fig. 4 is a front view of embodiment 2 of the present invention without a dome;

in the figure: 1. stirring paddle leaf, 2 (mixing) shafts, 3, stirring seat, 4, guiding gutter, 5, rotation driving subassembly, 6, driving motor, 7, reduction gear, 8, kuppe, 9, extensible member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts relate to the protection scope of the present invention.

Example 1

As shown in fig. 1 to fig. 3, the present embodiment provides a stirring apparatus of a submersible mixer, which includes a plurality of stirring blades 1; the stirring shaft 2 is used for driving the stirring paddle 1 to rotate; the stirring base 3 is arranged on the stirring shaft 2, the stirring paddle 1 is arranged on the stirring base 3, and the stirring base 3 is provided with a diversion trench 4; and the rotary driving component 5 is used for providing power for the stirring shaft 2.

In the embodiment, in order to solve the problems that the submersible mixer has poor mixing effect and low mixing efficiency when the flow rate is lower than 0.15m/s in the prior art, the mixing shaft 2 rotates to drive the mixing blades 1 to rotate, so that the mixing blades 1 drive the sewage or dilute slurry to be mixed to mix and rotate, and the mixing efficiency is prevented from being influenced when the flow rate of the fluid is too slow; simultaneously the guiding gutter 4 will treat the liquid in the fluid of stirring and lead to, makes it along 4 flow direction stirring paddle leaf 1 of guiding gutter on the stirring seat 3, erodees stirring paddle leaf 1, avoids solid impurity to bond on stirring paddle leaf 1 for stirring paddle leaf 1's wall thickness adds the rotational speed and keeps stable, and stirring efficiency is high, avoids blocking.

As shown in fig. 1 to 3, the stirring base 3 is a sub-cone structure, the outer diameter of the stirring shaft 2 gradually decreases from the position close to the stirring shaft 2 to the position far from the stirring shaft 2, the diversion trench 4 is arranged on the stirring base 3, and the diversion trench 4 is provided with a plurality of diversion trenches.

In the embodiment, the stirring seat 3 is of a bullet-shaped structure, so that the resistance between the stirring seat 3 and the fluid is reduced, the stirring seat 3 and the stirring shaft 1 can rotate conveniently, the abrasion of the stirring seat 3 is reduced, and the service life of the stirring seat 3 is prolonged; the water outlet end of each flow guide groove 4 faces one stirring blade 1 respectively, so that liquid passing through the flow guide groove flows towards or rushes towards the stirring blade 1, the flow guide groove 4 is a flat groove, the liquid enters the flow guide groove 4 straightly, or the flow guide groove 4 is a spiral groove, the path of the liquid in the flow guide groove 4 is prolonged, the liquid flows towards the stirring blade 1 after spiral sedimentation, and solid particles are prevented from being adhered to the stirring blade 1.

As shown in fig. 1 to fig. 3, the diversion trench 4 has a water inlet end and a water outlet end along the axial direction of the stirring shaft 2, the water inlet end is far away from the stirring shaft 2, and the water inlet ends of the diversion trenches 4 are intersected at one end of the conical tip of the stirring base 3.

In this embodiment, the end of intaking of guiding gutter 4 sets up that crosses for liquid in the fluid is even flows to or dashes to each stirring paddle leaf 1 along guiding gutter 4, and is located the one end at the warhead place of stirring seat 3, makes the liquid flow direction resistance in the fluid little, has avoided the projection area of the perpendicular contact between stirring seat 3 and the low-speed fluid simultaneously, avoids producing great frictional force.

As shown in fig. 1 to 3, the rotary driving assembly 5 includes a driving motor 6 for providing power; and the input end of the speed reducer 7 is connected with the output end of the driving motor 6, and the output end of the speed reducer is connected with the stirring shaft 2.

In this embodiment, driving motor 6 rotates, drives (mixing) shaft 2 and rotates, and reduction gear 7 changes the rotational speed ratio between driving motor 6 and (mixing) shaft 2, when being used for satisfying different rotational speed demands.

As shown in fig. 1 to 2, the stirring device further includes a flow guide cover 8 disposed on the stirring base 3, and the stirring blade 1 and the flow guide groove 4 are both located in the flow guide cover 8.

In the embodiment, the air guide sleeve 8 increases the axial speed of the fluid close to the stirrer, and reduces the radial speed, so that the effective stirring area of the stirrer for the fluid is increased; and simultaneously the air guide sleeve 8 reduces the vibration of the stirrer.

As shown in fig. 3 to 4, the stirring blade 1 is plate-shaped, fin-shaped, frame-shaped, or bent blade-shaped.

In this embodiment, the shapes of the stirring blades 1 are diversified, and the plate type is a curved plate with various shapes, so that the use requirements of fluids of different types and different concentrations are met.

Example 2

As shown in fig. 1 to 4, based on the same concept as that of embodiment 1, this embodiment has all the technical features of embodiment 1, except that an expansion piece 9 is disposed between the stirring base 3 and the stirring shaft 2, the stirring shaft 2 is disposed at the cylinder end of the expansion piece 9, and the stirring base 3 is disposed at the expansion end of the expansion piece 9.

In this embodiment, on the basis of embodiment 1, extensible member 9 is linear driving piece such as pneumatic cylinder, and when extensible member 9 extended, stirring paddle 1 and the distance increase between the bracing piece that supports the mixer, when extensible member 9 shortened, the distance between stirring paddle 1 and the bracing piece that supports the mixer reduced, through the extension of extensible member 9 with shorten, can adjust the stirring position of mixer, and it is convenient to change.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A stirring device of a submersible stirrer is characterized by comprising

A plurality of stirring blades (1) are arranged;

the stirring shaft (2) is used for driving the stirring blade (1) to rotate;

the stirring base (3) is arranged on the stirring shaft (2), the stirring blades (1) are arranged on the stirring base (3), and the stirring base (3) is provided with a diversion trench (4); and

and the rotary driving component (5) is used for providing power for the stirring shaft (2).

2. The stirring device of a submersible mixer according to claim 1, wherein the stirring base (3) is a sub-cone structure, the outer diameter of the stirring base (2) gradually decreases from the position close to the stirring shaft to the position far away from the stirring shaft (2), the diversion trench (4) is arranged on the stirring base (3), and a plurality of diversion trenches (4) are arranged.

3. The stirring device of a submersible mixer according to claim 2, wherein the guiding gutter (4) has a water inlet end and a water outlet end along the axial direction of the mixing shaft (2), the water inlet end is far away from the mixing shaft (2), and the water inlet ends of a plurality of guiding gutters (4) meet at one end of the conical tip of the mixing base (3).

4. A submersible mixer mixing arrangement as claimed in claim 1, wherein the rotary drive assembly (5) comprises

A driving motor (6) for providing power; and

and the input end of the speed reducer (7) is connected with the output end of the driving motor (6), and the output end of the speed reducer is connected with the stirring shaft (2).

5. A submersible mixer blending assembly as defined in claim 1, further comprising

And the flow guide cover (8) is arranged on the stirring seat (3), and the stirring blade (1) and the flow guide groove (4) are both positioned in the flow guide cover (8).

6. A stirring device of a submersible mixer according to claim 1, characterized in that the stirring blades (1) are of plate, fin, frame or bent blade type.

7. A stirring device of a submersible mixer according to claim 1, characterized in that an expansion piece (9) is arranged between the stirring base (3) and the stirring shaft (2), the stirring shaft (2) is arranged at the cylinder end of the expansion piece (9), and the stirring base (3) is arranged at the expansion end of the expansion piece (9).

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