CN217340989U

CN217340989U - High-efficient hyperboloid mixer

Info

Publication number: CN217340989U
Application number: CN202220846177.3U
Authority: CN
Inventors: 董绵杰; 李善庭; 叶昕; 王震; 陈世刚
Original assignee: Lanshen Group Co ltd
Current assignee: Lanshen Group Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-09-02
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a high-efficiency hyperboloid stirrer, which comprises a driving device, a transmission shaft and a hyperboloid impeller; the upper end of the transmission shaft is connected with a power output shaft of the driving device through an upper flange; the upper end of the double-curved-surface impeller is connected with the lower end of the transmission shaft; the transmission shaft comprises a hollow shaft and auxiliary blades; a backflow hole is formed in the hollow shaft and is positioned below the upper flange; the auxiliary blade is arranged on the inner wall of the hollow shaft and is positioned below the backflow hole; and the lower flange is provided with a through hole which is communicated with the inner cavity of the hollow shaft and the inner cavity of the hyperboloid impeller. The integral device can uniformly mix the liquid and the sludge in the pool, the fluidity of the mixed liquid is good, the effect of no stirring dead angle is realized, and the good operation of the process is effectively ensured.

Description

High-efficient hyperboloid mixer

Technical Field

The utility model relates to an environmental protection technical field particularly, relates to a high-efficient hyperboloid mixer.

Background

The hyperboloid mixer is widely applied to the sewage treatment process and is used for mixing and stirring the mixed liquid. The stirrer is vertically arranged in the center of the water tank and comprises a driving device, a transmission shaft and a hyperboloid impeller, and the impeller rotates along with the transmission shaft to stir and mix liquid and solid. The mixed liquid is thrown out from the periphery of the hyperboloid impeller, moves upwards after contacting the tank wall, moves around the central shaft from top to bottom after moving to the water surface, forms an up-and-down circulation in the tank, and stirs and mixes the liquid, the sludge and other solid substances. Because the impeller has certain distance from the bottom of the pool, the fluidity of the medium below the hyperboloid hub is poor, certain sediments are always gathered at the bottom, the more sediments are, the more the time is, the non-uniform mixing effect of the whole pool is realized, and the technological effect is influenced.

Disclosure of Invention

The technical problem is as follows: the utility model discloses the technical problem that will solve is: the utility model provides a high-efficient hyperboloid mixer for the below liquid of hyperboloid impeller and mud intensive mixing stirring, the below of hyperboloid impeller can not form the precipitation phenomenon, realizes the efficiency at no stirring dead angle, effectively guarantees the good high-efficient operation of technology.

The technical scheme is as follows: for solving the technical problem, the embodiment of the utility model provides an adopt technical scheme is:

a high-efficiency hyperboloid stirrer comprises a driving device, a transmission shaft and a hyperboloid impeller; the upper end of the transmission shaft is connected with a power output shaft of the driving device through an upper flange; the upper end of the double-curved-surface impeller is connected with the lower end of the transmission shaft; the transmission shaft comprises a hollow shaft and auxiliary blades; a backflow hole is formed in the hollow shaft and is positioned below the upper flange; the auxiliary blade is arranged on the inner wall of the hollow shaft and is positioned below the backflow hole; and the lower flange is provided with a through hole which is communicated with the inner cavity of the hollow shaft and the inner cavity of the hyperboloid impeller.

Preferably, the double-curved-surface impeller comprises an overflowing hole, an end ring, a hub body and blades; the overflowing hole is arranged in the center of the end ring; the overflowing hole is a through hole; the end ring is connected with the hub body and is positioned above the hub body; the blades are connected to the outer surface of the hub body; the overflowing hole is opposite to the through hole; the end ring is fixedly connected with the lower flange.

As a preferable example, the number of the backflow holes is N, N is an integer, and N is more than or equal to 2.

Preferably, the backflow hole is located below the liquid level, and the distance from the center of the backflow hole to the liquid level is 100-300 mm.

Preferably, the hollow shaft is a hollow cylinder.

Preferably, the auxiliary blade is a helical blade.

Preferably, the auxiliary blade is close to the lower flange.

Preferably, the length of the auxiliary blade is 150-500 mm.

Preferably, the drive means is located in the upper part of the pool and centrally thereof, in use.

As a preferable example, the number of the blades is 6-8.

Has the advantages that: compared with the prior art, the technical scheme of the utility model following beneficial effect has: the utility model discloses a scheme can make the liquid and the mud intensive mixing of pond bottom to make the mixed liquid of impeller lower extreme to the motion all around, mix once more with the mixed liquid around the impeller, thereby make the mixed liquid of pond more even, improve whole technological effect. A high-efficiency hyperboloid stirrer is characterized by comprising a driving device, a transmission shaft and a hyperboloid impeller; the upper end of the transmission shaft is connected with a power output shaft of the driving device through an upper flange; the upper end of the double-curved-surface impeller is connected with the transmission shaft through a lower flange of the transmission shaft; the transmission shaft comprises a hollow shaft and auxiliary blades; a backflow hole is formed in the hollow shaft and is positioned below the upper flange; the auxiliary blade is arranged on the inner wall of the hollow shaft and is positioned below the backflow hole; and the lower flange is provided with a through hole which is communicated with the inner cavity of the hollow shaft and the inner cavity of the hyperboloid impeller. In the stirring process, under the drive of the hyperbolic impeller, a liquid and sludge mixture moves from bottom to top near the pool wall and moves from top to bottom around the transmission shaft after reaching the liquid level, part of mixed liquid enters the hollow shaft through the backflow hole, and the lower flange and the overflowing hole are provided with through holes, so that the sludge at the lower part of the impeller can be driven to move and be mixed with the liquid through the stirring of the auxiliary blades, an upper circulation effect and a lower circulation effect are formed in the whole pool, the effect of no stirring dead angle is realized, and the good operation of the process is effectively ensured.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention;

FIG. 2 is a structural view of a transmission shaft according to an embodiment of the present invention;

fig. 3 is a hyperboloid impeller structure diagram of the embodiment of the present invention.

The figure shows that: the device comprises a driving device 1, a transmission shaft 2, a hyperboloid impeller 3, an upper flange 21, a return hole 22, a hollow shaft 23, auxiliary blades 24, a lower flange 25, an overflowing hole 31, an end ring 32, a hub body 33, blades 34 and a water tank 4.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to fig. 3, the high-efficiency hyperboloid agitator according to the embodiment of the present invention is characterized by comprising a driving device 1, a transmission shaft 2 and a hyperboloid impeller 3; the upper end of the transmission shaft 2 is connected with a power output shaft of the driving device 1 through an upper flange 21; the upper end of the hyperboloid impeller 3 is connected with the lower end of the transmission shaft 2 through a lower flange 25; the transmission shaft 2 comprises a hollow shaft 23 and auxiliary blades 24; a return hole 22 is formed in the hollow shaft 23, and the return hole 22 is located below the upper flange 21; the auxiliary blades 24 are arranged on the inner wall of the hollow shaft 23 and are positioned below the return hole 22; and the lower flange 25 is provided with a through hole which is communicated with the inner cavity of the hollow shaft 23 and the inner cavity of the hyperboloid impeller 3.

In the high-efficient hyperboloid mixer of above-mentioned structure, through the stirring of return opening 22 and auxiliary vane 24, will follow pond 4 and get into the mixed liquid of hollow shaft 23 and stir, carry downwards, pass hyperboloid impeller 3, send into pond 4 bottom for liquid and mud mix more evenly in the pond 4, thereby realize the efficiency at no stirring dead angle, effectively guarantee the good operation at technology.

The hollow shaft 23 rotates, which rotates the auxiliary blades 24. After the mixed liquid in the water tank 4 enters the hollow shaft 23 through the return hole 22, the auxiliary blades 24 apply work to the mixed liquid at the lower end of the impeller 3 in the hollow shaft 23, so that the mixed liquid in the hollow shaft 23 moves at a high speed from top to bottom. Because the return hole is arranged at the position below the liquid level and is positioned at the upper end of the hollow shaft 23, certain potential energy is provided, under the action of the auxiliary blade 24, the sludge mixed liquid below the hub body 33 is impacted, so that the sludge and the mixed liquid flowing out of the hollow shaft 23 are fully mixed, and the mixed liquid is driven to move to the periphery of the bottom of the pool, and secondary mixing is realized. The liquid after the secondary mixing moves from bottom to top under the drive of the rotating hyperboloid impeller 3, and when reaching the liquid level, the liquid moves from top to bottom around the transmission shaft 2, so that circulation of up-and-down circulation is formed outside the transmission shaft 2. Meanwhile, a small part of mixed liquid enters the hollow shaft 23 from the return hole 22 at the upper end of the hollow shaft 23, and the mixed liquid in the hollow shaft 23 is subjected to impact mixing on the mixed liquid at the lower end of the impeller under the action of the auxiliary blades 24 to form another circulation flow, so that the effect of stirring the liquid and the sludge in the water tank 4 without dead angles is achieved.

As a preferred example, the hyperboloid impeller 3 comprises an overflowing hole 31, an end ring 32, a hub body 33 and blades 34; the overflowing hole 31 is arranged at the center of the end ring 32; the overflowing hole 31 is a through hole; the end ring 32 is connected with the hub body 33 and is located above the hub body 33; the blades 34 are connected to the outer surface of the hub body 33; the overflowing hole 31 is opposite to the through hole; the end ring 32 is fixedly connected to the lower flange 25. Impeller 3 drives mixed liquid in the pond 4 through the motion of wheel hub body 33 and blade 34 and moves from down to up, when realizing the mud stirring in the pond, in passing through return opening 22 entering hollow shaft 23 with partial mixed liquid, because it is relative with the through-hole that runs through to cross discharge orifice 31, under auxiliary vane 24's effect, send impeller 3 lower extreme with mixed liquid in the hollow shaft 23 for 4 bottom mud in pond are by intensive mixing, and overall structure is complete high-efficient.

As a preferred example, the number of the backflow holes 22 is N, N is an integer, and N is more than or equal to 2. The arrangement of the plurality of return holes 22 enables more mixed liquid to enter the hollow shaft 23, so that sludge at the lower end of the impeller 3 is stirred more sufficiently.

Preferably, the backflow hole 22 is located below the liquid level, and the distance from the center of the backflow hole 22 to the liquid level is 100-300 mm. The return hole is arranged below the liquid level, so that the mixed liquid can enter the return hole 22; while setting the height of the return holes 22 higher, the mixed liquor entering the return holes 22 may provide greater potential energy to the auxiliary blades 24.

Preferably, the hollow shaft 23 is a hollow cylinder. The auxiliary blades 24 are arranged in the hollow shaft 23, and the mixed liquid entering the hollow shaft 23 can enter the lower end of the impeller 3 through the auxiliary blades 24 without obstruction, so that the continuity of the structural operation is realized. The hollow shaft 23 is a hollow cylinder, which can reduce the resistance of the mixed liquid flowing in the hollow shaft 23.

Preferably, the auxiliary blade 24 is a helical blade. The spiral blade can more fully send mixed liquid into the lower end of the impeller 3 through high-speed rotation, and a better stirring effect is achieved.

As a preference, the auxiliary blade 24 is close to the lower flange 25. After the mixed liquid works through the high-speed rotation of the auxiliary blades 24, the mixed liquid can directly enter the lower end of the impeller 3 through the lower flange 25, the loss of kinetic energy caused by overlong distance is reduced, the impact of the mixed liquid on bottom sludge is ensured, and the mixing effect is better.

As a preferred example, the length of the auxiliary blade 24 is 150-500 mm, and the longer the auxiliary blade is, the larger the kinetic energy provided is, the larger the impact force of the mixed liquid on the sludge at the lower end of the impeller 3 is, and the better the stirring effect is.

Preferably, the drive unit 1 is arranged above the water basin 4 and in the center of the water basin 4 during use. With drive arrangement 1 setting in the central authorities of pond 4, can be so that when drive arrangement 1 drives transmission shaft 2 rotatory, the fluid is more even, symmetrical to make whole structure operation stable.

As a preferable example, the number of the blades 34 is 6-8. Set up blade 34 of a greater amount, when impeller 3 rotated, can be more abundant with mixed liquid stirring through more blade 34, the stirring effect is more even, and under the reflex action of pool wall, the mixed liquid that gets into transmission shaft 2 was more to realize better circulation efficiency.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. A high-efficiency hyperboloid stirrer is characterized by comprising a driving device (1), a transmission shaft (2) and a hyperboloid impeller (3); the upper end of the transmission shaft (2) is connected with a power output shaft of the driving device (1) through an upper flange (21); the upper end of the double-curved-surface impeller (3) is connected with the lower end of the transmission shaft (2) through a lower flange (25); the transmission shaft (2) comprises a hollow shaft (23) and auxiliary blades (24); a return hole (22) is formed in the hollow shaft (23), and the return hole (22) is located below the upper flange (21); the auxiliary blades (24) are arranged on the inner wall of the hollow shaft (23) and are positioned below the backflow hole (22); and the lower flange (25) is provided with a through hole which is communicated with the inner cavity of the hollow shaft (23) and the inner cavity of the double-curved-surface impeller (3).

2. A high efficiency hyperboloid mixer according to claim 1, characterized by the fact that said hyperboloid impeller (3) comprises overflowing holes (31), end rings (32), hub bodies (33) and blades (34); the overflowing hole (31) is arranged in the center of the end ring (32); the overflowing hole (31) is a through hole; the end ring (32) is connected with the hub body (33) and is positioned above the hub body (33); the blades (34) are connected to the outer surface of the hub body (33); the overflowing hole (31) is opposite to the through hole; the end ring (32) is fixedly connected with the lower flange (25).

3. A high efficiency hyperboloid mixer according to claim 1 wherein the number of said recirculation holes (22) is N, N is an integer and N is 2 or more.

4. A high efficiency hyperboloid mixer according to claim 1, characterized in that said recirculation hole (22) is located below the liquid level, and the distance from the center of the recirculation hole (22) to the liquid level is 100-300 mm.

5. A highly efficient hyperboloid mixer according to claim 1, characterized by the fact that said hollow shaft (23) is a hollow cylinder.

6. A high efficiency hyperboloid mixer according to claim 1 wherein said auxiliary blade (24) is a helical blade.

7. A highly efficient hyperboloid mixer according to claim 1, characterised in that said auxiliary blade (24) is located close to the lower flange (25).

8. A highly efficient hyperboloid mixer according to claim 7, characterized in that said auxiliary blade (24) has a length of 150-500 mm.

9. A highly efficient hyperboloid mixer according to claim 1, characterized in that said drive means (1) is arranged in the upper part of the basin (4) and in the centre of the basin (4) when in use.

10. A highly efficient hyperboloid blender as claimed in claim 2, wherein said number of blades (34) is 6-8.