CN220633821U - Bottom-in type filter cake shearing and dispersing device - Google Patents

Abstract

The utility model relates to a bottom-in type filter cake shearing and dispersing device which comprises a motor, a stator connected with the motor, an upturning rotor connected with a motor shaft and a centrifugal rotor, wherein a plurality of first external suction holes are annularly formed in the stator; the upper turning rotor is annularly provided with a plurality of first inner suction holes and a plurality of upper turning blades, the upper turning blades are arranged opposite to the first inner suction holes, the upper turning rotor is movably inserted in the stator, and the first inner suction holes are arranged opposite to the first outer suction holes; the centrifugal rotor is arranged at the top of the upturned rotor; the motor is used for driving the upper overturning body and the centrifugal rotor to rotate, the slurry is sucked from the first external suction hole, then enters the upper overturning body through the first internal suction hole, is pushed to the centrifugal rotor through the upper overturning blade, the centrifugal rotor sucks the slurry and centrifugally throws the slurry out, and the first internal suction hole and the first external suction hole are used for shearing materials. The device has high shearing and dispersing capacity, ensures that the slurry is circulated efficiently and mixed uniformly quickly, and effectively shortens the pulping time.

Description

Bottom-in type filter cake shearing and dispersing device

Technical Field

The utility model relates to a filter cake pulping device, in particular to a bottom-in filter cake shearing and dispersing device.

Background

Traditional filter cake pulping is to stir pulping by using a blade type stirring device, the traditional stirring rotating speed is low, the blocky filter cake sinks to the bottom of the reaction kettle, the distance between the stirring blade and the bottom of the reaction kettle is large, and the blades cannot be in direct contact with the filter cake, so that the dispersion pulping efficiency is low.

Disclosure of Invention

In order to solve the problem of low dispersion pulping efficiency, the utility model provides a bottom-in filter cake shearing and dispersing device, which comprises the following specific technical scheme:

a filter cake shear dispersing device comprising a motor, further comprising: the motor is arranged on the stator, and a plurality of first external suction holes are annularly formed in the stator; the upper turnover rotor is connected with a motor shaft, a plurality of first internal suction holes and a plurality of upper turnover blades are annularly arranged on the upper turnover rotor, the upper turnover blades are arranged opposite to the first internal suction holes, the upper turnover rotor is movably inserted into the stator, and the first internal suction holes are arranged opposite to the first external suction holes; the centrifugal rotor is arranged at the top of the upturning rotor and is connected with the motor shaft; the motor is used for driving the upturning rotor to rotate with the centrifugal rotor, the slurry is sucked from the first external suction hole, then enters the interior of the upturning rotor through the first internal suction hole, then is pushed to the centrifugal rotor through the upturning blade, the centrifugal rotor sucks the slurry and centrifugally throws the slurry out, and the first internal suction hole and the first external suction hole are used for shearing materials.

Preferably, the upturning blades and the first internal suction holes are in one-to-one correspondence and are arranged in an annular array.

Preferably, the first inner suction hole is positioned between two adjacent upturned blades.

Preferably, the upturned blade is positioned at the middle lower part of the first inner suction hole.

Preferably, the first inner suction hole and the first outer suction hole are kidney-shaped holes.

Preferably, the upper turning rotor is further provided with a lower connecting sleeve, and the lower connecting sleeve is fixed on the upper turning blade and connected with the motor shaft.

Preferably, the upturning rotor is further provided with a second inner suction hole, and the stator is further provided with a second outer suction hole which is opposite to the second inner suction hole.

Preferably, the motor further comprises a sealing device, wherein the sealing device is respectively connected with the stator and the motor shaft.

Further, the sealing device includes: a seal cylinder mounted inside the stator; the sealing ring is positioned between the sealing cylinder and the stator; and the sealing ring is fixed on the sealing cylinder and is movably inserted on the motor shaft.

Preferably, the method further comprises: the bearing seat is arranged on the stator; and the transmission shaft is respectively connected with the centrifugal rotor, the upturning rotor, the motor shaft and the bearing seat.

Compared with the prior art, the utility model has the following beneficial effects:

the bottom-in type filter cake shearing and dispersing device provided by the utility model has high-efficiency shearing and dispersing capacity, can rapidly disperse filter cakes at the bottom, and has no problems of block residues, bottom discharge blockage and the like; meanwhile, the material in the tank can be circulated efficiently, so that the slurry is mixed uniformly rapidly, the purpose of efficient pulping is achieved, the pulping time is shortened effectively, and the uniformity of the slurry is improved.

Drawings

FIG. 1 is a schematic diagram of a filter cake shear dispersing device;

FIG. 2 is an enlarged view of a portion of a filter cake shear dispersing device;

FIG. 3 is a schematic structural view of a stator;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the structure of the upturned rotor;

FIG. 6 is a top view of the upturned rotor;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 8 is a top view of a centrifugal rotor;

FIG. 9 is a cross-sectional view taken along line C-C of FIG. 8;

FIG. 10 is a schematic view of a filter cake shear dispersing device mounted on a stirred tank.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings.

Example 1

As shown in fig. 1 to 10, a filter cake shear dispersing device comprises a motor 45, an upturning rotor 2, a centrifugal rotor 1, a stator 3, a bearing seat 48, a transmission shaft 43 and a sealing device.

As shown in fig. 3 and 4, the stator 3 is cylindrical and welded at the bottom of the stirring tank 6, eight first external suction holes 31 are arranged on the stator 3 in a ring array, and the first external suction holes 31 are located inside the stirring tank 6.

As shown in fig. 1 and 2, a motor 45 is installed at the bottom of the stator 3 through a connection seat 44, a motor shaft is connected with a transmission shaft 43 through a coupling 46, the transmission shaft 43 is movably inserted inside the stator 3 and is connected with a bearing seat 48, and the bearing seat 48 is fixed on the connection seat 44.

As shown in fig. 5 to 7, the upper turner 2 is cylindrical, the diameter is smaller than that of the stator 3, eight first internal suction holes 21 are formed in the upper annular array of the upper turner 2, eight upper turner blades 24 are formed in the inner annular array of the upper turner 2, the upper turner blades 24 are in one-to-one correspondence with the first internal suction holes 21, the first internal suction holes 21 are located between two adjacent upper turner blades 24, and the upper turner blades 24 are located at the middle lower part of the first internal suction holes 21, so that the entering slurry can be directly pushed upwards, and meanwhile, the slurry entering at the bottom of the upper turner blades 24 is guaranteed, the slurry is stirred, and the bottom is prevented from precipitating. One end of the upturning blade 24 is welded on the upturning rotor 2, the other end is welded on the lower connecting sleeve 23, the lower connecting sleeve 23 is coaxial with the upturning rotor 2, and the connecting sleeve is connected with the transmission shaft 43. The upturned blades 24 are inclined for pushing the slurry upwardly.

Go up upset son 2 activity and insert in stator 3, and first interior material hole 21 and the relative setting of first outer material hole 31 of inhaling, first interior material hole 21 and first outer material hole 31 of inhaling are waist shape hole, and waist shape hole can have increased the area of feeding, forms longer shearing blade simultaneously, improves shearing and dispersive effect.

As shown in fig. 8 and 9, the centrifugal rotor 1 is mounted on top of the upturned rotor 2 and is connected to a drive shaft 43. The centrifugal rotor 1 comprises an upper centrifugal plate 12, a lower centrifugal plate 11, centrifugal blades 13 and an upper connecting sleeve 15, wherein the upper centrifugal plate 12 and the lower centrifugal plate 11 are annular plates and are arranged in parallel, two sides of the centrifugal blades 13 are welded on the upper centrifugal plate 12 and the lower centrifugal plate 11 respectively, and eight annular arrays of the centrifugal blades 13 are arranged. An upper connecting sleeve 15 is fixed on the upper centrifugal plate 12 and is connected to one end of the centrifugal blades 13. The upper connecting sleeve 15 is connected to a drive shaft 43. The lower centrifugal plate 11 is provided with a feeding hole 14, the feeding hole 14 and the upper connecting sleeve 15 are coaxially arranged, the lower centrifugal plate 11 is movably inserted on the transmission shaft 43, and the diameter of the feeding hole 14 is larger than that of the transmission shaft 43.

The motor 45 is used for driving the upper turner 2 and the centrifugal rotor 1 to rotate, and the slurry is sucked from the first outer suction hole 31, then enters the upper turner 2 through the first inner suction hole 21, is pushed to the centrifugal rotor 1 through the upper turner blades 24, and the centrifugal rotor 1 sucks the slurry and centrifugally throws the slurry out, and the first inner suction hole 21 and the first outer suction hole 31 are used for shearing materials.

As shown in fig. 1 and 2, the sealing device includes a sealing cylinder 41, a seal ring 47, and a seal ring 42, the sealing cylinder 41 is mounted inside the stator 3, and the seal ring 47 is fixed on the sealing cylinder 41 and abuts against the stator 3 for sealing between the sealing cylinder 41 and the stator 3. The sealing ring 42 is fixed on the sealing cylinder 41 and is movably inserted on the transmission shaft 43, so that the sealing between the transmission shaft 43 and the sealing cylinder 41 is realized. The seal ring 47 and the seal ring 42 realize an integral seal.

A filter cake shearing and dispersing device can effectively improve the pulping efficiency of a filter cake.

When the centrifugal rotor 1 rotates, a strong centrifugal force can be generated, a certain negative pressure is formed in the rotor, and the slurry below the rotor can be adsorbed.

The upper overturning rotor 2 is an axial-flow rotor, certain upward thrust can be generated when the inclined blades at the lowest end rotate, fluid in the upper overturning rotor 2 flows upwards rapidly, the fluid is discharged from the periphery of the centrifugal rotor 1, the edge of a suction hole is a sharp shearing blade, the upper overturning rotor 2 is positioned at the center of the stator 3 and keeps a certain gap with the stator 3, materials enter the upper overturning rotor 2 from the first outer suction hole 31 and the first inner suction hole 21 in the rotating process of the upper overturning rotor 2, and then are discharged from the periphery of the centrifugal rotor 1, a filter cake is sheared and broken into a plurality of small blocks by the edges of the suction holes when the slurry enters the first outer suction hole 31 and the first inner suction hole 21, the small blocks are repeatedly crushed into small enough particles, the large flow field in the stirring tank 6 is not sunk to the bottom of the stirring tank 6, the high-efficiency shearing dispersion capacity is achieved, the problems of quick dispersion of the filter cake at the bottom, the block-shaped residues, the bottom discharge blocking and the like are solved, the high-efficiency circulation of the materials in the tank is achieved, the slurry is mixed uniformly and the high-efficiency slurry is achieved. Effectively shortens the pulping time and improves the uniformity of the slurry.

Example two

On the basis of the above embodiment, as shown in fig. 1 to 10, the upper turner 2 is further provided with a second inner suction hole 22, and the stator 3 is further provided with a second outer suction hole 32 opposite to the second inner suction hole 22. The second inner suction openings 22 and the second outer suction openings 32 increase the flow efficiency of the slurry and the shearing and dispersing effects.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will occur to those skilled in the art from consideration of the specification and practice of the utility model without the need for inventive faculty, and are within the scope of the claims.

Claims (10)

1. A cake shear dispersing device comprising an electric motor (45), characterized in that it further comprises:

the stator (3), the said electrical machinery (45) is installed on said stator (3), there are several first external suction holes (31) on the said stator (3) annularly;

the upper overturning device comprises an upper overturning device (2), wherein the upper overturning device (2) is connected with a motor shaft, a plurality of first inner suction holes (21) and a plurality of upper overturning blades (24) are annularly arranged on the upper overturning device (2), the upper overturning blades (24) are oppositely arranged with the first inner suction holes (21), the upper overturning device (2) is movably inserted into the stator (3), and the first inner suction holes (21) are oppositely arranged with the first outer suction holes (31); and

The centrifugal rotor (1) is arranged at the top of the upper overturning piece (2) and is connected with the motor shaft;

the motor (45) is used for driving the upper overturning piece (2) and the centrifugal rotor (1) to rotate, slurry is sucked from the first outer suction hole (31), then enters the upper overturning piece (2) through the first inner suction hole (21), and is pushed to the centrifugal rotor (1) through the upper overturning blade (24), the centrifugal rotor (1) sucks the slurry and centrifugally throws the slurry out, and the first inner suction hole (21) and the first outer suction hole (31) are used for shearing materials.

2. A filter cake shear dispersing device according to claim 1, wherein the upturned blades (24) are in one-to-one correspondence with the first internal suction holes (21) and are arranged in an annular array.

3. A filter cake shear dispersing device according to claim 2, wherein said first internal suction orifice (21) is located between two adjacent said upturned blades (24).

4. A filter cake shear dispersing device according to claim 2, characterized in that the upturned blades (24) are located in the middle lower part of the first internal suction holes (21).

5. A filter cake shear dispersing device according to claim 1, characterized in that the first inner suction holes (21) and the first outer suction holes (31) are kidney shaped holes.

6. A filter cake shearing and dispersing device according to claim 1, characterized in that the upper turner (2) is further provided with a lower connecting sleeve (23), and the lower connecting sleeve (23) is fixed on the upper turner blade (24) and connected with the motor shaft.

7. A filter cake shearing dispersing apparatus as claimed in any one of claims 1 to 6, wherein said upper rotor (2) is further provided with a second inner suction hole (22), and said stator (3) is further provided with a second outer suction hole (32) disposed opposite to said second inner suction hole (22).

8. A filter cake shear dispersing device according to any of claims 1-6, further comprising sealing means connected to the stator (3) and the motor shaft, respectively.

9. A filter cake shear dispersing device according to claim 8, wherein said sealing means comprises:

a seal cylinder (41), the seal cylinder (41) being mounted inside the stator (3);

-a sealing ring (47), the sealing ring (47) being located between the sealing cylinder (41) and the stator (3); and

And the sealing ring (42) is fixed on the sealing cylinder (41) and is movably inserted on the motor shaft.

10. A filter cake shear dispersing device as in claim 1, further comprising:

-a bearing housing (48), the bearing housing (48) being mounted on the stator (3); and

The transmission shaft (43), the transmission shaft (43) is respectively connected with the centrifugal rotor (1), the upper overturning piece (2), the motor shaft and the bearing seat (48).