CN215354052U - Vertical spiral discharging centrifugal machine - Google Patents

Abstract

The utility model discloses a vertical spiral lower discharging centrifugal machine, which comprises a discharging bin, a distributing device locking bolt and a shock pad fixing screw, wherein a distributing device is additionally arranged at a feeding position of the centrifugal machine, so that liquid-solid mixed materials to enter a spiral conveyor can be pre-accelerated to uniformly enter each spiral channel of the spiral conveyor after reaching the same rotating speed of the spiral conveyor, continuous automatic dehydration and separation are carried out, the distributing device can accelerate the liquid-solid mixed materials to the speed synchronously rotating with the spiral conveyor, and simultaneously the liquid-solid mixed materials can be directly conveyed to a position section with higher separation factor of the spiral conveyor, so that the working efficiency of the vertical spiral filtering centrifugal machine is improved; meanwhile, the rotating speed of the spiral conveyor can be adjusted through frequency conversion, namely the rotating speed difference between the spiral conveyor and the rotary drum can be finely adjusted, so that the condition that material parameters fluctuate in the production process can be better adapted.

Description

Vertical spiral discharging centrifugal machine

Technical Field

The utility model relates to the technical field of centrifuges, in particular to a vertical spiral discharging centrifuge.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are insoluble with each other in emulsion (for example, cream is separated from milk); it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities; some settling centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that solid particles with different densities or granularities have different settling speeds in liquid. When the existing vertical spiral discharging centrifuge is used, the working efficiency is low, the overall working progress is influenced, and the centrifuge cannot adapt to solid-liquid separation of different liquid-solid mixed materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vertical spiral discharge centrifuge, which solves the problem of low working efficiency of the conventional vertical spiral discharge centrifuge and also solves the problem that the centrifuge cannot adapt to solid-liquid separation of different liquid-solid mixed materials.

In order to achieve the purpose, the utility model provides the following technical scheme: a vertical spiral lower discharging centrifugal machine comprises a discharging bin, a distributing device locking bolt and a shock pad fixing screw, wherein a discharging bin operation window is arranged on the discharging bin, a shock pad is arranged on a lower flange of the discharging bin through the shock pad fixing screw, a liquid collecting bin is arranged on the discharging bin through a flange, a liquid discharging port is arranged on the liquid collecting bin, a feeder is fixedly connected with an upper flange of the liquid collecting bin, a rotating shaft mounting seat is fixedly connected on a power supporting seat of the discharging bin through a flange, rolling bearings are respectively arranged on the upper portion and the lower portion of a barrel inner cavity of the rotating shaft mounting seat, a rotating drum rotating shaft is fixedly connected with an upper bearing and a lower bearing, the rotating drum rotating shaft and the rotating shaft mounting seat are coaxially assembled, a rotating drum rotating shaft belt pulley is fixedly connected at the lower end of the rotating drum rotating shaft, a rotating drum supporting table is fixedly connected on the rotating drum rotating shaft, and a rotating drum is fixedly connected on the rotating drum supporting table, the rotary drum is characterized in that a filter screen is arranged in the rotary drum, the rotary drum rotating shaft is a cylindrical hollow cylinder, rolling bearings are respectively arranged on the upper portion and the lower portion of the inner wall of the rotary drum rotating shaft, an upper spiral rotating shaft and a lower spiral rotating shaft are fixedly connected with the bearings, the spiral rotating shaft and the rotary drum rotating shaft are coaxially assembled, a spiral rotating shaft belt wheel is fixedly connected with the lower end of the spiral rotating shaft, a spiral material conveyor is arranged at the upper end of the spiral rotating shaft through a distributor locking bolt, a material stopper is arranged on the rotary drum supporting table, a distributor is arranged on the spiral rotating shaft through a distributor locking bolt, a main motor mounting seat is fixedly connected with the slag discharging bin, a main motor is arranged on the main motor mounting seat, a main motor belt wheel is connected onto the output shaft of the main motor through a key, a main motor triangular belt is sleeved on the outer side of the main motor belt wheel, and is sleeved on the outer side of the rotary drum belt wheel, the slag discharging device is characterized in that an auxiliary motor mounting seat is fixedly connected to the slag discharging bin, an auxiliary motor is mounted on the auxiliary motor mounting seat, an auxiliary motor belt wheel is connected to an output shaft of the auxiliary motor through a key, an auxiliary motor triangular belt is sleeved on the outer side of the auxiliary motor belt wheel, and the auxiliary motor triangular belt is sleeved on the outer side of the spiral rotating shaft belt wheel.

Preferably, the spiral feeder and the filter screen on the rotary drum form a plurality of independent spiral channels.

Preferably, the feeder is provided with a transparent glass sight glass.

Preferably, the drum supporting table is provided with a shaft hole for installation, and the periphery of the drum supporting table is provided with an annular through hole.

Preferably, the drum rotating shaft belt wheel and the main motor belt wheel are arranged on the same horizontal plane.

Preferably, the spiral rotating shaft belt wheel and the auxiliary motor belt wheel are installed on the same horizontal plane.

Preferably, a plurality of boosting blades which are uniformly distributed along the circumference are distributed on the distributing device.

Preferably, the periphery of the boosting blade of the distributing device is fixedly connected with a conical barrel.

Preferably, the rotation speed of the auxiliary motor is given by a frequency converter, and a rotation speed difference exists between the spiral conveyor and the rotary drum.

Preferably, the spiral rotating shaft rotates at a high speed relative to the rotating drum rotating shaft, and the rotating drum rotating shaft rotates at a high speed relative to the rotating shaft mounting seat.

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

1. according to the vertical spiral filtering centrifuge, the material distribution device is additionally arranged at the feeding position of the centrifuge, so that liquid-solid mixed materials to be fed into the spiral conveyor can be subjected to pre-acceleration treatment, the liquid-solid mixed materials can uniformly enter each spiral channel of the spiral conveyor after reaching the same rotating speed of the spiral conveyor, continuous automatic dehydration and separation are performed, the material distribution device can accelerate the liquid-solid mixed materials to the speed synchronous with the spiral conveyor, and meanwhile, the liquid-solid mixed materials can be directly conveyed to the position section with higher separation factor of the spiral conveyor, and the working efficiency of the vertical spiral filtering centrifuge is improved;

2. the motor for controlling the rotating speed of the spiral conveyor is designed to be given by the frequency converter, so that the rotating speed of the spiral conveyor can be subjected to frequency conversion speed regulation, namely the rotating speed difference between the spiral conveyor and the rotary drum can be finely adjusted, and the condition that material parameters fluctuate in the production process can be better adapted.

Drawings

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

FIG. 2 is a top view of the structure of FIG. 1 in accordance with the present invention;

FIG. 3 is an assembled view of the hopper and the screw feeder of FIG. 1 according to the present invention;

FIG. 4 is a top plan view of the distributor structure of FIG. 3 in accordance with the present invention;

fig. 5 is a sectional view of the structure of the distributor of fig. 3 according to the present invention.

In the figure: 1. unloading the slag bin; 2. a liquid collecting bin; 3. a drum support table; 4. a drum; 5. filtering with a screen; 6. a distributing device; 7. a feeder; 8. a distributor locking bolt; 9. a helical shaft; 10. a rotating drum rotating shaft; 11. a spiral feeder; 12. a material stopping device; 13. a liquid discharge port; 14. a secondary motor; 15. a secondary motor pulley; 16. a sub-motor V-belt; 17. an auxiliary motor mounting seat; 18. a shock pad fixing screw; 19. a shock pad; 20. a helical shaft pulley; 21. a drum shaft pulley; 22. a rotating shaft mounting base; 23. an operation window of the slag discharging bin; 24. a main motor V-belt; 25. a main motor mount; 26. a main motor pulley; 27. a main motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a vertical spiral lower discharging centrifugal machine comprises a discharging bin 1, a distributor locking bolt 8 and a shock pad fixing screw 18, wherein the discharging bin 1 is provided with a discharging bin operating window 23, a shock pad 19 is arranged on a lower flange of the discharging bin 1 through the shock pad fixing screw 18, a collecting bin 2 is arranged on an upper flange of the discharging bin 1, a liquid outlet 13 is arranged on the collecting bin 2, the liquid outlet 13 is arranged on the lower part of a barrel body of the collecting bin 2 along the tangential direction of the barrel wall, an upper flange of the collecting bin 2 is fixedly connected with a feeder 7, a power supporting seat of the discharging bin 1 is fixedly connected with a rotating shaft mounting seat 22 through a flange, the interior of the discharging bin 1 is connected with a lubricating oil circuit through a distribution channel and is fixed on the rotating shaft mounting seat 22 for conveying lubricating grease to a fixed bearing of a rotating drum rotating shaft 10 and a fixed bearing of a spiral rotating shaft 9, the upper part and the lower part of a barrel body inner cavity of the rotating shaft mounting seat 22 are respectively provided with a rolling bearing, the rotary shaft mounting seat 22 and the barrel of the slag discharging bin 1 are coaxially mounted, the upper bearing and the lower bearing are fixedly connected with a rotary drum rotary shaft 10, the rotary drum rotary shaft 10 and the rotary shaft mounting seat 22 are coaxially assembled, the lower end of the rotary drum rotary shaft 10 is fixedly connected with a rotary drum rotary shaft belt pulley 21, the rotary drum rotary shaft 10 is fixedly connected with a rotary drum supporting platform 3, the rotary drum supporting platform 3 is fixedly connected with a rotary drum 4, a filter screen 5 is arranged in the rotary drum 4, the rotary drum rotary shaft 10 is a cylindrical hollow barrel, rolling bearings are respectively mounted on the upper portion and the lower portion of the inner wall of the rotary drum rotary shaft 10, the upper bearing and the lower bearing are fixedly connected with a spiral rotary shaft 9, the spiral rotary shaft 9 and the rotary drum rotary shaft 10 are coaxially assembled, the lower end of the spiral rotary shaft 9 is fixedly connected with a spiral rotary shaft belt pulley 20, a spiral feeder 11 is mounted at the upper end of the spiral rotary shaft 9 through a distributor locking bolt 8, the spiral feeder 11 is in the shape of a hollow conical barrel, and the conicity of the spiral feeder is the same as that of the rotary drum 4, helical blades which are uniformly distributed along the circumference are processed on the outer wall, the helical blades extend from the top to the bottom, a material stopping device 12 is arranged on the rotary drum supporting table 3, a material distributing device 6 is installed on a spiral rotating shaft 9 through a material distributing device locking bolt 8, the upper part of the material distributing device 6 is a hollow cylindrical barrel, the lower part of the material distributing device is a conical barrel, a shaft hole for installation is processed in the middle of the conical barrel, the shaft hole and the conical barrel are connected together through boosting blades with an inclination angle, all the boosting blades are uniformly distributed along the circumference, the material is rotationally accelerated and downwardly guided in the material distributing device 6 and is isolated from the outside, so that the material is favorably guided downwardly, the periphery of the guide blades of the material distributing device in the prior art is not provided with a conical barrel and is directly adjacent to the filter screen, the filter screen rotates at a high speed during operation and is faster than the rotating speed of the material distributing device, so that the downward guide of the material is obstructed, the slag discharging bin 1 is fixedly connected with a main motor mounting seat 25, a main motor 27 is mounted on the main motor mounting seat 25, the main motor 27 can move radially relative to a barrel of the slag discharging bin 1 and is used for tensioning or loosening a main motor triangular belt 24, an output shaft of the main motor 27 is connected with a main motor belt pulley 26 through a key, the main motor triangular belt 24 is sleeved on the outer side of the main motor belt pulley 26, the main motor triangular belt 24 is sleeved on the outer side of a rotary drum rotary shaft belt pulley 21, an auxiliary motor mounting seat 17 is fixedly connected on the slag discharging bin 1, an auxiliary motor 14 is mounted on the auxiliary motor mounting seat 17, an output shaft of the auxiliary motor 14 is connected with an auxiliary motor belt pulley 15 through a key, an auxiliary motor triangular belt 16 is sleeved on the outer side of the auxiliary motor belt pulley 15, and the auxiliary motor triangular belt 16 is sleeved on the outer side of a spiral rotary shaft belt pulley 20.

Referring to fig. 1, the spiral feeder 11 and the screen 5 on the rotary drum 4 form a plurality of independent spiral channels, so that the liquid-solid mixture entering the channels can rotate at high speed along with the spiral channels, and dehydration is achieved under the action of centrifugal force.

Referring to fig. 1, the feeder 7 is provided with a transparent glass sight glass, so that the feeding condition of the feeder 7 can be observed at any time, and the feeder 7 can feed the liquid-solid mixture directly into the distributor 6 for pre-acceleration and evenly distribute the liquid-solid mixture to each spiral channel.

Referring to fig. 1, a shaft hole for installation is formed in the drum support 3, and an annular through hole is formed in the periphery of the drum support 3 and used for discharging solid slag conveyed by a screw.

Referring to fig. 1, the drum shaft pulley 21 and the main motor pulley 26 are installed on the same horizontal plane, and the drum shaft 10 can rotate at a high speed by transmitting power through the main motor V-belt 24.

Referring to fig. 1, the spiral shaft pulley 20 and the auxiliary motor pulley 15 are installed on the same horizontal plane, and the spiral shaft 9 is rotated at a high speed by transmitting power through the auxiliary motor V-belt 16.

Referring to fig. 1, a plurality of boosting blades are uniformly distributed on the distributor 6 along the circumference, and the boosting effect is achieved by the design of the boosting blades.

Referring to fig. 1, a tapered cylinder is fixedly connected to the periphery of the boosting blade of the distributing device 6, and has a flow guiding effect.

Referring to fig. 1, the rotation speed of the auxiliary motor 14 is given by the frequency converter, and there is a rotation speed difference between the spiral conveyor 11 and the rotary drum 4, and the rotation speed difference can be adjusted according to actual needs.

Referring to fig. 1, the spiral shaft 9 rotates at a high speed relative to the drum shaft 10, and the drum shaft 10 rotates at a high speed relative to the shaft mounting seat 22.

The specific implementation process of the utility model is as follows: liquid-solid mixed materials with poor liquidity or light liquid-solid specific gravity are fed into an inner cavity of a distributor 6 through a feeder 7, the materials are uniformly distributed in the inner cavity and pre-accelerated to the same rotating speed of a spiral conveyor 11 and then pushed into a centrifugal dehydration cavity formed by a spiral channel and a filter screen 5, liquid phase in the materials is thrown into a liquid collecting cavity through micropores of the filter screen 5 through strip-shaped through holes of a rotary drum 4 by virtue of centrifugal force generated by high-speed rotation, separated liquid thrown into the liquid collecting cavity 2 rotates along the wall of the drum in the liquid collecting cavity 2, and the separated liquid is discharged out of the machine when encountering a liquid discharge port 13; the solid phase in the material is intercepted by the filter screen 5 and forms a filter cake by adhering to the filter screen 5, and the filter cake on the filter screen 5 is conveyed downwards along the spiral channel of the material conveyer due to a certain rotation speed difference between the rotary drum 4 and the spiral material conveyer 11, reaches the annular slag discharging opening of the rotary drum supporting table 3, is discharged and enters the slag discharging bin 1, and the liquid-solid separation is finished. The process is characterized in that the feeding, the liquid-solid separation, the liquid discharging and the slag discharging are continuously carried out, so that the continuous automatic separation is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Unloading centrifuge under vertical spiral, including unloading sediment storehouse (1), distributing device locking bolt (8), shock pad fixed screw (18), its characterized in that: the slag discharging device is characterized in that a slag discharging bin operation window (23) is arranged on the slag discharging bin (1), a shock pad (19) is installed on a lower flange of the slag discharging bin (1) through a shock pad fixing screw (18), a liquid collecting bin (2) is installed on an upper flange of the slag discharging bin (1), a liquid discharging port (13) is formed in the liquid collecting bin (2), a feeder (7) is fixedly connected to an upper flange of the liquid collecting bin (2), a rotating shaft installation seat (22) is fixedly connected to a power supporting seat of the slag discharging bin (1) through a flange, rolling bearings are respectively installed on the upper portion and the lower portion of a barrel inner cavity of the rotating shaft installation seat (22), a rotating drum rotating shaft (10) is fixedly connected to the upper portion and the lower portion of the bearings, the rotating drum rotating shaft (10) and the rotating shaft installation seat (22) are coaxially assembled, a rotating drum rotating shaft belt pulley (21) is fixedly connected to the lower end of the rotating shaft (10), a rotating drum supporting seat (3) is fixedly connected to the rotating shaft (10), the rotary drum type slag discharging device is characterized in that a rotary drum (4) is fixedly connected onto the rotary drum supporting table (3), a filter screen (5) is arranged inside the rotary drum (4), a rotary drum rotating shaft (10) is a cylindrical hollow cylinder, rolling bearings are respectively installed on the upper portion and the lower portion of the inner wall of the rotary drum rotating shaft (10), a spiral rotating shaft (9) is fixedly connected with the bearings, the spiral rotating shaft (9) and the rotary drum rotating shaft (10) are coaxially assembled, a spiral rotating shaft belt wheel (20) is fixedly connected with the lower end of the spiral rotating shaft (9), a spiral material conveyor (11) is installed at the upper end of the spiral rotating shaft (9) through a distributor locking bolt (8), a material stopper (12) is arranged on the rotary drum supporting table (3), a distributor (6) is installed on the spiral rotating shaft (9) through a distributor locking bolt (8), and a main motor mounting seat (25) is fixedly connected onto the slag discharging bin (1), install main motor (27) on main motor mount pad (25), there is main motor band pulley (26) through the key connection on the output shaft of main motor (27), main motor V belt (24) have been cup jointed in the outside of main motor band pulley (26), main motor V belt (24) are cup jointed in the outside of rotary drum pivot band pulley (21), unload the vice motor mount pad (17) of fixedly connected with on sediment storehouse (1), install vice motor (14) on vice motor mount pad (17), there is vice motor band pulley (15) through the key connection on the output shaft of vice motor (14), vice motor V belt (16) have been cup jointed in the outside of vice motor band pulley (15), vice motor V belt (16) cup joint in the outside of spiral pivot band pulley (20).

2. The vertical spiral discharge centrifuge of claim 1, wherein: the spiral material conveyor (11) and the filter screen (5) on the rotary drum (4) form a plurality of independent spiral channels.

3. The vertical spiral discharge centrifuge of claim 1, wherein: and a transparent glass sight glass is arranged on the feeder (7).

4. The vertical spiral discharge centrifuge of claim 1, wherein: the rotary drum supporting platform (3) is provided with a shaft hole for installation, and an annular through hole is processed on the periphery of the rotary drum supporting platform (3).

5. The vertical spiral discharge centrifuge of claim 1, wherein: the drum rotating shaft belt wheel (21) and the main motor belt wheel (26) are arranged on the same horizontal plane.

6. The vertical spiral discharge centrifuge of claim 1, wherein: the spiral rotating shaft belt wheel (20) and the auxiliary motor belt wheel (15) are arranged on the same horizontal plane.

7. The vertical spiral discharge centrifuge of claim 1, wherein: and a plurality of boosting blades which are uniformly distributed along the circumference are distributed on the distributing device (6).

8. The vertical spiral discharge centrifuge of claim 1, wherein: the periphery of the boosting blade of the distributing device (6) is fixedly connected with a conical barrel.

9. The vertical spiral discharge centrifuge of claim 1, wherein: the rotating speed of the auxiliary motor (14) is given by a frequency converter, and a rotating speed difference exists between the spiral conveyor (11) and the rotary drum (4).

10. The vertical spiral discharge centrifuge of claim 1, wherein: the spiral rotating shaft (9) rotates at a high speed relative to the rotating drum rotating shaft (10), and the rotating drum rotating shaft (10) rotates at a high speed relative to the rotating shaft mounting seat (22).

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