CN211412187U

CN211412187U - Novel high-efficient pulpifying ware

Info

Publication number: CN211412187U
Application number: CN201922110993.9U
Authority: CN
Inventors: 王庆安; 王云豹; 李香芳; 赵宝华; 高秀本
Original assignee: Chinalco Shandong Engineering Technology Co ltd
Current assignee: Chinalco Shandong Engineering Technology Co ltd
Priority date: 2019-11-30
Filing date: 2019-11-30
Publication date: 2020-09-04
Anticipated expiration: 2029-11-30

Abstract

A novel high-efficiency slurry machine belongs to the technical field of solid-liquid separation filter cake slurry. The method is characterized in that: at least two crushing screws (6) are arranged side by side, and a discharge bin (3) is arranged on the groove body (4); crushing spiral (6) include main shaft (7) and set up the conveyor blade on main shaft (7), break up blade (11) and unload blade (12), unload blade (12) and be on a parallel with the axis setting of main shaft (7), unload blade (12) and feed bin (3) down just to setting up, conveyor blade is provided with the multiunit along the axial interval of main shaft (7), all be provided with between every adjacent two sets of conveyor blade and break up blade (11), break up the axis setting of blade (11) perpendicular to main shaft (7). This novel high-efficient pulp ware can break up the filter cake in the filter cake transportation process to the cooperation is carried the blade, breaks up the filter cake into the thick liquid thing, and the pulp is effectual, and breaks up efficiently.

Description

Novel high-efficient pulpifying ware

Technical Field

A novel high-efficiency slurry machine belongs to the technical field of solid-liquid separation filter cake slurry.

Background

In the production of alumina, a filter cake formed by extrusion in the solid-liquid separation process is scattered by a single-shaft slurrying device and then returns to a liquid receiving tank for standby. The filter cake that forms through the pressure filter extrusion, moisture is less than 15%, and the helical structure of current unipolar slurrying ware is difficult to break up into the filter cake into thick liquid thing, and efficiency is also low, and the slurrying effect is not thorough yet, and the block gets into to deposit to the tank bottom portion after receiving the cistern very easily, causes the drain pipe to block up. Meanwhile, the sealing at the two ends often fails to cause slurry leakage, the slurry enters a bearing seat, the bearing often fails to cause leakage of alkaline slurry, and the environment is polluted.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide one kind and can thoroughly break up into the thick liquid to the filter cake, novel high-efficient pulp ware that the pulp is effectual.

The utility model provides a technical scheme that its technical problem adopted is: this novel high-efficient pulpifying ware, its characterized in that: the crushing device comprises a groove body and at least two crushing screws in the groove body, wherein the crushing screws are arranged side by side and are connected with a power device for driving the crushing screws to rotate, and a discharge bin is arranged on the groove body;

the crushing screw comprises a main shaft, conveying blades arranged on the main shaft, scattering blades and discharging blades, wherein the discharging blades are arranged in parallel to the axis of the main shaft, the discharging blades are arranged opposite to the discharging bin, multiple groups of conveying blades are arranged at intervals along the axial direction of the main shaft, the scattering blades are arranged between every two adjacent groups of conveying blades, and the scattering blades are arranged perpendicular to the axis of the main shaft.

Preferably, the conveying blades comprise pushing blades and returning blades, the pushing blades are provided with a plurality of groups at intervals in the direction close to the discharging blades and convey the materials to the discharging blades, the returning blades are arranged between every two adjacent groups of pushing blades, and the conveying directions of the returning blades and the pushing blades are opposite.

Preferably, the material returning blade include the one-level material returning blade and the second grade material returning blade that set gradually along the direction that is close to the blade of unloading, the contained angle of one-level material returning blade and the axis of main shaft is 45, and the contained angle of second grade material returning blade and the axis of main shaft is 60.

Preferably, the included angle between the pushing blade and the axis of the main shaft is 45 degrees.

Preferably, the device also comprises overflow grooves arranged at two ends of the groove body, and a liquid outlet is arranged at the lower part of the overflow groove.

Preferably, both ends of the crushing screw penetrate through the overflow grooves on the corresponding sides and extend outwards, and packing seals are arranged between one end of the crushing screw, which is far away from the groove body, and the overflow grooves on the corresponding sides.

Preferably, a thread seal is provided between the end of each pulverizing helix and the corresponding side of the tank body.

Preferably, the end of the groove body is provided with a sealing barrel, one end of the sealing barrel is communicated with the groove body, the other end of the sealing barrel is sealed, the sealing barrel is coaxially sleeved outside the corresponding crushing screw, the sealing end of the sealing barrel is rotatably connected with the corresponding crushing screw, the crushing screw in the sealing barrel is provided with a sealing thread, and the sealing thread is matched with the sealing barrel to form the thread seal.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

1. this novel conveying blade on crushing spiral of high-efficient pulp ware carries the filter cake to the blade department of unloading, can avoid the filter cake to subside to the tank bottom, avoid causing the jam to the drain pipe, all be provided with between every adjacent two sets of conveying blade and break up the blade, can break up the filter cake in the filter cake transportation process, and cooperation conveying blade, break up the filter cake into the thick liquid thing, two crushing spirals cooperate, it is effectual to make the pulp, and break up efficiently, the blade of unloading can make the thick liquid thing after breaking up send out through unloading storehouse, the ejection of compact is smooth and easy.

2. The material pushing blade conveys materials to the discharging blade, the material returning blade conveys the materials along the direction far away from the discharging blade, and the scattering blade is arranged between the material pushing blade and the material returning blade in a matched mode, so that the retention time of a filter cake at the position of the scattering blade can be prolonged, the filter cake is scattered into slurry, the scattering effect is good, and the filter cake can be prevented from settling to the bottom of the tank body.

3. The overflow launder can play the overflow effect, and the liquid outlet and the liquid receiving tank intercommunication of overflow launder to can send the thick liquid thing of overflow flow to the liquid receiving tank in for use.

4. Packing seals are arranged between the overflow grooves and the corresponding crushing screws, so that leakage between the overflow grooves and the crushing screws is avoided.

5. The thread sealing can avoid leakage between the crushing screw and the groove body, and avoid pollution to the environment.

Drawings

FIG. 1 is a schematic front view of a novel high efficiency slurrifier.

FIG. 2 is a schematic top view of the novel high efficiency slurrifier.

Fig. 3 is a schematic front view of a spiral.

FIG. 4 is a schematic view of the seal between the spiral and the isopipe.

In the figure: 1. the device comprises a power device 2, a mounting seat 3, a discharging bin 4, a groove body 5, a base 6, a crushing screw 7, a main shaft 8, a pushing blade 9, a primary material returning blade 10, a secondary material returning blade 11, a scattering blade 12, a discharging blade 13, a sealing thread 14, a sealing cylinder 15, a mounting shaft 16, a packing seal 17 and an overflow groove.

Detailed Description

Fig. 1 to 4 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 4.

A novel efficient pulpifying device comprises a tank body 4 and at least two crushing screws 6 arranged in the tank body 4 side by side, wherein the crushing screws 6 are connected with a power device 1 for driving the crushing screws to rotate, and a lower material bin 3 is arranged on the tank body 4; crushing spiral 6 includes main shaft 7 and sets up conveying vane, break up blade 11 and the blade of unloading 12 on main shaft 7, and the blade of unloading 12 is on a parallel with the axis setting of main shaft 7, and the blade of unloading 12 is just to setting up with feed bin 3, and conveying vane is provided with the multiunit along the axial interval of main shaft 7, all is provided with between every adjacent two sets of conveying vane and breaks up blade 11, breaks up the axis setting of blade 11 perpendicular to main shaft 7. This novel conveying blade on the crushing spiral of high-efficient pulp ware carries the filter cake to 12 departments of unloading, can avoid the filter cake to subside to the tank bottom, avoid causing the jam to the drain pipe, all be provided with between every adjacent two sets of conveying blade and break up blade 11, can break up the filter cake in the filter cake transportation process, and cooperation conveying blade, break up the filter cake into thick liquid thing, two crushing spirals 6 cooperate, it is effectual to make the pulp, and break up efficiently, unloading blade 12 can make the thick liquid thing after breaking up send out through feed bin 3, the ejection of compact is smooth and easy.

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Specifically, the method comprises the following steps: as shown in FIGS. 1-2: the tank body 4 is horizontally arranged, the tank body 4 is arranged on the base 5, and the lower side of the tank body 4 is connected with the base 5. Two crushing screws 6 are arranged in the groove body 4 in parallel at intervals, two ends of each crushing screw 6 are respectively connected with an installation shaft 15, and the installation shafts 15 are rotatably installed on the installation base 2. The power device is in one-to-one correspondence with the crushing screws 6 and is connected with the corresponding crushing screws 6, and the power device is connected with the crushing screws 6 and drives the crushing screws to rotate, so that the filter cakes in the tank body 4 are crushed. The crushing screw 6 may be provided in plural as necessary. One side of the middle part of the groove body 4 is provided with a discharging bin 3, the discharging bin 3 is communicated with the groove body 4, the discharging bin 3 and the groove body 4 are sealed through a baffle, and the baffle is in sliding connection with the groove body 4.

The power device comprises a motor and a speed reducer, the motor is installed on the base, the speed reducer is arranged between the corresponding motor and the crushing screw 6, an output shaft of the motor is connected with an input shaft of the speed reducer, an output shaft of the speed reducer is connected with a corresponding installation shaft 15, the crushing screw 6 corresponding to the output shaft is driven to rotate through the installation shaft 15, and the speed reducer can regulate the speed of the crushing screw 6 to enable the rotation speed of the crushing screw 6 to be moderate.

As shown in fig. 3: crushing spiral 6 includes main shaft 7 and sets up the conveyor blade on main shaft 7, break up blade 11 and discharge blade 12, discharge blade 12 sets up on being on a parallel with main shaft 7's axis, discharge blade 12 links to each other with main shaft 7 and rotates along with main shaft 7 is synchronous, discharge blade 12's each side all is provided with multiunit conveyor blade, conveyor blade is along main shaft 7's axis direction interval equipartition, every adjacent two sets of conveyor blade interval sets up, and all be provided with between every adjacent two sets of conveyor blade and between discharge blade 12 and rather than adjacent conveyor blade and break up blade 11, break up the axis setting of blade 11 perpendicular to main shaft 7.

In this embodiment, four discharging blades 12 are uniformly distributed around the main shaft 7 at intervals, and a plurality of groups of scattering blades 11 are uniformly distributed between every two adjacent discharging blades 12.

The conveying blades comprise pushing blades 8 and returning blades, a plurality of groups of pushing blades 8 are uniformly distributed on each side of the discharging blade 12 at intervals along the axis of the main shaft 7, the included angle between each pushing blade 8 and the axis of the main shaft 7 is 45 degrees, and the filter cakes are conveyed towards the direction close to the discharging blades 12 along with the rotation of the crushing screw 6. And one side of each pushing blade 8, which is close to the discharging blade 12, is provided with a material returning blade at intervals, and the material returning blades convey filter cakes to the direction far away from the discharging blade 12 along with the rotation of the crushing screw 6. Scattering blades 11 are arranged between the pushing blade 8 and the material returning blade and between the material returning blade and the discharging blade 12 at intervals. In this embodiment, each group of pushing blades 8 includes four blades uniformly spaced around the main shaft 7.

The material returning blade comprises a first-stage material returning blade 9 and a second-stage material returning blade 10, the second-stage material returning blade 10 is arranged on one side, close to the discharging blade 12, of the first-stage material returning blade 9, the included angle between the first-stage material returning blade 9 and the axis of the main shaft 7 is 45 degrees, and the included angle between the second-stage material returning blade 10 and the axis of the main shaft 7 is 60 degrees. Each group of first-stage return blades 9 comprises four blades uniformly distributed at intervals around the main shaft 7, and each group of second-stage return blades 10 comprises four blades uniformly distributed at intervals around the main shaft 7.

The material pushing blade 8 conveys the filter cake to the direction close to the discharging blade 12, and the first-stage material returning blade 9 and the second-stage material returning blade 10 convey the filter cake to the direction far away from the discharging blade 12, so that the retention time of the filter cake in the groove body 4 can be prolonged, the filter cake is guaranteed to be quickly crushed into slurry, the crushing efficiency is high, and the filter cake can be prevented from being settled at the bottom of the groove body 4.

As shown in fig. 4: the novel efficient slurry machine further comprises overflow grooves 17 arranged at two ends of the tank body 4, a liquid outlet is arranged at the bottom of each overflow groove 17, the liquid outlet at the bottom of each overflow groove 17 is connected with the liquid receiving groove, and slurry flowing out of the overflow grooves is conveyed into the liquid receiving groove for standby.

The end of the crushing screw 6 extends to the middle of the overflow groove 17 on the corresponding side, and the end of the mounting shaft 15 also extends to the middle of the overflow groove 17 on the corresponding side, is connected with the corresponding end of the crushing screw 6, and keeps rotating synchronously.

Packing seals 16 are provided between the mounting shaft 15 and the overflow tank 17 on the corresponding side to prevent leakage of the slurry in the overflow tank 17.

Each end of the groove body 4 is provided with a sealing barrel 14 matched with the crushing screw 6, the sealing barrel 14 is arranged in an overflow groove 17 on the corresponding side, one end of the sealing barrel 14 is communicated with the groove body 4, the other end of the sealing barrel is arranged in a closed mode, the sealing barrel 14 is sleeved outside the corresponding crushing screw 6, the end part of the crushing screw 6 penetrates through the closed end of the sealing barrel 14 on the corresponding side and then is coaxially connected with the mounting shaft 15 on the corresponding side, and the closed end of the sealing barrel 14 is rotatably connected with the corresponding crushing screw 6. The end part of the crushing screw 6 is provided with a sealing thread 13, and the sealing thread 13 is arranged in a sealing cylinder 14 on the corresponding side and is matched with the sealing cylinder 14 to form thread sealing.

The novel high-efficiency slurry machine adopts a special structure of the double-sealing overflow groove 17 to thoroughly solve the problem of slurry leakage, and can greatly reduce the maintenance cost. The trough body 4 has three structures of one end blanking, two ends blanking at the same time and middle blanking, and is divided into two forms of single-side blanking and two-side blanking, and six blanking modes can be combined.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A novel high-efficient pulpifying ware which characterized in that: the device comprises a tank body (4) and crushing screws (6) in the tank body (4), wherein at least two crushing screws (6) are arranged side by side, the crushing screws (6) are connected with a power device (1) for driving the crushing screws to rotate, and a lower storage bin (3) is arranged on the tank body (4);

crushing spiral (6) include main shaft (7) and set up the conveyor blade on main shaft (7), break up blade (11) and unload blade (12), unload blade (12) and be on a parallel with the axis setting of main shaft (7), unload blade (12) and feed bin (3) down just to setting up, conveyor blade is provided with the multiunit along the axial interval of main shaft (7), all be provided with between every adjacent two sets of conveyor blade and break up blade (11), break up the axis setting of blade (11) perpendicular to main shaft (7).

2. The new high efficiency slurry machine according to claim 1, wherein: the conveying blades comprise material pushing blades (8) and material returning blades, multiple groups of material pushing blades (8) are arranged at intervals in the direction close to the discharging blades (12) and convey materials to the discharging blades (12), the material returning blades are arranged between every two adjacent groups of material pushing blades (8), and the conveying directions of the material returning blades and the material pushing blades (8) are opposite.

3. The new high efficiency slurry machine according to claim 2, wherein: the material returning blade comprises a first-stage material returning blade (9) and a second-stage material returning blade (10) which are sequentially arranged along the direction close to the discharging blade (12), the included angle between the first-stage material returning blade (9) and the axis of the main shaft (7) is 45 degrees, and the included angle between the second-stage material returning blade (10) and the axis of the main shaft (7) is 60 degrees.

4. The new high efficiency slurry machine according to claim 2, wherein: the included angle between the pushing blade (8) and the axis of the main shaft (7) is 45 degrees.

5. The new high efficiency slurry machine according to claim 1, wherein: the device also comprises overflow chutes (17) arranged at two ends of the tank body (4), and liquid outlets are arranged at the lower parts of the overflow chutes (17).

6. The new high efficiency slurry machine according to claim 5, wherein: the two ends of the crushing screw (6) penetrate through the overflow grooves (17) on the corresponding sides and extend outwards, and packing seals (16) are arranged between one end of the crushing screw (6) far away from the groove body (4) and the overflow grooves (17) on the corresponding sides.

7. The new high efficiency slurry vessel according to claim 1 or 5 wherein: and a thread seal is arranged between the end part of each crushing spiral (6) and the corresponding side of the groove body (4).

8. The new high efficiency slurry machine according to claim 6, wherein: the end of the groove body (4) is provided with a sealing barrel (14), one end of the sealing barrel (14) is communicated with the groove body (4), the other end of the sealing barrel is sealed, the sealing barrel (14) is coaxially sleeved outside the corresponding crushing screw (6), the closed end of the sealing barrel (14) is rotatably connected with the corresponding crushing screw (6), sealing threads (13) are arranged on the crushing screw (6) in the sealing barrel (14), and the sealing threads (13) are matched with the sealing barrel (14) to form the thread sealing.