CN210648492U

CN210648492U - Pre-alloyed powder slurry granulating equipment

Info

Publication number: CN210648492U
Application number: CN201921425253.8U
Authority: CN
Inventors: 贾士博; 贾亦真; 曹文利; 贾吉强; 贾士真
Original assignee: Shijiazhuang Baite Tools Co Ltd
Current assignee: Shijiazhuang Baite Tools Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-06-02
Anticipated expiration: 2029-08-29

Abstract

The utility model provides a prealloy powder ground paste pelletization equipment belongs to pelletization equipment technical field, which comprises a frame, the extrusion storehouse, extrusion mechanism, break up storehouse mechanism and conveying mechanism, extrusion storehouse and frame fixed connection, the extrusion storehouse has and sets up the hole of leaking material on first diapire and the first diapire, extrusion mechanism includes and rotates extrusion piece and the first drive assembly who is connected with the frame, the extrusion piece is equipped with first stupefied and first inclined plane, breaks up storehouse mechanism including breaking up storehouse and second drive assembly, breaks up the storehouse lower part and is equipped with the discharge gate, conveying mechanism is used for carrying the material that leaks down from the discharge gate. The utility model provides a prealloying powder ground paste pelletization equipment rotates the extrusion piece for prealloying powder ground paste in the space between first inclined plane and the first diapire leaks into from the hourglass material hole and breaks up the storehouse, breaks up the storehouse and breaks up these materials through the motion, so, the utility model provides a problem how to make the prealloying powder ground paste into the granule.

Description

Pre-alloyed powder slurry granulating equipment

Technical Field

The utility model belongs to the technical field of pelletization equipment, more specifically say, relate to a prealloy powder ground paste pelletization equipment.

Background

In the production of diamond tools, it is necessary to mix diamond powder with other metal powders to form a pre-alloyed powder, and to add a wet medium to form a slurry during the mixing process, and then to form the pre-alloyed powder slurry into particles, which are the material from which the diamond tools are made. In realizing the utility model discloses an in-process, the utility model discloses the equipment that will contain the powder ground paste pelletization of prealloying of diamond powder on the people discovery existing market is less, has influenced diamond tool's production to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an alloy powder ground paste pelletization equipment in advance aims at solving the problem how to make the granule with alloy powder ground paste in advance.

In order to achieve the above object, the utility model adopts the following technical scheme: the prealloying powder slurry granulating equipment comprises a rack, an extrusion bin, an extrusion mechanism, a scattering bin mechanism and a conveying mechanism, wherein the extrusion bin is fixedly connected with the rack and used for placing prealloying powder slurry, the extrusion bin is provided with a first bottom wall, and a plurality of material leaking holes are formed in the first bottom wall; the extrusion mechanism comprises an extrusion block which is rotationally connected with the rack and a first driving assembly which is used for driving the extrusion block to rotate, the extrusion block is provided with a first ridge which is used for being in contact with the first bottom wall and sweeping the material leakage hole, and a first inclined surface which is connected with the first ridge and used for forming a space for containing the pre-alloyed powder slurry with the first bottom wall, and the first inclined surface is used for extruding the pre-alloyed powder slurry to the material leakage hole through the relative movement of the extrusion block and the first bottom wall; the scattering bin mechanism comprises a scattering bin which is arranged below the material leakage hole and used for receiving materials leaked from the material leakage hole, and a second driving assembly which is used for driving the scattering bin to move and enabling the materials to collide with the side wall of the scattering bin, and a discharge hole is formed in the lower part of the scattering bin; and the conveying mechanism is arranged below the discharge port and used for conveying the materials leaked from the discharge port.

Furthermore, the first driving assembly comprises a rotating column and a first driver, the rotating column is rotatably connected with the rack around a vertical axis, and the bottom end of the rotating column is fixedly connected with the extrusion block; the first driver is fixedly connected with the rack and used for driving the rotating column to rotate.

Further, the number of the extrusion blocks is a plurality of extrusion blocks arranged around the axis of the rotating column.

Furthermore, the first bottom wall is detachably connected with the side wall of the extrusion bin through a dismounting mechanism, the dismounting mechanism comprises a plurality of connecting columns and compression nuts, the connecting columns are fixedly connected with the side wall of the extrusion bin, and one end of each connecting column penetrates through the first bottom wall and the leaking end of each connecting column is provided with an external thread; the compression nuts are provided with a plurality of threads which are in one-to-one correspondence with the connecting columns, and the compression nuts are used for compressing the first bottom wall.

Further, the scattering bin is provided with an inner circular bin and an outer circular bin which are communicated, and the side walls of the inner circular bin and the outer circular bin are used for colliding with materials in the inner circular bin and the outer circular bin.

Furthermore, the scattering bin further comprises a connecting wall, two ends of the connecting wall are respectively connected with the inner circular bin and the outer ring bin, and the discharge port is formed in the connecting position of the connecting wall and the outer side wall of the outer ring bin.

Furthermore, the upper end of the extrusion bin is an open end, a material conveying device is arranged above the open end and comprises a conveying bin, a conveying screw rod and a filling bin, the conveying bin is fixedly connected with the rack, and a conveying opening located right above the open end is formed in the bottom wall of the conveying bin; the conveying screw is rotationally connected with the conveying bin and is used for conveying the materials in the conveying bin to the conveying opening; the filler bin is arranged above the conveying bin, and the filler bin is fixedly connected with the conveying bin and communicated with the conveying bin in the vertical direction.

Further, conveying mechanism is including the conveyer belt that is used for carrying the material, the frame is including accepting the storehouse, it is located to accept the storehouse just below the discharge gate and link up from top to bottom, the lower terminal surface of accepting the storehouse with the transport face of conveyer belt is laminated mutually, it corresponds to accept the storehouse the lateral wall of conveyer belt direction of delivery has seted up the pay-off mouth that link up downwards.

The prealloying powder slurry granulating equipment further comprises a scraper and a connecting bolt, the scraper is perpendicular to the conveying direction of the conveying belt, the scraper is rotatably connected with the receiving bin around a horizontal axis, one end of the scraper in the vertical direction is a brush end, the brush end can be attached to the conveying surface when facing downwards, the scraper is provided with two threaded holes which are horizontally arranged, and the two threaded holes are arranged at intervals in the vertical direction; the connecting bolt is in threaded connection with one of the threaded holes and used for fixing the scraper and the bearing bin when the brush end of the scraper faces upwards or downwards.

Furthermore, the second driving assembly comprises two rotating discs, a second driver and connecting rods, the axis of each rotating disc is vertically arranged, and the rotating discs are rotationally connected with the rack around the axis of the rotating discs; the second driver is fixedly connected with the rack and drives one of the turntables to rotate; the connecting rod is horizontally arranged, two ends of the connecting rod are respectively connected with the two rotary tables in a rotating mode around a vertical axis, the connecting rod is fixedly connected with the scattering bin, and the connecting rod is used for driving the scattering bin to do circular motion along with the rotary tables.

The utility model provides a beneficial effect of prealloying powder ground paste pelletization equipment lies in: compared with the prior art, the pre-alloyed powder slurry granulating device of the utility model puts the mixed pre-alloyed powder slurry into the extrusion bin, then the extrusion block is rotated to enable the first inclined surface to extrude the pre-alloyed powder slurry in the space between the first inclined surface and the first bottom wall, so that the pre-alloyed powder slurry in the space between the first inclined surface and the first bottom wall leaks from the material leakage hole, meanwhile, the pre-alloyed powder slurry on the upper layer moves downwards, the pre-alloyed powder slurry forms strip-shaped materials after leaking from the material leaking holes, the strip-shaped materials fall into a scattering bin, the scattering bin throws the strip-shaped materials onto the side wall of the scattering bin through movement to scatter the strip-shaped materials to form particles, these granules leak conveying mechanism through the discharge gate, carry next process through conveying mechanism at last, so, the utility model provides a problem how to make the granule with the pre-alloyed powder ground paste.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic axial view of a pre-alloyed powder slurry granulating apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a prealloyed powder slurry granulating apparatus according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of a pre-alloyed powder slurry granulating apparatus according to an embodiment of the present invention;

fig. 4 is a schematic view of an axial structure of the pre-alloyed powder slurry granulating apparatus according to the embodiment of the present invention after fixing the extrusion block and the rotating column;

fig. 5 is a schematic axial view of a first bottom wall of a pre-alloyed powder slurry granulating apparatus according to an embodiment of the present invention;

fig. 6 is a schematic axial view of a turntable in a pre-alloyed powder slurry granulating apparatus according to an embodiment of the present invention.

In the figure: 1. a frame; 2. extruding the bin; 21. a first bottom wall; 211. a material leaking hole; 212. a projection; 22. an open end; 31. extruding the block; 311. a first ridge; 312. a first inclined surface; 32. a first drive assembly; 321. rotating the column; 322. a first driver; 4. scattering the materials; 41. an inner round bin; 42. an outer ring bin; 401. a discharge port; 5. a conveyor belt; 51. a conveying surface; 6. a disassembly mechanism; 61. connecting columns; 62. a compression nut; 7. a connecting wall; 8. a feeding device; 81. a conveying bin; 811. a delivery port; 82. a conveying screw; 83. a material filling bin; 9. a receiving bin; 91. a feed port; 100. dropping the pipe; 110. a squeegee; 111. a brush end; 112. a threaded hole; 120. a connecting bolt; 130. a second drive assembly; 131. a turntable; 1311. an annular groove; 132. a second driver; 133. a connecting rod; 140. a roller; 150. and a third driver.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 5, a description will now be given of the apparatus for granulating a pre-alloyed powder slurry according to the present invention. The pre-alloyed powder slurry granulating device comprises a frame 1, an extrusion bin 2, an extrusion mechanism, a scattering bin mechanism and a conveying mechanism, wherein the extrusion bin 2 is fixedly connected with the frame 1 and used for placing pre-alloyed powder slurry, the extrusion bin 2 is provided with a first bottom wall 21, and a plurality of material leaking holes 211 are formed in the first bottom wall 21; the extrusion mechanism comprises an extrusion block 31 rotationally connected with the frame 1 and a first driving assembly 32 used for driving the extrusion block 31 to rotate, the extrusion block 31 is provided with a first ridge 311 used for contacting with the first bottom wall 21 and sweeping the material leakage hole 211, and a first inclined surface 312 connected with the first ridge 311 and used for forming a space for containing the pre-alloyed powder slurry with the first bottom wall 21, and the first inclined surface 312 is used for extruding the pre-alloyed powder slurry to the material leakage hole 211 through the relative movement of the extrusion block 31 and the first bottom wall 21; the scattering bin mechanism comprises a scattering bin 4 arranged below the material leakage hole 211 and used for receiving materials leaked from the material leakage hole 211 and a second driving assembly 130 used for driving the scattering bin 4 to move and enabling the materials to collide with the side wall of the scattering bin 4, and a discharge hole 401 is formed in the lower portion of the scattering bin 4; and the conveying mechanism is arranged below the discharge port 401 and is used for conveying the materials leaked from the discharge port 401.

Compared with the prior art, the pre-alloyed powder slurry granulating device provided by the utility model puts the mixed pre-alloyed powder slurry into the extrusion bin 2, then rotates the extrusion block 31 to enable the first inclined plane 312 to extrude the pre-alloyed powder slurry in the space between the first inclined plane 312 and the first bottom wall 21, so that the pre-alloyed powder slurry in the space between the first inclined plane 312 and the first bottom wall 21 leaks from the leakage hole 211, meanwhile, the pre-alloyed powder slurry on the upper layer moves downwards, the pre-alloyed powder slurry forms strip-shaped materials after leaking from the leakage hole 211, the strip-shaped materials fall into the scattering bin 4, the scattering bin 4 throws the strip-shaped materials onto the side wall of the scattering bin 4 through movement to scatter to form particles, the particles leak to the conveying mechanism through the discharge port 401, and finally, the next procedure is conveyed through the conveying mechanism, therefore, the utility model solves the problem of how to make the pre-alloyed powder slurry into particles.

As a specific embodiment of the pre-alloyed powder slurry granulating apparatus provided by the present invention, please refer to fig. 3, the first driving assembly 32 includes a rotating column 321 and a first driver 322, the rotating column 321 is rotatably connected to the frame 1 around a vertical axis, and the bottom end of the rotating column is fixedly connected to the extrusion block 31; the first driver 322 is fixedly connected to the frame 1, and is configured to drive the rotating rod 321 to rotate, the first driver 322 drives the rotating rod 321 to rotate, and the rotating rod 321 drives the squeezing block 31 to rotate together. In this embodiment, the first driver 322 may employ a motor.

As a specific embodiment of the pre-alloyed powder slurry granulating apparatus provided by the present invention, please refer to fig. 4, the number of the extrusion blocks 31 is plural, which is set around the axial lead of the rotating column 321, and the plurality of extrusion blocks 31 rotate simultaneously to improve the efficiency of extrusion.

As a specific embodiment of the pre-alloyed powder slurry granulating apparatus provided by the present invention, please refer to fig. 2, the first bottom wall 21 is detachably connected with the side wall of the extrusion chamber 2 by means of a detaching mechanism 6, the detaching mechanism 6 includes a connecting column 61 and a gland nut 62, the number of the connecting columns 61 is plural, and the connecting columns are fixedly connected with the side wall of the extrusion chamber 2, and one end passes through the first bottom wall 21 and the leaking end is provided with an external thread; the compression nuts 62 are provided in plurality and are in one-to-one threaded connection with the connecting column 61, and the compression nuts 62 are used for compressing the first bottom wall 21. Because first diapire 21 wearing and tearing are very fast, and the cost of changing whole extrusion storehouse 2 is higher, so with the lateral wall that first diapire 21 can be dismantled and connect extrusion storehouse 2, first diapire 21 is worn and torn to the back that can not use, only need change first diapire 21 can, and need not change whole extrusion storehouse 2, the cost is reduced. When the first bottom wall 21 needs to be replaced, the compression nut 62 is removed, the damaged first bottom wall 21 is removed, the new first bottom wall is replaced, and finally the compression nut 62 is mounted on the connecting column 61 and screwed down. In this embodiment, a plurality of projections 212 may be provided in the radial direction of the bottom wall, and each projection 212 is used to pass through one of the connecting posts 61, so that the detachment of the first connecting wall 7 can be facilitated.

As a specific implementation manner of the pre-alloyed powder slurry granulating device provided by the present invention, please refer to fig. 1, the scattering bin 4 has an inner circular bin 41 and an outer circular bin 42 which are communicated, the side walls of the inner circular bin 41 and the outer circular bin 42 are used for colliding with the materials therein, this mechanism is equivalent to that two layers of side walls are provided for scattering the materials in the scattering bin 4, and the scattering efficiency is improved.

As the utility model provides a prealloy powder ground paste pelletization equipment's a specific implementation way, please refer to fig. 1, break up storehouse 4 still includes connecting wall 7, connecting wall 7's both ends are connected with interior round bin 41 and outer loop storehouse 42 respectively, the junction of the lateral wall of connecting wall 7 and outer loop storehouse 42 is located to discharge gate 401, can prevent like this that some materials from not just getting into discharge gate 401 through breaking up, in this embodiment, the diameter of discharge gate 401 equals the clearance between interior round bin 41 and the outer loop storehouse 42, can make like this that the granule of being broken up all leak down from discharge gate 401.

As a specific implementation manner of the pre-alloyed powder slurry granulating apparatus provided by the present invention, please refer to fig. 2 and fig. 3, the upper end of the extrusion bin 2 is an open end 22, a feeding device 8 is arranged above the open end 22, the feeding device 8 includes a conveying bin 81, a conveying screw 82 and a filler bin 83, the conveying bin 81 is fixedly connected with the frame 1, and a conveying port 811 located right above the open end 22 is formed on the bottom wall of the conveying bin 81; the conveying screw 82 is rotatably connected with the conveying bin 81 and is used for conveying the materials in the conveying bin 81 to the conveying opening 811; the filler bin 83 is arranged above the conveying bin 81, and the filler bin 83 is fixedly connected with the conveying bin 81 and communicated with the conveying bin 81 in the vertical direction. The prealloyed powder slurry is placed in the filler bin 83, the conveying screw 82 rotates to convey the prealloyed powder slurry falling from the filler bin 83 into the conveying bin 81 to the conveying port 811, and the prealloyed powder slurry falls from the conveying port 811 into the extrusion bin 2. The feeding device 8 is beneficial to the continuous production of the equipment. In this embodiment, one side of the open end 22 extends upward to connect the frame 1, and the other side thereof is inclined upward and protruded outward, so that it is ensured that the pre-alloyed powder slurry falling downward from the feed port 811 falls entirely into the pressing chamber 2. And the side projecting outward from the open end 22 allows observation of the amount of material remaining in the extrusion chamber 2 to determine whether to activate the conveyor screw 82.

As the utility model provides a prealloy powder ground paste pelletization equipment's a specific implementation mode, please refer to fig. 1, conveying mechanism is including the conveyer belt 5 that is used for carrying the material, frame 1 is including accepting storehouse 9, accept storehouse 9 and be located discharge gate 401 under and link up from top to bottom, the lower terminal surface of accepting storehouse 9 is laminated with the transport face 51 of conveyer belt 5 mutually, accept the lateral wall that storehouse 9 corresponds 5 direction of delivery of conveyer belt and set up the pay-off mouth 91 that link up downwards, accept storehouse 9 and can prevent to fall down from discharge gate 401 from conveyer belt 5 on the way of being carried by conveyer belt 5 from falling down, material on the conveyer belt 5 gets into down one process after coming out from pay-off mouth 91.

As a specific implementation manner of the pre-alloyed powder slurry granulating device provided by the present invention, please refer to fig. 1, the discharge port 401 is connected with the falling pipe 100, the bottom surface of the falling pipe 100 is located in the receiving chamber 9 and the conveying surface 51 is left with a gap for conveying materials, since the scattering chamber 4 is in motion, the falling pipe 100 is set to prevent the materials falling from the discharge port 401 from flying out of the receiving range of the conveying surface 51 due to inertia in the process of motion of the scattering chamber 4.

As a specific implementation manner of the pre-alloyed powder slurry granulating device provided by the present invention, please refer to fig. 1, the pre-alloyed powder slurry granulating device further includes a scraper 110 and a connecting bolt 120, the scraper 110 is perpendicular to the conveying direction of the conveyor belt 5, the scraper 110 is rotatably connected with the receiving bin 9 around a horizontal axis, one end of the scraper 110 in the up-and-down direction is a brush end 111, and the brush end 111 can be attached to the conveying surface 51 when facing downward, the scraper 110 is provided with two horizontally arranged threaded holes 112, and the two threaded holes 112 are arranged at intervals in the up-and-down direction; and the connecting bolt 120 is in threaded connection with one threaded hole 112 and is used for fixing the scraper 110 and the bearing bin 9 when the brush end 111 of the scraper 110 faces upwards or downwards. When the conveyer belt 5 needs to convey materials, the scraper 110 is rotated to enable the brush end 111 to face upwards, the threaded end of the connecting bolt 120 is fixedly connected with a corresponding threaded hole 112, when the conveyer belt 5 needs to be cleaned, the scraper 110 is rotated to enable the brush end 111 to face downwards to be attached to the conveying surface 51, then the conveyer belt 5 is started, and the brush end 111 can clean the conveying surface 51.

As a specific embodiment of the pre-alloyed powder slurry granulation apparatus provided by the present invention, please refer to fig. 1, fig. 2 and fig. 6, the second driving assembly 130 includes two rotating discs 131, a second driver 132 and two connecting rods 133, the axial line of the rotating discs 131 is vertically disposed, and the rotating discs 131 are rotatably connected to the frame 1 around the axial line; the second driver 132 is fixedly connected with the frame 1, and the second driver 132 drives one of the turntables 131 to rotate; the connecting rod 133 is horizontally arranged, two ends of the connecting rod 133 are respectively connected with the two rotating discs 131 in a rotating mode around a vertical axis, the connecting rod 133 is fixedly connected with the scattering bin 4, and the connecting rod 133 is used for driving the scattering bin 4 to do circular motion along with the rotating discs 131. The two turntables 131 rotate synchronously to realize the circular motion of the connecting rod 133, and the connecting rod 133 is fixedly connected with the scattering bin 4, so that the scattering bin 4 can also do the circular motion along with the connecting rod 133. In this embodiment, the upper and lower ends of the turntable 131 are respectively provided with an annular groove 1311, the annular groove 1311 at the upper end is used for being rotatably connected with the rack 1, the annular groove 1311 at the lower end is used for being rotatably connected with the connecting rod 133, and the rack 1 and the connecting rod 133 are both provided with annular protrusions matched with the respective corresponding annular grooves 1311. The second driver 132 may employ a motor.

As a specific implementation manner of the pre-alloyed powder slurry granulating device provided by the present invention, please refer to fig. 1 to fig. 2, in order to realize the conveying function of the conveying belt 5, the conveying belt 5 is sleeved on the two rollers 140, the two rollers 140 are all rotated to connect the frame 1, one of the rollers 140 is connected with the third driver 150, and the third driver 150 is fixedly connected to the frame 1. In this embodiment, the third driver 150 may employ a motor.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Prealloyed powder slurry granulation apparatus, comprising:

a frame;

the extrusion bin is fixedly connected with the rack and used for placing pre-alloyed powder slurry, and is provided with a first bottom wall, and a plurality of material leaking holes are formed in the first bottom wall;

the extrusion mechanism comprises an extrusion block which is rotationally connected with the rack and a first driving assembly which is used for driving the extrusion block to rotate, the extrusion block is provided with a first ridge which is used for being in contact with the first bottom wall and sweeping the material leakage hole, and a first inclined surface which is connected with the first ridge and used for forming a space for containing the pre-alloyed powder slurry with the first bottom wall, and the first inclined surface is used for extruding the pre-alloyed powder slurry to the material leakage hole through the relative movement of the extrusion block and the first bottom wall;

the scattering bin mechanism comprises a scattering bin which is arranged below the material leakage hole and used for receiving materials leaked from the material leakage hole, and a second driving assembly which is used for driving the scattering bin to move and enabling the materials to collide with the side wall of the scattering bin, wherein a discharge hole is formed in the lower part of the scattering bin;

and the conveying mechanism is arranged below the discharge port and used for conveying the materials leaked from the discharge port.

2. The apparatus for granulating a pre-alloyed powder slurry as set forth in claim 1, wherein said first drive assembly includes:

the rotating column is rotatably connected with the rack around a vertical axis, and the bottom end of the rotating column is fixedly connected with the extrusion block;

and the first driver is fixedly connected with the rack and used for driving the rotating column to rotate.

3. The apparatus for granulating a pre-alloyed powder slurry as claimed in claim 2, wherein said number of said extrusion blocks is plural and arranged around the axis of said rotating cylinder.

4. The prealloyed powder slurry granulation apparatus as defined in claim 1, wherein the first bottom wall is removably attached to the side wall of the extrusion chamber by a removal mechanism, the removal mechanism comprising:

a plurality of connecting columns are fixedly connected with the side wall of the extrusion bin, one end of each connecting column penetrates through the first bottom wall, and the leakage end of each connecting column is provided with an external thread;

the compression nuts are provided with a plurality of connection columns in one-to-one threaded connection and are used for compressing the first bottom wall.

5. The apparatus for granulating a feed stock of prealloyed powder of claim 1 wherein the break-up bin has an inner circular bin and an outer circular bin in communication, the side walls of the inner circular bin and the outer circular bin being adapted to collide with the feed stock therein.

6. The apparatus for granulating a feed slurry of prealloyed powder of claim 5 wherein the dispersing chamber further comprises a connecting wall, both ends of the connecting wall are connected to the inner circular chamber and the outer circular chamber, respectively, and the discharge port is located at the junction of the connecting wall and the outer sidewall of the outer circular chamber.

7. The apparatus for granulating a slurry of prealloyed powder as defined in claim 1, wherein the upper end of the extrusion chamber is open, and a delivery device is positioned above the open end, the delivery device comprising:

the conveying bin is fixedly connected with the rack, and a conveying opening which is positioned right above the opening end is formed in the bottom wall of the conveying bin;

the conveying screw is rotationally connected with the conveying bin and is used for conveying the materials in the conveying bin to the conveying opening;

and the filling bin is arranged above the conveying bin, fixedly connected with the conveying bin and communicated with the conveying bin in the vertical direction.

8. The prealloyed powder slurry granulation apparatus of claim 1 wherein the conveyor mechanism comprises a conveyor belt for conveying the material, and the frame comprises:

and the bearing bin is positioned under the discharge port and is communicated up and down, the lower end surface of the bearing bin is attached to the conveying surface of the conveying belt, and the side wall of the bearing bin corresponding to the conveying direction of the conveying belt is provided with a feeding port communicated downwards.

9. The apparatus for granulating a pre-alloyed powder slurry as set forth in claim 8, further including:

the scraping plate is perpendicular to the conveying direction of the conveying belt, is rotatably connected with the receiving bin around a horizontal axis, is provided with a brush end at one end in the vertical direction and can be attached to the conveying surface when the brush end faces downwards, and is provided with two threaded holes which are horizontally arranged at intervals in the vertical direction;

and the connecting bolt is in threaded connection with one of the threaded holes and is used for fixing the scraper and the bearing bin when the brush end of the scraper faces upwards or downwards.

10. The apparatus for granulating a pre-alloyed powder slurry as claimed in claim 1, wherein the second drive assembly comprises:

the rotary tables are arranged vertically, and the rotary tables are rotationally connected with the rack around the axial lines of the rotary tables;

the second driver is fixedly connected with the rack and drives one of the turntables to rotate;

the connecting rod is horizontally arranged, two ends of the connecting rod are respectively connected with the two turntables in a rotating mode around a vertical axis, the connecting rod is fixedly connected with the scattering bin, and the connecting rod is used for driving the scattering bin to do circular motion along with the turntables.