CN211838210U

CN211838210U - Grinder is used in production of water quality improver

Info

Publication number: CN211838210U
Application number: CN201922206726.1U
Authority: CN
Inventors: 陆洲; 沈亚萍; 蒋利平
Original assignee: Yixing Suyada Biotechnology Co ltd
Current assignee: Yixing Suyada Biotechnology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-11-03
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to the technical field of chemical production, in particular to a grinding device for producing a water quality modifier, which comprises an agitating grinding barrel, wherein the top end of the agitating grinding barrel is in threaded connection with a top cover, the top end of the top cover is fixedly connected with a dust falling box, the left side and the right side of the upper end of the inner wall of the agitating grinding barrel are both fixedly connected with a second cross fixing frame, the center of the left side and the right side of the inner wall of the agitating grinding barrel is both fixedly connected with a first discharge port, the bottom end of the first discharge port is provided with an upper grinding disc, the top cover is in threaded connection with the agitating grinding barrel, the overflow of dust in the agitating grinding barrel is reduced while raw materials are conveniently put in, the raw materials can conveniently fall into a feeding hole of the upper grinding disc by arranging the first discharge port, the lower grinding disc can rotate by arranging a grinding motor, so that, the possibility that the water is contacted with the grinding motor is reduced, so that the normal operation of the grinding motor is ensured.

Description

Grinder is used in production of water quality improver

Technical Field

The utility model relates to a chemical production technical field specifically is a grinder is used in production of water quality modifier.

Background

The water quality modifier is characterized in that the amount of harmful substances (such as ammonia nitrogen, nitrite, sulfide, suspended matters and the like) which influence the growth and the propagation of fishes in the aquaculture water is reduced by adding medicines with physical activity or chemical activity, so that the water body is more suitable for the needs of fishery aquaculture. Mainly comprises a physical active water quality substrate modifying agent, a chemical active water quality substrate modifying agent and a microecological preparation. Some of the three are applied jointly in production, and some are used singly.

Present water quality improver need grind the raw materials and mix when production, then carry out all the other steps again, in current production process, can only go on once to the grinding majority of raw materials, this just makes there are a lot of raw materials not ground well to there is serious harmful effects to the subsequent handling, can produce a large amount of dusts in addition during grinding, the workman works for a long time in this kind of environment has very not good influence to the health, for this reason, we propose a grinder for water quality improver production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a quality of water improver production is with grinder possesses and to carry out a lot of grinding to the raw materials, has reduced advantages such as the dust that produces when the raw materials grinds, has solved current device and has ground the raw materials inadequately, the big problem of dust when the raw materials grinds.

The utility model discloses a grinder for producing water quality improving agent, which comprises a stirring and grinding barrel, wherein the top end of the stirring and grinding barrel is in threaded connection with a top cover, the top end of the top cover is fixedly connected with a dust falling box, the left side and the right side of the upper end of the inner wall of the stirring and grinding barrel are both fixedly connected with a second cross fixing frame, the center of the left side and the right side of the inner wall of the stirring and grinding barrel are both fixedly connected with a first discharge port, the bottom end of the first discharge port is provided with an upper grinding disc, the bottom end of the upper grinding disc is provided with a lower grinding disc, the left side and the right side of the lower end of the inner wall of the stirring and grinding barrel are both fixedly connected with a first cross fixing frame, the top end of the first cross fixing frame is fixedly connected with a grinding box, the center of the, through setting up top cap and stirring grinding barrel threaded connection, the overflow of dust in the stirring grinding barrel has been reduced again when being convenient for put into the raw materials, through setting up a discharge gate, the raw materials of being convenient for fall into the pan feeding downthehole of abrasive disc, through setting up grinding motor for lower abrasive disc can rotate, thereby can grind the raw materials.

The utility model discloses a grinder is used in production of water quality improver, wherein grind the top of case and seted up the through-hole, the output shaft that grinds the motor rotates with the through-hole that grinds the case to be connected, the output shaft that grinds the motor and the central fixed connection of abrasive disc bottom down, the equal fixedly connected with grinding fixed block of lower extreme that grinds the motor left and right sides, two the bottom that grinds the fixed block all with the top fixed connection of a cross mount, through setting up the grinding case, reduced the possibility that water and grinding motor contacted to guarantee grinding motor's normal operation, grind the fixed block through setting up, can fix grinding motor, guaranteed grinding motor's normal operation.

The utility model discloses a grinder is used in production of water quality improver, wherein the central authorities on abrasive disc top have seted up the pan feeding hole, the internal diameter in pan feeding hole is greater than the external diameter of discharge gate No. one, the pan feeding hole is corresponding with the discharge gate No. one, go up a cross fixed axle of outside fixedly connected with of abrasive disc, go up the inner wall fixed connection of abrasive disc through a cross fixed axle and stirring abrasive drum, be greater than the external diameter of discharge gate through the internal diameter that sets up the pan feeding hole, reduced the raw materials from the discharge gate play the time outer probably of spilling, through setting up a cross fixed axle, can be with the inner wall of last abrasive disc fixed connection at stirring abrasive drum.

The utility model discloses a grinder for producing water quality improving agent, wherein the central authorities of lower grinding plate outer wall have seted up the annular groove, the upper and lower both ends of lower grinding plate annular groove inner wall all fixedly connected with a plurality of evenly distributed roll axis, a plurality of the outside of roll axis all rotates and is connected with solid fixed ring, the top of solid fixed ring contacts with the top of lower grinding plate annular groove inner wall, the outside fixedly connected with No. two cross fixed axles of solid fixed ring, No. two cross fixed axles and the inner wall fixed connection of stirring grinding barrel, one side that upper grinding plate and lower grinding plate are close to each other all fixedly connected with a plurality of groups of evenly distributed's grinding arch, the grinding arch crisscross distribution makes lower grinding plate can not rotate when rotating through setting up the roll axis, through setting up solid fixed ring and No. two cross fixed axles, can fix lower grinding plate on the inner wall of stirring grinding barrel, therefore, the grinding process is ensured, and the raw materials can be better ground by arranging the grinding bulges.

The utility model discloses a grinder for producing water quality improving agent, wherein the bottom of dust falling box inner wall is provided with a through hole, the top of top cap is provided with a through hole, the through hole of dust falling box corresponds to the through hole of top cap, the left and right sides of the top of dust falling box inner wall is fixedly connected with a dust falling motor, the bottom outside the dust falling motor output shaft is fixedly connected with a plurality of dust falling fan blades which are evenly distributed, the upper end of the left and right sides of dust falling motor is fixedly connected with a dust falling fixed block, two top ends of the dust falling fixed block are fixedly connected with the top of the dust falling box inner wall, the dust falling box inner wall is fixedly connected with a water pipe, the top end of the water pipe is fixedly connected with a water outlet, the inner wall of dust falling box through hole is fixedly connected with a dust screen, water can be guided into a stirring, thereby reduced the dust in the stirring and grinding bucket, through setting up dust fall motor and dust fall flabellum, can blow the dust in the stirring and grinding bucket downwards to the dust in the stirring and grinding bucket has been reduced.

The utility model discloses a grinder is used in production of water quality improver, wherein the central fixedly connected with No. three cross mounts of discharge gate inner wall, the top fixedly connected with agitator tank of No. three cross mounts, the central fixedly connected with agitator motor of No. three cross mounts top, agitator motor is located the agitator tank, the lower extreme fixedly connected with stirring fixed block of agitator motor left and right sides, two the bottom of stirring fixed block all is fixedly connected with the top of No. three cross mounts, the through-hole has been seted up on the top of agitator tank, the top fixedly connected with (mixing) shaft of agitator motor output shaft, the (mixing) shaft rotates with the through-hole of agitator tank to be connected, the top of (mixing) shaft rotates with the central of No. two cross mounts bottom to be connected, the outside fixedly connected with a plurality of stirring leaf of evenly distributed of (mixing) shaft, through setting up agitator motor and stirring leaf, can carry out the primary grinding to the raw materials, cut apart into littleer granule with the raw materials, be convenient for go up the abrasive disc and carry out more meticulous grinding with lower abrasive disc to the raw materials.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model is provided with the top cover in threaded connection with the stirring and grinding barrel, which is convenient for putting raw materials and simultaneously reduces the overflow of dust in the stirring and grinding barrel, the first discharge port is arranged to facilitate the raw materials to fall into the feeding hole of the upper grinding disc, the grinding motor is arranged to enable the lower grinding disc to rotate, so that the raw materials can be ground, the possibility of the contact between water and a grinding motor is reduced by arranging the grinding box, thereby ensuring the normal operation of the grinding motor, the grinding motor can be fixed by arranging the grinding fixed block, the normal operation of the grinding motor is ensured, the inner diameter of the feeding hole is larger than the outer diameter of the first discharge hole, so that the possibility of scattering raw materials when the raw materials come out of the first discharge hole is reduced, through setting up a cross fixed axle, can be with last abrasive disc fixed connection at the inner wall of stirring abrasive drum.

2. The utility model is provided with the rolling shaft, so that the fixing ring can not rotate when the lower grinding disc rotates, the lower grinding disc can be fixed on the inner wall of the stirring and grinding barrel by arranging the fixing ring and the second cross fixing shaft, thereby ensuring the grinding process, grinding the raw materials better by arranging the grinding bulge, leading water into the stirring and grinding barrel by arranging the water pipe, the dust in the stirring and grinding barrel is gathered, so that the dust in the stirring and grinding barrel is reduced, the dust in the stirring and grinding barrel can be blown downwards by arranging the dust falling motor and the dust falling fan blades, thereby reduced the dust in the stirring grinding barrel, through setting up agitator motor and stirring leaf, can carry out the primary grinding to the raw materials, cut apart into littleer granule with the raw materials, be convenient for go up the abrasive disc and carry out more meticulous grinding with lower abrasive disc to the raw materials.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 at C according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of FIG. 1 at D according to the present invention;

fig. 6 is a schematic view of the dust-falling box of the present invention;

FIG. 7 is a schematic top view of the cross-sectional structure of the lower polishing plate of the present invention;

fig. 8 is a schematic view of the top view structure of the upper grinding plate of the present invention.

In the figure: 1. a first cross fixing frame; 2. a lower grinding disc; 3. an upper grinding disc; 4. a first discharge hole; 5. a stirring shaft; 6. a second cross fixing frame; 7. a top cover; 8. stirring blades; 9. a third cross fixing frame; 10. stirring the grinding barrel; 11. a first cross fixing shaft; 12. a fixing ring; 13. a second cross fixing shaft; 14. a second discharge hole; 15. a dust screen; 16. a water outlet; 17. a water pipe; 18. a dust-settling motor; 19. a dust fall fixing block; 20. a dust falling box; 21. dust fall fan blades; 22. a stirring motor; 23. a stirring box; 24. a roll axis; 25. a feeding hole; 26. stirring the fixed block; 27. grinding the bumps; 28. grinding a box; 29. grinding the motor; 30. and grinding the fixed block.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-8, the utility model discloses a water quality improving agent production grinding device, which comprises a stirring and grinding barrel 10, a top cover 7 is connected to the top end of the stirring and grinding barrel 10 through screw threads, a dust falling box 20 is fixedly connected to the top end of the top cover 7, a second cross fixing frame 6 is fixedly connected to the left and right sides of the upper end of the inner wall of the stirring and grinding barrel 10, a first discharge port 4 is fixedly connected to the center of the left and right sides of the inner wall of the stirring and grinding barrel 10, an upper grinding disc 3 is arranged at the bottom end of the first discharge port 4, a lower grinding disc 2 is arranged at the bottom end of the upper grinding disc 3, a first cross fixing frame 1 is fixedly connected to the left and right sides of the lower end of the inner wall of the stirring and grinding barrel 10, a grinding box 28 is fixedly connected to the top end of the first cross fixing frame 1, a grinding motor 29 is fixedly connected to, through setting up top cap 7 and stirring and grinding bucket 10 threaded connection, the overflow of dust in stirring and grinding bucket 10 has been reduced again when being convenient for put into the raw materials, through setting up discharge gate 4 No. one, the raw materials of being convenient for fall into the pan feeding hole 25 of abrasive disc 3 in, through setting up grinding motor 29 for abrasive disc 2 can rotate down, thereby can grind the raw materials.

Grind the top of case 28 and seted up the through-hole, the output shaft of grinding motor 29 and the through-hole of grinding case 28 rotate to be connected, the output shaft of grinding motor 29 and the central authorities fixed connection of 2 bottoms of lower abrasive disc, the equal fixedly connected with grinding fixed block 30 of lower extreme of grinding motor 29 left and right sides, two bottoms of grinding fixed block 30 all with the top fixed connection of a cross mount 1, through setting up grinding case 28, the possibility that water and grinding motor 29 contacted has been reduced, thereby the normal operating of grinding motor 29 has been guaranteed, through setting up grinding fixed block 30, can fix grinding motor 29, the normal operating of grinding motor 29 has been guaranteed.

Go up the central authorities on grinding miller 3 top and seted up pan feeding hole 25, the internal diameter of pan feeding hole 25 is greater than the external diameter of discharge gate 4 No. one, pan feeding hole 25 is corresponding with discharge gate 4 No. one, cross fixed axle 11 of outside fixedly connected with of going up grinding miller 3, go up grinding miller 3 through the inner wall fixed connection of a cross fixed axle 11 with stirring grinding vessel 10, the internal diameter through setting up pan feeding hole 25 is greater than the external diameter of discharge gate 4 No. one, the possibility that spills when having reduced the raw materials from discharge gate 4 out outward, through setting up cross fixed axle 11 No. one, can be with the inner wall of last grinding miller 3 fixed connection at stirring grinding vessel 10.

An annular groove is formed in the center of the outer wall of the lower grinding disc 2, a plurality of rolling shafts 24 which are uniformly distributed are fixedly connected to the upper end and the lower end of the inner wall of the annular groove of the lower grinding disc 2, fixing rings 12 are rotatably connected to the outer portions of the plurality of rolling shafts 24, the top ends of the fixing rings 12 are in contact with the top ends of the inner wall of the annular groove of the lower grinding disc 2, a second cross fixing shaft 13 is fixedly connected to the outer portions of the fixing rings 12, the second cross fixing shaft 13 is fixedly connected to the inner wall of the stirring grinding barrel 10, a plurality of groups of grinding bulges 27 which are uniformly distributed are fixedly connected to the mutually close sides of the upper grinding disc 3 and the lower grinding disc 2, the grinding bulges 27 are distributed in a staggered mode, the fixing rings 12 cannot rotate when the lower grinding disc 2 rotates due to the arrangement of the rolling shafts 24, the lower grinding disc 2 can be fixed, thus, the progress of the grinding process is ensured, and the raw material can be better ground by providing the grinding projections 27.

The bottom end of the inner wall of the dust falling box 20 is provided with a through hole, the top end of the top cover 7 is provided with a through hole, the through hole of the dust falling box 20 corresponds to the through hole of the top cover 7, the left side and the right side of the top end of the inner wall of the dust falling box 20 are fixedly connected with a dust falling motor 18, the bottom end outside the output shaft of the dust falling motor 18 is fixedly connected with a plurality of dust falling fan blades 21 which are uniformly distributed, the upper ends of the left side and the right side of the dust falling motor 18 are fixedly connected with dust falling fixed blocks 19, the top ends of the two dust falling fixed blocks 19 are fixedly connected with the top end of the inner wall of the dust falling box 20, the inner wall of the dust falling box 20 is fixedly connected with a water pipe 17, the inner wall of the through hole of the dust falling box 20 is fixedly connected with a dust screen, through setting up dust fall motor 18 and dust fall flabellum 21, can blow the dust in the stirring and grinding bucket 10 downwards to the dust in the stirring and grinding bucket 10 has been reduced.

The center of the inner wall of the first discharge port 4 is fixedly connected with a third cross fixing frame 9, the top end of the third cross fixing frame 9 is fixedly connected with a stirring box 23, the center of the top end of the third cross fixing frame 9 is fixedly connected with a stirring motor 22, the stirring motor 22 is positioned in the stirring box 23, the lower ends of the left side and the right side of the stirring motor 22 are fixedly connected with stirring fixing blocks 26, the bottom ends of the two stirring fixing blocks 26 are fixedly connected with the top end of the third cross fixing frame 9, the top end of the stirring box 23 is provided with a through hole, the top end of an output shaft of the stirring motor 22 is fixedly connected with a stirring shaft 5, the stirring shaft 5 is rotatably connected with the through hole of the stirring box 23, the top end of the stirring shaft 5 is rotatably connected with the center of the bottom end of the second cross fixing frame 6, the outer part of the stirring, the raw material is divided into smaller particles, so that the upper grinding disc 3 and the lower grinding disc 2 can grind the raw material more finely.

When using the utility model discloses the time: screwing the top cover 7 to separate the top cover 7 from the stirring and grinding barrel 10, then putting the raw materials into the stirring and grinding barrel 10, starting the stirring motor 22, driving the stirring shaft 5 to rotate by the output shaft of the stirring motor 22, driving the stirring blade 8 to stir the raw materials, thereby crushing the raw materials once, protecting the stirring motor 22 by the stirring box 23, ensuring the normal operation of the stirring motor 22, simultaneously starting the dust-settling motor 18, injecting water into the water pipe 17, driving the dust-settling fan blade 21 to rotate by the dust-settling motor 18, blowing the dust downwards, enabling the water in the water pipe 17 to flow out from the water outlet 16, dropping on the dust screen 15 and the second cross fixing frame 6 to be crushed, then adsorbing the dust in the stirring and grinding barrel 10 together, thereby reducing the dust in the stirring and grinding barrel 10, mixing the raw materials with the water after being stirred once, and flowing into the feeding hole 25 of the upper grinding disc 3 from the bottom end of the first discharge port 4, then between landing upper millstone 3 and lower millstone 2, start grinding motor 29, grinding motor 29's output shaft can drive lower millstone 2 and rotate to drive and grind protruding 27 and carry out the secondary grinding to the raw materials, the powder that grinds the gained can be followed and is fallen on the inner wall of stirring grinding barrel 10 between upper millstone 3 and lower millstone 2, then can follow the roll-off in No. two discharge gates 14.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a grinder is used in production of water quality improver, includes stirring grinding vessel (10), its characterized in that: the top end of the stirring and grinding barrel (10) is in threaded connection with a top cover (7), the top end of the top cover (7) is fixedly connected with a dust falling box (20), the left side and the right side of the upper end of the inner wall of the stirring and grinding barrel (10) are fixedly connected with a second cross fixing frame (6), the centers of the left side and the right side of the inner wall of the stirring and grinding barrel (10) are fixedly connected with a first discharge hole (4), the bottom end of the first discharge hole (4) is provided with an upper grinding disc (3), the bottom end of the upper grinding disc (3) is provided with a lower grinding disc (2), the left side and the right side of the lower end of the inner wall of the stirring and grinding barrel (10) are fixedly connected with a first cross fixing frame (1), the top end of the first cross fixing frame (1) is fixedly connected with a grinding box (28), the center of the top end of the first cross fixing frame (, the bottom end of the stirring and grinding barrel (10) is fixedly connected with a second discharge hole (14).

2. The grinding device for producing a water quality improving agent according to claim 1, wherein: the grinding device is characterized in that a through hole is formed in the top end of the grinding box (28), an output shaft of the grinding motor (29) is rotatably connected with the through hole of the grinding box (28), the output shaft of the grinding motor (29) is fixedly connected with the center of the bottom end of the lower grinding disc (2), the lower ends of the left side and the right side of the grinding motor (29) are fixedly connected with grinding fixed blocks (30), and the bottom ends of the two grinding fixed blocks (30) are fixedly connected with the top end of a first cross-shaped fixing frame (1).

3. The grinding device for producing a water quality improving agent according to claim 1, wherein: go up the central authorities on abrasive disc (3) top and seted up pan feeding hole (25), the internal diameter of pan feeding hole (25) is greater than the external diameter of discharge gate (4) No. one, pan feeding hole (25) are corresponding with discharge gate (4) No. one, go up No. one cross fixed axle (11) of outside fixedly connected with of abrasive disc (3), go up the inner wall fixed connection of abrasive disc (3) through a cross fixed axle (11) and stirring abrasive barrel (10).

4. The grinding device for producing a water quality improving agent according to claim 1, wherein: annular groove has been seted up to the central authorities of lower abrasive disc (2) outer wall, the equal fixedly connected with a plurality of evenly distributed's in the upper and lower both ends roll axis (24), a plurality of lower abrasive disc (2) annular groove inner wall roll axis (24) outside all rotates and is connected with solid fixed ring (12), the top of solid fixed ring (12) contacts with the top of lower abrasive disc (2) annular groove inner wall, No. two cross fixed axles (13) of outside fixedly connected with of solid fixed ring (12), the inner wall fixed connection of No. two cross fixed axles (13) and stirring abrasive drum (10), go up abrasive disc (3) and lower abrasive disc (2) the equal fixedly connected with a plurality of groups evenly distributed's of the grinding arch (27) of one side that is close to each other, grind protruding (27) crisscross distribution.

5. The grinding device for producing a water quality improving agent according to claim 1, wherein: the bottom end of the inner wall of the dust falling box (20) is provided with a through hole, the top end of the top cover (7) is provided with a through hole, the through hole of the dust falling box (20) corresponds to the through hole of the top cover (7), the left side and the right side of the top end of the inner wall of the dust falling box (20) are fixedly connected with dust falling motors (18), the bottom end outside the output shaft of the dust-settling motor (18) is fixedly connected with a plurality of dust-settling fan blades (21) which are uniformly distributed, the upper ends of the left side and the right side of the dust-settling motor (18) are fixedly connected with dust-settling fixed blocks (19), the top ends of the two dust-settling fixed blocks (19) are fixedly connected with the top end of the inner wall of the dust-settling box (20), a water pipe (17) is fixedly connected in the inner wall of the dust falling box (20), the top end of the water pipe (17) is fixedly connected with a water outlet (16), the inner wall of the through hole of the dust falling box (20) is fixedly connected with a dust screen (15).

6. The grinding device for producing a water quality improving agent according to claim 1, wherein: the central fixed connection of the inner wall of the first discharge port (4) is provided with a third cross fixing frame (9), the top end of the third cross fixing frame (9) is fixedly connected with a stirring box (23), the central fixed connection of the top end of the third cross fixing frame (9) is provided with a stirring motor (22), the stirring motor (22) is positioned in the stirring box (23), the lower ends of the left side and the right side of the stirring motor (22) are fixedly connected with stirring fixing blocks (26), the bottom ends of the two stirring fixing blocks (26) are fixedly connected with the top end of the third cross fixing frame (9), the top end of the stirring box (23) is provided with a through hole, the top end of an output shaft of the stirring motor (22) is fixedly connected with a stirring shaft (5), the stirring shaft (5) is rotatably connected with the through hole of the stirring box (23), the top end of the stirring shaft (5) is rotatably connected with the, the outer part of the stirring shaft (5) is fixedly connected with a plurality of uniformly distributed stirring blades (8).