CN214382692U - Production agitated vessel for feed additive - Google Patents

Abstract

The utility model relates to a production agitated vessel for feed additive, it includes the jar body and connects the cover at jar body opening part, fixedly connected with solid agitator tank on the cover that the cover is close to the jar body, solid agitator tank's opening is towards the cover, the cover overlaps the department with solid agitator tank and is equipped with the feeding door, it is connected with the stirring portion that runs through solid agitator tank to rotate on the cover, fixedly connected with drives stirring portion pivoted drive arrangement on the cover, stirring portion includes the (mixing) shaft and the part in solid agitator tank rotates and is connected with a plurality of cylindric crushing portions, the pivot of crushing portion is perpendicular with the (mixing) shaft, it supports tightly with the bottom of solid agitator tank to grind the part, a plurality of water jet equipment of fixedly connected with on the inner wall of the jar body, water jet equipment's nozzle is located near the lateral wall of solid agitator tank, solid agitator tank's lateral wall and bottom equipartition have a plurality of discharge openings, the diameter of discharge opening is less than the diameter of solid addition material. The application has the effects of enabling the feed additive to be mixed more uniformly and processing efficiency to be higher.

Description

Production agitated vessel for feed additive

Technical Field

The application relates to the field of feed additive production equipment, in particular to stirring equipment for producing feed additives.

Background

The feed additive is a small amount or trace substance added in the production, processing and using processes of feed, and the feed additive is small in dosage but remarkable in effect. The feed additive is a raw material inevitably used in modern feed industry, and has obvious effects on strengthening the nutritive value of basic feed, improving the production performance of animals, ensuring the health of the animals, saving the feed cost, improving the quality of animal products and the like.

The feed additive is prepared from different additives, wherein the additives comprise liquid and solid, the different additives are required to be added into an additive stirring device for stirring in the early preparation process, so that the solid is fully dissolved, the additives are uniformly mixed to prepare the feed additive, and finally the feed additive flows out from a discharge pipe at the bottom of the stirring device, so that the feed additive is obtained.

In view of the above-mentioned related art, the inventors of the present invention have considered that the solid additive is deposited in the bottom of the stirring apparatus and further deposited in the discharge pipe due to the presence of the solid additive, and thus the solid additive has a disadvantage of slow dissolution rate and insufficient dissolution.

SUMMERY OF THE UTILITY MODEL

In order to make the solid additive dissolve more fast and fully in the feed additive, the application provides a stirring equipment for producing the feed additive.

The application provides a production agitated vessel for feed additive adopts following technical scheme:

a stirring device for producing feed additives comprises a tank body and a tank cover connected to the opening of the tank body, wherein a solid stirring tank is fixedly connected to the cover surface of the tank cover close to the tank body, the opening of the solid stirring tank faces the tank cover, a feeding door is arranged at the part of the tank cover overlapped with the solid stirring tank, a stirring part penetrating through the solid stirring tank is rotatably connected to the tank cover, a driving device for driving the stirring part to rotate is fixedly connected to the tank cover, the stirring part comprises a stirring shaft, the part of the stirring shaft in the solid stirring tank is rotatably connected with a plurality of cylindrical crushing parts, the rotating shaft of the crushing part is parallel to the tank bottom in the solid stirring tank, the crushing part is tightly abutted to the bottom of the solid stirring tank, a plurality of water spraying devices are fixedly connected to the inner wall of the tank body, and the water spraying ports of the water spraying devices are positioned near the side wall of the solid stirring tank, the lateral wall and the bottom equipartition of solid agitator tank have a plurality of discharge openings, the diameter of discharge opening is less than the diameter of solid addition material.

By adopting the technical scheme, the solid stirring tank is provided, the feeding door is arranged at the position, opposite to the tank cover, in the solid stirring tank, the diameter of the discharge hole is smaller than that of the solid additive, so that the solid additive is blocked in the solid stirring tank, the solid additive is added into the solid stirring tank from the feeding door and cannot sink into the tank bottom, the cylindrical grinding part tightly abutted against the tank bottom is arranged in the stirring tank, the grinding part rotates around the circumference along with the stirring shaft, so that the solid deposited on the tank bottom of the solid stirring tank can be ground by the grinding part, the water spraying device pumps the liquid additive to be sprayed to the side wall of the solid stirring tank, the liquid additive enters the solid stirring tank from the discharge hole, the solid additive is rapidly dissolved by stirring of the stirring part in the solid stirring tank, and the ground solid additive is flushed out from the solid stirring tank by the liquid additive, finally, the solid-liquid additive is mixed with the liquid additive in the tank body, and the solid-liquid additive is uniformly mixed by stirring the part of the stirring part outside the solid stirring tank, so that the solid additive in the feed additive is dissolved more quickly and sufficiently, and the processing efficiency of the feed additive is improved.

Preferably, the contained angle that dead lever and (mixing) shaft extend towards jar body bottom direction is the acute angle, fixedly connected with extension rod on the tip of (mixing) shaft is kept away from to the dead lever, the extension rod is on a parallel with the bottom of solid stirring jar, the extension rod be the round bar and with the axis collineation of grinding the axle.

Through adopting above-mentioned technical scheme, be the acute angle through dead lever and (mixing) shaft towards the contained angle that jar body bottom direction extends, the extension rod is on a parallel with the bottom of solid mixing tank for the juncture of extension rod and dead lever forms the turning, makes crushing portion block unable continuation removal in the corner, thereby makes crushing portion be difficult for touchhing the (mixing) shaft, and then along with the difficult wearing and tearing of rotation of (mixing) shaft, thereby reduced the cost of maintenance of equipment.

Preferably, one end of the extension rod, which is far away from the stirring shaft, is detachably connected with the grinding part.

Through above-mentioned technical scheme, can dismantle with grinding portion through the extension rod and be connected for grinding portion and solid agitator tank wearing and tearing can dismantle when certain degree and change, thereby reduced the cost of maintenance of equipment.

Preferably, the grinding part comprises a grinding shaft rotatably connected with the extension rod, and the grinding shaft is connected with an elastic sleeve.

Through above-mentioned technical scheme, through crushing epaxial being connected with the elastic sleeve for from hard wearing and tearing to become soft wearing and tearing between crushing portion and the solid agitator tank, reduced the degree of wear, simultaneously at the in-process that crushes the solid addition material, the elastic sleeve is because have certain elasticity, makes more solid addition materials contact the elastic sleeve, and then makes the solid addition material can be crushed fast, thereby makes the solid addition material more fast dissolved, has accelerated feed additive's machining efficiency.

Preferably, the elastic sleeve is detachably connected with the grinding shaft, and the inner diameter of the elastic sleeve is smaller than the outer diameter of the grinding shaft.

Through above-mentioned technical scheme, the internal diameter through the elastic sleeve is less than the external diameter that pulverizes the axle for the elastic sleeve can cup joint steadily epaxial grinding, can dismantle with the elastic sleeve through grinding the axle and be connected, only need change the elastic sleeve when making change and grind the portion, has reduced the cost of maintenance of equipment.

Preferably, the elastic sleeve is concavely provided with a brush groove, the length of the brush groove is parallel to the axial direction of the grinding shaft, a brush is inserted into the brush groove, and the bristles of the brush are tightly propped against the bottom of the solid stirring tank.

Through above-mentioned technical scheme, through installing the brush on the elastic sleeve, the brush hair of brush supports tightly with the bottom of solid agitator tank for grind the portion after the solid has been added, the solid addition material that bonds grinding at the tank bottoms of solid agitator tank is brushed by the brush hair, and dissolve in the liquid addition material, make the difficult tank bottoms in solid agitator tank of solid addition material bond, thereby make the solid addition material can be dissolved rapidly fully, further improved the machining efficiency of solid addition material.

Preferably, a water spraying opening of the water spraying device is connected with a spray head, the cross section of the spray head is larger than that of the water spraying pipe, and a plurality of water spraying holes are uniformly distributed on the spray head.

Through the technical scheme, through setting up the shower nozzle, the equipartition has a plurality of hole for water spraying on the shower nozzle, make the liquid addition material scatter through the hole for water spraying and open to the solid agitator tank, make the contact surface in liquid addition material and the solid agitator tank bigger, make more liquid addition materials from the lateral wall entering jar in the solid agitator tank internal, make the liquid level of the material in the solid agitator tank higher, make the stirring degree in the solid agitator tank bigger, thereby make the solid addition material dissolve more rapidly, more abundant.

Preferably, the feeding door is hinged to the tank cover, and the rotation angle of the feeding door is 120-180 degrees.

Through the technical scheme, the angle of the feeding door is set to be 120-180 degrees, so that the feeding door is not easy to close in the process of adding materials, and the feeding is more convenient.

Preferably, the stirring part comprises a small stirring blade in the solid stirring tank and a large stirring blade outside the solid stirring tank, the outer diameter of the large stirring blade is larger than that of the small stirring blade, and the inner diameters of the large stirring blade and the small stirring blade are equal.

Through above-mentioned technical scheme, through setting up big stirring leaf, the external diameter of big stirring leaf is bigger for liquid in the jar body is more with stirring leaf area of contact, makes more liquid rotated by big stirring leaf, thereby makes the stirring more abundant, more even.

Preferably, the small stirring blade and the large stirring blade are both spiral and have a screw pitch of 380-450 mm.

Through above-mentioned technical scheme, the pitch through stirring the leaf is 380~450mm for the helix angle of stirring the leaf is great, makes along with the rotation of stirring the leaf drive more feed additive and rotates, thereby makes the feed additive stir more fast more abundant.

In summary, the present application includes at least one of the following beneficial technical effects:

1. this application is through setting up the solid agitator tank, is provided with the bin gate on the position relative with the cover in the solid agitator tank, is equipped with in the agitator tank and supports tight cylindric grinding part with the tank bottoms for the solid addition material is blockked in the solid agitator tank and is ground by grinding part, and water jet equipment takes out the liquid addition material and spouts to the solid agitator tank, makes the solid addition material rapidly by dissolving through stirring part, thereby makes feed additive's machining efficiency can improve.

2. The juncture that itself please preferentially adopt extension rod and dead lever forms the corner for grind the portion and block unable continuation removal in the corner, the one end that the (mixing) shaft was kept away from to the extension rod can be dismantled with grinding portion and be connected, the elastic sleeve can be dismantled with grinding the axle and be connected, the internal diameter of elastic sleeve is less than grinding the external diameter of axle, makes difficult wearing and tearing between the equipment, thereby has reduced the cost of maintenance of equipment.

3. Through grinding epaxial being connected with the elastic sleeve for more solid additives contact the elastic sleeve, install the brush on the elastic sleeve, the brush hair of brush supports tightly with the bottom of solid agitator tank, makes the solid additives can be ground fast, and the pitch of stirring leaf is 380~450mm, thereby makes the solid additives more fast by being dissolved, has accelerated feed additive's machining efficiency.

4. Through the angle that will throw the bin gate set to 120~180 for at the in-process that adds the material, throw the bin gate and be difficult for closing, thereby make things convenient for reinforced more.

Drawings

FIG. 1 is a schematic view of the internal structure of a stirring apparatus of the present application.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic structural view of a crushing unit in the present application.

Description of reference numerals: 1. a tank body; 11. a can lid; 12. a feeding door; 13. a hinge; 14. a handle; 2. a solid stirring tank; 21. a discharge hole; 3. a stirring section; 31. a stirring shaft; 32. a large stirring blade; 33. a small stirring blade; 34. fixing the rod; 35. an extension rod; 36. a bolt; 4. a drive device; 41. a motor; 5. a grinding section; 51. grinding the shaft; 52. an elastic sleeve; 53. brushing a groove; 54. a brush; 6. a water spraying device; 61. a support plate; 62. a water jet pump; 63. a water spray pipe; 631. a delivery pipe; 632. an extension pipe; 64. a spray head; 641. a water spray hole; 7. a discharge pipe; 8. and (4) a valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses production agitated vessel for feed additive. Referring to fig. 1, the stirring equipment for producing feed additives comprises a tank body 1 and a tank cover 11 connected to the tank body 1, a solid stirring tank 2 is arranged in the tank body 1, a discharge hole 21 is formed in the solid stirring tank 2, the diameter of the discharge hole 21 is smaller than that of a solid additive, a stirring part 3 penetrating through the solid stirring tank 2 is connected to the tank cover 11, a main driving device 4 for driving the stirring part 3 to rotate is connected to the tank cover 11, a grinding part 5 is fixedly connected to a position, close to the bottom of the solid stirring tank 2, of the stirring part 3, the grinding part 5 is tightly abutted to the bottom of the solid stirring tank 2, a water spraying device 6 is installed at the bottom of the tank body 1, a water spraying port of the water spraying device 6 is located on the side wall of the solid stirring tank 2, and a feeding door 12 is arranged at the position, overlapped with the solid stirring part 3, of the tank cover 11.

Referring to fig. 1, the tank cover 11 is a circular cover, the cross section of the tank body 1 is circular, the end surface of the tank cover 11 far away from the tank body 1 is fixedly connected with the driving device 4, the main driving device 4 is a motor 41, the stirring part 3 comprises a stirring shaft 31 and a large stirring blade 32 and a small stirring blade 33 which are fixedly connected on the stirring shaft 31, the rotating shaft of the motor 41 penetrates through the tank cover 11 and penetrates into the tank body 1 to be fixedly connected with the stirring shaft 31, and the rotating shaft of the motor 41 is collinear with the axis of the stirring shaft 31.

Referring to fig. 1, the cross section of the feeding door 12 is rectangular, the feeding door 12 has two ends distributed in the solid stirring tank 2 and having the same diameter, the feeding door 12 is hinged to the tank cover 11 through a hinge 13, the rotation angle of the feeding door 12 is 180 ° in this embodiment, other embodiments are 120 ° and 150 °, and the handle 14 is fixedly connected to the end surface of the feeding door 12 away from the bottom of the tank body 1.

Referring to fig. 1, the solid stirring tank 2 is a cylindrical tank and has an opening direction close to the tank cover 11, the discharge holes 21 are uniformly distributed on the side wall and the bottom of the solid stirring tank 2, and the diameter of the discharge holes 21 is smaller than that of the solid additive.

Referring to fig. 1, the portion of the stirring shaft 31 in the solid stirring tank 2 is connected with two fixing rods 34, the included angle between the fixing rods 34 and the stirring shaft 31 extending towards the bottom direction is an acute angle, the end portion of the fixing rod 34 far away from the stirring shaft 31 is connected with an extension rod 35, the fixing rod 34 and the extension rod 35 are both round rods, the included angle between the extension rod 35 and the fixing rod 34 along the extension direction of the extension rod 35 is an obtuse angle, and the extension rod 35 is parallel to the bottom of the solid stirring tank 2.

Referring to fig. 1 and 3, the grinding part 5 includes a grinding shaft 51 sleeved on the extension rod 35, the grinding shaft 51 is a hollow cylinder, the inner diameter of the grinding shaft 51 is larger than the outer diameter of the extension rod 35, an elastic sleeve 52 is sleeved on the outer wall of the grinding shaft 51, the elastic sleeve 52 is a rubber sleeve, the inner diameter of the elastic sleeve 52 is smaller than the outer diameter of the grinding shaft 51, the axis of the elastic sleeve 52 is collinear with the axis of the grinding shaft 51, a brush groove 53 is recessed in the outer wall of the elastic sleeve 52, and the length of the brush groove 53 is parallel to the axial direction of the grinding shaft 51. The brush groove 53 is a dovetail groove, a brush 54 is inserted into the brush groove 53, and the distance from the brush of the brush 54 to the axial line is equal to the distance from the outer wall of the elastic sleeve 52 to the axial line.

Referring to fig. 2 and 3, the end of the extension rod 35 far from the stirring shaft 31 is threadedly connected with a bolt 36, and the diameter of the cap of the bolt 36 is larger than the inner diameter of the grinding shaft 51.

Referring to fig. 1, the small stirring blade 33 is fixedly connected to the stirring shaft 31 in the solid stirring tank 2, the outer diameter of the small stirring blade 33 is smaller than the inner diameter of the solid stirring tank 2, gaps are left between the small stirring blade 33 and the tank cover 11 and between the small stirring blade 33 and the grinding part 5, the large stirring blade 32 is fixedly connected to the stirring shaft 31 outside the solid stirring tank 2, the outer diameter of the large stirring blade 32 is smaller than the inner diameter of the tank body 1, the outer diameter of the large stirring blade 32 is larger than the outer diameter of the small stirring blade 33, the inner diameters of the large stirring blade 32 and the small stirring blade 33 are equal, gaps are left between the large stirring blade 32 and the solid stirring tank 2 and the tank body 1, the screw pitches of the small stirring blade 33 and the large stirring blade 32 are 400mm in the embodiment, and other embodiments can be 380mm, 420mm, 450mm and the like.

Referring to fig. 1, there are two water spraying devices 6, each water spraying device 6 includes a support plate 61 fixedly connected to the inner wall of the tank 1, each support plate 61 is a rectangular plate, each support plate 61 is located at a position close to the bottom of the tank 1, each support plate 61 is connected to a water spraying pump 62 on the end surface close to the tank cover 11, a water spraying port of each water spraying pump 62 is connected to a water spraying pipe 63, each water spraying pipe 63 is a circular pipe, each water spraying pipe 63 includes a conveying pipe 631 fixedly connected to the inner wall of the tank 1, the conveying pipe 631 is parallel to the stirring shaft 31, each conveying pipe 631 is close to a port fixedly connected to an extension pipe 632 of the tank cover 11, each extension pipe 632 is perpendicular to the conveying pipe 631, each extension pipe 632 is far away from the port fixedly connected to a nozzle 64 of the conveying pipe 631, the cross section of the nozzle 64 is circular, the cross section of the nozzle 64 is larger than the cross section of the extension pipe 632, and a plurality of water spraying holes 641 are uniformly distributed on the nozzle 64.

Referring to fig. 1, the diameter of jar body 1 bottom reduces gradually in order to form the ejection of compact spigot surface along ejection of compact direction, fixedly connected with discharging pipe 7 on the discharge gate, and discharging pipe 7 is a pipe, and the outer wall of discharging pipe 7 is connected with ejection of compact valve 8.

The implementation principle of the stirring equipment for producing the feed additive in the embodiment of the application is as follows: when the stirring device is used, the feeding door 12 is opened, the liquid additive is firstly added, the liquid additive enters the tank body 1 from the solid stirring tank 2, then the solid additive is added, the solid additive is rented in the solid stirring tank 2, the stirring device is started, the grinding part 5 rotates along with the tight bottom of the stirring shaft 31, the solid additive is ground by the grinding part 5, the liquid additive is sprayed to the solid stirring tank 2 by the water spraying device 6 and enters the solid stirring tank 2 through the discharge hole 21, the ground solid additive is rapidly dissolved through the stirring of the small stirring blade 33, the dissolved liquid flows out of the solid stirring tank 2 through the discharge hole 21, and various additives are uniformly mixed under the rotation of the large stirring blade 32.

Throw the turned angle of bin gate 12 through setting up and be 180, will throw bin gate 12 upset 180 and cover 11 butt when throwing the material, then reinforced for throw bin gate 12 and be difficult for influencing and throw the material and conveniently throw the material, thereby improved work efficiency.

The solid addition material stays in the solid stirring tank 2 through the discharge holes 21 uniformly distributed on the solid stirring tank 2 and the diameters of the discharge holes 21 are smaller than the diameter of the solid addition material, so that the grinding part 5 grinds the solid addition material in the solid stirring tank 2.

Through the design of extension rod 35 and dead lever 34's direction and angle for grind 5 cards in extension rod 35 and dead lever 34's juncture, make grind 5 difficult with the (mixing) shaft 31 friction, reduced the frictional force of (mixing) shaft 31 with grind 5, thereby make the difficult wearing and tearing of equipment.

Through being connected with elastic sleeve 52 on grinding shaft 51, the messenger has reduced the degree of wear between grinding shaft 51 and the solid agitator tank 2, elastic sleeve 52 belongs to soft materials, can produce certain deformation, makes more solid additives contact elastic sleeve 52, and then makes the solid additives can be ground fast, and elastic sleeve 52's deformation volume is not big basically simultaneously, makes to ensure that the solid can be ground, thereby makes the solid additives more fast dissolved, has accelerated feed additive's machining efficiency.

Through the internal diameter of elastic sleeve 52 be less than the external diameter that pulverizes axle 51 for elastic sleeve 52 can cup joint steadily on pulverizing axle 51, can dismantle with elastic sleeve 52 through pulverizing axle 51 and be connected, only need change elastic sleeve 52 when making change and grind the portion 5, has reduced the cost of maintenance of equipment.

By installing the brush 54 on the elastic sleeve 52, the bristles of the brush 54 are abutted against the bottom of the solid stirring tank 2, so that the ground solid additive adhered to the bottom of the solid stirring tank 2 is brushed by the bristles 54 after the ground solid is added in the grinding part 5, and the solid additive is not easy to adhere to the bottom of the tank, so that the solid additive can be dissolved rapidly and sufficiently.

The diameter of the bolt cap is larger than the inner diameter of the grinding shaft 51 through the bolt 36, so that the grinding part 5 is clamped on the extension rod 35 between the fixing rod 34 and the bolt 36, the grinding part 5 is not easy to fall off from the extension rod 35, and the grinding part 5 can stably work.

Through leaving the clearance between little stirring leaf 33 and the solid agitator tank 2, leave the clearance between big stirring leaf 32 and the jar body 1, reduced the wearing and tearing between stirring leaf and the equipment, the diameter of big stirring leaf 32 is greater than the diameter of little stirring leaf 33, and the pitch of little stirring leaf 33 and big stirring leaf 32 is 400mm for feed additive's stirring is more abundant, thereby has improved the efficiency of stirring.

Through setting up shower nozzle 64, the equipartition has hole for water spraying 641 on the shower nozzle 64 for the liquid additive is opened to the side scattering of solid agitator tank 2, makes more liquid additives get into solid agitator tank 2, thereby makes the solid additive dissolve more rapidly, more abundant.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a production agitated vessel for feed additive, includes jar body (1) and connects cover (11) at jar body (1) opening part, its characterized in that: fixedly connected with solid agitator tank (2) on cover (11) is close to jar body (1), the opening of solid agitator tank (2) is towards cover (11), the part that cover (11) and solid agitator tank (2) overlap is equipped with throws bin gate (12), it is connected with stirring portion (3) that run through solid agitator tank (2) to rotate on cover (11), fixedly connected with drive stirring portion (3) pivoted drive arrangement (4) on cover (11), stirring portion (3) include (mixing) shaft (31), the part of (mixing) shaft (31) in solid agitator tank (2) rotates and is connected with a plurality of cylindric crushing portions (5), the pivot of crushing portion (5) is parallel with the tank bottoms in solid agitator tank (2), the pivot of crushing portion (5) is perpendicular with (mixing) shaft (31), crushing portion (5) support tightly with the bottom of solid agitator tank (2), the utility model discloses a solid stirring tank, including jar body (1), a plurality of water jet equipment (6) of fixedly connected with on the inner wall of jar body (1), the water jet of water jet equipment (6) is located near the lateral wall of solid stirring jar (2), the lateral wall and the bottom equipartition of solid stirring jar (2) have a plurality of discharge openings (21), the diameter of discharge opening (21) is less than the diameter of solid addition material.

2. The stirring apparatus for producing feed additive according to claim 1, wherein: the part of (mixing) shaft (31) in solid agitator tank (2) is connected with dead lever (34), the end connection that (mixing) shaft (31) were kept away from in dead lever (34) has extension rod (35), grind portion (5) and be connected with extension rod (35) rotation, dead lever (34) are the acute angle with (mixing) shaft (31) towards the contained angle that jar body (1) bottom direction extends, fixedly connected with extension rod (35) on the tip of (mixing) shaft (31) is kept away from in dead lever (34), extension rod (35) are on a parallel with the bottom of solid agitator tank (2), extension rod (35) are the round bar and with the axis collineation of grinding axle (51).

3. The stirring apparatus for producing feed additive according to claim 2, wherein: the extension rod (35) is far away from one end of the stirring shaft (31) and is detachably connected with the grinding part (5).

4. The stirring apparatus for producing feed additive according to claim 1, wherein: grind portion (5) including with extension rod (35) rotate grinding shaft (51) of being connected, grinding shaft (51) are last to be connected with elastic sleeve (52).

5. The stirring apparatus for producing feed additive according to claim 4, wherein: the elastic sleeve (52) is detachably connected with the grinding shaft (51), and the inner diameter of the elastic sleeve (52) is smaller than the outer diameter of the grinding shaft (51).

6. The stirring apparatus for producing a feed additive according to claim 4 or 5, wherein: the elastic sleeve (52) is sunken with a brush groove (53), the length of the brush groove (53) is parallel to the axial direction of the grinding shaft (51), a brush (54) is inserted into the brush groove (53), and the bristles of the brush (54) are abutted against the bottom of the solid stirring tank (2).

7. The stirring apparatus for producing feed additive according to claim 1, wherein: the water spraying device is characterized in that a water spraying opening of the water spraying device (6) is connected with a spraying head (64), the cross section of the spraying head (64) is larger than that of the water spraying pipe (63), and a plurality of water spraying holes (641) are uniformly distributed on the spraying head (64).

8. The stirring apparatus for producing feed additive according to claim 1, wherein: the feeding door (12) is hinged with the tank cover (11), and the rotation angle of the feeding door (12) is 120-180 degrees.

9. The stirring apparatus for producing feed additive according to claim 1, wherein: stirring portion (3) are including little stirring leaf (33) in solid agitator tank (2) and at the outside big stirring leaf (32) of solid agitator tank (2), the external diameter of big stirring leaf (32) is greater than the external diameter of little stirring leaf (33), the internal diameter of big stirring leaf (32) and little stirring leaf (33) equals.

10. The mixing apparatus for producing feed additive according to claim 9, wherein: the small stirring blade (33) and the large stirring blade (32) are both spiral and have a screw pitch of 380-450 mm.

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