CN215940162U - Bin-divided stirring drum and stirring mill - Google Patents

Abstract

The utility model discloses a bin-dividing stirring cylinder and a stirring mill, and relates to stirring and grinding equipment. The stirring mill comprises the bin-divided stirring cylinder. The distribution of the size of the bin and the grinding media enables the large-sized grinding media to grind large-particle materials and the small-sized grinding media to grind small-particle materials, so that the possibility of ineffective grinding of the grinding media is reduced, and further the power loss is reduced; in addition, the mixing drum enables materials with different particles to be ground in a targeted mode, and the possibility that the ground materials do not meet the requirement of particle size is relatively reduced. The stirring mill has the same beneficial effects as the stirring cylinder.

Description

Bin-divided stirring drum and stirring mill

Technical Field

The utility model relates to the technical field of stirring and grinding equipment, in particular to a bin-divided stirring cylinder and a stirring mill.

Background

The stirring mill stirs the materials and the grinding media in the stirring cylinder through the stirrer, and in the process, the grinding media collide and extrude the materials to change coarse materials into fine materials so as to realize grinding. Grinding media come in different sizes, with large sized grinding media being used to grind large particulate materials and small sized grinding media being used to grind small particulate materials.

Grinding media with different sizes are generally placed in a mixing drum of an existing stirring mill at the same time, materials are ground by the grinding media with different sizes, it cannot be guaranteed that large-size grinding media only grind large-particle materials, and small-size grinding media only grind small-particle materials, so that part of grinding media are subjected to invalid grinding, power loss is caused, and the ground materials are not in accordance with particle size requirements easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: aiming at the existing problems, the bin-dividing stirring cylinder and the stirring mill are provided, which can separate the grinding media with different sizes in a bin-dividing mode, so that the grinding media with different sizes can grind the materials with different sizes.

The technical scheme adopted by the utility model is as follows:

the utility model provides a warehouse-separated mixing drum, the main part is the mixing drum, and mixing drum inside is provided with two at least baffles, and every baffle divide into two warehouses with the mixing drum, has put into the grinding medium of unidimensional in every warehouse, and the size of grinding medium reduces by the top of mixing drum to the end in proper order.

By adopting the technical scheme, the stirring cylinder is divided into the plurality of compartments by the partition plates, the particle size of the materials in the compartments from the beginning to the tail end of the stirring cylinder is gradually reduced, and the size of the grinding media arranged in the compartments from the beginning to the tail end of the stirring cylinder is gradually reduced, so that the large-size grinding media grind large-particle materials, the small-size grinding media grind small-particle materials, and ineffective grinding of a large amount of grinding media is avoided.

Preferably, the partition plate is provided with separation holes, and the size of each separation hole of the partition plate is smaller than the size of the grinding media in the two partitioned compartments.

By adopting the technical scheme, the grinding medium in each compartment can not pass through the partition plate and enter the adjacent compartments, and only one size of grinding medium is ensured to exist in each compartment.

Preferably, the mixing drum is divided into a plurality of parts, and connecting lines of every two parts of the mixing drum are split lines which are arranged close to the partition plates.

By adopting the technical scheme, when the partition plate needs to be overhauled, only the stirring cylinder needs to be detached along the subdivision line, and the partition plate can be exposed by moving away the corresponding part of the stirring cylinder, so that the overhauling difficulty is reduced. After the mixing drum is split into a plurality of parts, the mass of each part is smaller than that of the whole mixing drum, and the mixing drum is convenient to manufacture and transport.

The stirring mill comprises a stirring cylinder, wherein the stirring cylinder is rotationally connected with a stirring shaft, and a stirring piece extends from the stirring shaft.

Adopt above-mentioned technical scheme, the (mixing) shaft can be rotatory relative to the churn, drives the relative churn of stirring piece and rotates, and the (mixing) shaft stirs with the material and the grinding medium of stirring in the churn with the cooperation of stirring piece.

Preferably, the stirring shafts in different compartments can rotate relatively, and the rotating speeds of the stirring shafts in different compartments relative to the stirring drum are different.

By adopting the technical scheme, because the particle sizes of the materials in different compartments are different, the power and the speed for stirring the materials matched with different grinding media are different, the rotating speeds of the stirring shafts in different compartments are set aiming at the materials with different particle sizes and the grinding media with different sizes, the possibility of generating invalid grinding is reduced, and the energy is utilized to the maximum extent.

Preferably, a pusher is arranged at the beginning end of each compartment, and the pushing direction of the pusher is the same as the direction from the beginning end to the tail end of the mixing drum.

By adopting the technical scheme, the material pusher is used for pushing the materials in each compartment to the middle part of the compartment from the starting end of the compartment, the materials entering the compartment are assisted to be quickly mixed in the stirred materials and grinding media, namely, the materials are assisted to quickly enter a grinding area, the discharging speed is increased, and the materials are prevented from being blocked at the starting end of each compartment.

Preferably, one end of each stirring piece, which is far away from the stirring shaft, extends to form a reinforced stirring piece, and each two adjacent stirring pieces and the reinforced stirring pieces arranged on the adjacent stirring pieces form a squirrel-cage structure.

Adopt above-mentioned technical scheme, the reinforcing stirring piece is used for stirring the material and the grinding medium that are located the churn bottom, prevents that material and grinding medium from piling up in the churn bottom, influences the grinding effect of other materials.

Preferably, a feed inlet is formed at the starting end of the stirring cylinder, and a feed pipe extends from the feed inlet; the tail end of the mixing drum is provided with a discharge hole, and a discharge pipe extends from the discharge hole.

By adopting the technical scheme, materials enter the mixing drum through the feeding pipe and the feeding hole in sequence, and are output from the discharging hole and the discharging pipe in sequence after being ground.

Preferably, a material ball separator is arranged at the position, close to the tail end, of the mixing drum, at least one split line on the mixing drum is arranged close to the material ball separator, and the discharge port is located between the material ball separator and the tail end of the mixing drum.

By adopting the technical scheme, the ball separator is used for separating grinding media and materials, so that the ground materials pass through the ball separator and are output from the discharge port, and the grinding media are prevented from passing through the ball separator. The design that the splitting line is close to the material ball separator is convenient for the maintenance of the material ball separator, and the material ball separator can be exposed after the mixing drum is split along the splitting line.

Preferably, the starting end of the mixing drum is provided with an air inlet, and an air inlet pipe extends from the air inlet; an air outlet is formed at the tail end of the stirring cylinder, and an air outlet pipe extends from the air outlet.

Adopt above-mentioned technical scheme, go out tuber pipe department convulsions, wind is along the top of churn to the end of churn to follow the air outlet in proper order, go out the tuber pipe and be taken out, be used for promoting the material to remove to the end of churn by the top of churn, prevent that the material from piling up and causing the jam in the churn.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: the stirring cylinder is divided into the compartments by the partition plate, and the particle sizes of the materials in different compartments from the beginning end to the end of the stirring cylinder are sequentially reduced, so that the grinding media in different compartments from the beginning end to the end of the stirring cylinder are sequentially reduced, large-sized grinding media grind large-particle materials, small-sized grinding media grind small-particle materials, the possibility of invalid grinding of the grinding media is reduced, and further the power loss is reduced; in addition, the mixing drum enables materials with different particles to be ground in a targeted mode, and the possibility that the ground materials do not meet the requirement of particle size is relatively reduced. The stirring mill comprises the sub-bin stirring cylinder and has the same beneficial effect as the sub-bin stirring cylinder.

Drawings

Fig. 1 is a front perspective view of the present invention.

Fig. 2 is a front view of the present invention.

The labels in the figure are: the device comprises a first partition cabin-101, a second partition cabin-102, a first upper barrel part-103, a second upper barrel part-104, a third upper barrel part-105, a first lower barrel part-106, a second lower barrel part-107, a first split line-108, a second split line-109, a third split line-110, a partition plate-2, a first stirring shaft-301, a second stirring shaft-302, a first stirring piece-303, a first reinforced stirring piece-304, a second stirring piece-305, a second reinforced stirring piece-306, a first driver-307, a second driver-308, a feeding pipe-4, a discharging pipe-5, an air outlet pipe-6 and a material ball separator-7.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 2, a bin-divided mixing drum includes a main body as a mixing drum, a grinding medium is placed in the mixing drum, and a material enters the mixing drum and is ground by the grinding medium, wherein the grinding medium is a sphere. The partition plate 2 is fixed inside the mixing drum, the mixing drum is divided into a first compartment 101 and a second compartment 102 by the partition plate 2, the volume of the first compartment 101 is smaller than that of the second compartment 102, the starting end of the first compartment 101 is the starting end of the mixing drum, the tail end of the second compartment 102 is the tail end of the mixing drum, and the diameter of the grinding media in the first compartment 101 is larger than that of the grinding media in the second compartment 102, so that the grinding media with large diameters grind large-particle materials, the grinding media with small diameters grind small-particle materials, and invalid grinding of a large amount of grinding media is avoided.

The separation holes are formed in the partition plate 2, the aperture of each separation hole is smaller than the diameter of the grinding medium in the first compartment 101 and the diameter of the grinding medium in the second compartment 102, the grinding medium in the first compartment 101 is prevented from passing through the separation holes to enter the second compartment 102, the grinding medium in the second compartment 102 is also prevented from passing through the separation holes to enter the first compartment 101, and the grinding medium with one diameter is guaranteed to exist in the first compartment 101 and the second compartment 102.

The mixing drum comprises a first upper drum part 103, a second upper drum part 104, a third upper drum part 105, a first lower drum part 106 and a second lower drum part 107, and after the mixing drum is split into the five parts, the mass of each part is smaller than that of the whole mixing drum, so that the whole mixing drum is convenient to manufacture and transport. The first upper tube 103, the second upper tube 104, and the third upper tube 105 are detachably connected as an upper half of the entire mixing drum, and the first lower tube 106 and the second lower tube 107 are detachably connected as a lower half of the entire mixing drum; a connection line between the three first upper tube portion 103, the second upper tube portion 104, and the third upper tube portion 105 and the two first lower tube portion 106 and the second lower tube portion 107 is a first split line 108, a connection line between the two first upper tube portion 103 and the first lower tube portion 106 and the two second upper tube portion 104 and the two second lower tube portion 107 is a second split line 109, and a connection line between the two second upper tube portion 104 and the third upper tube portion 105 is a third split line 110. The second split line 109 is close to the partition plate 2, and when the partition plate 2 needs to be overhauled, the partition plate 2 can be exposed only by splitting the mixing drum along the second split line 109, namely detaching the first upper drum part 103 and/or the second upper drum part 104, so that the overhauling difficulty of the partition plate 2 is reduced.

A stirring mill comprises a stirring cylinder, wherein a first stirring shaft 301 is rotationally connected in a first compartment 101, one end of the first stirring shaft 301 is rotationally connected with the cylinder wall at the starting end of the stirring cylinder, and the other end of the first stirring shaft 301 is arranged in the first compartment 101 in a cantilever supporting mode; a second stirring shaft 302 is rotatably connected in the second compartment 102, one end of the second stirring shaft 302 is rotatably connected with the wall of the tail end of the stirring cylinder, and the other end of the second stirring shaft 302 is arranged in the second compartment 102 in a cantilever supporting mode; the first stirring shaft 301 and the second stirring shaft 302 are separated and do not contact with each other, and can rotate relatively; the first stirring shaft 301 is driven by a first driver 307 to rotate, the driving end of the first driver 307 penetrates through the initial end of the stirring cylinder to be fixedly connected with the first stirring shaft 301, the second stirring shaft 302 is driven by a second driver 308 to rotate, and the driving end of the second driver 308 penetrates through the tail end of the stirring cylinder to be fixedly connected with the second stirring shaft 302. The first driver 307 and the second driver 308 have different rotation speeds to drive the first stirring shaft 301 and the second stirring shaft 302 to rotate in a differential manner, and because the material particle sizes in the first compartment 101 and the second compartment 102 are different, the power and the speed required for stirring different grinding media are different, and the rotation speeds of the first stirrer and the second stirrer are set according to the materials with different particle sizes and the grinding media with different sizes, so that the energy is utilized to the maximum extent.

A first stirring part 303 vertically extends from the first stirring shaft 301, a first reinforcing stirring part 304 vertically extends from one end of the first stirring part 303 far away from the stirring cylinder, every two adjacent first stirring parts 303 and the first reinforcing stirring parts 304 arranged on the first stirring parts 303 form a squirrel-cage structure, the first stirring shaft 301 drives the first stirring parts 303 to rotate, the first stirring parts 303 stir the materials and the grinding media in the first compartment 101, and the first reinforcing stirring parts 304 are used for stirring the materials and the grinding media at the bottom of the first compartment 101 to prevent the materials and the grinding media from accumulating at the bottom of the first compartment 101 and influencing the grinding effect of other materials; second stirring shaft 302 is provided with a second stirring part 305 in a vertical extending mode, one end, far away from the stirring cylinder, of second stirring part 305 is provided with a second reinforcing stirring part 306 in a vertical extending mode, every two adjacent second stirring parts 305 and the second reinforcing stirring parts 306 arranged on the second stirring parts form a squirrel-cage structure, second stirring shaft 302 drives second stirring parts 305 to rotate, the second stirring parts 305 stir the materials and the grinding media in second compartment 102, and second reinforcing stirring parts 306 are used for stirring the materials and the grinding media at the bottom of second compartment 102, so that the materials and the grinding media are prevented from being accumulated at the bottom of second compartment 102, and the grinding effect of other materials is influenced.

A pusher is fixed on the first stirring shaft 301 at the beginning end of the stirring cylinder, and is used for pushing the materials in the first compartment 101 from the beginning end of the first compartment 101 to the middle part, so that the materials entering the first compartment 101 are assisted to be rapidly mixed in the stirred materials and grinding media, namely the materials are assisted to rapidly enter a grinding area, the discharging speed is increased, and the materials are prevented from being blocked at the beginning end position of the first compartment 101; a pusher is also fixed to the second stirring shaft 302 at the beginning of the second compartment 102, and is used to push the material in the second compartment 102 from the beginning of the second compartment 102 to the middle of the second compartment 102, to assist the material entering the second compartment 102 to be rapidly mixed with the agitated material and the grinding medium, i.e. to assist the material to rapidly enter the grinding area, to increase the discharge rate, and to prevent the material from being blocked at the beginning of each compartment. The pusher is a screw propeller or is replaced by a first stirring member 303 and a first reinforced stirring member 304, a second stirring member 305 and a second reinforced stirring member 306.

A feed inlet is formed in the upper position of the end part of the starting end of the mixing drum, a feed pipe 4 extends from the feed inlet, and materials and grinding media sequentially enter the mixing drum along the feed pipe 4 and the feed inlet; the discharge gate has been seted up to the terminal below of churn, and discharge gate department extends there is discharging pipe 5, and the material that grinds is exported by discharge gate, discharging pipe 5 in proper order.

A ball separator 7 is arranged near the tail end of the mixing drum, and the ball separator 7 is used for separating grinding media and ground materials, so that the ground materials pass through the ball separator 7 and are output from the discharge hole, and the grinding media are prevented from passing through the ball separator 7. The third split line 110 is arranged close to the material ball separator 7, when the material ball separator 7 needs to be overhauled, the material ball separator 7 can be exposed only by splitting the mixing drum along the third split line 110, namely, splitting the second upper barrel part 104 and/or the third upper barrel part 105, and the overhauling difficulty of the material ball separator 7 is reduced. The discharge port is positioned between the material ball separator 7 and the tail end of the mixing drum.

An air inlet is formed at the starting end of the mixing drum, an air inlet pipe extends from the air inlet, the air inlet and the feed inlet are the same, and the air inlet pipe and the feed pipe 4 are the same; an air outlet is arranged at the tail end of the mixing drum, and an air outlet pipe 6 extends from the air outlet. By the convulsions of tuber pipe 6 department, wind is followed the top of churn in proper order to the end of first compartment 101, second compartment 102, churn to in proper order along air outlet, tuber pipe 6 is taken out, is used for promoting the material to remove in proper order to the end of first compartment 101, second compartment 102, churn by the top of churn, prevents that the material from piling up and causing the jam in the churn.

The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to aid in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (10)

1. The bin-divided stirring cylinder is characterized in that the main body is the stirring cylinder, at least two partition plates are arranged inside the stirring cylinder, each partition plate divides the stirring cylinder into two compartments, grinding media with different sizes are placed in each compartment, and the sizes of the grinding media are sequentially reduced from the starting end to the tail end of the stirring cylinder.

2. The bin mixing drum of claim 1, wherein the partition is provided with separation holes, and the size of each separation hole is smaller than the size of the grinding media in the two separated compartments.

3. The sub-silo mixing drum of claim 2, wherein the mixing drum is divided into a plurality of parts, and the connecting line of every two parts of the mixing drum is a split line which is arranged close to the partition plate.

4. A stirring mill, characterized by comprising the bin-divided stirring cylinder as claimed in any one of claims 1 to 3, wherein the stirring cylinder is rotatably connected with a stirring shaft, and a stirring piece extends from the stirring shaft.

5. A mixer mill according to claim 4, wherein the agitator shafts in different said compartments are rotatable relative to each other and the agitator shafts in different compartments rotate at different speeds relative to the mixer drum.

6. A mixer mill according to claim 4, wherein a pusher is provided at the beginning of each compartment, the pusher being arranged in the same direction from the beginning to the end of the mixing drum.

7. A mixer mill according to claim 4, wherein said agitator members have reinforcing agitator members extending from an end of the agitator shaft, each two adjacent agitator members and the reinforcing agitator members provided thereon forming a squirrel cage configuration.

8. The stirring mill as set forth in claim 4, wherein a feed port is opened at the beginning of the stirring cylinder, and a feed pipe extends from the feed port; the tail end of the mixing drum is provided with a discharge hole, and a discharge pipe extends from the discharge hole.

9. A mixer mill according to claim 8, wherein the mixer drum is provided with a ball separator near the end, the at least one parting line on the mixer drum being provided near the ball separator, and the discharge opening being located between the ball separator and the end of the mixer drum.

10. The agitator mill of claim 9, wherein an air inlet is formed at the beginning of the agitator drum, and an air inlet pipe extends from the air inlet; an air outlet is formed at the tail end of the stirring cylinder, and an air outlet pipe extends from the air outlet.

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