CN111974513B

CN111974513B - Cement ball mill

Info

Publication number: CN111974513B
Application number: CN202010726634.0A
Authority: CN
Inventors: 方立敏
Original assignee: Huzhou Linghu Sanshi Cement Co ltd
Current assignee: Huzhou Linghu Sanshi Cement Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2022-03-18
Anticipated expiration: 2040-07-25
Also published as: CN111974513A

Abstract

The utility model relates to a cement ball mill relates to the field of ball mill, and it includes base, ball mill section of thick bamboo, cooling shell, atomizer and runner assembly, a ball mill section of thick bamboo with the base rotates to be connected, the cooling shell with pedestal connection and cover are located ball mill section of thick bamboo periphery, atomizer locates cooling shell inner chamber and is equipped with a plurality ofly, atomizer can communicate with the water source, runner assembly includes rotating turret and first motor, the rotating turret is located cooling shell inner chamber and with the base rotates and connects, first motor with base fixed connection, first motor with the rotating turret is connected, and is a plurality of atomizer with all with rotating turret fixed connection. This application has the effect that can improve the grinding quality to the material.

Description

Cement ball mill

Technical Field

The application relates to the field of ball mills, in particular to a cement ball mill.

Background

The ball mill is an abrasive device, is used for further grinding operation of crushed materials, is mainly applied to grinding and manufacturing of cement, silicate products, novel building materials, refractory materials and the like, and is mainly applied to grinding of finished products and raw materials in cement factories.

In the related art, referring to fig. 1, the ball mill includes a base 82, a ball mill cylinder body 8, a plurality of grinding blocks and a rotating mechanism 81, the ball mill cylinder body 8 is rotatably connected to the base 82, the plurality of grinding blocks are placed in the ball mill cylinder body 8, and the rotating mechanism 81 is arranged on the base 82 and is used for driving the ball mill cylinder body 8 to rotate; during the use, during the material that will grind is added ball mill section of thick bamboo body 8, drive ball mill section of thick bamboo body 8 by slewing mechanism 81 again and rotate, ball mill section of thick bamboo body 8 pivoted in-process, the material alright take place centrifugal motion along with ball mill section of thick bamboo body 8's motion in the ball mill section of thick bamboo body 8, thereby the material alright drop after the lower department motion to the higher department in the ball mill section of thick bamboo body 8 of ball mill section of thick bamboo body 8 by ball mill section of thick bamboo body 8, at this in-process, the material alright collide with the abrasive brick in the ball mill section of thick bamboo body 8, the material alright grinds the material with the in-process of ball mill section of thick bamboo body 8 inner wall and abrasive brick collision each other respectively.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that the grinding quality of the material is poor due to heat generated when the material collides with the inner wall of the ball mill cylinder and the grinding block in the grinding process.

Disclosure of Invention

In order to improve the grinding quality to the material, this application provides a cement ball mill.

The application provides a cement ball mill adopts following technical scheme:

the utility model provides a cement ball mill, includes base, ball mill section of thick bamboo, cooling shell, atomizer and runner assembly, the ball mill section of thick bamboo with the base rotates to be connected, the cooling shell with pedestal connection and cover are located ball mill section of thick bamboo periphery, atomizer locates cooling shell inner chamber and is equipped with a plurality ofly, atomizer can communicate with the water source, runner assembly includes rotating turret and first motor, the rotating turret is located cooling shell inner chamber and with the base rotates to be connected, first motor with base fixed connection, first motor with the rotating turret is connected, and is a plurality of atomizer with all with rotating turret fixed connection.

By adopting the technical scheme, during operation, the ball mill runs, materials in the ball mill barrel collide with the grinding blocks or the grinding blocks collide with the ball mill barrel, so that the ball mill barrel, the grinding blocks and the like generate heat; in addition, the rotating frame drives air to flow in the rotating process, so that the water mist sprayed by the atomizing nozzle can further flow in the cooling shell at an accelerated speed, and the cooling effect on the ball grinding cylinder is further improved.

Preferably, the cooling shell includes two movable shells, two one side that the movable shell was gone up towards the ball mill section of thick bamboo all is equipped with the opening, two the opening of movable shell is just to setting up, two the movable shell can follow opposite direction in sliding connection on the base, two when the opening of movable shell merges, two is arranged in to the ball mill section of thick bamboo in the cavity that the movable shell encloses.

Through adopting above-mentioned technical scheme, when ambient temperature is below zero or the temperature is lower, for the waste of avoiding the water resource, need not to carry out the water smoke cooling to the ball-milling section of thick bamboo, this moment, part two movable shells, the ball-milling section of thick bamboo can be directly and outside air contact to can directly utilize cold air to cool down the ball-milling section of thick bamboo, it has reduced the waste of water resource, can be applicable to the higher climatic condition of temperature, can reduce the waste to the water resource under the lower climatic condition of temperature again, higher commonality has.

Preferably, be equipped with two-way drive assembly on the base, two-way drive assembly includes two-way screw rod, second motor and two screw nut, two-way screw rod with the base rotates to be connected, second motor fixed connection in just on the base second motor drive two-way screw rod rotates, two screw nut respectively with two different screw thread section threaded connection of two-way screw rod, a screw nut corresponds fixed connection one the movable shell.

By adopting the technical scheme, when the two-way driving assembly drives the two movable shells to move along opposite directions, the second motor drives the two-way screw to rotate, the two screw nuts are driven to rotate relative to the two screw nuts when the two-way screw rotates, and the two movable shells can be driven to move along opposite directions when the two screw nuts rotate along the two-way screw; when the two movable shells move relatively, the ball grinding cylinder is clamped between the two movable shells; when the two movable shells move along opposite directions, the ball grinding cylinder is exposed in the air; the driving mode has simple structure and can drive the two movable shells to synchronously move.

Preferably, the inner wall of the movable shell is wavy along the circumferential direction of the ball grinding cylinder.

Through adopting above-mentioned technical scheme, when atomizer rotated along ball mill section of thick bamboo, the water smoke that erupts also had certain motion trend in the cooling shell, at this moment, because the activity shell inner wall is the wave along the circumference of ball mill section of thick bamboo, consequently, the water smoke that erupts when the not internal diameter department of equidimension in the activity shell, water smoke gets into the great part of internal diameter from the less part of activity shell internal diameter, water smoke has the trend of outwards dispersing, water smoke gets into the less part of internal diameter from the great part of activity shell internal diameter, water smoke has the trend of gathering, consequently, water smoke is when the different internal diameters through the activity shell, can mix more evenly, thereby can be with the more even of ball mill section of thick bamboo cooling.

Preferably, the rotating turret includes rolling disc and a plurality of dwang, the rolling disc with the base rotates to be connected, each the dwang all with rolling disc fixed connection, and each the dwang all is followed and is on a parallel with the axis setting of a ball mill section of thick bamboo, it is a plurality of the dwang is followed the circumference of a ball mill section of thick bamboo distributes, atomizer fixed connection in on the dwang.

By adopting the technical scheme, when the rotating frame rotates, the rotating disc drives the rotating rod to rotate, and when the rotating rod rotates, the atomizing spray head is driven to rotate; through setting up a plurality of dwang, can make the dwang distribute in ball mill section of thick bamboo periphery with the frame form, avoid the rotating turret to influence the heat dissipation of ball mill section of thick bamboo.

Preferably, the first motor with base fixed connection, the first motor with be equipped with the speed reduction subassembly between the rolling disc, the speed reduction subassembly includes first gear and second gear, first gear with the output shaft rigid coupling of first motor, the second gear with the rolling disc rigid coupling, just the axis of rotation of second gear with the axis of rotation coincidence of rolling disc, first gear with second gear intermeshing, just the number of teeth of first gear is less than the number of teeth of second gear.

By adopting the technical scheme, the first motor drives the first gear to rotate, the first gear drives the second gear to rotate when rotating, and the second gear can drive the rotating disc to rotate when rotating; because the number of teeth of the first gear is less than that of the second gear, the torque output by the first motor can be output to a larger torque of the rotating disc after being transmitted by the power of the speed reducing motor through the speed reducing assembly, and the rotating disc can rotate more smoothly.

Preferably, the conch wall of cooling shell runs through and has seted up air intake and air outlet, air intake department intercommunication is equipped with the air-supply line, air outlet department intercommunication is equipped with the tuber pipe, air outlet department is equipped with the exhaust fan.

Through adopting above-mentioned technical scheme, during the operation, the air exchange in the cooling shell is carried out through air-supply line and play tuber pipe to the exhaust fan operation to the volume of vapor in the reducible cooling shell, thereby improve the cooling effect to the ball grinding section of thick bamboo.

Preferably, the air outlet pipe is far away from one end of the air outlet is arranged in an S shape, the air outlet pipe faces the end far away from the air outlet and is obliquely and downwards arranged, and a water collecting tank is arranged at the end far away from the air outlet.

Through adopting above-mentioned technical scheme, the air outgoing's in-process in the air-out pipe progressively cools off and forms the water droplet and attach to air-out intraductal wall to along air-out intraductal wall discharge to the header tank in, the discharged water droplet assembles in the header tank, alright recycle, its water economy resource that has practiced thrift.

Preferably, be equipped with the suction pump in the header tank, the suction pump can with atomizer intercommunication.

Through adopting above-mentioned technical scheme, when the water in the header tank reaches a quantitative, take the water in the header tank out with the suction pump, take out through the atomizer again, realize the reuse of water resource.

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

1. the rotary component is arranged to drive the atomizing nozzle to move, and the atomizing nozzle uniformly cools the ball milling barrel in the moving process, so that the grinding quality of the material is ensured;

2. the two separable movable shells are arranged, so that the grinding machine is suitable for grinding materials under different climatic conditions, has high universality and saves water resources;

3. the exhaust fan is arranged, so that air in the cooling shell can flow conveniently, and the grinding effect of the ball grinding cylinder is improved.

Drawings

Fig. 1 is an overall structural view of the related art;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a schematic view of a half-section of an embodiment of the present application;

FIG. 4 is a schematic diagram of an exploded structure of a ball milling cartridge, a turret, and a movable housing according to an embodiment of the present application;

FIG. 5 is a schematic view of the air inlet duct and the air outlet duct according to the embodiment of the present application;

fig. 6 is a schematic diagram of a half-section structure of a water collecting tank and an air outlet pipe in an embodiment of the application.

Description of reference numerals: 1. a base; 11. a ball milling cylinder; 12. a material passing pipe; 13. an atomizing spray head; 2. cooling the shell; 21. a movable shell; 22. an opening; 23. an air inlet; 24. an air outlet; 25. an air inlet pipe; 26. an air outlet pipe; 27. an exhaust fan; 28. a water collection tank; 29. a water pump; 3. a rotating frame; 31. rotating the disc; 32. rotating the rod; 33. a first motor; 4. a bi-directional drive assembly; 41. a bidirectional screw; 42. a second motor; 43. a lead screw nut; 44. a rotating seat; 5. a guide assembly; 51. a guide rail; 52. a guide block; 6. a speed reduction assembly; 61. a first gear; 62. a second gear; 7. a main water pipe; 8. a grinding cylinder body; 81. a rotating mechanism; 82. a base body.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses a cement ball mill. Referring to fig. 2 and 3, a cement ball mill includes a base 1, a ball mill barrel 11, a cooling housing 2, an atomizing nozzle 13, and a rotating assembly.

Referring to fig. 2 and 3, the base 1 is in a shape of a Chinese character 'ao' with an upward opening 22, the ball milling barrel 11 is in a hollow cylindrical shape, the axis of the ball milling barrel 11 is horizontally arranged, two ends of the ball milling barrel 11 are respectively and coaxially welded with the material passing pipes 12, a material enters from any one of the material passing pipes 12 and is discharged from the other material passing pipe 12, the two material passing pipes 12 are respectively and rotatably connected with two side walls of the base 1, and a rotating mechanism 81 for driving the ball milling barrel 11 to rotate is mounted on the base 1 through screws.

Referring to fig. 2 and 4, the cooling shell 2 includes two movable shells 21, the inner wall of each movable shell 21 is wavy along the circumference of the ball milling barrel 11, the two movable shells 21 are symmetrically arranged on both sides of the axis of the ball milling barrel 11 by taking the axis of the ball milling barrel 11 as a symmetry axis, an opening 22 is arranged on one side of each movable shell 21 facing the ball milling barrel 11, the openings 22 of the two movable shells 21 are arranged right opposite to each other, the two movable shells 21 can be slidably connected with the bottom wall of the base 1 along opposite directions in the horizontal direction, the moving directions of the two movable shells 21 are perpendicular to the axis of the ball milling barrel 11, and when the openings 22 of the two movable shells 21 are combined, the ball milling barrel 11 is arranged in a cavity surrounded by the two movable shells 21. The base 1 is provided with a bidirectional driving component 4 for driving the two movable shells 21 to move along opposite directions, and the bidirectional driving component 4 comprises a bidirectional screw 41, a second motor 42 and two lead screw nuts 43; the bidirectional screw 41 is rotatably connected with the bottom wall of the base 1, the bottom wall of the base 1 is respectively welded with a rotating seat 44 at two ends of the bidirectional screw 41, two ends of the bidirectional screw 41 are rotatably connected with the two rotating seats 44, the second motor 42 is a servo motor, a motor shell of the second motor 42 is fixedly connected with the rotating seats 44 through screws, and an output shaft of the second motor 42 penetrates through the rotating seats 44 to be coaxially fixedly connected with the bidirectional screw 41 through a coupler; two lead screw nuts 43 are respectively in threaded connection with two different thread sections of the bidirectional screw 41, and one lead screw nut 43 is correspondingly welded with one movable shell 21. The base 1 diapire is equipped with the direction subassembly 5 of being connected with two movable shell 21, and direction subassembly 5 includes guide rail 51 and two guide blocks 52, and guide rail 51 is linear slide rail, and guide rail 51 passes through screw and 1 diapire fixed connection of base, and guide rail 51 and two-way screw rod 41 parallel arrangement, guide block 52 are the linear slider that matches with linear slide rail, and what each linear slider corresponds passes through screw fixed connection with a movable shell 21.

Referring to fig. 3 and 4, the rotating assembly comprises a rotating frame 3 and a first motor 33, the first motor 33 drives the rotating frame 3 to rotate forward and backward, the rotating frame 3 is arranged in the inner cavity of the cooling shell 2, the rotating frame 3 comprises a rotating disc 31 and a plurality of rotating bars 32, two rotating discs 31 are arranged, the two rotating discs 31 are coaxially connected with the body of the ball milling barrel 11, and each rotating disc 31 is in one-to-one correspondence to one side wall of the base 1; first motor 33 is servo motor, first motor 33 passes through screw and 1 lateral wall fixed connection of base, be equipped with speed reduction subassembly 6 between the output shaft of first motor 33 and arbitrary rolling disc 31, speed reduction subassembly 6 includes first gear 61 and second gear 62, first gear 61 passes through the coaxial rigid coupling of mode of key-type connection with the output shaft of first motor 33, rolling disc 31 one end is passed the 1 lateral wall of base and is connected with 1 lateral wall of base rotation, rolling disc 31 passes the one end of 1 of base and the coaxial welding of second gear 62, first gear 61 and second gear 62 intermeshing, and the number of teeth of first gear 61 is less than the number of teeth of second gear 62. In this embodiment, 3 rotating rods 32 are provided, both ends of each rotating rod 32 are welded to the rotating disc 31, each rotating rod 32 is arranged along an axis parallel to the ball milling cylinder 11, the 3 rotating rods 32 are uniformly distributed along the circumference of the ball milling cylinder 11, the plurality of atomizing spray heads 13 are distributed on the rotating rods 32, and each atomizing spray head 13 is fixedly connected with the rotating rod 32 through screws; a main water pipe 7 is fixedly connected through the side wall of the movable shell 21, and a water diversion pipe (not shown) is connected between the main water pipe 7 and each atomizing nozzle 13. The main water pipe 7 and the water distribution pipe are plastic hoses, the main water pipe 7 is communicated with a water source, and the water source is a city water supply system.

Referring to fig. 5 and 6, the shell wall of the movable shell 21 is provided with an air inlet 23 and an air outlet 24 in a penetrating manner, the air inlet 23 is communicated with an air inlet pipe 25, the air outlet 24 is communicated with an air outlet pipe 26, the air inlet pipe 25 is welded with the inner wall of the air inlet 23, the air outlet pipe 26 is welded with the inner wall of the air outlet 24, and the inner wall of the air outlet pipe 26 is fixedly connected with an exhaust fan 27 through screws; one end of the air outlet pipe 26, which is far away from the air outlet 24, is arranged in an S shape, the air outlet pipe 26 is arranged obliquely downwards towards one end, which is far away from the air outlet 24, a water collecting tank 28 is arranged at one end, which is far away from the air outlet 24, of the air outlet pipe 26, and one end, which is far away from the air outlet 24, of the air outlet pipe 26 extends into the water collecting tank 28; a water pump 29 is arranged in the water collecting tank 28, a four-way valve is communicated with the main water pipe 7, and the other two openings 22 of the four-way valve are communicated with the water pump 29 and the urban water supply system through water pipes.

The implementation principle of the cement ball mill in the embodiment of the application is as follows: during operation, materials are added into the ball grinding cylinder 11 through the material passing pipe 12, the rotating mechanism 81 drives the ball grinding cylinder 11 to rotate, the materials are ground when the ball grinding cylinder 11 rotates, and when the ball grinding cylinder 11 grinds the materials, the materials and the grinding blocks in the ball grinding cylinder 11 collide and rub with the ball grinding cylinder 11, so that the ball grinding cylinder 11 generates heat.

After the ball mill barrel 11 generates heat, the first motor 33 drives the first gear 61 to rotate in the forward and backward directions, the first gear 61 drives the second gear 62 to rotate when rotating, the rotating disc 31 is driven to rotate when the second gear 62 rotates, the rotating disc 31 drives the plurality of rotating rods 32 to rotate when rotating, the atomizing nozzle 13 is driven to rotate in the forward and backward directions when the rotating rod 32 rotates, the atomizing nozzle 13 rotates in-process and is communicated with a water source to spray water to the ball mill barrel 11, and therefore the ball mill barrel 11 is cooled.

The air exhauster operation when atomizer 13 sprays water, because the temperature in cooling shell 2 is higher this moment, therefore partial water smoke evaporation is vapor and discharges through going out tuber pipe 26, and the exhaust in-process of vapor cools off gradually and is the water droplet and drops to in the header tank 28, and when the water in the header tank 28 assembles a definite amount, with cross valve with main water pipe 7 and suction pump 29 intercommunication, alright recycle the water in the header tank 28.

In winter, the second motor 42 drives the bidirectional screw rod 41 to rotate, and here, the guide assembly 5 has a guide effect on the movable shell 21, and the movable shell 21 is fixedly connected with the screw nut 43, so that the bidirectional screw rod 41 drives the two screw nuts 43 to rotate relatively along the bidirectional screw rod 41 when rotating, the two screw nuts 43 move along the bidirectional screw rod 41 in opposite directions while rotating along the bidirectional screw rod 41, so that the two movable shells 21 are separated, and the ball milling barrel 11 can be directly contacted with cold air after the two movable shells 21 are separated, thereby cooling the ball milling barrel 11.

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

1. A cement ball mill is characterized in that: comprises a base (1), a ball milling cylinder (11), a cooling shell (2), an atomizing nozzle (13) and a rotating component, the ball milling cylinder (11) is rotationally connected with the base (1), the cooling shell (2) is connected with the base (1) and covers the periphery of the ball milling cylinder (11), the atomizing nozzles (13) are arranged in the inner cavity of the cooling shell (2) and are provided with a plurality of atomizing nozzles, the atomizing spray head (13) is communicated with a water source, the rotating assembly comprises a rotating frame (3) and a first motor (33), the rotating frame (3) is arranged in the inner cavity of the cooling shell (2) and is rotationally connected with the base (1), the first motor (33) is fixedly connected with the base (1), the first motor (33) is connected with the rotating frame (3), and the plurality of atomizing nozzles (13) are fixedly connected with the rotating frame (3);

the cooling shell (2) comprises two movable shells (21), openings (22) are formed in one sides, facing the ball milling barrel (11), of the two movable shells (21), the openings (22) of the two movable shells (21) are arranged oppositely, the two movable shells (21) are connected on the base (1) in a sliding mode in opposite directions, and when the openings (22) of the two movable shells (21) are combined, the ball milling barrel (11) is arranged in a cavity formed by the two movable shells (21);

the inner wall of the movable shell (21) is wavy along the circumferential direction of the ball grinding cylinder (11);

the conch wall of cooling shell (2) runs through and has seted up air intake (23) and air outlet (24), air intake (23) department intercommunication is equipped with air-supply line (25), air outlet (24) department intercommunication is equipped with out tuber pipe (26), air outlet (24) department is equipped with exhaust fan (27).

2. A cement ball mill according to claim 1, characterized in that: be equipped with two-way drive assembly (4) on base (1), two-way drive assembly (4) include two-way screw rod (41), second motor (42) and two screw nut (43), two-way screw rod (41) with base (1) rotates to be connected, second motor (42) fixed connection in on base (1) just second motor (42) drive two-way screw rod (41) rotate, two screw nut (43) respectively with two different screw section threaded connection of two-way screw rod (41), a screw nut (43) correspond fixed connection one movable shell (21).

3. A cement ball mill according to claim 1, characterized in that: rotating turret (3) include rolling disc (31) and a plurality of dwang (32), rolling disc (31) with base (1) rotates to be connected, each dwang (32) all with rolling disc (31) fixed connection, and each dwang (32) all along being on a parallel with the axis setting of a ball mill section of thick bamboo (11), it is a plurality of dwang (32) are followed the circumference of a ball mill section of thick bamboo (11) distributes, atomizer (13) fixed connection in on dwang (32).

4. A cement ball mill according to claim 3, characterized in that: first motor (33) with base (1) fixed connection, first motor (33) with be equipped with between rolling disc (31) speed reduction subassembly (6), speed reduction subassembly (6) include first gear (61) and second gear (62), first gear (61) with the output shaft rigid coupling of first motor (33), second gear (62) with rolling disc (31) rigid coupling, just the axis of rotation of second gear (62) with the axis of rotation coincidence of rolling disc (31), first gear (61) with second gear (62) intermeshing, just the number of teeth of first gear (61) is less than the number of teeth of second gear (62).

5. A cement ball mill according to claim 1, characterized in that: the air outlet pipe (26) is far away from one end of the air outlet (24) is arranged in an S shape, the air outlet pipe (26) faces away from one end of the air outlet (24) and is arranged obliquely downwards, and the water collecting tank (28) is arranged at one end of the air outlet (24) where the air outlet pipe (26) is far away from.

6. A cement ball mill according to claim 5, characterized in that: be equipped with suction pump (29) in header tank (28), suction pump (29) with atomizer (13) intercommunication.