CN113856835A

CN113856835A - Dry-type ball mill and using method thereof

Info

Publication number: CN113856835A
Application number: CN202110952832.3A
Authority: CN
Inventors: 汤元凯; 姚跃跃
Original assignee: Xuzhou Zhongshun Heavy Machinery Co ltd
Current assignee: Xuzhou Zhongshun Heavy Machinery Co ltd
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-12-31

Abstract

The invention relates to the technical field of ball mills, and discloses a dry-type ball mill and a using method thereof. The dry ball mill and the use method have the advantages that the whole rotation of the ball mill rotary drum is realized in a high-efficiency automatic mode, the stable support is realized, the safety and the reliability are realized, the static electricity during the processing is eliminated, the safety factor is improved, and the application range is wide.

Description

Dry-type ball mill and using method thereof

Technical Field

The invention relates to the technical field of ball mills, in particular to a dry-type ball mill and a using method thereof.

Background

The dry ball mill is a device for grinding materials in a dry way, is a key device for crushing the materials after being crushed, and consists of a ball milling tank and a recovery cover. The dry ball mill is a grinding machine which is most widely used in the industrial fields of building materials (cement), chemical industry, electric power, mineral separation, metallurgy, aerated brick production and the like; the method is mainly used for grinding cement clinker, raw meal, slag, raw coal, furnace slag, limestone and the like in the field of cement production, and is mainly used for grinding lime, fly ash, gypsum, yellow sand and the like in the field of aerated brick production.

At present, the existing dry ball mill and the using method have the following problems: (1) the feeding and discharging are inconvenient to be directly carried out through a single charging barrel, the cost is high, the whole rotation processing cannot be automatically and rapidly controlled, the practicability is low, the stable support is difficult, and the safety is low; (2) the ball mill can generate large static electricity after being processed for a long time, so that the static electricity is inconvenient to eliminate, the safety coefficient is low, and the application range is limited. For this reason, a corresponding technical scheme needs to be designed for solution.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a dry ball mill and a using method thereof, and solves the technical problems that feeding and discharging are inconvenient to directly pass through a single charging barrel, the cost is high, the whole rotation processing cannot be automatically and rapidly controlled, the practicability is low, the stable support is difficult, and the safety is low.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a dry ball mill comprises a ball mill rotary drum, a driving motor and a static removing device, wherein a material port is formed in the middle end of the ball mill rotary drum, a feeding and discharging material cylinder is fixedly arranged at the outer end of the material port and is of a flaring structure, auxiliary rotating gear shafts are fixedly arranged at two ends of the ball mill rotary drum, a rotary shaft column is connected to the outer end of each auxiliary rotating gear shaft, a right support plate is fixedly arranged at the right end of the rotary shaft column, a left support plate is fixedly arranged at the left end of the rotary shaft column, a driving gear shaft is connected to the bottom of each auxiliary rotating gear shaft in a meshed manner, a driving shaft is connected to the right end of each driving gear shaft, the driving motor is connected to the right end of each driving shaft, the static removing device is arranged at the front end of the ball mill rotary drum, a metal net frame is fixedly arranged at the inner side end of the static removing device, and the top of the static removing device is electrically connected with a high-voltage power generator, the static electricity eliminating device is characterized in that an electrostatic blowing plate is arranged at the front end inside the static electricity eliminating device, and air outlets are distributed at the front end of the electrostatic blowing plate.

Preferably, a fixing rod is fixedly arranged in the middle of the inside of the ball mill revolving drum, a stirring frame and a cross rod are welded and distributed at the outer end of the fixing rod, and grinding balls are filled and distributed in the ball mill revolving drum.

Preferably, the middle of the left end of the driving gear shaft is connected with a connecting shaft, the left end of the connecting shaft is rotatably connected with a bearing, and a fixing plate is fixedly arranged at the left end of the bearing.

Preferably, cushion blocks are fixedly distributed at the bottom of the driving motor and made of EVA cushion blocks.

Preferably, the front end of the ball mill rotary drum is connected with a cover plate, the outer end of the cover plate is fixedly welded with a fixed block, and a sealing ring is bonded on the inner side of the cover plate in a circle.

Preferably, the inner end of the rotating shaft column is rotatably connected with a bearing, and the bearing is fixedly arranged in the middle of the outer end of the auxiliary rotating gear shaft.

Preferably, the method comprises the following steps:

s1, feed preparation: opening a sealing cover at the top of the charging and discharging material barrel, putting the materials into the rotary drum of the ball mill, and opening a cover plate to stop at any time and feed the materials to the inside;

s2, starting mixing and grinding: starting a driving motor, controlling a driving shaft to rotate, driving a driving gear shaft to stably rotate, and further engaging an auxiliary rotating gear shaft to rotate, so that materials in a rotary drum of the ball mill are rotated and mixed with the materials;

s3, high-voltage static electricity removal: the high-voltage power supply generator at the top of the static removing device is started, and static removing is performed through uniform air blowing at a plurality of air outlets of the static removing device internal static blowing plate, so that static electricity generated by processing the inside of the ball mill rotating drum is effectively eliminated, the safety factor is improved, and the metal net rack is separated and blocked, so that the material is prevented from leaking.

Preferably, in step S3, the length of the static removing device is smaller than the length of the ball mill drum, and the width of the static removing device is smaller than the width of the ball mill drum.

(III) advantageous effects

(1) This dry-type ball mill and application method, convenient direct business turn over material of the business turn over material feed cylinder high-efficient through flaring type structure, moreover, the steam generator is simple in structure, low cost, the driving gear axle that the bottom meshing of the auxiliary rotating gear axle and the auxiliary rotating gear axle that sets up is connected through fixing at the both ends of ball mill rotary drum, the process driving gear axle that can high-efficiently automize rotates, drive auxiliary rotating gear axle and make the whole rotation of ball mill rotary drum, reasonable in design, the practicality is high, through the backup pad through pivot support connnection in auxiliary rotating gear axle outer end, stable support, safety and reliability.

(2) According to the dry type ball mill and the using method, the static removing device is arranged at the front end of the ball mill revolving drum, the electric blower can be efficiently supplied to the inside of the ball mill revolving drum in real time, static electricity during machining is eliminated, safety coefficient is improved, the metal net rack is fixedly arranged at the inner side end of the static removing device, safety is achieved, and the application range is wide.

Drawings

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

FIG. 2 is a schematic view of a driving gear shaft according to the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the driving motor structure of the present invention;

FIG. 5 is a schematic view of the external structure of the static discharge apparatus of the present invention;

fig. 6 is a schematic view of the inner side structure of the static eliminator according to the present invention.

In the figure, a ball mill rotary cylinder 100, a charging and discharging cylinder 110, an auxiliary rotating gear shaft 120, a rotating shaft column 130, a right support plate 140, a left support plate 150, a cover plate 160, a material port 170, a fixing rod 180, a stirring frame 181, a cross rod 182, a grinding ball 183, a driving motor 200, a driving gear shaft 210, a driving shaft 220, a connecting shaft 230, a fixing plate 240, a bearing 250, a cushion block 260, a static electricity removing device 300, a high voltage power generator 320, a metal net frame 330, an electrostatic blowing plate 340 and an air outlet 350 are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a dry ball mill comprises a ball mill rotary drum 100, a driving motor 200 and a static eliminating device 300, and is characterized in that: the middle end of the ball mill rotary drum 100 is provided with a material port 170, the outer end of the material port 170 is fixedly provided with a feeding and discharging material cylinder 110, the feeding and discharging material cylinder 110 is of a flaring structure, two ends of the ball mill rotary drum 100 are fixedly provided with auxiliary rotating gear shafts 120, the outer ends of the auxiliary rotating gear shafts 120 are connected with a rotary shaft column 130, the right end of the rotary shaft column 130 is fixedly provided with a right support plate 140, the left end of the rotary shaft column 130 is fixedly provided with a left support plate 150, the bottom of the auxiliary rotating gear shafts 120 is engaged and connected with a driving gear shaft 210, the right end of the driving gear shaft 210 is connected with a driving shaft 220, the right end of the driving shaft 220 is connected with a driving motor 200, the static electricity eliminating device 300 is arranged at the front end of the rotary drum 100, the inner side end of the static electricity eliminating device 300 is fixedly provided with a metal net rack 330, and the top of the static electricity eliminating device 300 is electrically connected with a high voltage power generator 320, an electrostatic blowing plate 340 is arranged at the front end inside the static electricity removing device 300, and an air outlet 350 is formed in the front end of the electrostatic blowing plate 340.

In a further improvement, a fixing rod 180 is fixedly arranged in the middle of the inside of the ball mill revolving drum 100, a stirring frame 181 and a cross rod 182 are welded and distributed at the outer end of the fixing rod 180, and grinding balls 183 are filled and distributed in the inside of the ball mill revolving drum 100, so that the grinding efficiency is further improved.

In a further improved manner, the middle of the left end of the driving gear shaft 210 is connected with a connecting shaft 230, the left end of the connecting shaft 230 is rotatably connected with a bearing 250, a fixing plate 240 is fixedly arranged at the left end of the bearing 250, the rotation is assisted, the stability is high, and the shaking is avoided.

Further improved, driving motor 200's bottom fixed distribution has cushion 260, cushion 260 adopts the EVA cushion material, and the buffering shock attenuation, antiskid is wear-resisting, and the noise reduction has improved machining efficiency, long service life.

In a further improvement, the front end of the ball mill revolving drum 100 is connected with a cover plate 160, the outer end of the cover plate 160 is fixedly welded with a fixing block, and a sealing ring is bonded to the inner side of the cover plate 160 at one circumference.

In a further improvement, a bearing is rotatably connected to the inner end of the rotating shaft column 130, and the bearing is fixedly disposed in the middle of the outer end of the auxiliary rotating gear shaft 120.

In a further development, the method comprises the following method steps:

s1, feed preparation: the sealing cover at the top of the charging and discharging material barrel 110 is opened, the material is put into the ball mill revolving drum 100, and the cover plate 160 can be opened to stop the machine at any time and feed the material to the inside;

s2, starting mixing and grinding: starting the driving motor 200, controlling the driving shaft 220 to rotate, driving the driving gear shaft 210 to stably rotate, thereby engaging the auxiliary rotating gear shaft 120 to rotate, and rotating and mixing the materials in the ball mill revolving drum 100;

s3, high-voltage static electricity removal: the high voltage power supply generator 320 at the top of the static eliminating device 300 is started, and static electricity is eliminated through uniformly blowing the air through the air outlets 350 of the static electricity blowing plates 340 inside the static eliminating device 300, so that static electricity generated by processing the inside of the ball mill rotating drum 100 is effectively eliminated, the safety factor is improved, and the metal net rack 330 is separated and blocked to avoid material leakage.

Specifically, in step S3, the length of the static electricity removing device 300 is smaller than the length of the ball mill revolving drum 100, and the width of the static electricity removing device 300 is smaller than the width of the ball mill revolving drum 100, so that the static electricity removing device is convenient to install stably and eliminates static electricity in a larger area.

The drive motor 200 is of the type PTNF22-0400-5CB and the static discharge apparatus 300 is of the type FRASER 1250-S, wherein the circuits or electronic components involved are prior art and are fully within the reach of those skilled in the art, and it is needless to say that the protection of the present invention does not involve software and process modifications.

Convenient direct business turn over material through the high-efficient business turn over material of business turn over material feed cylinder 110 of flaring type structure, low cost, the automatic process driving motor 200 control rotation of driving gear shaft 210 that meshes the connection through the fixed supplementary rotation gear shaft 120 in ball mill rotary drum 100 both ends and its bottom drives supplementary rotation gear shaft 120 and makes ball mill rotary drum 100 wholly rotate, through supplementary rotation gear shaft 120 outer end through right branch fagging 140 and the left branch fagging 150 stabilizing support that the pivot post 130 is connected, safety and reliability, remove static device 300 real-time power supply through ball mill rotary drum 1 front end and blow inside ball mill rotary drum 100, eliminate static in man-hour, safety factor has been improved, through removing the fixed metal rack 330 safety barrier of static device 300 inboard end, application scope is wide.

Example 1

The invention provides a technical scheme, which comprises the following steps:

Example 2

The invention provides a technical scheme, which comprises the following steps:

s2, starting mixing and grinding: the driving motor 200 is started, the driving shaft 220 is controlled to rotate, the driving gear shaft 210 is driven to stably rotate, so that the auxiliary rotating gear shaft 120 is meshed to rotate, materials in the ball mill revolving drum 100 are rotated and mixed with the materials, and the stirring frame 181 and the cross rods 182 which are distributed at the outer end of the middle fixing rod 180 in the ball mill revolving drum 100 in a welding mode are combined with the grinding balls 183 which are distributed in the ball mill revolving drum 100 in a filling mode to further grind the materials efficiently;

The invention relates to a ball mill revolving drum 100, a charging and discharging barrel 110, an auxiliary rotating gear shaft 120, a rotating shaft column 130, a right support plate 140, a left support plate 150, a cover plate 160, a material port 170, a fixed rod 180, a stirring frame 181, a cross rod 182, a grinding ball 183, a driving motor 200, a driving gear shaft 210, a driving shaft 220, a connecting shaft 230, a fixed plate 240, a bearing 250, a cushion block 260, a static electricity removing device 300, a high-voltage power generator 320, a metal net frame 330, an electrostatic blowing plate 340 and an air outlet 350, which are all universal standard parts or parts known by technicians in the field, the structure and principle of the parts can be known by technical manuals or conventional experimental methods, the invention solves the problems that the charging and discharging are inconvenient to be directly carried out through the independent barrel, the cost is high, the integral rotating processing cannot be automatically and rapidly controlled, the practicability is low, the stable supporting is difficult, and the safety is low, the ball mill rotary drum is simple in structure, low in cost, high in efficiency, automatic, reasonable in design, high in practicability, stable in supporting, capable of efficiently supplying power and blowing air into the ball mill rotary drum in real time, eliminating static electricity during processing, improving safety factor, safe in blocking and wide in application range.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A dry ball mill comprising a ball mill bowl (100), a drive motor (200) and a static discharge apparatus (300), characterized in that: the material inlet (170) is formed in the middle end of the ball mill rotary drum (100), the material inlet and outlet cylinder (110) is fixedly arranged at the outer end of the material inlet (170), the material inlet and outlet cylinder (110) is of a flaring structure, auxiliary rotary gear shafts (120) are fixedly arranged at two ends of the ball mill rotary drum (100), the outer ends of the auxiliary rotary gear shafts (120) are connected with a rotary shaft column (130), a right support plate (140) is fixedly arranged at the right end of the rotary shaft column (130), a left support plate (150) is fixedly arranged at the left end of the rotary shaft column (130), the bottom of the auxiliary rotary gear shaft (120) is meshed with a driving gear shaft (210), a driving shaft (220) is connected with the right end of the driving gear shaft (210), a driving motor (200) is connected with the right end of the driving shaft (220), and the static electricity removing device (300) is arranged at the front end of the ball mill rotary drum (100), the utility model discloses a static electricity removing device, including static-removing device (300), the inboard end of static-removing device (300) is fixed and is equipped with metal net rack (330), the top electric connection of static-removing device (300) has high voltage power generator (320), the inside front end of static-removing device (300) is equipped with electrostatic blowing board (340), the front end of electrostatic blowing board (340) is seted up and is distributed and be had air outlet (350).

2. A dry ball mill according to claim 1, characterized in that: the ball mill rotary drum comprises a ball mill rotary drum (100), wherein a fixing rod (180) is fixedly arranged in the middle of the inside of the ball mill rotary drum (100), a stirring frame (181) and a cross rod (182) are welded and distributed at the outer end of the fixing rod (180), and grinding balls (183) are filled and distributed in the ball mill rotary drum (100).

3. A dry ball mill according to claim 1, characterized in that: the left end middle of the driving gear shaft (210) is connected with a connecting shaft (230), the left end of the connecting shaft (230) is rotatably connected with a bearing (250), and a fixing plate (240) is fixedly arranged at the left end of the bearing (250).

4. A dry ball mill according to claim 1, characterized in that: cushion blocks (260) are fixedly distributed at the bottom of the driving motor (200), and the cushion blocks (260) are made of EVA cushion block materials.

5. A dry ball mill according to claim 1, characterized in that: the front end of the ball mill revolving drum (100) is connected with a cover plate (160), the outer end of the cover plate (160) is fixedly welded with a fixing block, and a sealing ring is bonded on the periphery of the inner side of the cover plate (160).

6. A dry ball mill according to claim 1, characterized in that: the inner end of the rotating shaft column (130) is rotatably connected with a bearing, and the bearing is fixedly arranged in the middle of the outer end of the auxiliary rotating gear shaft (120).

7. Method for using a dry ball mill according to claims 1-6, characterized in that it comprises the following method steps:

s1, feed preparation: the sealing cover at the top of the charging and discharging material barrel (110) is opened, the material is put into the ball mill revolving drum (100), and the cover plate (160) can be opened to stop the machine at any time and feed the material into the ball mill revolving drum;

s2, starting mixing and grinding: starting a driving motor (200), controlling a driving shaft (220) to rotate, driving a driving gear shaft (210) to stably rotate, and further engaging an auxiliary rotating gear shaft (120) to rotate, so that materials in a ball mill revolving drum (100) are rotated and mixed with the materials;

s3, high-voltage static electricity removal: the high-voltage power supply generator (320) at the top of the static electricity removing device (300) is started, and the static electricity is uniformly blown and removed through a plurality of air outlets (350) of the static electricity blowing plates (340) inside the static electricity removing device (300), so that the static electricity generated by processing the inside of the ball mill rotating drum (100) is effectively eliminated, the safety factor is improved, and the metal net rack (330) is separated and blocked, and the leakage of materials is avoided.

8. The use method of a dry ball mill according to claim 7, characterized in that: in step S3, the length of the static discharge device (300) is smaller than the length of the ball mill bowl (100), and the width of the static discharge device (300) is smaller than the width of the ball mill bowl (100).