CN201008795Y

CN201008795Y - Stirring type ball mill

Info

Publication number: CN201008795Y
Application number: CNU2007200189589U
Authority: CN
Inventors: 李治刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-02-13
Filing date: 2007-02-13
Publication date: 2008-01-23
Anticipated expiration: 2017-02-13

Abstract

An agitator ball mill comprises a cylinder body and a hollow shaft head; the top of the cylinder body is provided with an inlet assembly; the bottom of the cylinder body is provided with a mud outlet assembly; two ends of the cylinder body are welded with end enclosures; the center of the end enclosure is welded with the hollow shaft head; an inner end of the hollow shaft head is welded on the middle of a big disk; an outer circle surface is welded with the end enclosure; an outer end of the hollow shaft head is fixed on a bearing support; an inner hole of the hollow shaft head is communicated with an inner chamber of the cylinder body. The utility model has the main technical characteristics that the cylinder body is provided with a muddler which is fixed on a head face of the hollow shaft head; the muddler comprises an eccentric disk and a fixed shaft; the eccentric disks are staggered in an even rank. A drive part adopts a hydraulic pump which is driven by main and auxiliary motors to drive a hydraulic motor. The utility model has high filling rate and small energy consumption; the utility model can produce continuously, adjust rotational speed and can not produce an immovable layer in a working process. Compared with a traditional batch ball mill, the utility model can save twenty to thirty percents electricity and improve twenty percents utilization factor. Compared with a traditional continuous ball mill, the utility model can save thirty to forty percents electricity.

Description

Stirring ball mill

Technical field

The utility model belongs to a kind of fine grinding equipment of powder deep processing, is specifically related to a kind of stirring ball mill.

Background technology

Among present industrial mineral and other raw material fine grinding deep process technology fields, ball mill is a common visual plant, it is widely used in the grinding process of the common fineness of industries such as pottery, mine, metallurgy, chemical industry, building and electric power, and can common structure by continuous operation being divided into: intermittent ball mill and continous way ball mill.

The structure of traditional intermittent ball mill (as Fig. 5, Fig. 6), mainly comprise cylindrical shell 7 and transmission device, end socket 9, solid spindle nose 36 and big disk 8 weld together, and end socket 9 is welded on the two ends of cylindrical shell 7, solid spindle nose 36 is installed on the bearing block 5, and bearing block 5 is fixed on the supporting seat 22; Transmission device mainly comprises main motor 33 and stand-by motor 30, and main motor 33 and stand-by motor 30 drive cylindrical shell 7 rotations by belt transmission respectively.Stand-by motor 30 changes several circles at a slow speed when being used for ground and intermittent ball mill started working raw material, ballstone, water is stirred, when main motor 33 is worked, stand-by motor 30 quits work, generally all pressing maximum current I when main motor current is determined in design calculates, stand-by motor power is generally got 1/10th of main motor current, and the total installed capacity power of traditional intermittent ball mill is pressed 1.1I and calculated.When but traditional intermittent ball mill is started working, the electric current height of work drive motor, work a period of time electric current progressively reduces (as Fig. 8), causes great electric energy waste like this.Though traditional intermittent ball mill filling rate is higher, the eccentric throw of center of gravity is little during rotation, and power consumption is lower, can not produce continuously, and the operation program is complicated, needs the operator many, and reinforced, discharging all will be shut down inefficiency.

The structure (as Fig. 7) of traditional continous way ball mill is with the difference of the structure of traditional intermittent ball mill: the centre of spindle nose is a through hole, the feeding mouth 38 of formation level and discharging opening 39, when the slurry face in the ball mill surpasses the discharging opening lower edge, promptly discharge outside the ball mill, therefore filling rate is no more than 40%, and the eccentric throw of center of gravity is big during rotation, and current of electric is about 1.5 times (as Fig. 9) of the intermittent ball mill operating current of same specification during work, power consumption is very big, and efficient is low.

Traditional intermittent ball mill and continous way ball mill are in operation process, be subjected to action of centrifugal force, abrasive body movement velocity near the cylindrical shell barrel is fast, the grinding efficiency height, abrasive body movement velocity near the cylindrical shell center is slow, and grinding efficiency is low, forms motionless layer, traditional ball mill can not be eliminated this motionless layer, makes the ball mill inefficiency.

The utility model content

Technical problem to be solved in the utility model is in order to overcome above-mentioned defective, provide a kind of filling rate height, energy consumption little, can produce continuously and stirring ball mill that rotating speed is adjustable.

In order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is: stirring ball mill, comprise cylindrical shell and hollow shaft head, the cylindrical shell top is provided with the population assembly, the bottom is provided with the mud mouth assembly, the two ends welding end socket of cylindrical shell, centre welded hollow spindle nose in the end socket, the inner of hollow shaft head is welded on the big disk middle part, the outer circumference surface welding end socket of big disk, and the hollow shaft head outer end is fixed on the bearing block, bearing block is fixed on the supporting seat, the endoporus of hollow shaft head communicates with cylinder lumen, and the hollow shaft head at cylindrical shell two ends connects feed pipe and discharge nozzle respectively, it is characterized in that: be provided with stirring rod in the cylindrical shell, stirring rod is fixed on the end face of hollow shaft head, stirring rod comprises eccentric disc and fixed axis, connect by fixed axis between the eccentric disc, and it is evenly distributed to stagger.

Eccentric disc is made by high-abrasive materials such as pottery or polyurethane, and stirring rod can be eliminated the motionless layer near the abrasive media formation at cylindrical shell center, makes more abrasive media vigorous exercise, improves ball mill grinding efficient.

The utility model can be provided with baffle plate with holes in hollow shaft head the inner.Baffle plate with holes makes things convenient for slurry to pass through, and but can block ballstone and pass through.

The endoporus of the hollow shaft head at cylindrical shell two ends connects feed pipe and discharge nozzle respectively, is respectively equipped with choke valve on feed pipe and the discharge nozzle, and the feed pipe upper end connects agitator tank, and the feed pipe at close agitator tank place is provided with ball valve.Regulate choke valve and ball valve and can regulate flow,, reach the purpose of control powder sphere diameter by regulating the milling time of flow-control raw material in ball mill.

Feed pipe comprises horizontal tube and VERTICAL TUBE, be connected by the connector that is fixed on the supporting seat between horizontal tube and the VERTICAL TUBE, horizontal tube is connected with the side of connector by seal, and VERTICAL TUBE is connected the upper end of connector, ball valve is arranged on the VERTICAL TUBE, and choke valve is arranged on the horizontal tube.If seal damages, can prevent that slurry from flowing out by closing choke valve.

Discharge nozzle can connect inverted U-shaped level control display tube, and the level control display tube connects vibratory sieve.The level control display tube can be controlled liquid level, by regulating the two ends choke valve, also can control liquid level, makes filling rate reach 85%-90%, and the eccentric throw of center of gravity is little during rotation, and power consumption is lower.Be connected by the connector that is fixed on the supporting seat between discharge nozzle and the inverted U-shaped level control display tube, discharge nozzle is connected with the side of connector by seal, and inverted U-shaped level control display tube is connected the upper end of connector.

The utility model cylindrical shell outer circumference surface connects power transmission shaft by belt, and power transmission shaft connects hydraulic motor, and hydraulic motor connects major-minor motor-driven hydraulic pump respectively by oil pipe.

Main motor and stand-by motor drive a hydraulic pump respectively, and the hydraulic oil that all hydraulic pump is produced is parallel to process oil pipe driving hydraulic motor together by the valve integrated package, and hydraulic motor drives the power transmission shaft rotation, turns round by the belt drives cylindrical shell.The rotating speed of cylindrical shell can be according to different change of use combination of motor.

Many series connection of stirring ball mill of the present utility model are used and be can be used for high fineness grinding.

Before the utility model stirring ball mill is started working, by the population assembly ballstone of packing into, raw material and water are packed in the agitator tank in proportion, after stirring, open ball valve and choke valve, raw material and water flow in the cylindrical shell by feed pipe, reach when setting liquid level, close ball valve and choke valve, start main and auxiliary motor simultaneously, the cylindrical shell running.After work a period of time, after operating current is lower than 0.8I, stop stand-by motor, only stay main machine operation, when raw material reaches the requirement fineness by the time, stop main motor, open the choke valve on the discharge nozzle, the choke valve on the feed pipe successively.Start main motor once more, slowly open ball valve, the slurry that meets fineness requirement flows into vibratory sieve by discharge nozzle and level control display tube, and after sieving, certified products enter subsequent processing, and defective work is carried back in the agitator tank by slush pump.

Compared with prior art the beneficial effect that the utility model had is: stirring ball mill filling rate height of the present utility model, energy consumption be little, can produce continuously, rotating speed is adjustable and the course of work in can not produce motionless layer.The utility model stirring ball mill and traditional batch formula ball mill compare: the 20%-30% that can economize on electricity, can produce continuously, and utilization rate of equipment and installations improves 20%.The utility model stirring ball mill and traditional continous way ball mill compare: 30%-40% can economize on electricity.

Description of drawings

Fig. 1 is the front view of the utility model stirring ball mill;

Fig. 2 is the vertical view of the utility model stirring ball mill;

Fig. 3 is the left view of the stirring rod of the utility model stirring ball mill;

Fig. 4 is the hollow shaft head of the utility model stirring ball mill and the structural representation of stirring rod;

Fig. 5 is the front view of traditional batch formula ball mill;

Fig. 6 is the vertical view of traditional batch formula ball mill;

Fig. 7 is the front view of traditional continous way ball mill;

Fig. 8 is the operating current of traditional batch formula ball mill and the graph of a relation of working time;

Fig. 9 is the operating current of traditional continous way ball mill and the graph of a relation of working time;

Figure 10 is the operating current of the utility model stirring ball mill and the graph of a relation of working time.

Among the figure: 1 agitator tank, 2 ball valves, 3 connectors, 4 choke valves, 5 bearing blocks, 6 population assemblies, 7 cylindrical shells, 8 big disks, 9 end sockets, 10 hollow shaft heads, 11 connectors, 12 level control display tubes, 13 vibratory sieves, 14 choke valves, 15 discharge nozzles, 16 endoporus, 17 baffle plates, 18 eccentric discs, 19 fixed axis, 20 mud mouth assemblies, 21 stirring rod, 22 supporting seats, 23 feed pipes, 24 belts, 25 vee-pulley devices, 26 hydraulic motors 27,28 oil pipes, 29 Hydraulic Stations, 30 stand-by motors, 31 hydraulic pumps, 32 valve integrated packages, 33 main motor 34 hydraulic pumps 35 baffle holes 36 solid spindle nose 37 abrasive medias 38 feeding mouths 39 discharging openings

The specific embodiment

The utility model stirring ball mill mainly comprises cylindrical shell and transmission two large divisions.

As Fig. 1,3, shown in 4: shell portion comprises cylindrical shell 7, population assembly 6 and mud mouth assembly 20, population assembly 6 is positioned at the top of cylindrical shell 7, mud mouth assembly 20 is positioned at the bottom of cylindrical shell 7, the two ends welding end socket 9 of cylindrical shell, centre welded hollow spindle nose 10 in the end socket 9, the inner of hollow shaft head 10 is welded on big disk 8 middle parts, the outer circumference surface welding end socket 9 of big disk 8, hollow shaft head 10 outer ends are fixed on the bearing block 5, bearing block 5 is fixed on the supporting seat 22, the endoporus 16 of hollow shaft head 10 communicates with cylindrical shell 7 inner chambers, be provided with stirring rod 21 in the cylindrical shell 7, stirring rod 21 is fixed on the end face of hollow shaft head 10, stirring rod 21 comprises eccentric disc 18 and fixed axis 19, connect by fixed axis 19 between the eccentric disc 18, and it is evenly distributed to stagger, hollow shaft head 10 the inners are provided with baffle plate 17 with holes, the endoporus 16 of hollow shaft head 10 connects feed pipe 23 and discharge nozzle 15 respectively, feed pipe 23 comprises horizontal tube and VERTICAL TUBE, be connected by the connector 3 that is fixed on the supporting seat 22 between horizontal tube and the VERTICAL TUBE, horizontal tube is connected by the side of seal with connector 3, VERTICAL TUBE is connected the upper end of connector 3, ball valve 2 is arranged on the VERTICAL TUBE, the VERTICAL TUBE top connects agitator tank 1, choke valve 4 is arranged on the horizontal tube, if seal damages, can prevent that slurry from flowing out by closing choke valve 4.Be connected by the connector 11 that is fixed on the supporting seat 22 between discharge nozzle 15 and the inverted U-shaped level control display tube 12, discharge nozzle 15 is connected by the side of seal with connector 11, inverted U-shaped level control display tube 12 is connected the upper end of connector 11, and the other end of level control display tube 12 connects vibratory sieve 13.Abrasive media 37 is equipped with in cylindrical shell 7 inside.

Eccentric disc 18 is made by high-abrasive materials such as pottery or polyurethane, and stirring rod 21 can be eliminated the motionless layer that the abrasive media near the cylindrical shell center forms, and makes more abrasive media vigorous exercise, improves ball mill grinding efficient.

Baffle plate 17 with holes makes things convenient for slurry to pass through, and but can block ballstone and pass through; Regulate choke valve 4 and ball valve 2 and can regulate flow,, reach the purpose of control powder sphere diameter by regulating the milling time of flow-control raw material in ball mill; Level control display tube 12 can be controlled liquid level, by regulating two ends choke valve 4, choke valve 14, also can control liquid level, makes filling rate reach 85%-90%, and the eccentric throw of center of gravity is little during rotation, and power consumption is lower.

As shown in Figure 2, running part comprises a Hydraulic Station 29, vee-pulley device 25 and belt (powerful V-belt) 24.Main motor 33 and stand-by motor 30 are arranged on the Hydraulic Station 29, main motor 33 drives a hydraulic pump 34, stand-by motor 30 drives a hydraulic pump 31, the hydraulic oil that all hydraulic pump is produced is parallel to together by valve integrated package 32 and drives the hydraulic motor 26 that is contained on the vee-pulley device 25 through oil pipe 27, oil pipe 28, and vee-pulley device 25 drives cylindrical shells 7 runnings by powerful V-belt 24.During type selecting, determine to calculate total power of motor, press the 0.8I electric current and determine to calculate main motor current, press the 0.2I electric current and determine to calculate stand-by motor power by the actual electric current I of starting working.According to the power of main motor 33, the power of stand-by motor 30 is selected the model of hydraulic pump 34,31 respectively, determines the model of hydraulic motor 26 again in conjunction with drum speed.The rotating speed of cylindrical shell 7 can be according to different change of use combination of motor.

Before the utility model stirring ball mill is started working, by population assembly 6 ballstone of packing into.Raw material and water are packed in the agitator tank 1 in proportion, after stirring, open ball valve 2 and choke valve 4, and raw material and water flow in the cylindrical shells 7 by feed pipe 23, reach when setting liquid level, close ball valve 2, choke valve 4, choke valve 14.Start main and auxiliary motor simultaneously, cylindrical shell 7 runnings after work a period of time, after operating current is lower than 0.8I, stop stand-by motor 30, only stay main motor 33 work.When raw material reaches the requirement fineness by the time, stop main motor 33, open choke valve 14, choke valve 4 successively.Start main motor 33 once more, slowly open ball valve 2, the slurry that meets fineness requirement flows into vibratory sieve 13 by discharge nozzle 15, level control display tube 12, and after sieving, certified products enter subsequent processing, and defective work is carried back in the agitator tank 1 by slush pump.

Claims

1. stirring ball mill, comprise cylindrical shell (7) and hollow shaft head (10), the cylindrical shell top is provided with population assembly (6), the bottom is provided with mud mouth assembly (20), the two ends welding end socket (9) of cylindrical shell, end socket (9) interior centre welded hollow spindle nose (10), the inner of hollow shaft head (10) is welded on big disk (8) middle part, the outer circumference surface welding end socket (9) of big disk (8), hollow shaft head (10) outer end is fixed on the bearing block (5), bearing block (5) is fixed on the supporting seat (22), the endoporus of hollow shaft head communicates with cylinder lumen, the hollow shaft head at cylindrical shell two ends connects feed pipe (23) and discharge nozzle (15) respectively, it is characterized in that: cylindrical shell is provided with stirring rod in (7), and stirring rod is fixed on the end face of hollow shaft head, and stirring rod comprises eccentric disc (18) and fixed axis (19), connect by fixed axis (19) between the eccentric disc (18), and it is evenly distributed to stagger.

2. stirring ball mill according to claim 1 is characterized in that being provided with baffle plate with holes (17) in described hollow shaft head the inner.

3. stirring ball mill according to claim 1 is characterized in that being respectively equipped with choke valve on described feed pipe (23) and the discharge nozzle (15), and the feed pipe upper end connects agitator tank (1), and the feed pipe at close agitator tank place is provided with ball valve (2).

4. stirring ball mill according to claim 3, it is characterized in that feed pipe (23) comprises horizontal tube and VERTICAL TUBE, be connected by the connector (3) that is fixed on the supporting seat (22) between horizontal tube and the VERTICAL TUBE, horizontal tube is connected by the side of seal with connector (3), VERTICAL TUBE is connected the upper end of connector (3), ball valve (2) is arranged on the VERTICAL TUBE, and choke valve (4) is arranged on the horizontal tube.

5. stirring ball mill according to claim 3 is characterized in that discharge nozzle (15) connects inverted U-shaped level control display tube (12), and level control display tube (12) connects vibratory sieve (13).

6. stirring ball mill according to claim 1, it is characterized in that cylindrical shell (7) outer circumference surface connects power transmission shaft by belt (24), power transmission shaft connects hydraulic motor (26), and hydraulic motor (26) connects the hydraulic pump (34) of main motor (33) driving and the hydraulic pump (31) that stand-by motor (30) drives respectively by oil pipe (28), oil pipe (27).