CN209798037U

CN209798037U - Feeding device for wet-process metallurgy industry field

Info

Publication number: CN209798037U
Application number: CN201920015582.9U
Authority: CN
Inventors: 杨跃文; 郭建军; 王志斌; 李世平; 张华�; 卢宇
Original assignee: Guizhou Environmental Protection Technology Co Ltd Of Htc
Current assignee: Guizhou Environmental Protection Technology Co Ltd Of Htc
Priority date: 2019-01-04
Filing date: 2019-01-04
Publication date: 2019-12-17
Anticipated expiration: 2029-01-04

Abstract

The utility model relates to a feeding device for hydrometallurgy industry field, including feeder hopper, to roll-type blanking machine and thick liquid hold up tank, the feeder hopper, to roll-type blanking machine and thick liquid hold up tank stack gradually according to top-down's order and link together, the thick liquid hold up tank bottom is provided with the export chute. Preferably, the double-roller blanking machine comprises a pair of pressing rollers A and B which rotate towards each other, and the pressing rollers A and B are respectively provided with mutually staggered roller teeth. Adopt the technical scheme of the utility model, through at least two pivoted compression rollers in opposite directions with the material grinding, through sending into tap water and mill thick liquid, make mill quality and speed improve greatly, compare prior art, improved feed rate, productivity and production efficiency greatly, simultaneously, feeding device simple structure, installation and preparation are convenient, the spare part preparation low cost that adopts, the energy consumption ground during the operation, the equipment volume is less, overhauls and maintains the convenience.

Description

Feeding device for wet-process metallurgy industry field

Technical Field

The utility model belongs to the technical field of the hydrometallurgy industry, especially, relate to a feeding device for hydrometallurgy industry field.

Background

In the field of hydrometallurgical industry, the existing feeding method generally adopts a ball mill to wet feed or adopts a Raymond mill to grind raw materials, then dry powder feeding is carried out on leaching equipment, the raw materials are ground and milled by the ball mill, then the raw materials flow into storage equipment along with added water or other solutions, and finally the raw materials are taken out from the storage equipment and are sent into equipment needing the raw materials. The conventional ball mill has the length of more than one meter and large appearance volume, and is additionally provided with devices for conveying grinding slurry and water, so that the whole feeding system has large volume and large occupied area. In addition, the diameter of a roller at the inlet of the existing ball mill is not large, the materials are sent into the ball mill more often and still manually, the labor intensity is high, the feeding speed is low, in addition, the total mass of the ball mill is more than 1 ton, the consumed power is high when the ball mill is started, the energy consumption is high, after long-term use, steel balls in the ball mill are easily corroded and worn, and the operation of overhauling or replacing the steel balls is very troublesome and the maintenance is very inconvenient because the ball mill is large in equipment size. If the powder is milled by adopting a Raymond mill, the problems of large dust in operation, deteriorated use and operation environment and the like exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a feeding device for hydrometallurgy industry field.

The utility model provides a feeding device for hydrometallurgy industry field, including feeder hopper, to roll-type blanking machine and thick liquid hold up tank, feeder hopper, to roll-type blanking machine and thick liquid hold up tank stack gradually according to top-down's order and link together, thick liquid hold up tank bottom is provided with the export chute.

and the bottom of the slurry storage tank is also provided with a bracket.

And a cleaning window or a cleaning door is arranged on the outer side surface of the feed hopper, and the cleaning window or the cleaning door is arranged close to the roll-type blanking machine.

The opposite-roller type blanking machine comprises a machine case, a press roller A, a press roller B, a gear A and a gear B, wherein the press roller A and the press roller B are coaxially connected with the gear A and the gear B in series through roll shafts respectively, the roll shafts are installed on the machine case through rolling bearings and enable the press roller A and the press roller B to be contained in the machine case, the gear A and the gear B are arranged outside the machine case, and the gear A and the gear B are meshed with each other to enable the press roller A and the press roller B to rotate oppositely to each other.

The roller shaft is characterized in that the peripheral surface of the compression roller A is provided with a roller tooth A, the peripheral surface of the compression roller B is provided with a roller tooth B, and the roller tooth A and the roller tooth B are arranged in a staggered mode on the axial projection of the roller shaft.

The double-roll type blanking machine further comprises a driving motor, the driving motor is installed on the outer wall of the machine case, and an output shaft of the driving motor is fixedly connected with one of the press rolls.

The number of the press rollers A and B and the number of the gears A and B are 1-4.

The feeding device further comprises a flushing pipe, one end of the flushing pipe is communicated with a tap water pipe, and the other end of the flushing pipe extends to the position above the feeding hopper.

The feeding device further comprises a spraying pipe, one end of the spraying pipe is communicated with the grinding slurry, and the other end of the spraying pipe extends to the position above the feeding hopper.

The slurry storage tank is made of metal or formed by pouring reinforced concrete in a mixed mode.

The beneficial effects of the utility model reside in that: adopt the technical scheme of the utility model, when sending into the material to within the feed inlet, the material gets into on the compression roller outer peripheral face, because two compression rollers rotate in opposite directions each other, produce corresponding squeezing action to the material, thereby make the material breakage levigate rapidly, fall into within the thick liquid hold up tank by the clearance between two compression rollers, and simultaneously, along with the system of grinding thick liquid of sending into by feeder hopper upper portion, the material fineness after the grinding that obtains is thinner, solid particle degree can reach more than 100 meshes usually, material system of grinding quality has been promoted greatly, and the material can be at gravity, within sharp to the thick liquid hold up tank rapidly under the effect of thick liquid impulsive force and rivers impulsive force, system of grinding efficiency has been improved greatly, compare the charging system who makes the ball mill among the prior art, its feed rate can improve more than 50%, productivity and production efficiency have been improved greatly. Furthermore, the utility model discloses simple structure, the preparation is convenient and low cost to even if use many pairs of compression rollers, also can only use a motor drive can, whole feeding device consumed power is less, and the volume is also less, and area is little, and feeding device maintains and overhauls also conveniently.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

Fig. 2 is a top view of the double-roll type blanking machine of the present invention.

In the figure: 1-feed hopper, 2-double-roller type blanking machine, 3-slurry storage tank, 31-outlet chute, 4-support, 5-cleaning window or cleaning door, 21-machine box, 22-press roller A, 23-press roller B, 24-gear A, 25-gear B, 26-roller shaft, 27-roller tooth A, 28-roller tooth B, 29-driving motor, 6-flushing pipe, 7-spraying pipe and 8-flange plate.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings, but the claimed protection scope is not limited to the above;

The utility model provides a feeding device for hydrometallurgy industry field, as shown in fig. 1, fig. 2, including feeder hopper 1, to roll-type blanking machine 2 and thick liquid hold up tank 3, feeder hopper 1, to roll-type blanking machine 2 and thick liquid hold up tank 3 range upon range of the connection together in proper order according to top-down, and thick liquid hold up tank 3 bottom is provided with export chute 31.

Adopt the technical scheme of the utility model, when sending into the material to within the feed inlet, the material gets into on the compression roller outer peripheral face, because two compression rollers rotate in opposite directions each other, produce corresponding squeezing action to the material, thereby make the material breakage levigate rapidly, fall into within the thick liquid hold up tank by the clearance between two compression rollers, and simultaneously, along with the system of grinding thick liquid of sending into by feeder hopper upper portion, the material fineness after the grinding that obtains is thinner, solid particle degree can reach more than 100 meshes usually, material system of grinding quality has been promoted greatly, and the material can be at gravity, within sharp to the thick liquid hold up tank rapidly under the effect of thick liquid impulsive force and rivers impulsive force, system of grinding efficiency has been improved greatly, compare the charging system who makes the ball mill among the prior art, its feed rate can improve more than 50%, productivity and production efficiency have been improved greatly. Furthermore, the utility model discloses simple structure, the preparation is convenient and low cost to even if use many pairs of compression rollers, also can only use a motor drive can, whole feeding device consumed power is less, and the volume is also less, and area is little, and feeding device maintains and overhauls also conveniently.

Further, the feeding hopper 1 is preferably in an inverted cone shape, the axial projection of the inverted cone shape is a trapezoid, and the included angle between the waist lines at two sides of the trapezoid is 100-150 degrees. The height of feeder hopper 1 is 1000 ~ 1500 mm. By adopting the technical scheme, the upper port of the feed hopper 1 is large, so that the feeding of materials is facilitated, and the material can be preferably fed into the feed hopper 1 by using a loader, an excavator or a belt conveyer.

Further, the wall thickness of the feeding hopper 1 is more than 8 mm. The bottom of the slurry storage tank 3 is also provided with a bracket 4. The support height of the bracket 4 is more than 800 mm. By adopting the technical scheme, the obtained ground slurry is placed on a higher terrain after being ground, and is convenient to flow into the required equipment using the material through the self gravity guide.

in addition, a cleaning window or a cleaning door 5 is provided on the outer surface of the hopper 1, and the cleaning window or the cleaning door 5 is provided at a position close to the counter roll type feeding machine 2. Further, the cleaning window or the cleaning door 5 is disposed at a distance of 100 to 200mm from the upper end of the counter roll type blanking machine 2. Through this clean window or clean door 5, can clean within 1 according to appropriate interval time to the feeder hopper, made things convenient for the maintenance operation to feeding device.

Further, the counter roller type blanking machine 2 includes a cabinet 21, a press roller a22, a press roller B23, a gear a24 and a gear B25, the press roller a22 and the press roller B23 are coaxially connected in series with the gear a24 and the gear B25 through roller shafts 26, respectively, the roller shafts 26 are mounted on the cabinet 21 through rolling bearings and enable the press roller a22 and the press roller B23 to be contained inside the cabinet 21, the gear a24 and the gear B25 are arranged outside the cabinet 21, the gear a24 and the gear B25 are meshed with each other, and the press roller a22 and the press roller B23 can rotate towards each other. In addition, the roller a22 is provided with a roller tooth a27 on the outer peripheral surface, the roller B23 is provided with a roller tooth B28 on the outer peripheral surface, and the roller tooth a27 and the roller tooth B28 are arranged in a staggered manner in the axial projection of the roller shaft 26. The double-roll type blanking machine 2 further comprises a driving motor 29, the driving motor 29 is installed on the outer wall of the machine box 21, and an output shaft of the driving motor 29 is fixedly connected with one of the pressing rolls. Further, the number of the platen roller a22 and the platen roller B23, and the gear a24 and the gear B25 is 1 to 4 pairs. Adopt the technical scheme of the utility model, no matter how many pairs are the quantity of compression roller A22 and compression roller B23, gear A24 and gear B25, still only need use a driving motor 29 drive can, and need not additionally increase the power of consumption, greatly reduced the energy consumption of equipment, in addition, when compression roller A22 and compression roller B23, gear A24 sets up to many pairs of with the quantity of gear B25, it is more exquisite to make the material grind, it is also higher to grind the quality.

Furthermore, the feeding device also comprises a flushing pipe 6, one end of the flushing pipe 6 is communicated with a tap water pipe, and the other end of the flushing pipe 6 extends to the upper part of the feed hopper 1. The feeding device further comprises a spraying pipe 7, one end of the spraying pipe 7 is communicated with the grinding slurry, and the other end of the spraying pipe 7 extends to the upper portion of the feeding hopper 1. Preferably the outside diameter of the tap water pipe is greater than 20 mm. The outer diameter of the spray pipe 7 is larger than 50 mm. The volume of the slurry storage tank 3 is more than 0.5 cubic meter. Adopt the technical scheme of the utility model, through sending into tap water and grinding thick liquid, can make the material on the one hand fall rapidly and send into required equipment through export chute 31 and use after grinding, on the other hand, the solid particle thing in the grinding thick liquid constantly collides with the material at this in-process, extrudees each other to the material after making the grinding is more fine and smooth, and the grinding quality is also higher.

Further, the slurry storage tank 3 is made of metal or formed by mixed casting of reinforced concrete. An anticorrosive coating is attached to the inner wall of the slurry storage tank 3. Adopt the technical scheme of the utility model, prevent rotten layer through attaching to set up at 3 inner walls of thick liquid hold up tank, can delay the material to the wearing and tearing of 3 inner walls of thick liquid hold up tank, prolong whole feeding device's life.

In addition, the feed hopper 1 is connected with the double-roll blanking machine 2 through a flange 8. By adopting the technical scheme, the feeding hopper 1 and the double-roll blanking machine 2 are convenient to install, the manufacturing cost of other parts in the feeding device is low, the equipment investment cost is reduced, the maintenance is also convenient, and the improvement of the economic benefit of enterprises is facilitated.

Use the utility model discloses a during feeding device, if driving motor rated power chooses to be 2kW, the feeder hopper adopt the panel beating metal material that 8mm is thick can from the shape processing, the feeder hopper sets up highly to be 1200mm, the washing pipe external diameter is 20mm, the shower external diameter is 50mm, the support height is 800mm, when the thick liquid hold up tank volume is 1 cubic meter, take shape through actual installation, its area is only 4 square meters, whole feeding device highly also only is 2300mm, compare the condition that uses the ball mill among the prior art, under the same condition, equipment outline volume and area significantly reduced.

In the process of actually using the feeding device, through actual measurement, when a loader is used for feeding materials to a feeding hopper, only 8 hours are needed when 100 tons of materials are fed, the actual feeding speed is 12.5 tons/hour, the granularity of the obtained slurry solids is 120 meshes, the feeding energy consumption is 0.16 kWh/ton, 2 operators are needed when the feeding device is operated, one operator is responsible for driving the loader, the other operator is responsible for feeding operation and transferring operation of the materials in a slurry storage tank, while when the ball mill is used for feeding in the prior art, 3 operators are generally needed, wherein 1 operator is responsible for carrying the materials to the front of the ball mill or feeding the materials to a hopper at the inlet of the ball mill by the loader, 1 operator is responsible for feeding the materials to the ball mill by an iron shovel, 1 operator is responsible for transferring the slurry into leaching equipment, the same feeding operation time of the 100 tons of materials is 16 hours, and the feeding speed is only 6.25 tons/hour, the granularity of the obtained slurry solid is 60-100 meshes, and the energy consumption for feeding is 1.6 kWh/ton. It is thus clear that compare prior art, the utility model discloses improved the quality of grinding greatly, production efficiency has reduced the production energy consumption, and has reduced the input of human cost.

Claims

1. The utility model provides a feeding device for hydrometallurgy industrial field which characterized in that: including feeder hopper (1), to roll-type blanking machine (2) and thick liquid hold up tank (3), feeder hopper (1), to roll-type blanking machine (2) and thick liquid hold up tank (3) stack gradually according to top-down's order and link together, thick liquid hold up tank (3) bottom is provided with export chute (31).

2. A charging device for the hydrometallurgical field of industry according to claim 1, characterized in that: and a support (4) is also arranged at the bottom of the slurry storage tank (3).

3. A charging device for the hydrometallurgical field of industry according to claim 1, characterized in that: the cleaning device is characterized in that a cleaning window or a cleaning door (5) is arranged on the outer side surface of the feed hopper (1), and the cleaning window or the cleaning door (5) is arranged close to the double-roll type blanking machine (2).

4. A charging device for the hydrometallurgical field of industry according to claim 1, characterized in that: the double-roller type blanking machine (2) comprises a machine case (21), a press roller A (22), a press roller B (23), a gear A (24) and a gear B (25), wherein the press roller A (22) and the press roller B (23) are coaxially connected with the gear A (24) and the gear B (25) in series through a roller shaft (26), the roller shaft (26) is installed on the machine case (21) through a rolling bearing, the press roller A (22) and the press roller B (23) are contained in the machine case (21), the gear A (24) and the gear B (25) are arranged outside the machine case (21), the gear A (24) is meshed with the gear B (25), and the press roller A (22) and the press roller B (23) can rotate oppositely to each other.

5. A charging device for the hydrometallurgical field of industry according to claim 4, characterized in that: the outer circumferential surface of the compression roller A (22) is provided with a roller tooth A (27), the outer circumferential surface of the compression roller B (23) is provided with a roller tooth B (28), and the roller tooth A (27) and the roller tooth B (28) are arranged in a staggered mode on the axial projection of the roller shaft (26).

6. A charging device for the hydrometallurgical field of industry according to claim 4, characterized in that: the double-roller type blanking machine (2) further comprises a driving motor (29), the driving motor (29) is installed on the outer wall of the machine box (21), and an output shaft of the driving motor (29) is fixedly connected with one of the pressing rollers.

7. A charging device for the hydrometallurgical field of industry according to claim 4, characterized in that: the number of the press rolls A (22) and B (23) and the number of the gears A (24) and B (25) are 1-4.

8. A charging device for the hydrometallurgical field of industry according to claim 1, characterized in that: the feeding device further comprises a flushing pipe (6), one end of the flushing pipe (6) is communicated with a tap water pipe, and the other end of the flushing pipe (6) extends to the position above the feeding hopper (1).

9. A charging device for the hydrometallurgical field of industry according to claim 1, characterized in that: the feeding device further comprises a spraying pipe (7), one end of the spraying pipe (7) is communicated with the grinding slurry, and the other end of the spraying pipe (7) extends to the position above the feeding hopper (1).

10. A charging device for the hydrometallurgical field of industry according to claim 1, characterized in that: the slurry storage tank (3) is made of metal or formed by mixing and pouring reinforced concrete.