CN217569006U - Ball mill preliminary election breaker - Google Patents
Ball mill preliminary election breaker Download PDFInfo
- Publication number
- CN217569006U CN217569006U CN202220870527.XU CN202220870527U CN217569006U CN 217569006 U CN217569006 U CN 217569006U CN 202220870527 U CN202220870527 U CN 202220870527U CN 217569006 U CN217569006 U CN 217569006U
- Authority
- CN
- China
- Prior art keywords
- belt
- ball mill
- waste stone
- waste
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model provides a ball mill preliminary election breaker, belongs to ball mill equipment technical field for improve the work efficiency of ball mill. The technical scheme is as follows: the head wheel of the oversize material belt conveyor is changed into a magnetic pulley, a waste stone belt is arranged below the oversize material belt conveyor, the waste stone belt is arranged in parallel with the large-inclination-angle belt, an ore parabola falling point of the magnetic pulley is opposite to the surface of the waste stone belt, the tail end of the waste stone belt is connected with a waste stone sub-bin, a roll crusher is arranged below the head wheel of the large-inclination-angle belt, and a discharge port of the roll crusher is opposite to a ball mill feeding trolley. The utility model discloses reform transform simply, construction convenience, small investment, can select to harder magnetic ore deposit and do not, avoid the barren rock to get into the ball mill to magnetic material to the large granule carries out the breakage, has reduced the material volume that gets into the ball mill, has reduced the load of ball mill greatly, has improved the work efficiency of ball mill, can create a thousand two hundred thousand yuan each year, has apparent economic benefits.
Description
Technical Field
The utility model relates to a preselection breaker before ball-milling that can improve ball mill work efficiency belongs to ball mill equipment technical field.
Background
Mineral separation is an important process of mine production, because the properties of ores of each mine are different, the mineral separation process of each mine is greatly different, in the mine with relatively soft ore hardness, the mineral separation process generally comprises two-stage continuous grinding, wherein the first stage is an autogenous grinding open circuit, the second stage is a ball milling closed circuit, the final grinding fineness is 70 percent of minus 200 meshes, and a continuous low-intensity magnetic separation process is adopted.
The first stage of the two-stage ore grinding process flow comprises the following steps: the aperture of a grid plate of the autogenous mill is 20mm, the ore discharge granularity is 0-20mm, the ore discharge material of the autogenous mill passes through a wet-type linear sieve, the sieve gap is 3mm long-strip holes, the oversize is 3-20mm, and the material passes through two belts, wherein the first belt is an oversize conveying belt, and the second belt is a large-inclination belt and is conveyed to a feeding trolley of the ball mill.
And (3) a second stage of the two-stage ore grinding process flow: the undersize directly gets into primary magnet separator and throws the tail, and the concentrate gets into swirler pump sump, throws into the swirler through the sediment stuff pump and carries out the classification, and the sand setting gets back to the ball mill and continues to grind, and the ball mill ore discharge end installation hank cage sieve, hank cage sieve seam are 5-6mm, and the material that is greater than 6mm discharges as the hard rock, arranges the waste rock collection belt to the inclined floor through the waste rock pipeline, and the material that is less than or equal to 6mm gets into swirler pump sump, forms closed cycle.
In the process flow, as the hardness of part of ores in raw ores is higher, and the hardness of large-grain-level materials in ore discharge materials discharged from a self-grinding machine is higher, the grains still have very large sizes after entering a ball mill for regrinding, and the large-grain-level materials can be discharged along with a ball mill winch screen, so that the sanitation quantity of an inclined terrace is large, the maintenance quantity of pipelines is large, part of discharged hard stones are magnetic substances, and the part of the discharged hard stones can still be discharged as hard stones if entering the flow, so that the working efficiency of the ball mill is greatly reduced, the production cost is increased, and the existing process flow is very necessary to carry out.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a ball mill preliminary election breaker is provided, this kind of preliminary election breaker can be selected the other to harder magnetic ore deposit, avoids the barren rock to get into the ball mill to magnetic material to the large granule carries out the breakage, reduces the material volume that gets into the ball mill, reduces the load of ball mill, improves the work efficiency of ball mill, and the totality reaches the purpose that improves fine powder output, reduce cost, incremental benefit.
The technical scheme for solving the technical problems is as follows:
the pre-selection crushing device for the ball mill comprises an oversize material conveying belt machine and a large-inclination-angle belt, wherein the large-inclination-angle belt is positioned below a head wheel of the oversize material conveying belt machine, and the pre-selection crushing device is characterized by further comprising a magnetic pulley, a waste stone belt and a pair of roller crushers, the head wheel of the oversize material conveying belt machine is changed into the magnetic pulley, the waste stone belt is arranged below the oversize material conveying belt machine and is arranged in parallel with the large-inclination-angle belt, an ore parabola falling point of the magnetic pulley is opposite to the surface of the waste stone belt, the tail end of the waste stone belt is connected with a waste stone sub-bin, the pair of roller crushers is arranged below the head wheel of the large-inclination-angle belt, and a discharge port of the pair of roller crushers is opposite to a ball mill feeding trolley.
Above-mentioned ball mill preliminary election breaker, the waste rock belt is three, first waste rock belt and big inclination belt parallel arrangement, and the second waste rock belt is in the below of first waste rock belt, and the third waste rock belt is in the below of second waste rock belt, and the end to end order of three waste rock belts meets, and the end of third waste rock belt is connected with the waste rock sub-storehouse.
According to the ball mill preselection crushing device, the oversize material conveying belt conveyor is provided with the iron remover.
The utility model has the advantages that:
the head wheel of the oversize material conveying belt conveyor of the utility model is replaced by the magnetic pulley, the waste stone belt is arranged below the oversize material conveying belt conveyor, when the material passes through the magnetic pulley, the thrown waste stone falls onto the waste stone belt and is conveyed to the waste stone sub-bin, and the material does not enter the ball mill any more; magnetic materials fall into a large-inclination-angle belt through a magnetic pulley, a double-roller crusher is arranged below a head pulley of the large-inclination-angle belt, and the materials with the thickness of 3-20mm are crushed into the materials with the thickness of 0-6mm, then the materials are conveyed to a feeding trolley of a ball mill and enter the ball mill for grinding; the iron remover is arranged on the oversize material belt conveyor and is used for sucking out iron in oversize materials.
The utility model discloses reform transform simply, construction convenience, small investment, increased magnetic pulley, barren rock belt, to roller crusher, de-ironing separator, can select other to harder magnetic ore, avoid barren rock to get into the ball mill to carry out the breakage to magnetic material, reduced the material volume that gets into the ball mill, reduced the load of ball mill greatly, showing the work efficiency who has improved the ball mill, the on-the-spot health volume also significantly reduces simultaneously, alleviates workman intensity of labour.
The utility model discloses can make the magnetic material overwhelmingly most get into the selection flow, finally select into the fine powder, calculate according to 200 ten thousand tons of raw ores handling capacity, can create effect one thousand two hundred thousand yuan each year, improve the fine powder output, the cost is reduced has produced very big social and apparent economic benefits.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a schematic view of a preselected portion of the present invention;
fig. 3 is a schematic structural view of the crushing part of the present invention.
The figures are labeled as follows: the device comprises an ore feeding belt conveyor 1, an autogenous mill 2, a linear sieve 3, an oversize material conveying belt conveyor 4, a large-inclination-angle belt conveyor 5, a ball mill 6, a waste stone sub-bin 7, a secondary magnetic separation ore feeding pump 8, a two-stage grading ore feeding pump 9, concentrate 10, tailings 11, a magnetic pulley 12, a first waste stone belt 13, a second waste stone belt 14, a third waste stone belt 15, a double-roller crusher 16, a ball mill feeding trolley 17 and an iron remover 18.
Detailed Description
Fig. 1 shows that the invention consists of a preselection section and a crushing section.
The preselecting part comprises a magnetic pulley 12, a first waste stone belt 13, a second waste stone belt 14 and a third waste stone belt 15, and is arranged on an output structure of an oversize material conveying belt machine 4 connected with the linear screen 3. The crushing section includes a pair roller crusher 16, and the pair roller crusher 16 is installed between the large-inclination belt conveyor 5 and the ball mill 6.
Fig. 1 shows, the utility model discloses there is de-ironing separator 18 in addition, and de-ironing separator 18 is installed on oversize thing belt conveyor 4, and de-ironing separator 18 can prevent to get into 16 damage rollers of roller crusher with the iron ware suction in the material on the oversize thing belt conveyor 4, plays the protection belt effect again simultaneously.
Fig. 2 shows that the head pulley of the oversize product conveyor belt 4 is changed into the magnetic pulley 12, three waste stone belts are arranged below the oversize product conveyor belt 4, the first waste stone belt 13 is arranged in parallel with the large-inclination-angle belt 5, the second waste stone belt 14 is arranged below the first waste stone belt 13, the third waste stone belt 15 is arranged below the second waste stone belt 14, the three waste stone belts are sequentially connected end to end, and the tail end of the third waste stone belt 15 is connected with the waste stone sub-bin 7.
Fig. 2 shows that the large-inclination belt 5 is positioned below the magnetic pulley 12, and the falling point of the ore parabola of the magnetic pulley 12 is opposite to the surface of the first waste rock belt 13. The magnetic material falls into the surface of the lower large-inclination-angle belt 5 through the magnetic pulley 12, and the non-magnetic waste stones are thrown forwards onto the first waste stone belt 13 through the magnetic pulley 12 and enter the waste stone sub-bin 7 through the second waste stone belt 14 and the third waste stone belt 15.
Fig. 3 shows that a double-roller crusher 16 is additionally arranged below the head pulley of the large-inclination-angle belt 5, a ball mill feeding trolley 17 is arranged below the double-roller crusher, and the double-roller crusher 16 crushes materials with the size of 3-20mm into materials with the size of 0-6mm, then the materials are conveyed to the ball mill feeding trolley 17 and enter the ball mill 6 for grinding.
The working process of the utility model is as follows:
mineral separation materials enter an autogenous mill 2 through an ore feeding belt conveyor 1, the mineral separation materials are output to a linear screen 3 from the autogenous mill 2 for screening, a two-stage grading ore feeding pump 9 for conveying concentrate of screened undersize materials, screened oversize materials fall onto an oversize material conveying belt conveyor 4, an iron remover 18 on the oversize material conveying belt conveyor 4 sucks out iron in the materials, and the output end of the oversize material conveying belt conveyor 4 sorts the oversize materials;
materials are conveyed forwards on the oversize material conveying belt machine 4, when the materials pass through a magnetic pulley 12 at the front end of the oversize material conveying belt machine 4, the magnetic materials fall onto the surface of a belt 5 with a large inclination angle below through the magnetic pulley 12, nonmagnetic waste stones are thrown forwards onto a first waste stone belt 13 through the magnetic pulley 12, and are conveyed to a waste stone sub-bin 7 through a second waste stone belt 14 and a third waste stone belt 15 without entering a ball mill 6;
the magnetic material falling on the surface of the large-inclination-angle belt conveyor 5 is conveyed into a double-roller crusher 16 by the large-inclination-angle belt conveyor 5, the double-roller crusher 16 crushes the material with the thickness of 3-20mm into the material with the thickness of 0-6mm and then falls into a ball mill feeding trolley 17, and the ball mill feeding trolley 17 sends the material into the ball mill 6 for grinding.
The material amount on the linear screen of the original mineral processing technology is about 15t/h, and the hard rock discharge amount of the ball mill 6 is about 7t/h. After the utility model is used, nonmagnetic materials in the materials on the screen of the linear screen 3 can be completely thrown out, the proportion is about 50%, the material quantity entering the ball mill 6 is reduced to 7t/h, the load of the ball mill 6 is greatly reduced, the thrown waste stones can be sold as building materials, and non-mineral creation benefits are realized; meanwhile, the magnetic material on the belt conveyor 5 with the large inclination angle enters the double-roll crusher 16 and is crushed into a material with the diameter less than or equal to 6mm, and then enters the ball mill 6, so that a large amount of stubborn stones are not discharged by a grinding cage sieve of the ball mill, the field sanitation quantity is greatly reduced, and the labor intensity of workers is reduced.
Adopt the utility model discloses the overwhelming majority of back magnetic material gets into selects the flow, finally selects into the refined powder, calculates according to 200 ten thousand tons of raw ore treatment capacity, can create one thousand two hundred thousand yuan each year, has apparent economic benefits.
The utility model discloses an embodiment as follows:
the model of the magnetic pulley 12 is 0808, and the field intensity is selected to be 400mT;
the model of the double-roll crusher 16 is 2 PG-610X 400, and the processing capacity is 13-35t/h;
the iron remover 18 is RCDY (C) -6.5 type, and the field intensity is 70mT.
Claims (3)
1. The utility model provides a ball mill preliminary election breaker, it includes oversize thing belt conveyor (4), big inclination belt (5), and big inclination belt (5) are located the head pulley below of oversize thing belt conveyor (4), its characterized in that: it is magnetic pulley (12) in addition, the waste stone belt, double roll crusher (16), the head pulley of oversize thing belt conveyor (4) changes into magnetic pulley (12), the waste stone belt is installed in the below of oversize thing belt conveyor (4), the waste stone belt is arranged with big inclination belt (5) parallel, the ore parabola dropping point of magnetic pulley (12) is relative with the surface of waste stone belt, the end of waste stone belt is connected with waste stone sub-bin (7), install the head pulley below of big inclination belt (5) to double roll crusher (16), the discharge gate of double roll crusher (16) is relative with feed dolly (17).
2. A ball mill preselected fragmentation device of claim 1, wherein: the waste stone belt is three, a first waste stone belt (13) and a large-inclination-angle belt (5) are arranged in parallel, a second waste stone belt (14) is arranged below the first waste stone belt (13), a third waste stone belt (15) is arranged below the second waste stone belt (14), the three waste stone belts are sequentially connected end to end, and the tail end of the third waste stone belt (15) is connected with a waste stone sub-bin (7).
3. A ball mill preselected fragmentation device of claim 1, wherein: and an iron remover (18) is arranged on the oversize material conveying belt conveyor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220870527.XU CN217569006U (en) | 2022-04-15 | 2022-04-15 | Ball mill preliminary election breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220870527.XU CN217569006U (en) | 2022-04-15 | 2022-04-15 | Ball mill preliminary election breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217569006U true CN217569006U (en) | 2022-10-14 |
Family
ID=83543848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220870527.XU Active CN217569006U (en) | 2022-04-15 | 2022-04-15 | Ball mill preliminary election breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217569006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780031A (en) * | 2023-02-06 | 2023-03-14 | 山东埃尔派粉体科技有限公司 | Processing method of petroleum coke micro powder for lithium battery negative electrode material |
-
2022
- 2022-04-15 CN CN202220870527.XU patent/CN217569006U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115780031A (en) * | 2023-02-06 | 2023-03-14 | 山东埃尔派粉体科技有限公司 | Processing method of petroleum coke micro powder for lithium battery negative electrode material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101502819B (en) | Pre-selection method of low-ore grade magnetic iron ore | |
| CN104888960B (en) | The magnetic of the red composite ore of fine grain teeth cloth magnetic floats sorting process | |
| CN104815739B (en) | Magnetite dry grinding and dry separation method and device | |
| CN101579654A (en) | Iron ore powder mineral dressing process | |
| CN102205273A (en) | Beneficiation process of low-grade magnetite and specularite mixed ore | |
| CN105880003B (en) | A kind of magnetic iron ore is without screening high pressure roller mill dry type magnetic separation method | |
| CN105413842A (en) | Mineral separation process and system for ultra-lean magnetite ore | |
| WO2016127869A1 (en) | Ore sorting system | |
| CN109550566B (en) | Ore grinding process capable of reducing ore grinding energy consumption and reducing over-crushing | |
| CN109847907B (en) | Self-grinding semi-closed screening high-pressure roller grinding preselection process | |
| CN102189038A (en) | Preliminary separation process for ferromagnetic ore separation | |
| CN102814227A (en) | Floating selection method of nonferrous metal mineral powder | |
| CN110586315A (en) | Full-dry type iron ore sorting method | |
| CN104815736A (en) | Preselecting process for surrounding rock containing magnetite | |
| WO2016127870A1 (en) | Ore sorting system | |
| CN217569006U (en) | Ball mill preliminary election breaker | |
| CN108144740B (en) | High-pressure roller grinding superfine coarse grain tailing discarding method applied to ludwigite | |
| CN112337640A (en) | Simple-process magnetite beneficiation process and system | |
| WO2016127864A1 (en) | Ore grinding system | |
| CN109590109A (en) | Compound poor iron ore pre-selection technique | |
| CN102872944A (en) | Closed loop balance wheel pulse sand making machine and sand making method | |
| CN202876893U (en) | Closed-loop balance wheel pulse sand making machine | |
| CN219187219U (en) | Separation of stubborn stones and steel ball of semi-autogenous mill and stubborn stone crushing system | |
| CN109909057B (en) | Ore dressing process for magnetic-gravity combined upgrading and tailing lowering of open-air lava iron ore | |
| WO2016127899A1 (en) | Ore dressing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |