CN210411073U - High-efficient ore crushing system - Google Patents
High-efficient ore crushing system Download PDFInfo
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- CN210411073U CN210411073U CN201921025088.7U CN201921025088U CN210411073U CN 210411073 U CN210411073 U CN 210411073U CN 201921025088 U CN201921025088 U CN 201921025088U CN 210411073 U CN210411073 U CN 210411073U
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- 238000000227 grinding Methods 0.000 claims abstract description 52
- 239000002002 slurry Substances 0.000 claims description 30
- 238000005188 flotation Methods 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 4
- 206010024796 Logorrhoea Diseases 0.000 abstract description 11
- 239000013049 sediment Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 4
- 239000000047 product Substances 0.000 description 22
- 241000196324 Embryophyta Species 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 238000000498 ball milling Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 240000005561 Musa balbisiana Species 0.000 description 1
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- WUUZKBJEUBFVMV-UHFFFAOYSA-N copper molybdenum Chemical compound [Cu].[Mo] WUUZKBJEUBFVMV-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- Crushing And Grinding (AREA)
- Disintegrating Or Milling (AREA)
Abstract
A high-efficiency ore crushing and grinding system belongs to the field of ore crushing and grinding. The utility model discloses the entry of garrulous breaker in the second is connected through the conveyer belt in the export on the sieve of first shale shaker, the export of second gyratory crusher passes through the entry of conveyer belt connection garrulous breaker in the second, the entry of conveyer belt connection second shale shaker is passed through in the export of garrulous breaker in the second, the entry of the fine broken crusher of second is connected through the conveyer belt in the export on the sieve of second shale shaker, the entry of conveyer belt connection second ball mill is passed through in the export under the sieve of second shale shaker, the entry of second sediment thick liquid pond is connected through the conveyer belt in the export of second ball mill, the entry of pipe connection second sediment thick liquid pump is passed through in the export of second sediment thick liquid pump, the entry of pipe connection second hydrocyclone is passed through in the export of second sediment thick liquid pump, the entry of pipe connection second ball mill is passed through in the export of bottom of second hydrocyclone. The utility model discloses can reduce garrulous mill system energy consumption by a wide margin, improve follow-up mill productivity.
Description
Technical Field
The utility model belongs to the field of ore crushing and grinding; in particular to a high-efficiency ore crushing and grinding system.
Background
Crushing and grinding are important links in the processing process of raw materials, and in the nonferrous metal industry, the investment of the crushing and grinding part accounts for more than 50 percent of the total concentration plant, and the cost accounts for 50 to 70 percent of the total cost of the concentration plant. The energy consumed by adopting a crushing mode to reach a certain granularity is less than the energy consumed by adopting an ore grinding mode to reach the same granularity, so in a crushing and grinding system, the granularity of crushed ore products is reduced as much as possible, the production capacity of an ore grinding machine is improved, the energy consumption of the crushing and grinding system is reduced, and the self-grinding or semi-self-grinding is performed by means of the characteristics of materials so as to reduce the consumption of ore grinding media such as steel balls. According to the properties such as ore hardness and the like and the production scale, the traditional three-section one-closed-circuit crushing-ball milling, coarse crushing-semi-autogenous milling-ball milling, coarse crushing-semi-autogenous milling-crushing-ball milling and other crushing and grinding processes can exert respective advantages and can achieve the design purpose and the requirements. However, when the grinding process is stopped and overhauled, the whole production system must be stopped and stopped, and then if the production scale is upgraded and modified, the original crushing equipment cannot play the role or is directly abandoned, and the two existing crushing systems of a general selected plant are parallel and independently operated, so that the synergistic effect cannot be played.
Disclosure of Invention
The utility model aims at providing a high-efficient ore crushing system.
The utility model discloses a following technical scheme realizes:
a high-efficient ore crushing system, a high-efficient ore crushing system include first raw ore storehouse, second raw ore storehouse, first raw ore storehouse pass through the entry of conveyer belt connection first gyratory crusher, the export of first gyratory crusher pass through the entry of conveyer belt connection first half autogenous mill, the export of first half autogenous mill pass through the entry of conveyer belt connection first shale shaker, the oversize export of first shale shaker pass through the entry of conveyer belt connection second middlings crusher, the undersize export of first shale shaker pass through the entry of conveyer belt connection first slurry pond, the export of first slurry pond pass through the entry of pipe connection first slurry pump, the export of first slurry pump pass through the entry of pipe connection first hydrocyclone, the bottom export of first hydrocyclone pass through the entry of pipe connection first ball mill, the outlet of the first ball mill is connected with the inlet of the first slurry pool through a pipeline; the second raw ore bin is connected with the inlet of a second gyratory crusher through a conveyer belt, the outlet of the second gyratory crusher is connected with the inlet of a second middle crusher through a conveyer belt, the outlet of the second middle crusher is connected with the inlet of the second vibrating screen through a conveyer belt, the outlet on the screen of the second vibrating screen is connected with the inlet of the second fine crusher through a conveyer belt, the undersize outlet of the second vibrating screen is connected with the inlet of the second ball mill through a conveyer belt, the outlet of the second ball mill is connected with the inlet of the second slurry pool through a conveyer belt, the outlet of the second slurry pool is connected with the inlet of a second slurry pump through a pipeline, the outlet of the second slurry pump is connected with the inlet of a second hydrocyclone through a pipeline, and the bottom outlet of the second hydrocyclone is connected with the inlet of the second ball mill through a pipeline.
A high-efficient ore grinding system, first hydrocyclone's top be from outlet connection flotation system, second hydrocyclone's top be from outlet connection flotation system.
A high-efficient ore crushing system, the screen cloth aperture of first shale shaker be 12 mm.
A high-efficient ore crushing system, the screen cloth aperture of second shale shaker be 12 mm.
A high-efficient ore crushing system, first shale shaker be linear vibrating screen.
A high-efficient ore crushing system, the second in garrulous breaker be the cone crusher.
A high-efficient ore crushing and grinding system, the model of first gyratory crusher, second gyratory crusher is 62-75.
A high-efficient ore grinding system, the specification of first half autogenous mill is phi 11.0m 5.4 m.
A high-efficient ore crushing and grinding system, the model of first shale shaker is 2ZXF 3675.
A high-efficient ore crushing system, the model of first sediment stuff pump, second sediment stuff pump is 600 MCR.
A high-efficient ore grinding system, the specification of first swirler be phi 840.
A high-efficient ore crushing and grinding system, the specification of first ball mill is MQY phi 7.9m 13.6 m.
A high-efficient ore crushing system, the model of garrulous breaker, the second fine crushing breaker in the second is HP800 cone crusher.
A high-efficient ore crushing system, the model of second shale shaker is TTHM8202 banana type straight line shale shaker and 2YKR3675 circular shale shaker.
The utility model has the advantages that:
a high-efficient ore crushing system, supplement each other and the crushing system of mutual independence, can reduce crushing system energy consumption by a wide margin, improved follow-up mill productivity, increase equipment utilization, make things convenient for production management, solved traditional ore dressing production technology and stopped examining and equals the technological problem of stopping production, have great reference meaning to the extension of domestic ore dressing plant is reformed transform.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The first embodiment is as follows:
a high-efficiency ore crushing and grinding system comprises a first raw ore bin 1 and a second raw ore bin 9, wherein the first raw ore bin is connected with an inlet of a first gyratory crusher 2 through a conveying belt, an outlet of the first gyratory crusher is connected with an inlet of a first half autogenous mill 3 through a conveying belt, an outlet of the first half autogenous mill is connected with an inlet of a first vibrating screen 5 through a conveying belt, an oversize outlet of the first vibrating screen is connected with an inlet of a second middle crushing crusher 11 through a conveying belt, an undersize outlet of the first vibrating screen is connected with an inlet of a first slurry pool 6 through a conveying belt, an outlet of the first slurry pool is connected with an inlet of a first slurry pump 7 through a pipeline, an outlet of the first slurry pump is connected with an inlet of a first hydrocyclone 8 through a pipeline, a bottom outlet of the first hydrocyclone is connected with an inlet of a first ball mill 4 through a pipeline, the outlet of the first ball mill is connected with the inlet of the first slurry pool 6 through a pipeline; the second raw ore bin is connected with the inlet of a second gyratory crusher 10 through a conveying belt, the outlet of the second gyratory crusher is connected with the inlet of a second middle crusher 11 through a conveying belt, the outlet of the second intermediate crusher is connected with the inlet of the second vibrating screen 13 through a conveyer belt, the oversize outlet of the second vibrating screen is connected with the inlet of the second fine crusher 12 through a conveyer belt, the undersize outlet of the second vibrating screen is connected with the inlet of the second ball mill 14 through a conveyer belt, the outlet of the second ball mill is connected with the inlet of a second slurry pool 15 through a conveyer belt, the outlet of the second slurry pool is connected with the inlet of a second slurry pump 16 through a pipeline, the outlet of the second slurry pump is connected with the inlet of a second hydrocyclone 17 through a pipeline, and the outlet at the bottom of the second hydrocyclone is connected with the inlet of a second ball mill through a pipeline.
The second embodiment is as follows:
according to the embodiment I, the top gravity outlet of the first hydrocyclone is connected with the flotation system, and the top gravity outlet of the second hydrocyclone 17 is connected with the flotation system.
The third concrete implementation mode:
according to a specific embodiment, the first vibrating screen has a screen mesh size of 12 mm.
The fourth concrete implementation mode:
according to the first embodiment, the second vibrating screen 13 has a screen mesh size of 12 mm.
The fifth concrete implementation mode:
according to a specific embodiment, the high-efficiency ore crushing and grinding system has the following working principle: the ore stripped from the mining plant is transported to a 1# coarse crushing workshop of the ore dressing plant through a dump truck, a first raw ore bin is crushed to-250 mm by a first gyratory crusher and then is conveyed to a first half autogenous mill for ore grinding through a belt conveyor, ore discharge of the mill is subjected to linear vibration screening through a first vibrating screen, the stubborn stones on the screen are conveyed to a second middle crushing crusher through the belt conveyor, and the pulp under the screen automatically flows into a first pulp tank. The pulp in the first pulp tank is graded through a first hydrocyclone, the graded underflow enters a first ball mill for grinding, the mill discharges ore and enters a first pulp tank to form closed circulation of grinding, and the graded overflow automatically flows into flotation operation; the ore that the ore mining factory peeled off is transported to the 2# coarse crushing workshop of ore dressing factory through the tipper, second raw ore storehouse is broken to-250 mm through the second gyratory crusher after, through belt conveyor to the second in garrulous breaker, unload to the belt conveyor through vibrating feeder after the coarse crushing product combines with the sieve obstinate stone of first shale shaker and carry to in garrulous surge bin after passing through second in garrulous breaker and carry out the well garrulous, the well garrulous product gets into linear vibrating screen or circular vibrating screen and sieves, minus 12mm product under the sieve gets into the second ball mill, plus 12mm product on the sieve is carried to the surge bin that breaks in a small or broken state through belt conveyor. And the products in the fine crushing buffer bin enter a second fine crushing crusher for fine crushing, and after fine crushing, the fine crushed products and the medium crushed products enter a linear vibrating screen or a circular vibrating screen together for screening to form fine crushing closed circulation. And (3) feeding a product which is minus 12mm below a screen and is inspected in advance in medium and fine crushing into a second ball mill for ore grinding, feeding ore discharged from the mill into a second hydrocyclone for classification, feeding the classification underflow and the product below the screen in medium and fine crushing into the second ball mill for ore grinding to form ore grinding closed circulation, and automatically flowing classification overflow into flotation operation.
The sixth specific implementation mode:
according to a specific embodiment, the supplied ore particle size of a large copper-molybdenum ore mining plant is less than 1200 mm. Processing ore 6.0 x 10 in the current first and second factories4t, the fineness of the ore pulp entering a flotation workshop is 68 percent when the ore pulp enters a flotation workshop and is-0.074 mm. Further explanation is provided for a specific efficient ore crushing and grinding system: the specific crushing and grinding steps are as follows:
step (1), coarse crushing: 3.0 x 10 ore processed by two 62-75 gyratory crushers of one and two branch plants4t/d, the granularity of ore supplied by a mining plant is less than 1200mm, and the granularity of a product which is 170mm at the ore discharge port of the 62-75 gyratory crusher is-250 mm. The product is transported by means of a belt conveyor to the coarse heap of the respective branch.
Step (2): 3.0 x 10 of step (1) a separate plant treatment4And (3) respectively discharging the coarse crushed products to a belt conveyor through 28 XZGZ1524 heavy seat type vibration feeders arranged below the coarse ore piles, and feeding the coarse crushed products to 1 phi 11.0m by 5.4m semi-autogenous mill. 2 sets of 2ZXF3675 straight vibrating screens are arranged at the ore discharge end of a half-autogenous mill with the diameter of 11.0m by 5.4m, the hard rock on the screen (the return rate of the hard rock is about 20 percent) is transported to a coarse ore pile of a two-branch factory through a belt conveyor, and the ore pulp under the screen automatically flows into a No. 1 ore grinding pump pool.
And (3): and (3) in the step (2), the ore pulp in the No. 1 ore grinding pump pool is conveyed to 1 group of phi 840-10 hydrocyclones through 2 600MCR slurry pumps, the classification underflow enters a 1 MQY phi 7.9m 13.6m overflow type ball mill 1, the ore is discharged to the No. 1 ore grinding pump pool after being ground, an ore grinding closed cycle is formed, the fineness of the classification overflow ore pulp accounts for 68 percent in-0.074 mm, and the ore pulp is subjected to deslagging through 1 ZKR3660 linear vibrating screen and then flows automatically to flotation operation.
And (4): 3.0 x 10 of the second division of the process of step (1)4t coarse ground product and 6 x 10 produced by the semi-autogenous mill in step (2)3Conveying the t hard rock to a middle crushing buffer bin through 10 XZGZ1322 heavy seat type vibration feeders and a belt conveyor arranged below the coarse ore pile; then respectively feeding 2 HP800 cone crushers through 2 XZG1750, conveying to a screening buffer bin after crushing, then feeding 5 existing TTHM8202 banana-type linear vibrating screens and 4 existing 2YKR3675 circular vibrating screens through a belt feeder, and enabling minus 12mm products under the screen to enter ore grinding through a belt conveyor. Products with the size of plus 12mm on the screen are conveyed to a fine crushing buffer bin, then the products are respectively fed into 6 HP800 cone crushers through 6 XZG1750, and the crushed products and the intermediate crushed products are conveyed to the screen together to form closed circulation.
And (5): and (3) feeding the undersize-12 mm products obtained in the step (4) into a powder bin through a belt conveyor, conveying the ores in the powder bin to the conventional ore grinding operation through the belt conveyor, grading the ores discharged by the mill into a hydrocyclone, feeding the graded underflow and the undersize-12 mm products into a ball mill 2 together for ore grinding to form an ore grinding closed cycle, wherein the fineness of graded overflow pulp accounts for 68% in a range of-0.074 mm, deslagging through 1 ZKR3660 linear vibrating screen, and feeding the pulp into a flotation operation in a self-flowing mode.
In the efficient ore crushing and grinding system of the embodiment, the types of the first gyratory crusher and the second gyratory crusher are 62-75.
In the efficient ore crushing and grinding system according to the embodiment, the specification of the first half autogenous mill is phi 11.0m by 5.4 m.
In the efficient ore crushing and grinding system according to the embodiment, the model of the first vibrating screen is 2ZXF 3675.
In the efficient ore crushing and grinding system of the embodiment, the models of the first slurry pump and the second slurry pump are 600 MCR.
In the efficient ore crushing and grinding system according to the embodiment, the first hydrocyclone has the specification of phi 840 x 10.
In the efficient ore crushing and grinding system according to the embodiment, the specification of the first ball mill is MQY Φ 7.9m by 13.6 m.
In the efficient ore crushing and grinding system according to the embodiment, the second intermediate crusher and the second fine crusher are HP800 cone crushers.
In the efficient ore crushing and grinding system of the embodiment, the second vibrating screen is a TTHM8202 banana-type linear vibrating screen or a 2YKR3675 circular vibrating screen.
Claims (4)
1. The utility model provides a high-efficient ore grinding system which characterized in that: the high-efficiency ore crushing and grinding system comprises a first raw ore bin (1) and a second raw ore bin (9), wherein the first raw ore bin (1) is connected with an inlet of a first gyratory crusher (2) through a conveying belt, an outlet of the first gyratory crusher (2) is connected with an inlet of a first half autogenous mill (3) through a conveying belt, an outlet of the first half autogenous mill (3) is connected with an inlet of a first vibrating screen (5) through a conveying belt, an oversize outlet of the first vibrating screen (5) is connected with an inlet of a second middle crushing crusher (11) through a conveying belt, an undersize outlet of the first vibrating screen (5) is connected with an inlet of a first slurry pool (6) through a conveying belt, an outlet of the first slurry pool (6) is connected with an inlet of a first slurry pump (7) through a pipeline, an outlet of the first slurry pump (7) is connected with an inlet of a first hydrocyclone (8) through a pipeline, the bottom outlet of the first hydrocyclone (8) is connected with the inlet of the first ball mill (4) through a pipeline, and the outlet of the first ball mill (4) is connected with the inlet of the first slurry pool (6) through a pipeline; the second raw ore bin (9) is connected with the inlet of a second gyratory crusher (10) through a conveying belt, the outlet of the second gyratory crusher (10) is connected with the inlet of a second middle crusher (11) through the conveying belt, the outlet of the second middle crusher (11) is connected with the inlet of a second vibrating screen (13) through the conveying belt, the outlet of the second vibrating screen (13) is connected with the inlet of a second fine crusher (12) through the conveying belt, the outlet of the second vibrating screen (13) is connected with the inlet of a second ball mill (14) through the conveying belt, the outlet of the second ball mill (14) is connected with the inlet of a second slurry pool (15) through the conveying belt, the outlet of the second slurry pool (15) is connected with the inlet of a second slurry pump (16) through a pipeline, the outlet of the second slurry pump (16) is connected with the inlet of a second hydraulic cyclone (17) through a pipeline, the bottom outlet of the second hydrocyclone (17) is connected with the inlet of the second ball mill (14) through a pipeline.
2. The high efficiency ore crushing and grinding system according to claim 1, wherein: the top gravity flow outlet of the first hydrocyclone (8) is connected with a flotation system, and the top gravity flow outlet of the second hydrocyclone (17) is connected with the flotation system.
3. The high efficiency ore crushing and grinding system according to claim 1, wherein: the screen mesh diameter of the first vibrating screen (5) is 12 mm.
4. The high efficiency ore crushing and grinding system according to claim 1, wherein: the screen mesh diameter of the second vibrating screen (13) is 12 mm.
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| CN201921025088.7U CN210411073U (en) | 2019-07-02 | 2019-07-02 | High-efficient ore crushing system |
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| CN201921025088.7U CN210411073U (en) | 2019-07-02 | 2019-07-02 | High-efficient ore crushing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170000A (en) * | 2020-09-18 | 2021-01-05 | 滦平建龙矿业有限公司 | Pre-screening treatment system and process for magnetite high-pressure roller mill before grinding |
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2019
- 2019-07-02 CN CN201921025088.7U patent/CN210411073U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112170000A (en) * | 2020-09-18 | 2021-01-05 | 滦平建龙矿业有限公司 | Pre-screening treatment system and process for magnetite high-pressure roller mill before grinding |
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