CN203448175U - Two-section ore grinding and grading device of gold ore - Google Patents
Two-section ore grinding and grading device of gold ore Download PDFInfo
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- CN203448175U CN203448175U CN201320564168.6U CN201320564168U CN203448175U CN 203448175 U CN203448175 U CN 203448175U CN 201320564168 U CN201320564168 U CN 201320564168U CN 203448175 U CN203448175 U CN 203448175U
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Abstract
The utility model discloses a two-section ore grinding and grading device of a gold ore. The two-section ore grinding and grading device comprises a ball grinding mill, a hydrocyclone and a grading machine, wherein a first section of ball grinding machine is closely connected with a first section of hydrocyclone, an overflow ore outlet of the first section of hydrocyclone is connected with a pump box, the pump box is connected with a second section of hydrocyclone through a slurry pump, a settled sand outlet of the second section of hydrocyclone is connected with a second section of ball grinding mill, an overflow ore outlet of the second section of hydrocyclone is connected with a flotation system, the second section of ball grinding machine is closely connected with the grading machine, and an overflow ore outlet of the grading machine is connected with the pump box. According to the two-section ore grinding and grading device, the index stability of a product subjected to ore grinding and grading is good, the abrasion replacement time of a sand settling nozzle of the hydrocyclone is prolonged to 5 months from previous 2 months, and the comprehensive ore grinding cost of the two-section ore grinding and grading device is reduced by ***compared with combination of a single ball grinding machine and hydrocyclone.
Description
Technical field
The utility model belongs to ore grind grading field, is specifically related to the grind grading device of gold mine.
Background technology
At present, the classifying equipoment adopting in metal mine grinding grading technique mainly contains spiral classifier, rectilinear motion sieve, hydrocyclone, dusting cover etc.
Spiral classifier is the classifying equipoment of continuing to use at most, and its classification principle is exactly that the sinking speed of utilizing the difference of specific gravity of ore to cause is different, thereby reaches the object of classification.Once be widely used, but due to shortcomings such as its classification efficiency are low, floor space is large, equipment is heavy, in American-European Guo Deng key industry developed country, by hydrocyclone, replaced.In China, primary grinding on spiral classifier is still generally adopted, but the operation of one section of corase grind of some newly-built mammoth mills also all adopts hydrocyclone in the recent period, is indicating that spiral classifier will have substituted possibility.
Although hydrocyclone due to simple in structure, light and flexible, floor space is little, classification efficiency is high, become the comparatively desirable equipment that replaces spiral classifier, and be widely used in the graded operation of fine of every profession and trade, but, the classification process of water conservancy cyclone carries out in centrifugal force field, inevitably can be subject to the interference of mineral proportion.Therefore, in the overflow product of hydrocyclone, there is the fine of the high specific weight of some.Due to updating of hydrocyclone, hydrocyclone starts to be widely used at the metal mine of China in recent years.
No matter be spiral classifier or hydrocyclone, independent form closed circuit flow process with ball mill and all have defect.
Utility model content
The purpose of this utility model provides a kind of grind grading device that reduces ore grinding cost, the gold mine in extension device life-span.
It is as follows that the utility model is realized the technical scheme that above-mentioned purpose adopts:
A kind of two stage grinding grading plant of gold mine, comprise ball mill, cyclone and grader, one section of ball mill and one period of closed circuit connection of cyclone, the overflow ore deposit outlet of one section of cyclone is connected with pump box, pump box is connected with two sections of cyclones by slag stock pump, and the sand setting outlet of two sections of cyclones is connected with two sections of ball mills, and the overflow ore deposit outlet of two sections of cyclones is connected with floatation system, two sections of ball mills are connected with grader is closed circuit, and the overflow ore deposit outlet of grader is connected with pump box.
Further, described grader is high weir spiral classifier.
Further, described one section of ball mill is wet type grate ball mill, and described two sections of ball mills are overflowball mill.
Further, described one section of cyclone is FX350 type cyclone, and described two sections of cyclones are FX250 type cyclone.
Beneficial effect: the control grind grading effect that two stage grinding grading plant of the present utility model can be more stable, guarantee that the product fineness after classification is stabilized in-200 order percentage compositions 92 ± 0.5%, compare with traditional grind grading pattern, product index good stability of the present utility model, desilting nozzle of swirler wearing and tearing replacing time extended to 5 months by former 2 months and change once, and more simple ball mill and the cyclone of comprehensive ore grinding cost combines the 1.4 yuan/t that declined.
Accompanying drawing explanation
Fig. 1 is two stage grinding grading plant schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details.
Gold mine two stage grinding grading plant described in the utility model as shown in Figure 1, comprise ball mill, cyclone and grader, wherein, one section of ball mill and one period of closed circuit connection of cyclone (the sand setting of one section of cyclone returns to one section of ball mill), the overflow ore deposit outlet of one section of cyclone is connected with pump box, pump box is connected with two sections of cyclones by slag stock pump, the sand setting outlet of two sections of cyclones is connected with two sections of ball mills, the overflow ore deposit outlet of two sections of cyclones is connected with floatation system, two sections of ball mills are connected (sand setting of grader returns to ball mill) with grader is closed circuit, the overflow ore deposit outlet of grader is connected with pump box.
One section of the utility model balls grinding machine is that MQ2754 wet type grate ball mill, two sections are MQS2430 overflowball mill, and one section of cyclone is that FX350 type cyclone, two sections are FX250 type cyclone, and grader is high weir spiral classifier FLG-24.
Raw ore enters one section of ball mill, the ore discharge of ore after ball milling ore grinding enters one section of a cluster cyclone (FX350 * 4), the overflow ore pulp of one section of cyclone is introduced into pump box, by slag stock pump, be pumped into two sections of a cluster cyclones (FX250 * 4) again, sand setting after cyclone classification feeds two sections of ball mills, two sections of ball mills form closed circuit with high weir spiral classifier again, the overflow ore pulp of high weir spiral classifier flows into pump box by gravity flow again, by after two sections of a cluster cyclone classifications, qualified products enter the flotation sorting operation that agitator carries out next step more again.
Floatation system of the present utility model is: the qualified products in agitator enter flotation device and first roughly select, the concentrate of roughly selecting again successively selected through one-level, secondary is selected, three grades of selected Gold Concentrate under Normal Pressure that obtain, the mine tailing of roughly selecting successively through one section scan, two sections scan and obtain golden mine tailing.
Claims (4)
1. the two stage grinding grading plant of a gold mine, comprise ball mill, cyclone and grader, it is characterized in that: one section of ball mill and one period of closed circuit connection of cyclone, the overflow ore deposit outlet of one section of cyclone is connected with pump box, pump box is connected with two sections of cyclones by slag stock pump, and the sand setting outlet of two sections of cyclones is connected with two sections of ball mills, and the overflow ore deposit outlet of two sections of cyclones is connected with floatation system, two sections of ball mills are connected with grader is closed circuit, and the overflow ore deposit outlet of grader is connected with pump box.
2. the two stage grinding grading plant of gold mine according to claim 1, is characterized in that: described grader is high weir spiral classifier.
3. the two stage grinding grading plant of gold mine according to claim 1, is characterized in that: described one section of ball mill is wet type grate ball mill, and described two sections of ball mills are overflowball mill.
4. the two stage grinding grading plant of gold mine according to claim 1, is characterized in that: described one section of cyclone is FX350 type cyclone, and described two sections of cyclones are FX250 type cyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320564168.6U CN203448175U (en) | 2013-09-12 | 2013-09-12 | Two-section ore grinding and grading device of gold ore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320564168.6U CN203448175U (en) | 2013-09-12 | 2013-09-12 | Two-section ore grinding and grading device of gold ore |
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| CN203448175U true CN203448175U (en) | 2014-02-26 |
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| CN201320564168.6U Expired - Fee Related CN203448175U (en) | 2013-09-12 | 2013-09-12 | Two-section ore grinding and grading device of gold ore |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148167A (en) * | 2014-08-06 | 2014-11-19 | 哈巴河金坝矿业有限公司 | Reselection recovery method and device for gold |
| CN104148168A (en) * | 2014-08-06 | 2014-11-19 | 哈巴河金坝矿业有限公司 | Ore grinding method and device for gold |
| CN104258977A (en) * | 2014-08-06 | 2015-01-07 | 哈巴河金坝矿业有限公司 | Regrinding and rescreening method and device of gold floating tailings |
| CN106944230A (en) * | 2017-04-07 | 2017-07-14 | 北京东方燕京工程技术股份有限公司 | Adjustable grinding process |
| CN107716131A (en) * | 2016-08-11 | 2018-02-23 | 丹东丹银矿冶有限责任公司 | Grind grading and flotation carbon removal system |
| CN108927281A (en) * | 2018-02-09 | 2018-12-04 | 都兰金辉矿业有限公司 | A kind of gold mine grinding classification system and grind grading treatment process |
| CN109433404A (en) * | 2018-11-01 | 2019-03-08 | 中国恩菲工程技术有限公司 | Golden grinding circuit gravity treatment recyclable device and recovery method |
| CN109847922A (en) * | 2019-01-28 | 2019-06-07 | 山西紫金矿业有限公司 | A kind of Quartz Vein Type fine grained gold mine reselecting method |
| CN110013918A (en) * | 2019-01-15 | 2019-07-16 | 中国地质科学院郑州矿产综合利用研究所 | Method for improving gold recovery rate of semi-primary semi-oxidized gold ore by full flotation process |
| CN111167595A (en) * | 2019-12-30 | 2020-05-19 | 东营方圆有色金属有限公司 | Process method for improving qualified material granularity ratio by secondary classification of cyclone of concentrating mill |
| CN111229452A (en) * | 2020-01-20 | 2020-06-05 | 甘肃省天水李子金矿有限公司 | Beneficiation method suitable for altered rock type gold ore |
| CN111450990A (en) * | 2020-05-13 | 2020-07-28 | 江西理工大学 | Gravity separation system and chromite beneficiation method |
| CN111530646A (en) * | 2020-04-23 | 2020-08-14 | 中国矿业大学 | Severe oxidized coal flotation system and flotation method |
| CN113441274A (en) * | 2021-07-15 | 2021-09-28 | 厦门紫金矿冶技术有限公司 | Ore dressing method for porphyry gold ore containing coarse-grain embedded cloth |
| WO2022089492A1 (en) * | 2020-10-27 | 2022-05-05 | 水口山有色金属有限责任公司 | Flotation method for improving grade of high-sulfur gold concentrate |
| CN114534907A (en) * | 2022-03-09 | 2022-05-27 | 中国矿业大学 | Enrichment method and system of low-grade gold ore |
-
2013
- 2013-09-12 CN CN201320564168.6U patent/CN203448175U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104148168A (en) * | 2014-08-06 | 2014-11-19 | 哈巴河金坝矿业有限公司 | Ore grinding method and device for gold |
| CN104258977A (en) * | 2014-08-06 | 2015-01-07 | 哈巴河金坝矿业有限公司 | Regrinding and rescreening method and device of gold floating tailings |
| CN104148167A (en) * | 2014-08-06 | 2014-11-19 | 哈巴河金坝矿业有限公司 | Reselection recovery method and device for gold |
| CN107716131A (en) * | 2016-08-11 | 2018-02-23 | 丹东丹银矿冶有限责任公司 | Grind grading and flotation carbon removal system |
| CN107716131B (en) * | 2016-08-11 | 2019-09-10 | 丹东丹银矿冶有限责任公司 | Grind grading and flotation carbon removal system |
| CN106944230B (en) * | 2017-04-07 | 2022-06-03 | 北京东方燕京工程技术有限责任公司 | Adjustable ore grinding process |
| CN106944230A (en) * | 2017-04-07 | 2017-07-14 | 北京东方燕京工程技术股份有限公司 | Adjustable grinding process |
| CN108927281A (en) * | 2018-02-09 | 2018-12-04 | 都兰金辉矿业有限公司 | A kind of gold mine grinding classification system and grind grading treatment process |
| CN109433404A (en) * | 2018-11-01 | 2019-03-08 | 中国恩菲工程技术有限公司 | Golden grinding circuit gravity treatment recyclable device and recovery method |
| CN110013918A (en) * | 2019-01-15 | 2019-07-16 | 中国地质科学院郑州矿产综合利用研究所 | Method for improving gold recovery rate of semi-primary semi-oxidized gold ore by full flotation process |
| CN109847922A (en) * | 2019-01-28 | 2019-06-07 | 山西紫金矿业有限公司 | A kind of Quartz Vein Type fine grained gold mine reselecting method |
| CN111167595A (en) * | 2019-12-30 | 2020-05-19 | 东营方圆有色金属有限公司 | Process method for improving qualified material granularity ratio by secondary classification of cyclone of concentrating mill |
| CN111229452A (en) * | 2020-01-20 | 2020-06-05 | 甘肃省天水李子金矿有限公司 | Beneficiation method suitable for altered rock type gold ore |
| CN111530646A (en) * | 2020-04-23 | 2020-08-14 | 中国矿业大学 | Severe oxidized coal flotation system and flotation method |
| CN111530646B (en) * | 2020-04-23 | 2022-06-17 | 中国矿业大学 | Severe oxidized coal flotation system and flotation method |
| CN111450990A (en) * | 2020-05-13 | 2020-07-28 | 江西理工大学 | Gravity separation system and chromite beneficiation method |
| WO2022089492A1 (en) * | 2020-10-27 | 2022-05-05 | 水口山有色金属有限责任公司 | Flotation method for improving grade of high-sulfur gold concentrate |
| CN113441274A (en) * | 2021-07-15 | 2021-09-28 | 厦门紫金矿冶技术有限公司 | Ore dressing method for porphyry gold ore containing coarse-grain embedded cloth |
| CN113441274B (en) * | 2021-07-15 | 2022-09-02 | 厦门紫金矿冶技术有限公司 | Ore dressing method for porphyry gold ore containing coarse-grain embedded cloth |
| CN114534907A (en) * | 2022-03-09 | 2022-05-27 | 中国矿业大学 | Enrichment method and system of low-grade gold ore |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20200912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |