CN205020200U - Poor value is grading system of usefulness in grades - Google Patents
Poor value is grading system of usefulness in grades Download PDFInfo
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- CN205020200U CN205020200U CN201520698435.8U CN201520698435U CN205020200U CN 205020200 U CN205020200 U CN 205020200U CN 201520698435 U CN201520698435 U CN 201520698435U CN 205020200 U CN205020200 U CN 205020200U
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- roller mill
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Abstract
The utility model provides a poor value is grading system of usefulness in grades, including high pressure roller mill, air current grader, selecting powder machine, dust remover and circulating fan, high pressure roller mill and air current grader, the whitewashed machine of selection make the roller grind back ore size and reach the granularity of dissociating jointly in grades to through the air heavily select, the centrifugal classification two -stage is hierarchical. Can realize throwing in advance the tail, accomplish the mineral enrichment, improve ore grade, show the reduction energy consumption, reduce the mill and grind ore quantity. Reduce the garrulous system energy consumption of mill by a wide margin, improve follow -up mill productivity, improve to grind and select technology, improve operating efficiency and product quality.
Description
Technical field
The utility model includes the ore treatment such as non-ferrous metal, ferrous metal industry, especially poor value and drought and water-scarce area Mineral Processing Industry, by novel high-pressure roller mill and the classification in small, broken bits of air current classifying dry classification method, the hierarchy system of the poor value classification of excellent product can be provided for follow-up ore dressing, granulation.
Background technology
Along with China's rapid economic development, mine resources constantly consumes, and abundant ore source is day by day exhausted, and lean ore resource exploitation increases gradually, and effective exploitation utilizes " poor " " carefully " mineral resources of " mixing " to be trend of the times.
Current Mineral Resources in China comprehensive utilization is not high, comprehensive recovery is on average no more than 50%, totally be about 20%, especially very how low-grade, refractory iron ore resource is had to be difficult to the fineness to requiring in small, broken bits because of traditional ore-dressing technique method, or it is in small, broken bits too high to production cost after requiring fineness, dry method high pressure roller mill and pneumatic separating stage division can effectively address these problems, the development trend that the core technology such as high pressure roller mill dry separation, throwing tail that research is applicable to China's national situation will be the especially super low-grade ore of ore dressing.Dry method high pressure roller mill and pneumatic separating dry classification method can improve the numerous ore of China especially exploitation of lean ore and utilization rate greatly, effectively alleviate Mineral Resources in China shortage situation.
Ore is after high-pressure roller mill grinding is in small, broken bits, directly tail can be thrown before entering grinding machine, again through pneumatic separating dry separation, complete mineral enrichment, mineral grade can reach more than 40%, and tailings grade only has 0.2%, and greatly reduces follow-up ore grinding workload and energy consumption, abrasion etc., solve the impact of wet dressing on environment from the source of ore-dressing technique, economical, societal benefits are very huge.Especially at drought and water-scarce area, or when processing dry material or low moisture material, or shifting to an earlier date or the necessary dry occasion processed after milling, high-pressure roller mill more highlights unique advantage in conjunction with pneumatic separating dry classification method, not only realize throwing tail in advance, reduce follow-up grinding energy, significantly reduce specific energy consumption, and improve mineral sorting index, improve recovery rate in ore-dressing.
Utility model content
The utility model in order to solve domestic traditional mineral pulverize and grinding technology energy consumption higher, the problem that the rate of recovery is lower.A kind of hierarchy system of poor value classification is provided, reduce the waste of ample resources and consume the energy, ore carries out airflow separator, powder concentrator sorting again after high pressure roller mill extruding, subsequent treatment is carried out again after obtaining the less material of granularity, rough polishing amount can be strengthened further, reduce goal abrasive particle degree simultaneously, greatly save energy consumption.This novel high-pressure roller mill adds rough polishing amount in conjunction with pneumatic separating dry classification method, greatly reduces mill feed size, makes the exploitation of the iron ore of head grade 10% become possibility.
The technical solution of the utility model is: the hierarchy system of poor value classification, comprise high-pressure roller mill, gas flow sizing machine, powder concentrator, deduster and circulating fan, poor value is sent in gas flow sizing machine by the feed(raw material)inlet of gas flow sizing machine after high-pressure roller mill roller mill, the meal outlet of gas flow sizing machine is returned meal and is carried out secondary roller mill in high-pressure roller mill, the fine powder outlet of gas flow sizing machine passes through powder concentrator successively, after deduster and circulating fan, again send in gas flow sizing machine by the secondary air inlet of gas flow sizing machine, until fine powder up to standard goes out from the discharging opening of gas flow sizing machine.
Adopt technical method as above, the utility model has following superiority:
The novel high-pressure roller mill that the utility model adopts and air current classifying dry classification method, making mine tailing throw tail amount in advance increases greatly, significantly can reduce the ore grinding amount into fine grinding, and significantly reduce liner plate and steel ball consumption, energy-saving benefit is higher.
The novel high-pressure roller mill that the utility model adopts and air current classifying dry classification method, reduce mill feed size greatly, and in current home ore crushing process after high pressure roller mill granularity general control at 0.1mm.This technique reduces grinding machine material size, substantially improves grinding condition, reduces grinding work index, can significantly improve output.
The novel high-pressure roller mill that the utility model adopts and air current classifying dry classification method, be specially adapted to drought and water-scarce area, or when processing dry material or low moisture material, or shift to an earlier date or the necessary dry occasion processed after milling, meet the social orientation of saving energy and reduce the cost with low-carbon economy.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1, high-pressure roller mill, 2, gas flow sizing machine, 201, secondary air inlet, 202, feed(raw material)inlet, 203, fine powder outlet, 204, meal outlet, 205, discharging opening, 3, powder concentrator, 4, deduster, 5, circulating fan, 6, surge bunker, 7, weighing cabin.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
The hierarchy system of poor value classification, at least comprises high-pressure roller mill and powder concentrator is closed circuit in small, broken bits, and high-pressure roller mill and gas flow sizing machine, powder concentrator are combined and staged, and material enters high-pressure roller mill and gas flow sizing machine, in small, broken bits, the two-stage classification of powder concentrator associating.After high-pressure roller mill roller mill, raw meal particle size reaches granularity of dissociating, and after the classification of gas flow sizing machine one-level, coarse fraction concentrate returns high-pressure roller mill roll-in circulation again from fine powder outlet through belt feeder; Fine fraction concentrate is after powder concentrator secondary grading, and the concentrate meeting granularity requirements enters follow-up mill and selects system, the more high-grade concentrate of final output.
The high-pressure roller mill used has been widely used in mine industry material as key equipment and has entered operation in small, broken bits before mill, has the features such as significantly energy-conservation, volume increase, environmental protect.Its Main Function has been in small, broken bits, makes ore throw tail in advance, significantly reduces specific energy consumption, improves mineral sorting index, improves recovery rate in ore-dressing, increase yield.Meanwhile, gas flow sizing machine, the gravity treatment of powder concentrator air, the classification of centrifugal classification two-stage, make the ore at utmost enrichment that meets the demands, and improves fine powder grade.
This high-pressure roller mill and air current classifying dry classification method, mine tailing can be realized and throw tail in advance, reduce grinding machine ore grinding amount, reduce comminution ore grain size, can significantly reduce crush-grind system energy consumption, improve the production capacity of follow-up grinding machine, thus reduce whole crush-grind system energy consumption, improve mill and select technique, improve operating efficiency and product quality.
embodiment 1
As shown in the figure: ore is fed the weighing cabin 7 be positioned at above high-pressure roller mill 1 by feeding belt, through high-pressure roller mill 1 roll-in, material cake after roll-in sends into gas flow sizing machine 2 by the feed(raw material)inlet 202 of gas flow sizing machine, after weight of air sorting, weighing cabin 7 is returned from meal outlet 204 meal out of gas flow sizing machine 2, get back to again high-pressure roller mill 1 cycle extrusion, the fine powder part reached into mill requirement directly enters bottom technique, a thinner part brings powder concentrator 3 from the fine powder outlet 203 of gas flow sizing machine 2 into by air-flow, after powder concentrator centrifugal classification, fine powder enters deduster 4, after deduster 4 dedusting, material fine powder through circulating fan 5 by the secondary air inlet 201 of gas flow sizing machine 2 blow back gas flow sizing machine 2 again classification cycle enter mill, the part of collecting after dedusting directly enters lower segment process.
Claims (1)
1. the hierarchy system of poor value classification, it is characterized in that: comprise high-pressure roller mill (1), gas flow sizing machine (2), powder concentrator (3), deduster (4) and circulating fan (5), poor value is sent in gas flow sizing machine (2) by the feed(raw material)inlet (202) of gas flow sizing machine (2) after high-pressure roller mill (1) roller mill, meal outlet (204) of gas flow sizing machine (2) is returned meal and is carried out secondary roller mill in high-pressure roller mill (1), fine powder outlet (203) of gas flow sizing machine (2) is successively by powder concentrator (3), after deduster (4) and circulating fan (5), again send in gas flow sizing machine (2) by the secondary air inlet (201) of gas flow sizing machine (2), until fine powder up to standard is discharged from the discharging opening (205) of gas flow sizing machine (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698435.8U CN205020200U (en) | 2015-09-10 | 2015-09-10 | Poor value is grading system of usefulness in grades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520698435.8U CN205020200U (en) | 2015-09-10 | 2015-09-10 | Poor value is grading system of usefulness in grades |
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| Publication Number | Publication Date |
|---|---|
| CN205020200U true CN205020200U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520698435.8U Expired - Fee Related CN205020200U (en) | 2015-09-10 | 2015-09-10 | Poor value is grading system of usefulness in grades |
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| CN (1) | CN205020200U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269058A (en) * | 2016-10-26 | 2017-01-04 | 攀枝花青杠坪矿业有限公司 | The production line of high-pressure roller mill |
| CN108187895A (en) * | 2017-12-25 | 2018-06-22 | 大峘集团有限公司 | The process and device of a kind of dry method ore grinding selection by winnowing magnetic separation for iron ore |
| CN108940538A (en) * | 2018-08-21 | 2018-12-07 | 耒阳市百汇粉体有限公司 | A kind of production technology of marble superfine powder |
| CN110639692A (en) * | 2019-09-27 | 2020-01-03 | 中国地质科学院郑州矿产综合利用研究所 | Method for preparing powder from granite pegmatite by coarse grain separation and dry method |
| CN112473989A (en) * | 2020-11-18 | 2021-03-12 | 中建水务环保有限公司 | Method for recycling, regenerating and sorting construction waste |
| CN114471899A (en) * | 2021-12-31 | 2022-05-13 | 洛阳矿山机械工程设计研究院有限责任公司 | Energy-saving and water-saving closed circuit ore grinding process |
| CN114618635A (en) * | 2022-03-28 | 2022-06-14 | 胡沿东 | Dry grinding and dry separation process of magnetic iron ore |
| CN114618627A (en) * | 2022-03-28 | 2022-06-14 | 胡沿东 | Ore cleavage system and process thereof |
| CN114618634A (en) * | 2022-03-28 | 2022-06-14 | 胡沿东 | Dry grinding and dry separation process for ore |
-
2015
- 2015-09-10 CN CN201520698435.8U patent/CN205020200U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269058A (en) * | 2016-10-26 | 2017-01-04 | 攀枝花青杠坪矿业有限公司 | The production line of high-pressure roller mill |
| CN108187895A (en) * | 2017-12-25 | 2018-06-22 | 大峘集团有限公司 | The process and device of a kind of dry method ore grinding selection by winnowing magnetic separation for iron ore |
| CN108940538A (en) * | 2018-08-21 | 2018-12-07 | 耒阳市百汇粉体有限公司 | A kind of production technology of marble superfine powder |
| CN110639692A (en) * | 2019-09-27 | 2020-01-03 | 中国地质科学院郑州矿产综合利用研究所 | Method for preparing powder from granite pegmatite by coarse grain separation and dry method |
| CN112473989A (en) * | 2020-11-18 | 2021-03-12 | 中建水务环保有限公司 | Method for recycling, regenerating and sorting construction waste |
| CN114471899A (en) * | 2021-12-31 | 2022-05-13 | 洛阳矿山机械工程设计研究院有限责任公司 | Energy-saving and water-saving closed circuit ore grinding process |
| CN114618635A (en) * | 2022-03-28 | 2022-06-14 | 胡沿东 | Dry grinding and dry separation process of magnetic iron ore |
| CN114618627A (en) * | 2022-03-28 | 2022-06-14 | 胡沿东 | Ore cleavage system and process thereof |
| CN114618634A (en) * | 2022-03-28 | 2022-06-14 | 胡沿东 | Dry grinding and dry separation process for ore |
| CN114618634B (en) * | 2022-03-28 | 2023-09-22 | 胡沿东 | Dry grinding and dry separation process of ore |
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| Date | Code | Title | Description |
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| 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: 20160210 Termination date: 20200910 |
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| CF01 | Termination of patent right due to non-payment of annual fee |