CN209985567U - Low-grade magnesite pre-enrichment system - Google Patents
Low-grade magnesite pre-enrichment system Download PDFInfo
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- CN209985567U CN209985567U CN201920508975.3U CN201920508975U CN209985567U CN 209985567 U CN209985567 U CN 209985567U CN 201920508975 U CN201920508975 U CN 201920508975U CN 209985567 U CN209985567 U CN 209985567U
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Abstract
The utility model discloses a low-grade magnesite pre-enrichment system, including jaw breaker, to roller crusher, drum sieve, ball mill, hydrocyclone, magnet separator and flotation column, jaw crusher's ore discharge mouth passes through band conveyer with to roller crusher and is connected, it is connected through band conveyer to roller crusher's ore discharge mouth and drum sieve, the undersize ore discharge mouth and the ball mill of drum sieve pass through band conveyer and are connected, the ore discharge mouth and the hydrocyclone of ball mill pass through the pipe connection, hydrocyclone's overflow mouth and strong magnet separator pass through the pipe connection, strong magnet separator's tailing ore discharge mouth and flotation column pass through the pipe connection. The utility model discloses can improve the magnesite grade, remove iron impurity simultaneously, and the magnesite rate of recovery is high, has improved resource utilization, and simple process, and is with low costs, has better social and economic benefits.
Description
Technical Field
The utility model relates to a low-grade magnesite handles technical field, specifically is a low-grade magnesite pre-enrichment system.
Background
Magnesite is an important strategic mineral resource, is an indispensable refractory material in metallurgy, chemical industry and nonmetal industry, and can be used for preparing high-end functional materials required in the fields of aerospace, aviation, military, metallurgy, environmental protection and the like. Because the magnesite resource reserves are relatively rich and concentrated, the ore grade is higher and the impurities are less, the magnesite development for many years has serious phenomena of 'mining, enriching and abandoning poor', and depends on high-grade ore (the MgO content is more than 46%) which can be directly utilized without enrichment for a long time. However, with the depletion of high-grade magnesite resources and the increasing demand of downstream industrial chains for magnesite ore raw materials, the efficient and high-value development and utilization of low-grade magnesite resources (with MgO content less than 45%) which have been stripped and accumulated as waste rock in the past becomes an urgent problem to be solved.
Disclosure of Invention
An object of the utility model is to provide a low-grade magnesite pre-enrichment system to solve above-mentioned background technical problem.
The technical scheme of the utility model is realized like this:
the utility model provides a low-grade magnesite pre-enrichment system, includes jaw breaker, to roller crusher, drum sieve, ball mill, hydraulic cyclone, magnet separator and flotation column, jaw crusher's ore discharge mouth passes through band conveyer with to roller crusher and is connected, the ore discharge mouth and the drum sieve of roller crusher pass through band conveyer and are connected, the undersize ore discharge mouth and the ball mill of drum sieve pass through band conveyer and are connected, the ore discharge mouth and the hydraulic cyclone of ball mill pass through the pipe connection, hydraulic cyclone's overflow mouth and strong magnet separator pass through the pipe connection, the tailing ore discharge mouth and the flotation column of strong magnet separator pass through the pipe connection.
Furthermore, an oversize ore discharge port of the rotary screen is connected with the double-roll crusher through a belt conveyor.
Further, the feed inlet of the ball mill is connected with a water inlet pipe.
Further, the underflow port of the hydrocyclone is connected with the ball mill through a pipeline.
Further, the flotation column is provided with a size mixing tank, and the size mixing tank is provided with a medicament adding device.
The utility model has the advantages that:
the utility model discloses can improve the magnesite grade, remove iron impurity simultaneously, and the magnesite rate of recovery is high, has improved resource utilization, and simple process, and is with low costs, has better social and economic benefits.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the flow of a low-grade magnesite pre-enrichment system of the present invention.
In the figure, 1-jaw crusher, 2-double-roller crusher, 3-rotary screen, 4-ball mill, 5-hydrocyclone, 6-strong magnetic separator and 7-flotation column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a low-grade magnesite pre-enrichment system, including jaw crusher 1, double roll crusher 2, drum sieve 3, ball mill 4, hydrocyclone 5, magnet separator 6 and flotation column 7, jaw crusher 1's ore discharge mouth is connected through band conveyer with double roll crusher 2, double roll crusher 2's ore discharge mouth is connected through band conveyer with drum sieve 3, drum sieve 3's undersize ore discharge mouth is connected through band conveyer with ball mill 4, ball mill 4's ore discharge mouth and hydrocyclone 5 pass through the pipe connection, hydrocyclone 5's overflow mouth and strong magnet separator 6 pass through the pipe connection, strong magnet separator 6's tailing ore discharge mouth and flotation column 7 pass through the pipe connection.
And an oversize ore discharge port of the rotary screen 3 is connected with the double-roll crusher 2 through a belt conveyor.
The feed inlet of the ball mill 4 is connected with a water inlet pipe.
And the underflow port of the hydrocyclone 5 is connected with the ball mill 4 through a pipeline.
The flotation column 7 is provided with a size mixing tank, and the size mixing tank is provided with a medicament adding device.
The processing method of the low-grade magnesite pre-enrichment system comprises the following steps:
the low-grade magnesite is crushed by a jaw crusher 1 and then is sent to a roller crusher 2 by a belt conveyor for secondary crushing, the discharged ore of the roller crusher 2 is sent to a drum screen 3 by the belt conveyor for classification, the undersize product of the drum screen 3 is sent to a ball mill 4 by the belt conveyor, the ore pulp is adjusted by a feed inlet pipe of the ball mill 4 for grinding, the oversize product of the drum screen 3 is sent to the roller crusher 2 by the belt conveyor for re-crushing, the ore pulp is sent to a hydrocyclone 5 by a pipeline for classification after grinding, the underflow of the hydrocyclone 5 is returned to the ball mill 4 by the pipeline for re-grinding, the overflow of the hydrocyclone 5 is sent to a strong magnetic separator 6 by the pipeline for magnetic separation, the ore discharge at a concentrate discharge port of the strong magnetic separator 6 is coarse iron ore, the tailings of the strong magnetic separator 6 is sent to a flotation column 7 by the pipeline for pulp regulation by a pulp regulation groove, and a medicament is added by a medicament adding device of the pulp regulation groove, and then sorting, wherein the concentrate of the flotation column 7 is magnesite rough concentrate after pre-enrichment, and the tailings of the flotation column 7 are magnesite tailings.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a low-grade magnesite pre-enrichment system, includes jaw breaker, to roller crusher, drum sieve, ball mill, hydraulic cyclone, magnet separator and flotation column, its characterized in that, jaw crusher's ore discharge mouth passes through band conveyer with to roller crusher and is connected, the ore discharge mouth and the drum sieve of roller crusher pass through band conveyer and are connected, the undersize ore discharge mouth and the ball mill of drum sieve pass through band conveyer and are connected, the ore discharge mouth and the hydraulic cyclone of ball mill pass through the pipe connection, hydraulic cyclone's overflow mouth and strong magnet separator pass through the pipe connection, the tailing ore discharge mouth and the flotation column of strong magnet separator pass through the pipe connection.
2. The low-grade magnesite pre-enriching system as claimed in claim 1, wherein the oversize discharge port of the rotary screen is connected with the double roll crusher through a belt conveyor.
3. The system of claim 1, wherein the ball mill feed inlet is connected to a water inlet pipe.
4. The low-grade magnesite pre-enriching system as claimed in claim 1, wherein the underflow port of the hydrocyclone is connected with the ball mill through a pipeline.
5. The system of claim 1, wherein the flotation column is provided with a size mixing tank, and the size mixing tank is provided with a chemical adding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508975.3U CN209985567U (en) | 2019-04-16 | 2019-04-16 | Low-grade magnesite pre-enrichment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508975.3U CN209985567U (en) | 2019-04-16 | 2019-04-16 | Low-grade magnesite pre-enrichment system |
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| CN209985567U true CN209985567U (en) | 2020-01-24 |
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| CN201920508975.3U Active CN209985567U (en) | 2019-04-16 | 2019-04-16 | Low-grade magnesite pre-enrichment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749701A (en) * | 2020-05-19 | 2020-10-09 | 大连船舶重工集团有限公司 | Large-scale offshore mining, selecting and storing integrated engineering ship |
| CN112742607A (en) * | 2020-12-24 | 2021-05-04 | 辽宁省地质矿产研究院有限责任公司 | Method for flotation of cryptocrystalline magnesite |
-
2019
- 2019-04-16 CN CN201920508975.3U patent/CN209985567U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749701A (en) * | 2020-05-19 | 2020-10-09 | 大连船舶重工集团有限公司 | Large-scale offshore mining, selecting and storing integrated engineering ship |
| CN112742607A (en) * | 2020-12-24 | 2021-05-04 | 辽宁省地质矿产研究院有限责任公司 | Method for flotation of cryptocrystalline magnesite |
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