CN217940461U - Step grinding and selecting system for fragile easily-argillized ores - Google Patents
Step grinding and selecting system for fragile easily-argillized ores Download PDFInfo
- Publication number
- CN217940461U CN217940461U CN202222018170.5U CN202222018170U CN217940461U CN 217940461 U CN217940461 U CN 217940461U CN 202222018170 U CN202222018170 U CN 202222018170U CN 217940461 U CN217940461 U CN 217940461U
- Authority
- CN
- China
- Prior art keywords
- screen
- conveying mechanism
- stage
- circulating
- ore
- 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
- Disintegrating Or Milling (AREA)
Abstract
The utility model provides a step of easy argillization ore of fragility grinds selection system, this system grind the ore grading plant including washing ore screening plant, grading plant, enrichment facility, circulation screening breaker and circulation. The utility model discloses a control the flow direction of different particle diameter ores, handle it respectively, reduced the harmful effects to grinding selection device and follow-up selection technology that the ore argillization brought. And simultaneously, the utility model discloses divide into the product of a plurality of different size grades with the ore, the direct classification technology that gets into of small-size ore avoids the easy argillization ore of fragility to cross the mineral loss problem that smashes and lead to, has reduced the ore grinding volume simultaneously, has improved production efficiency.
Description
Technical Field
The utility model relates to a step grinds and selects system, concretely relates to step of easy argillization ore of fragility grinds selection system belongs to iron ore stone and grinds selection technical field.
Background
Ores in nature are generally composed of one or more minerals, and the process of selectively enriching minerals containing an element from an ore is called beneficiation. The ore dressing plant usually obtains the ore material through the operations of crushing, screening, grinding, grading, dressing, concentrating, filtering and the like in sequence, and finally obtains the concentrate and the tailing product.
The conventional ore crushing mostly adopts a three-section (or two-section) closed-circuit process, the ore grinding mostly adopts a two-section closed-circuit or stage ore grinding stage sorting process, and the crushing-ore grinding process is easy to over-crush and generate a large amount of fine mud when processing brittle ores, particularly the brittle ores with higher mud content, thereby not only influencing the ore grinding and grading process, but also having adverse effects on the subsequent sorting process and equipment. Moreover, the crushed fine mud minerals cannot be recovered by the existing technical means, so that the target minerals are lost, and the production recovery rate is low.
The nature of the brittle ore itself, which is high in slime, makes it unsuitable for conventional crushing and grinding processes. Patent CN201811369429.2 discloses a process method for recycling copper by grading and regrinding copper tailings, wherein the most classical three-stage closed circuit crushing and two-stage closed circuit grinding processes are adopted in crushing and grinding processes. This method is a universal method of mineral comminution and can generally achieve the basic goal of dissociating minerals for conventional ores, but is not suitable for processing brittle slime-type ores. Patent CN 201811444000.5 provides a new process for reselecting and recovering low-grade niobium-titanium-uranium ore, and large-particle materials can be separated in time by setting multistage pre-screening and inspection screening in a crushing section, so that the ore crushing efficiency is enhanced. However, the series multistage crushing and screening processes cannot avoid the over-crushing phenomenon of fine ores, and particularly treat brittle ores with uneven raw ore particle size and more mud content.
SUMMERY OF THE UTILITY MODEL
To containing the higher brittle ore of mud among the prior art and crossing easily and smashing and produce a large amount of thin mud, influence the problem of grinding ore classification and subsequent handling, the utility model provides a step mill selection system of the easy argillization ore of fragility is with the adnexed thin mud of raw ore through washing ore screening technology, and the separation back is further handled alone to refine the sieve with the ore and divide into the product of a plurality of different grain grades, the broken coarse ore of selectivity, avoid ore argillization, cross the mineral loss problem that smashes and lead to.
The utility model provides a step mill of fragile easy argillization ore selects system, this system of includes washing ore screening plant, grading plant, enrichment facility, circulation screening breaker and circulation grinding grading plant.
And a fine particle material outlet of the ore washing and screening device is connected with a feed inlet of the grading device through a first material conveying mechanism, and a coarse particle material outlet of the ore washing and screening device is connected with a feed inlet of the circulating screening and crushing device through a second material conveying mechanism.
And a fine particle material outlet of the grading device is connected with a feed inlet of the concentrating device through a third material conveying mechanism, and a coarse particle material outlet of the grading device is connected with a feed inlet of the circulating ore grinding and grading device through a fourth material conveying mechanism.
And a fine particle material outlet of the circulating screening and crushing device is connected with a feed inlet of the concentration device through a fifth material conveying mechanism, and a coarse particle material outlet of the circulating screening and crushing device is connected with a feed inlet of the circulating grinding and classification device through a sixth material conveying mechanism.
And an underflow material outlet of the concentration device is connected to the circulating ore grinding grading device through a seventh material conveying mechanism, and an overflow material outlet of the concentration device is connected with an overflow material conveying mechanism. And a discharge port of the circulating screening and crushing device is connected with a finished product material conveying mechanism.
Preferably, the circulating screening and crushing device comprises a first-stage screening device, a second-stage crushing device and a second-stage screening device which are sequentially connected in series. And a feed inlet of the first section of screening device is connected with a coarse grain material outlet of the ore washing screening device through a second material conveying mechanism. A first screen, a second screen and a third screen with gradually-reduced mesh aperture are sequentially arranged in the section of screening device from top to bottom. Wherein the large-particle material outlet between the first screen and the second screen is communicated with the feed inlet of the two-stage crushing device through the first material circulating conveying mechanism. A coarse grain material outlet communicated with the sixth material conveying mechanism is arranged between the second screen and the third screen. A fine material outlet communicated with the fifth material conveying mechanism is also arranged below the third screen. And a fourth screen is arranged in the two-stage screening device, an oversize large-particle material outlet of the fourth screen is communicated with a feed inlet of the two-stage crushing device through a second material circulating conveying mechanism, and an undersize coarse-particle material outlet of the fourth screen is communicated with a sixth material conveying mechanism.
Preferably, the circulating screening and crushing device further comprises a section of crushing device, an oversize material outlet of the first screen is communicated with a feed inlet of the section of crushing device through a third material circulating conveying mechanism, and a discharge outlet of the section of crushing device is communicated with a feed inlet of the section of screening device through a fourth material circulating conveying mechanism.
Preferably, the first screen has a mesh opening size of 60 to 65mm, the second screen has a mesh opening size of 10 to 15mm, the third screen has a mesh opening size of 1 to 1.5mm, and the fourth screen has a mesh opening size consistent with that of the second screen.
Preferably, the circulating ore grinding and grading device comprises a first-stage ore grinding device, a first-stage grading device and a second-stage grading device. The feed inlet of the first section of ore grinding device is communicated with the fourth material conveying mechanism and the sixth material conveying mechanism, and the discharge outlet of the first section of ore grinding device is connected with the feed inlet of the first section of grading device. The feed inlet of the first-stage grading device is also communicated with a seventh material conveying mechanism. And a first grading screen is arranged in the first-stage grading device, a fine-grained material outlet under the screen is connected with a feed inlet of the second-stage grading device, and a coarse-grained material outlet on the screen is connected to a feed inlet of the first-stage ore grinding device through a fifth material circulating conveying mechanism. And a second grading screen is arranged in the two-stage grading device, and a fine material outlet under the screen is communicated with a finished product material conveying mechanism.
Preferably, the circulating ore grinding and grading device further comprises a second-stage ore grinding device, an oversize coarse grain material outlet of the second-stage grading device is communicated with a feed inlet of the second-stage ore grinding device through a sixth material circulating and conveying mechanism, and a discharge outlet of the second-stage ore grinding device is communicated with a feed inlet of the second-stage grading device through a seventh material circulating and conveying mechanism.
Preferably, the first classifying screen has a mesh opening size of 70 to 80 μm, and the second classifying screen has a mesh opening size of 35 to 40 μm.
Preferably, the system further comprises a bin, the bin is arranged between the circulating grinding classification device and the circulating screening and crushing device, a feed inlet of the bin is communicated with the fourth material conveying mechanism and the sixth material conveying mechanism, and a discharge outlet of the bin is connected with the feed inlet of the circulating grinding classification device.
Preferably, the aperture of the screen in the ore washing and screening device is 10-15mm.
Preferably, the aperture of the screen in the grading device is 1-1.5mm.
Preferably, the classifier is a screw classifier.
Preferably, the first-stage ore grinding device and the second-stage ore grinding device are respectively and independently a rod mill or a ball mill.
The utility model discloses in, to the easy argillization ore of fragility, at first will adopt the washing sieve (sieve mesh aperture is preferred 10 mm) to wash the ore screening operation through the broken ore of preliminary mining (< 160 mm), the powder that will wash the sieve undersize product granularity < 10nm adopts spiral classifier (its sieve mesh aperture is preferred 1 mm) to carry out classification once more, the product of classifying < 1mm and 1 ~ 10mm, and send into circulation screening breaker with the product of washing the sieve oversize and sieve out 10 ~ 160mm and sieve the operation, sieve out respectively < 1mm, 1 ~ 10mm, 10 ~ 60mm and > 60mm four grades of product. Sending the product with the diameter larger than 60mm into a first-stage crushing process, and returning the first-stage crushed product to a first-stage screening process; feeding the 10-60 mm product into a two-stage crushing process, and feeding the two-stage crushed product into a circulating ore grinding grading device; combining the product of 1-10 mm, the product of 1-10 mm sieved by the first section of sieve and the product of 1-10 mm sieved by the spiral classifier, and sending the combined product into a circulating ore grinding and classifying device; the product with the diameter less than 1mm is combined with the product with the diameter less than 1mm screened by the spiral classifier and enters the concentration procedure.
In the utility model, the ore after primary mining and crushing is refined and sieved and is divided into a plurality of products with different particle sizes, after small-particle ore is separated, the remaining large-particle ore is sieved again, and larger particles in the large-particle ore are crushed in one section and then returned to be sieved again; and (3) carrying out secondary crushing on medium particle minerals in the large particle size ores, and carrying out secondary screening to finally obtain the small particle size ores. The utility model discloses a to the different processing method that different particle diameter ores adopted, selectively broken coarse grain ore promptly, small particle diameter ore directly gets into and the classification technology simultaneously, avoids the ore of small particle diameter to produce kibbling phenomenon, has effectively avoided the easy argillization ore of fragility to cross the mineral loss problem of smashing the result in to crushing efficiency has been improved. The ore is divided into a plurality of different particle sizes for treatment, so that the ore grinding amount is reduced, and the production efficiency is improved.
In the utility model, after the fine particle ore (1-10 mm ore powder) enters the circulating grinding grading device, the ore with the particle size of-74 mu m accounting for 70% is screened by adopting the first-stage grinding and the first-stage grading process, and the fine particle ore enters the second-stage grading process and is matched with the second-stage grinding to obtain the finished ore with the particle size of-37 mu m accounting for 75%.
The utility model discloses in, through the washing ore screening technology of ore, can separate the ore of different particle diameters to control the flow direction of different particle diameter ores, handle it respectively, reduce the harmful effects that the ore argillization brought produces grinding classification process and subsequent sorting process.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model provides a step of easy argillization ore of fragility grinds selection system through the flow direction of controlling different particle diameter ores, handles respectively to it, has reduced the harmful effects to grinding selection device and follow-up selection process that the ore argillization brought.
2. The utility model provides a step mill of easy argillization ore of fragility selects system, divide into the result of a plurality of different size grades with the ore, and small-size footpath ore directly gets into hierarchical technology, avoids the easy argillization ore of fragility to cross the mineral loss problem of smashing the result in, has reduced the ore grinding volume simultaneously, has improved production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a step grinding and selecting system for fragile easily-argillized ores provided by the present invention;
fig. 2 is a schematic structural diagram of a step grinding and selecting system for brittle easily-argillized ores provided by the present invention;
reference numerals are as follows: 1: a washing and screening device; 2: a grading device; 3: a concentration device; 4: a circulating screening and crushing device; 401: a first section of screening equipment; 4011: a first screen; 4012: a second screen; 4013: a third screen; 402: a second stage crushing device; 403: a second stage screening device; 4031: a fourth screen; 404: a first stage of crushing means; 5: a circulating ore grinding and grading device; 501: a first stage of ore grinding device; 502: a first stage of a grading device; 5021: a first classifying screen; 503: a two-stage classification device; 5031: a second classifying screen; 504: a second-stage ore grinding device; 6: a storage bin; s1: a first material conveying mechanism; s2: a second material conveying mechanism; s3: a third material conveying mechanism; s4: a fourth material conveying mechanism; s5: a fifth material conveying mechanism; s6: a sixth material conveying mechanism; s7: a seventh material conveying mechanism; s8: an overflow material conveying mechanism; s9: a finished product material conveying mechanism; r1: the first material circulating conveying mechanism; r2: the second material circulating conveying mechanism; r3: a third material circulating conveying mechanism; r4: a fourth material circulating conveying mechanism; r5: a fifth material circulating conveying mechanism; r6: a sixth material circulating conveying mechanism; r7: and the seventh material circulating conveying mechanism.
Detailed Description
The technical solution of the present invention is illustrated below, and the claimed invention includes but is not limited to the following embodiments.
The utility model provides a step mill of fragile easy argillization ore selects system, this system of includes washing ore screening plant 1, grading plant 2, enrichment facility 3, circulation screening breaker 4 and circulation grinding grading plant 5.
Wherein, the fine particle material outlet of the ore washing and screening device 1 is connected with the feed inlet of the grading device 2 through a first material conveying mechanism S1, and the coarse particle material outlet of the ore washing and screening device 1 is connected with the feed inlet of the circulating screening and crushing device 4 through a second material conveying mechanism S2.
The fine particle material outlet of the grading device 2 is connected with the feed inlet of the concentration device 3 through a third material conveying mechanism S3, and the coarse particle material outlet of the grading device 2 is connected with the feed inlet of the circulating ore grinding grading device 5 through a fourth material conveying mechanism S4.
And a fine particle material outlet of the circulating screening and crushing device 4 is connected with a feed inlet of the concentration device 3 through a fifth material conveying mechanism S5, and a coarse particle material outlet of the circulating screening and crushing device 4 is connected with a feed inlet of the circulating grinding and classification device 5 through a sixth material conveying mechanism S6.
An underflow material outlet of the concentration device 3 is connected to the circulating ore grinding grading device 5 through a seventh material conveying mechanism S7, and an overflow material outlet of the concentration device 3 is connected with an overflow material conveying mechanism S8; the discharge hole of the circulating screening and crushing device 4 is connected with a finished product material conveying mechanism S9.
Preferably, the circulating screening and crushing device 4 comprises a primary screening device 401, a secondary screening device 402 and a secondary screening device 403 which are arranged in series in sequence. The feed inlet of the first section of screening device 401 is connected with the coarse grain material outlet of the ore washing screening device 1 through a second material conveying mechanism S2. A first screen 4011, a second screen 4012 and a third screen 4013 with gradually-reduced screen hole diameters are sequentially arranged in the first section of screening device 401 from top to bottom. Wherein the large particle material outlet between the first screen 4011 and the second screen 4012 is communicated with the feed port of the two-stage crushing device 402 through a first material circulation conveying mechanism R1. A coarse material outlet communicated with a sixth material conveying mechanism S6 is arranged between the second screen 4012 and the third screen 4013. A fine material outlet communicated with the fifth material conveying mechanism S5 is also arranged below the third screen 4013. A fourth screen 4031 is arranged in the second-stage screening device 403, an oversize large-particle material outlet of the fourth screen 4031 is communicated with a feed inlet of the second-stage crushing device 402 through a second material circulating conveying mechanism R2, and an undersize coarse-particle material outlet of the fourth screen 4031 is communicated with a sixth material conveying mechanism S6.
Preferably, the circulating screening and crushing device 4 further comprises a first section of crushing device 404, an oversize material outlet of the first screen 4011 is communicated with a feed inlet of the first section of crushing device 404 through a third material circulating and conveying mechanism R3, and a discharge outlet of the first section of crushing device 404 is communicated with a feed inlet of the first section of screening device 401 through a fourth material circulating and conveying mechanism R4.
Preferably, the mesh size of the first screen 4011 is 60 to 65mm, the mesh size of the second screen 4012 is 10 to 15mm, the mesh size of the third screen 4013 is 1 to 1.5mm, and the mesh size of the fourth screen 4031 is identical to the mesh size of the second screen 4012.
Preferably, the circulating grinding classification device 5 comprises a first-stage grinding device 501, a first-stage classification device 502 and a second-stage classification device 503. The feed inlet of the first-stage ore grinding device 501 is communicated with the fourth material conveying mechanism S4 and the sixth material conveying mechanism S6, and the discharge outlet of the first-stage ore grinding device 501 is connected with the feed inlet of the first-stage grading device 502. The feed inlet of the first-stage grading device 502 is also communicated with a seventh material conveying mechanism S7. A first grading screen 5021 is arranged in the first-stage grading device 502, a fine-grained material outlet under the screen is connected with a feed inlet of the second-stage grading device 503, and a coarse-grained material outlet on the screen is connected to a feed inlet of the first-stage ore grinding device 501 through a fifth material circulating and conveying mechanism R5. A second grading screen 5031 is arranged in the second-stage grading device 503, and an outlet of fine-grained materials below the second-stage grading device is communicated with a finished product material conveying mechanism S9.
Preferably, the circulating grinding and classifying device 5 further comprises a second-stage grinding device 504, an oversize coarse-grained material outlet of the second-stage classifying device 503 is communicated with a feed inlet of the second-stage grinding device 504 through a sixth material circulating and conveying mechanism R6, and a discharge outlet of the second-stage grinding device 504 is communicated with a feed inlet of the second-stage classifying device 503 through a seventh material circulating and conveying mechanism R7.
Preferably, the first classifying screen 5021 has a mesh aperture of 70-80 μm, and the second classifying screen 5031 has a mesh aperture of 35-40 μm.
Preferably, the system further comprises a bin 6, the bin 6 is arranged between the circulating grinding classification device 5 and the circulating screening and crushing device 4, a feed inlet of the bin 6 is communicated with a fourth material conveying mechanism S4 and a sixth material conveying mechanism S6, and a discharge outlet of the bin 6 is connected with a feed inlet of the circulating grinding classification device 5.
Preferably, the aperture of the screen in the ore washing and screening device 1 is 10-15mm.
Preferably, the aperture of the screen in the grading device 2 is 1-1.5mm.
Preferably, the classifier 2 is a screw classifier.
Preferably, the primary grinding device 501 and the secondary grinding device 504 are respectively and independently a rod mill or a ball mill.
Claims (10)
1. The utility model provides a step of fragile easy argillization ore grinds system of selecting which characterized in that: the system comprises an ore washing screening device (1), a grading device (2), a concentrating device (3), a circulating screening and crushing device (4) and a circulating ore grinding and grading device (5);
wherein a fine particle material outlet of the ore washing and screening device (1) is connected with a feed inlet of the grading device (2) through a first material conveying mechanism (S1), and a coarse particle material outlet of the ore washing and screening device (1) is connected with a feed inlet of the circulating screening and crushing device (4) through a second material conveying mechanism (S2);
a fine particle material outlet of the grading device (2) is connected with a feed inlet of the concentration device (3) through a third material conveying mechanism (S3), and a coarse particle material outlet of the grading device (2) is connected with a feed inlet of the circulating ore grinding grading device (5) through a fourth material conveying mechanism (S4);
a fine particle material outlet of the circulating screening and crushing device (4) is connected with a feeding hole of the concentration device (3) through a fifth material conveying mechanism (S5), and a coarse particle material outlet of the circulating screening and crushing device (4) is connected with a feeding hole of the circulating grinding and classifying device (5) through a sixth material conveying mechanism (S6);
an underflow material outlet of the concentration device (3) is connected to the circulating ore grinding grading device (5) through a seventh material conveying mechanism (S7), and an overflow material outlet of the concentration device (3) is connected with an overflow material conveying mechanism (S8); the discharge hole of the circulating screening and crushing device (4) is connected with a finished product material conveying mechanism (S9).
2. The step mill selection system of claim 1, wherein: the circulating screening and crushing device (4) comprises a first-stage screening device (401), a second-stage crushing device (402) and a second-stage screening device (403) which are sequentially connected in series; the feed inlet of the first-section screening device (401) is connected to a coarse-grained material outlet of the ore washing screening device (1) through a second material conveying mechanism (S2); a first screen (4011), a second screen (4012) and a third screen (4013) with gradually-reduced screen hole diameters are sequentially arranged in the section of screening device (401) from top to bottom; wherein the large-particle material outlet between the first screen (4011) and the second screen (4012) is communicated with the feed inlet of the two-stage crushing device (402) through a first material circulating conveying mechanism (R1); a coarse grain material outlet communicated with the sixth material conveying mechanism (S6) is arranged between the second screen (4012) and the third screen (4013); a fine material outlet communicated with a fifth material conveying mechanism (S5) is also arranged below the third screen (4013); a fourth screen (4031) is arranged in the second-stage screening device (403), an oversize large-particle material outlet of the fourth screen (4031) is communicated with a feed inlet of the second-stage crushing device (402) through a second material circulating conveying mechanism (R2), and an undersize coarse-particle material outlet of the fourth screen (4031) is communicated with a sixth material conveying mechanism (S6).
3. The step mill selection system of claim 2, wherein: the circulating screening and crushing device (4) further comprises a section of crushing device (404), an oversize material outlet of the first screen (4011) is communicated with a feed inlet of the section of crushing device (404) through a third material circulating and conveying mechanism (R3), and a discharge outlet of the section of crushing device (404) is communicated with a feed inlet of the section of screening device (401) through a fourth material circulating and conveying mechanism (R4).
4. The step mill system of claim 3, wherein: the mesh aperture of the first screen (4011) is 60-65mm, the mesh aperture of the second screen (4012) is 10-15mm, the mesh aperture of the third screen (4013) is 1-1.5mm, and the mesh aperture of the fourth screen (4031) is consistent with the mesh aperture of the second screen (4012).
5. The step mill system of any one of claims 2-4, wherein: the circulating ore grinding grading device (5) comprises a first-stage ore grinding device (501), a first-stage grading device (502) and a second-stage grading device (503); the feed inlet of the first-stage ore grinding device (501) is communicated with a fourth material conveying mechanism (S4) and a sixth material conveying mechanism (S6), and the discharge outlet of the first-stage ore grinding device (501) is connected with the feed inlet of the first-stage grading device (502); the feed inlet of the first-stage grading device (502) is also communicated with a seventh material conveying mechanism (S7); a first grading screen (5021) is arranged in the first-stage grading device (502), a fine-grained material outlet under the screen of the first-stage grading device is connected with a feeding hole of the second-stage grading device (503), and a coarse-grained material outlet on the screen of the first-stage grading device is connected to a feeding hole of the first-stage grinding device (501) through a fifth material circulating conveying mechanism (R5); a second grading screen (5031) is arranged in the second-stage grading device (503), and a fine material outlet under the screen is communicated with a finished product material conveying mechanism (S9).
6. The step mill system of claim 5, wherein: the circulating ore grinding and grading device (5) further comprises a second-stage ore grinding device (504), an oversize coarse grain material outlet of the second-stage grading device (503) is communicated with a feed inlet of the second-stage ore grinding device (504) through a sixth material circulating conveying mechanism (R6), and a discharge outlet of the second-stage ore grinding device (504) is communicated with a feed inlet of the second-stage grading device (503) through a seventh material circulating conveying mechanism (R7).
7. The step mill selection system of claim 6, wherein: the first grading screen (5021) has a mesh opening size of 70-80 μm, and the second grading screen (5031) has a mesh opening size of 35-40 μm.
8. The step mill selection system of claim 6 or 7, wherein: the system further comprises a storage bin (6), the storage bin (6) is arranged between the circulating ore grinding grading device (5) and the circulating screening and crushing device (4), a feed inlet of the storage bin (6) is communicated with a fourth material conveying mechanism (S4) and a sixth material conveying mechanism (S6), and a discharge outlet of the storage bin (6) is connected with a feed inlet of the circulating ore grinding grading device (5).
9. The step mill system of claim 8, wherein: the aperture of a screen in the ore washing and screening device (1) is 10-15mm; and/or
The aperture of the screen in the grading device (2) is 1-1.5mm.
10. The step mill system of claim 9, wherein: the grading device (2) is a spiral grader; and/or
The first-stage ore grinding device (501) and the second-stage ore grinding device (504) are respectively and independently a rod mill or a ball mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222018170.5U CN217940461U (en) | 2022-08-02 | 2022-08-02 | Step grinding and selecting system for fragile easily-argillized ores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222018170.5U CN217940461U (en) | 2022-08-02 | 2022-08-02 | Step grinding and selecting system for fragile easily-argillized ores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217940461U true CN217940461U (en) | 2022-12-02 |
Family
ID=84225657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222018170.5U Active CN217940461U (en) | 2022-08-02 | 2022-08-02 | Step grinding and selecting system for fragile easily-argillized ores |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217940461U (en) |
-
2022
- 2022-08-02 CN CN202222018170.5U patent/CN217940461U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101502819B (en) | Pre-selection method of low-ore grade magnetic iron ore | |
| CN105107616B (en) | A kind of method for effectively improving low-grade vanadium titano-magnetite beneficiating efficiency | |
| CN105413842B (en) | The ore-dressing technique of Ultra-low-grade magnetite and system | |
| CN110292990B (en) | Method for improving gold recovery rate and beneficiation efficiency | |
| CN109013037B (en) | Magnetite beneficiation process for improving coarse fraction tailing content and mill processing capacity | |
| CN106755650B (en) | Slag produces high activity steel-making slag powder and the technique of inert mineral product | |
| CN101579654A (en) | Iron ore powder mineral dressing process | |
| CN113385299B (en) | Magnetic-gravity-magnetic combined ore dressing process for treating lean magnetite ore | |
| CN110624686A (en) | Magnetite beneficiation process capable of fully releasing mill capacity | |
| CN111545341A (en) | Process for removing chromium from laterite-nickel ore | |
| CN111686926A (en) | Rough and fine separation-magnetism-weight-floatation combined process for treating magnetite | |
| CN113976306A (en) | Pre-waste-throwing system and process for complex refractory low-grade molybdenum ore heavy-medium beneficiation | |
| CN204672415U (en) | Ilmenite combined classification separation system | |
| CN112206919A (en) | Beneficiation method for obtaining blocky manganese concentrate | |
| CN210585354U (en) | Magnetite iron separation equipment | |
| WO2024153015A1 (en) | Method and system for efficient ore crushing, grinding and sorting | |
| WO2024045687A2 (en) | Method for pre-selection and discarding and reducing over-grinding of gold ores | |
| WO2024138980A1 (en) | System and process for sorting and upgrading coarse-grained sulphide ores by means of gradient waste-ore discarding | |
| CN111375482B (en) | Method for grading and sorting silico-calcic phosphate ore | |
| CN111715396A (en) | Copper-containing magnetite wet-type pre-selection grinding classification system and pre-selection process thereof | |
| CN217940461U (en) | Step grinding and selecting system for fragile easily-argillized ores | |
| CN114405675B (en) | Mineral separation process for iron ore mixed ore | |
| CN104096627B (en) | The method of the black tungsten beneficiating efficiency of a kind of effective raising | |
| CN115430517A (en) | Anshan type maghemite sectional grinding, heavy-magnetic process flow | |
| RU2241544C2 (en) | Method of enrichment of magnetite ores |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |