CN107096710B - Potential energy slurry supply feeding-screening method - Google Patents
Potential energy slurry supply feeding-screening method Download PDFInfo
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- CN107096710B CN107096710B CN201710313238.3A CN201710313238A CN107096710B CN 107096710 B CN107096710 B CN 107096710B CN 201710313238 A CN201710313238 A CN 201710313238A CN 107096710 B CN107096710 B CN 107096710B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
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- Manufacture And Refinement Of Metals (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention provides a potential energy pulp feeding-screening method, which comprises the steps of dividing ore pulp into a plurality of strands, feeding each strand of ore to extend to 1/2 which is not more than the length of the screen surface, and screening each strand of ore through the step-type buffer with the reduced inclination angle, wherein the width of a screen is effectively utilized, the utilization rate of the screen surface is improved, particles in the ore pulp can be screened out in time through the screen, mineral particles left on the screen surface are greatly reduced, light and fine ore particles are screened firstly, the screening efficiency is improved, the one-time screening rate is over 90%, the unit time capacity is improved by 50 ~ 300%, in addition, the service life of the screen is prolonged by 30 ~ 200%, the range of the particle size suitable for screening is large, and the minimum screening particle size can reach 600 ~ 800 meshes and 800 meshes.
Description
Technical Field
The invention belongs to the technical field of mineral separation, and particularly relates to a potential energy slurry supply feeding-screening method.
Background
The classification technology is the content of classification technology in the processes of ore dressing, such as crushing, grinding, classification and selection, and the classification technology is also divided into the contents of classification by a spiral classifier, classification by a cyclone, screening and classification and the like. The main purpose of grading in the beneficiation process is to enable mineral particles which have been ground to meet the beneficiation requirements such as flotation, gravity separation, magnetic separation, electric separation and the like to enter the beneficiation flow immediately, and carry out gravity separation pretreatment which causes difficulty in effective separation of the beneficiation flow due to coexistence of too fine or too coarse mineral particles. The screening is one of the common classification methods, the classification precision is high because the screening is strictly limited according to the size of the set screen aperture, and the existing screening equipment comprises: vibrating screens, drum screens, curved screens, cyclone screens, high-frequency vibrating screens, etc. However, the classification method of the prior art has the following problems:
firstly, the order rule that coarse grains are below and fine grains are above is established in the material flowing process in the feeding process, so that the coarse grains are in contact with a screen surface and a screen hole preferentially, the coarse grains prevent medium grains from being screened out, the medium grains prevent fine grains from being screened out, and the fine grains prevent fine grains from being screened out, so that the screening effect and the efficiency are low.
Secondly, the corresponding ore supply volume in the unit screen width is too large, the ore pulp flowing film is too thick, the abrasion damage to the screen due to positive pressure and impulsive force is large, and the probability that screened particles contact the screen holes is low.
In the screening of the prior art, due to the difference of natural particle size, specific gravity and the like of materials in the feeding process, the materials form an ordered rule in the feeding and flowing process, namely coarse particles and heavy particles are at the lower layer, and light particles and fine particles are at the upper layer, so that the coarse particles and the heavy particles are in contact with the screen mesh surface preferentially, the coarse particles and the heavy particles are separated from the medium particles to be in contact with the screen mesh surface, the medium particles are separated from the light particles and the fine particles to be in contact with the screen mesh surface, and the fine particles have the opportunity to reach the screen mesh surface which is not separated in the vibrating, spraying or flowing process to; meanwhile, the problem of rapid abrasion of the screen mesh at the feeding end can be caused due to the fact that the ore pulp flow film at the feeding end is too thick and the positive pressure scouring force is large; in addition, the unreasonable supply of material also leads to problems of low screen surface utilization, and these problems or defects increase the difficulty of production application.
Disclosure of Invention
Aiming at the technical problems, the invention discloses a potential energy slurry supply feeding-screening method, which overcomes the defects of the prior art, controls light particles and fine particles to preferentially contact screen surface screen holes, and supplies the coarse particles and the heavy particles to the screen surface screen holes after the coarse particles and the heavy particles lag behind the screen surface 1/2 so as to screen the particles difficult to screen. The invention belongs to the technical field of screening and grading in grading technology in the technical field of mineral separation, and can be applied to mineral separation and screening of multi-component particles.
In contrast, the technical scheme adopted by the invention is as follows:
a potential energy slurry feeding-screening method includes dividing ore slurry into multiple strands, feeding each strand of ore to 1/2 where the length of ore is not greater than the length of screen surface, and screening each strand of ore by stepped gradient buffer.
By adopting the technical scheme, the actual ore feeding is divided into two parts: coarse and heavy particles are fed to the end of feeding and enter the screen surface, and fine and light particles enter the screen close to the beginning of feeding, so that a reasonable screening mode of 'screening fine and light particles firstly and screening coarse and heavy particles later' is formed. Meanwhile, as the feeding is divided into a plurality of strands, the width of the screen is effectively utilized, the utilization rate of the screen surface is improved, and feeding parameters such as feeding flow, flow velocity and pressure do not need additional requirements.
The screening method effectively utilizes the screen surface, so that the particles which can penetrate through the screen in the ore pulp can be screened in time, the mineral particles left on the screen surface are greatly reduced, and the light and fine mineral particles are firstly screened, therefore, the screening size fraction requirement can reach 600 ~ 800 meshes, and the screening size fraction of the common wet screening in the prior art is very difficult to reach 400 meshes.
As a further improvement of the invention, each separated ore pulp is fed directly to the screen surface of the screening equipment after being reselected and classified by the reselection equipment.
As a further improvement of the invention, each divided ore feeding strand has a width of 200 ~ 300mm on the screen surface, and the length of each ore feeding strand is 1/2 which is not more than the length of the screen surface.
As a further improvement of the invention, when each divided strand of ore is fed, the included angle between the reference surface of the ore feeding groove and the horizontal plane is 5 ~ 45 degrees, the ore feeding groove is provided with a plurality of buffer surfaces along the length direction of the screen surface, each buffer surface is in stepped connection, and the included angle between each buffer surface and the reference surface of the ore feeding groove is 5 ~ 20 degrees.
As a further improvement of the invention, the width of each feeding groove is 50 ~ 200mm, the depth is 10 ~ 50mm, and the length of each feeding groove is 1/2 which is not more than the length of the screen surface.
As a further improvement of the invention, the feeding chute is repeatedly inclined at the angle of 5 ~ 30 degrees.
As a further improvement of the invention, the distance between the ore feeding groove and the screening surface is 250 ~ 600 mm.
Preferably, the pulp concentration can be equivalent to the feeding pulp concentration of the common wet screening, and the feeding pulp concentration can also be increased to be not more than 60 percent (compared with the feeding pulp concentration of the common wet screening), so that the processing capacity per unit time is improved.
As a further improvement of the invention, the included angle between the screen surface and the horizontal plane is 0 ~ 45 degrees, and by adopting the technical scheme, the screening is conveniently and better carried out.
As a further development of the invention, the screening device is a vibrating screen.
Compared with the prior art, the invention has the beneficial effects that:
by adopting the technical scheme of the invention, ore feeding is divided into multiple strands, the width of the sieve is effectively utilized, the utilization rate of the sieve surface is improved, particles in ore pulp which can penetrate through the sieve are screened in time, mineral particles left on the sieve surface are greatly reduced, light and fine ore particles are firstly screened, the condition that sieve holes are blocked is avoided, the screening efficiency is improved, the one-time screening rate is over 90 percent, the unit time capacity is improved by 50 ~ 300 percent, in addition, the service life of the sieve is prolonged by 30 ~ 200 percent, the particle size range suitable for screening is large, and the minimum screening particle size can reach 600 ~ 800 meshes.
Drawings
FIG. 1 is a schematic side view of a screened feed in accordance with one embodiment of the present invention.
Figure 2 is a schematic top view of a screening feed in accordance with one embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention are described in further detail below.
A potential energy slurry feeding-screening method is disclosed, as shown in figure 1 and figure 2, ore pulp is divided into a plurality of strands, each strand is fed by a feeder and extends to 1/2 of the length direction of a screen surface of a screening device, each strand of ore feeding is screened by stepwise inclined angle reduction buffering, the width of each strand of ore feeding is 200 ~ mm on the screen surface, when each strand of ore feeding is divided, the included angle between a reference surface of an ore feeding groove and the horizontal plane is 5 ~ degrees, the ore feeding groove is provided with a plurality of buffering surfaces along the length direction of the screen surface, the included angle between each buffering surface and the reference surface of the ore feeding groove is 5 ~ degrees, the width of each ore feeding groove is 50 ~ mm, the depth is 10 3650 mm, the length of the ore feeding groove is 1/2 which is not more than the length of the screen surface, the distance between the ore feeding groove and the screen surface is 250 ~ mm, preferably, the ore feeding groove is repeatedly inclined by about 5 ~ degrees, and the included angle between the screen surface and the horizontal plane is ~ degrees.
Preferably, each separated ore pulp is fed to the screen surface of the screening equipment directly after being reselected and classified by the reselection equipment. The screening equipment is a vibrating screen.
Description of the sieving principle:
1. the feeding ore is divided into a plurality of strands, each strand of divided feeding ore occupies the sieving width of 200 ~ 300mm, and the length of each strand of feeding ore is about 1/2 of the length of the sieving surface, so that the actual feeding area is 1/2 of the area of the sieving surface, which is greatly improved compared with the feeding area of general sieving, and the feeding of general sieving is actually transverse or longitudinal linear feeding;
2. the potential energy principle of reselection is fully utilized: the feeding process does not need to be stirred, the pulp homogenization treatment is carried out, the stranded pulp completely follows the potential energy principle that heavy and coarse ores are below and light and fine ores are above in the downward flowing process, the flowing speed of heavy and coarse ore particles in the feeding groove is reduced due to the buffering of multiple inclination angle reduction, so that the light and fine ore particles can be lifted to overflow into the screen at the front end of the feeding, and the heavy and coarse ore particles are lagged to enter the screen at the tail end of the feeding. The screening method completely avoids the defect that the screening is difficult to distinguish when heavy, coarse, light and fine minerals are mixed and fed in the common screening, and realizes the distinguishing screening of firstly screening the light and fine minerals and then screening the heavy and coarse minerals;
3. the buffer for the multiple inclination angle reduction is that the included angle between the reference surface of the ore feeding groove and the horizontal plane is 5 ~ 45 degrees, the included angle between each buffer surface and the reference surface of the ore feeding groove is 5 ~ 20 degrees, the width of each ore feeding groove is 50 ~ 200mm, the depth of each ore feeding groove is 10 ~ 50mm, the length of each ore feeding groove is determined by the length of the screen surface and is about 1/2 of the length of the screen surface, and meanwhile, the ore feeding groove can be repeatedly inclined by adding 5 ~ 30 degrees.
4. The screen surface and the screening assistance have no special requirements on the design of the screen surface of the screening method and the general screening method, the screen surface can be designed into an inclination angle of 0 ~ 45 degrees, and the screen surface can be subjected to vibration with proper strength according to the situation.
5. For practical purposes, the spacing between the feed chute and the screening surface is 250 ~ 600 mm.
6. Concentration of ore pulp: the ore pulp concentration can be equivalent to that of the feeding ore pulp of the common wet screening, and the highest ore pulp concentration of the feeding ore pulp can be increased by not more than 60 percent (compared with that of the feeding ore pulp of the common wet screening). The processing capacity per unit time is improved.
7. Feeding parameters such as feeding flow, flow velocity and pressure do not need additional requirements.
8. As described in fig. 1 and 2, the screening method effectively utilizes the screen surface, particles in ore pulp which can penetrate through the screen are screened in time, mineral particles remained on the screen surface are greatly reduced, and light and fine mineral particles are firstly screened, so that the screening size fraction can reach 600 ~ 800 meshes, and the screening size fraction of the general wet screening is difficult to reach 400 meshes.
Example 1
For certain lead-zinc sulfide ores, the grain size of the ore is required to be about 90 percent of that of a 200-mesh ore, and the ore is required to be screened out and ground again according to the requirement of 150 meshes; the-600 mesh minerals are difficult to sort and need to be screened out. Wherein, 200 mesh represents the sieved mesh, 150 mesh represents the mesh which is not sieved on the screen surface, and the same is applied below. Therefore, the lead-zinc sulfide ore needs to be sieved by two screens of 150 meshes and 600 meshes. The screening method is adopted for screening, the width of each divided ore feeding strand on the screen surface is 200mm, when each divided ore feeding strand is subjected to ore feeding, the included angle between the reference surface of the ore feeding groove and the horizontal plane is 45 degrees, the ore feeding groove is provided with a plurality of buffer surfaces along the length direction of the screen surface, each buffer surface is in stepped connection, and the included angle between each buffer surface and the reference surface of the ore feeding groove is 5 degrees. Each feed chute was 50mm wide and 10mm deep, and the length of the feed chute was 1/2 no greater than the length of the screening surface. The spacing between the ore feeding groove and the screen surface is 250 mm. Preferably, the feed chute is repeatedly inclined at an angle of 5 ° in the left-right direction. The included angle between the screen surface and the horizontal plane is 45 degrees.
Compared with the common vibrating screen, the screening effect of the embodiment is 1 meter, the screen cloth is the standard screen cloth of a certain screen cloth factory in Shanghai, and the two screening methods are equal to each other in the same pulp concentration.
Screening effect:
the normal vibration screening efficiency of the 150-mesh sieve is 85 ~ 92%, the 600-mesh sieve efficiency is 72 ~ 80%, and the actual processing capacity is 2 ~ 3.5.5 t/h, and the potential energy supply slurry feeding-screening method adopted by the invention has the advantages of 92 ~ 98% of 150-mesh sieve efficiency, 88 ~ 95% of 600-mesh sieve efficiency and 4 ~ 7.2.2 t/h of actual processing capacity, so that the screening effect is obviously improved.
Example 2
A certain mineral is subjected to mineral separation by adopting a flotation process, wherein about 85 percent of the mineral with-200 meshes is required, and the mineral with +100 meshes is required to be screened out and then ground; and the-500-mesh minerals are subjected to screening to directly discharge the-500-mesh minerals due to the trace content of the target minerals. Therefore, the screening is actually performed by two 100-500-mesh screens. The screening method of the embodiment 1 is adopted, the difference of the embodiment from the embodiment 1 is that the width of each divided ore feeding strand on the screen surface is 300mm, the included angle between the reference surface of the ore feeding groove and the horizontal plane is 30 degrees when each divided ore feeding strand is fed, the ore feeding groove is provided with a plurality of buffer surfaces along the length direction of the screen surface, each buffer surface is in stepped connection, and the included angle between each buffer surface and the reference surface of the ore feeding groove is 20 degrees. Each feed chute was 200mm wide and 30mm deep, and the length of the feed chute was 1/2 no greater than the length of the screening surface. The spacing between the ore feeding groove and the screen surface is 400 mm. Preferably, the feeding chute is repeatedly inclined at an angle of 30 degrees. The included angle between the screen surface and the horizontal plane is 15 degrees.
Compared with a common vibrating screen, the screening effect is that the width of the screen surface is 1 meter, the used screen is a standard screen of a certain screen factory in Shanghai, and the two screening methods are in the same ratio of the same ore pulp concentration.
The screening effect is that the screening efficiency of a general vibration screening 100-mesh sieve is 86 ~ 94%, the screening efficiency of a 500-mesh sieve is 75 ~ 82%, and the actual processing capacity is 2.5 ~ 4t/h, the potential energy supply pulp feeding-screening method adopted by the invention is 95 ~ 98% of the screening efficiency of the 100-mesh sieve, 92 ~ 96% of the screening efficiency of the 500-mesh sieve, and 5.5 ~ 8t/h of the actual processing capacity, and the screening effect is obviously better than that of the general vibration screening.
Example 3
The screening method of the embodiment 1 is adopted, the width of each divided ore feeding channel on the screen surface is 250mm, the included angle between the reference surface of the ore feeding groove and the horizontal plane is 5 degrees when each divided ore feeding channel is used, the ore feeding groove is provided with a plurality of buffer surfaces along the length direction of the screen surface, each buffer surface is in stepped connection, the included angle between each buffer surface and the reference surface of the ore feeding groove is 15 degrees, the width of each ore feeding groove is 100mm, the depth of each ore feeding groove is 50mm, the length of the ore feeding groove is 1/2 degrees which is not more than the length of the screen surface, the distance between the ore feeding groove and the screen surface is 600mm, the ore feeding groove is preferably inclined repeatedly in a range of 20 degrees, and the included angle between the screen surface and the horizontal plane is 5 degrees.
Compared with a common vibrating screen, the screening effect is that the width of the screen surface is 1 meter, the used screen is a standard screen of a certain screen factory in Shanghai, and the two screening methods are in the same ratio of the same ore pulp concentration.
The screening effect is that the screening efficiency of a common vibration screening 500-mesh sieve is 73 ~ 80%, the actual processing capacity is 3 ~ 4.5.5 t/h, the screening efficiency of the potential energy pulp feeding-screening method 500-mesh sieve is 91 ~ 96%, and the actual processing capacity is 8 ~ 10t/h, so that the screening effect is obviously better than that of the common vibration screening.
Example 4
Certain beneficiation processes require screening through 100, 200, 450 and 600 meshes. The screening method of the embodiment 1 is adopted, the difference of the embodiment from the embodiment 1 is that the width of each divided ore feeding strand on the screen surface is 250mm, the included angle between the reference surface of the ore feeding groove and the horizontal plane is 35 degrees when each divided ore feeding strand is fed, the ore feeding groove is provided with a plurality of buffer surfaces along the length direction of the screen surface, each buffer surface is in stepped connection, and the included angle between each buffer surface and the reference surface of the ore feeding groove is 10 degrees. Each feed chute was 100mm wide and 50mm deep, and the length of the feed chute was 1/2 no greater than the length of the screening surface. The spacing between the ore feeding groove and the screen surface is 400 mm. Preferably, the feeding chute is repeatedly inclined at an angle of 30 degrees. The included angle between the screen surface and the horizontal plane is 10 degrees.
Compared with a common vibrating screen, the screening effect is that the width of the screen surface is 1 meter, the used screen is a standard screen of a certain screen factory in Shanghai, and the two screening methods are in the same ratio of the same ore pulp concentration.
The screening effect is that the screening efficiency of a general vibration screening 100-mesh sieve is 84 ~ 92%, the screening efficiency of a 200-mesh sieve is 80 ~ 88%, the screening efficiency of a 450-mesh sieve is 75 ~ 82%, the screening efficiency of a 600-mesh sieve is 70 ~ 78%, and the actual processing capacity is 2.5 ~ 4 t/h.the potential energy pulp feeding-screening method of the invention is adopted, the screening efficiency of the 100-mesh sieve is 95 ~ 98%, the screening efficiency of the 200-mesh sieve is 95 ~ 97%, the screening efficiency of the 450-mesh sieve is 93 ~ 97%, the screening efficiency of the 600-mesh sieve is 88 ~ 95%, and the actual processing capacity is 5.5 ~ 8 t/h.the screening effect is obviously better than that of the general vibration.
Example 5
Certain beneficiation process requires sieving through 800 meshes. The screening method of the embodiment 1 is adopted, and is different from the embodiment 1 in that the width of each divided ore feeding strand on the screen surface is 200mm, when each divided ore feeding strand is fed, the included angle between the reference surface of the ore feeding groove and the horizontal plane is 30 degrees, the ore feeding groove is provided with a plurality of buffer surfaces along the length direction of the screen surface, each buffer surface is in stepped connection, and the included angle between each buffer surface and the reference surface of the ore feeding groove is 5 degrees. Each feed chute was 80mm wide and 10mm deep, and the length of the feed chute was 1/2 no greater than the length of the screening surface. The spacing between the ore feeding groove and the screen surface is 300 mm. Preferably, the feeding chute is repeatedly inclined at an angle of 10 degrees. The included angle between the screen surface and the horizontal plane is 30 degrees.
Compared with a common vibrating screen, the screening effect is that the width of the screen surface is 1 meter, the used screen is a standard screen of a certain screen factory in Shanghai, and the two screening methods are in the same ratio of the same ore pulp concentration.
The screening effect is that the screening efficiency of general vibration screening is only 30 ~ 40%, the actual processing capacity is 1.2 ~ 2.5.5 t/h, while the screening efficiency of the potential energy pulp feeding-screening method is 82 ~ 90%, and the actual processing capacity is 6 ~ 8t/h, the screening effect is obviously better than that of general vibration screening.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (6)
1. A potential energy pulp feeding-screening method is characterized in that ore pulp is divided into a plurality of strands, each strand of divided ore pulp is fed onto a screen surface of screening equipment directly after being reselected and classified by reselection equipment, each strand of divided ore feed is fed and extends to the screen surface of the screening equipment to 1/2 position which is not larger than the length of the screen surface, each strand of ore feed is screened by a step-type buffer with a reduced inclination angle, coarse and heavy particle materials are fed to a feeding tail end to enter the screen surface, fine and light particles enter the screen near a feeding initial end, an included angle between a reference surface of an ore feeding groove and a horizontal plane is 5 ~ 45 degrees when each strand of divided ore feed is carried out, the ore feeding groove is provided with a plurality of buffer surfaces along the length direction of the screen surface, the included angle between each buffer surface and the reference surface of the ore feeding groove is 5 ~ 20 degrees, and the ore feeding groove is repeatedly inclined left and right at the amplitude of 5 ~ 30 degrees.
2. A potential energy pulp feeding-screening method as claimed in claim 1, wherein each of said divided ore feeds has a width of 200 ~ 300mm on the screen surface and a length of 1/2 mm which is not greater than the length of the screen surface.
3. A potential energy slurry feeding-screening method according to claim 1, characterized in that each of the feeder grooves has a width of 50 ~ 200mm and a depth of 10 ~ 50mm, and the length of the feeder groove is no more than 1/2 the length of the screening surface.
4. A potential energy slurry feeding-screening method according to claim 3, characterized in that the spacing between the feeding chute and the screening surface is 250 ~ 600 mm.
5. A potential energy pulp feeding-screening method as claimed in claim 1 ~ 4, wherein the angle between the screen surface and the horizontal plane is 0 ~ 45 °.
6. A potential energy pulp feeding-screening method according to claim 1 ~ 4, wherein the screening device is a vibrating screen.
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| CN201710313238.3A CN107096710B (en) | 2017-05-05 | 2017-05-05 | Potential energy slurry supply feeding-screening method |
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| CN201710313238.3A CN107096710B (en) | 2017-05-05 | 2017-05-05 | Potential energy slurry supply feeding-screening method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005519757A (en) * | 2002-04-08 | 2005-07-07 | インコ、リミテッド | Trommel |
| CN202028536U (en) * | 2011-03-17 | 2011-11-09 | 鞍钢集团矿业公司 | Slag removing device in mineral processing flowsheet |
| CN202621453U (en) * | 2012-04-25 | 2012-12-26 | 江西稀有金属钨业控股集团有限公司 | Feed buffer device of vibrating screen |
| CN104858046A (en) * | 2015-06-09 | 2015-08-26 | 长春黄金研究院 | Wet sieve device for mineral particle separation |
| CN205288661U (en) * | 2016-01-05 | 2016-06-08 | 江西省恒诚选矿设备有限公司 | Novel shaking table bed surface for ore dressing |
-
2017
- 2017-05-05 CN CN201710313238.3A patent/CN107096710B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005519757A (en) * | 2002-04-08 | 2005-07-07 | インコ、リミテッド | Trommel |
| CN202028536U (en) * | 2011-03-17 | 2011-11-09 | 鞍钢集团矿业公司 | Slag removing device in mineral processing flowsheet |
| CN202621453U (en) * | 2012-04-25 | 2012-12-26 | 江西稀有金属钨业控股集团有限公司 | Feed buffer device of vibrating screen |
| CN104858046A (en) * | 2015-06-09 | 2015-08-26 | 长春黄金研究院 | Wet sieve device for mineral particle separation |
| CN205288661U (en) * | 2016-01-05 | 2016-06-08 | 江西省恒诚选矿设备有限公司 | Novel shaking table bed surface for ore dressing |
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