CN210121526U - Ore dressing device for regrinding tailings - Google Patents
Ore dressing device for regrinding tailings Download PDFInfo
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- CN210121526U CN210121526U CN201920413778.3U CN201920413778U CN210121526U CN 210121526 U CN210121526 U CN 210121526U CN 201920413778 U CN201920413778 U CN 201920413778U CN 210121526 U CN210121526 U CN 210121526U
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Abstract
The utility model discloses a mineral processing device of tailing regrinding relates to mineral processing equipment's technical field, and the main objective provides a can improve the mineral processing device of tailing rate of recovery. The utility model discloses a main technical scheme does: a beneficiation plant for tailings regrinding, comprising: the first grading mechanism is provided with a feeding hole, one end of a first discharging pipe is connected to the first grading device, the other end of the first discharging pipe is connected to the ore grinding device and used for conveying underflow ore pulp to the ore grinding device, and a second discharging pipe is connected to the first grading device and used for discharging overflow ore pulp; and one end of the first feeding pipe is connected with the ore grinding device, the other end of the first feeding pipe is connected with the second grading device, one end of the third discharging pipe is connected with the second grading device, the other end of the third discharging pipe is connected with the ore grinding device and used for conveying underflow ore pulp to the ore grinding device, and the fourth discharging pipe is connected with the second grading device and used for discharging overflow ore pulp. The utility model discloses the ore dressing of mainly used gold tailing.
Description
Technical Field
The utility model relates to a technical field of mineral processing equipment especially relates to a ore dressing device that tailing reground.
Background
Gold is a precious metal, and the simple substance of gold is solid at room temperature, high in density, soft, bright and corrosion-resistant, and the ductility of the simple substance is the highest among the known metals. Gold does not react chemically with most chemicals, but can be attacked by chlorine, fluorine, aqua regia and cyanide. Gold is soluble in mercury and nitric acid, which is capable of dissolving silver and base metals, is not capable of dissolving gold.
The existing process flow mainly comprises the steps of crushing the raw ore to form ore, and then grinding twice and grading twice to obtain ore pulp with ideal fineness.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a dressing device that tailing reground, the main objective provides a dressing device that can improve the tailing rate of recovery.
In order to achieve the above object, the utility model mainly provides the following technical scheme:
the embodiment of the utility model provides a mineral processing device that tailing reground, the device includes:
the first grading mechanism comprises a first grading device, a first discharging pipe and a second discharging pipe, the first grading device is provided with a feeding hole and used for introducing flotation tailings into the first grading device, one end of the first discharging pipe is connected to the first grading device, the other end of the first discharging pipe is connected to the ore grinding device and used for conveying underflow ore pulp to the ore grinding device, and the second discharging pipe is connected to the first grading device and used for discharging overflow ore pulp;
second grading mechanism, second grading mechanism includes the second grading plant, and row's pipe is arranged to first inlet pipe, third and fourth, the one end of first inlet pipe connect in ore grinding device, the other end connect in the second grading plant is used for with the ore pulp that ore grinding device handled is carried to the second grading plant, the one end of row's pipe of third connect in the second grading plant, the other end connect in ore grinding device, be used for to ore grinding device carries underflow ore pulp, the row's of fourth pipe connect in the second grading plant for discharge overflow ore pulp.
Further, tailing pump and dry row device, the one end of tailing pump connect in the second is arranged the material pipe, and the other end connect in dry row device is used for taking off the moisture of overflow ore pulp.
Further, the flotation device is connected to the fourth discharging pipe and used for receiving overflow ore pulp generated by the second classification device.
Further, the flotation device includes first flotation device and second flotation device, first flotation device has first end, second end and third end, first end connect in the fourth is arranged the material pipe for receive the overflow ore pulp that the second grading plant produced, the second end connect in the tailing pump for let in the flotation tailing pump, the third end connect in the second flotation device for let in the flotation concentrate the second flotation device.
Further, the metering component is arranged at the feeding hole and used for metering the flow of the flotation tailings.
Further, the ore grinding device is a ball mill.
Further, the first classification device and the second classification device are both cyclones.
Compared with the prior art, the utility model discloses following technological effect has:
the embodiment of the utility model provides an among the technical scheme, first grading plant's effect is to carry out the classification to the flotation tailing, first grading plant has the feed inlet, be used for letting in the flotation tailing to first grading plant, the one end of first discharge tube is connected in first grading plant, the other end is connected in the ore grinding device, first grading plant forms overflow ore pulp and underflow ore pulp with the flotation tailing in grades, first discharge tube carries the underflow ore pulp to the ore grinding device, the ore grinding device grinds the underflow ore pulp, obtain the ore pulp, the connection of second discharge tube is in first grading plant, be used for discharging overflow ore pulp, overflow ore pulp dewaters through the dry row equipment and obtains the slay, and transport to in the tailing storehouse; the second grading device is used for grading ore pulp, one end of the first feeding pipe is connected with the ore grinding device, the other end of the first feeding pipe is connected with the second grading device, the second grading device grades the ore pulp to form overflow ore pulp and underflow ore pulp, the first feeding pipe conveys the ore pulp to the second grading device, one end of the third discharging pipe is connected with the second grading device, the other end of the third discharging pipe is connected with the ore grinding device and is used for conveying the underflow ore pulp to the ore grinding device, the fourth discharging pipe is connected with the second grading device and is used for discharging the overflow ore pulp, then the overflow ore pulp is subjected to flotation to obtain gold concentrate, compared with the prior art, the prior mode is that the recovery rate of flotation is improved by increasing the ore grinding fineness of raw ore, because the content of gold in the tailings is less, the energy consumption of ore dressing can be increased while the ore grinding fineness of the raw ore is improved, and the, the embodiment of the utility model provides an in, through carrying out twice classification operation to the flotation tailing, can effectual reduction grind the energy resource consumption of operation, simultaneously, can improve the rate of recovery in grind fineness and flotation stage to, let in the flotation process of raw ore with the flotation concentrate that one-level flotation process produced, carry out the concentrate and reselect, not only can reduce the energy resource consumption that the tailing was handled, can also improve the grade of tailing reselection, reach the technological effect that improves the rate of recovery of gold raw ore.
Drawings
Fig. 1 is a schematic structural diagram of a beneficiation device for regrinding first tailings provided in this embodiment;
fig. 2 is a schematic structural diagram of a beneficiation device for regrinding second tailings provided in this embodiment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1 and fig. 2, the embodiment of the utility model provides a still provides a dressing device of tailing regrinding, and the device includes:
the first classification mechanism comprises a first classification device 110, a first discharge pipe 120 and a second discharge pipe 130, the first classification device 110 is provided with a feed inlet and is used for introducing flotation tailings into the first classification device 110, one end of the first discharge pipe 120 is connected to the first classification device 110, the other end of the first discharge pipe is connected to the ore grinding device 30 and is used for conveying underflow ore pulp to the ore grinding device 30, and the second discharge pipe 130 is connected to the first classification device 110 and is used for discharging overflow ore pulp;
and the second grading mechanism comprises a second grading device 210, a first feeding pipe 220, a third discharging pipe 230 and a fourth discharging pipe 240, one end of the first feeding pipe 220 is connected to the ore grinding device 30, the other end of the first feeding pipe is connected to the second grading device 210 and used for conveying ore pulp processed by the ore grinding device 30 to the second grading device 210, one end of the third discharging pipe 23 is connected to the second grading device 210, the other end of the third discharging pipe is connected to the ore grinding device 30 and used for conveying underflow ore pulp to the ore grinding device 30, and the fourth discharging pipe 240 is connected to the second grading device 210 and used for discharging overflow ore pulp.
The embodiment of the utility model provides an among the technical scheme, first grading plant 110's effect is to carry out the classification to the flotation tailing, first grading plant 110 has the feed inlet, be used for letting in the flotation tailing to first grading plant 110, the one end of first discharge tube 120 is connected in first grading plant 110, the other end is connected in ore grinding device 30, first grading plant 110 forms overflow ore pulp and underflow ore pulp with the flotation tailing in grades, first discharge tube 12 carries the underflow ore pulp to ore grinding device 30, ore grinding device 30 grinds the underflow ore pulp, obtain the ore pulp, the connection of second discharge tube 130 is in first grading plant 110, be used for discharging overflow ore pulp, overflow ore pulp dewaters through the dry row equipment and obtains the slay, and transport to in the tailing storehouse; the second grading device 210 is used for grading ore pulp, one end of the first feeding pipe 220 is connected to the ore grinding device 30, the other end of the first feeding pipe is connected to the second grading device 210, the second grading device 210 grades the ore pulp to form overflow ore pulp and underflow ore pulp, the first feeding pipe 22 conveys the ore pulp to the second grading device 210, one end of the third discharging pipe 230 is connected to the second grading device 210, the other end of the third discharging pipe is connected to the ore grinding device 30 and is used for conveying the underflow ore pulp to the ore grinding device, the fourth discharging pipe 240 is connected to the second grading device 210 and is used for discharging the overflow ore pulp, and then the overflow ore pulp is subjected to flotation to obtain gold concentrate. Thereby improve the manufacturing cost of gold concentrate greatly, the embodiment of the utility model provides an in, through carrying out twice classification operation to the flotation tailing, can effectual reduction grind the energy resource consumption of operation, simultaneously, can improve the rate of recovery in grind fineness and flotation stage to, let in the flotation process of raw ore with the flotation concentrate that one-level flotation process produced, carry out the concentrate and reselect, not only can reduce the energy resource consumption that the tailing was handled, can also improve the grade of tailing reselection, reach the technological effect who improves the rate of recovery of gold raw ore.
The first classification mechanism is used for classifying the flotation tailings, reducing the energy consumption of the ore grinding device 30 and improving the ore grinding fineness of the ore grinding device 30, and comprises a first classification device 110, a first discharge pipe 120 and a second discharge pipe 130, wherein the first classification device 110 is provided with a feed inlet for introducing the flotation tailings into the first classification device 110, one end of the first discharge pipe 120 is connected to the first classification device 110, the other end of the first discharge pipe is connected to the ore grinding device 30 and used for conveying underflow ore pulp to the ore grinding device 30, and the second discharge pipe 130 is connected to the first classification device 110 and used for discharging overflow ore pulp; the second grading mechanism is used for grading the ore pulp processed by the ore grinding device 30 again, so that overflow ore pulp containing gold enters the flotation device, while the underflow ore pulp contains more impurities and returns to the ore grinding device 30 for ore grinding, and comprises a second grading device 210, a first feeding pipe 220, a third discharging pipe 230 and a fourth discharging pipe 240, one end of the first feeding pipe 220 is connected with the ore grinding device 30, the other end of the first feeding pipe is connected with the second grading device 210, and is used for conveying the ore pulp processed by the ore grinding device 30 to the second grading device 210, one end of the third discharging pipe 230 is connected with the second grading device 210, the other end of the third discharging pipe is connected with the ore grinding device 30, and is used for conveying the underflow ore pulp to the ore grinding device 30, the fourth discharging pipe 240 is connected with the second grading device 210, and is used for discharging the overflow ore pulp, and the gold raw ore is subjected to ore grinding, grading and flotation treatment to obtain flotation tailings and gold concentrate, the flotation gold concentrate enters a subsequent flow, flotation tailings enter a first grading device 110 through a feed inlet to form overflow pulp and underflow pulp, the overflow pulp generally enters a dry discharge device 50 through a second discharge pipe 130, the overflow pulp is dewatered by the dry discharge device 50 and then enters a tailing pond, the underflow pulp enters an ore grinding device 30 through a first discharge pipe 120, the underflow pulp is ground by the ore grinding device 30 to obtain pulp, the ore grinding device 30 ensures that the content of ore powder with the fineness of less than 200 meshes reaches 85%, the pulp enters a second grading device 210 through a first feed pipe 220, the second grading device 210 grades the pulp to obtain overflow pulp and underflow pulp, the underflow pulp returns to the ore grinding device 30 through a third discharge pipe 230 to be ground continuously, and the overflow pulp enters a subsequent flotation process through a fourth discharge pipe 240, in the embodiment, the flotation tailings are subjected to twice classification operation, so that the energy consumption of the grinding operation can be effectively reduced, the grinding fineness and the recovery rate in the flotation stage can be improved, and the flotation concentrate generated in the first-stage flotation process is introduced into the flotation process of the raw ore to perform concentrate recleaning, so that the energy consumption of tailing treatment can be reduced, the grade of tailing recleaning can be improved, and the technical effect of improving the recovery rate of the gold raw ore can be achieved.
Further, as shown in fig. 1 and 2, a tailing pump 40 and a dry discharging device 50 are added, one end of the tailing pump 40 is connected to the second discharging pipe 130, and the other end is connected to the dry discharging device 50 for dewatering the overflow pulp. In the embodiment, the tailing pump 40 and the dry discharging device 50 are added, the tailing pump 4 is used for introducing the overflow ore pulp 2 into the dry discharging device 50 from the second discharging pipe 130, the dry discharging device 50 is used for dewatering the overflow ore pulp 2 to obtain the slag, the slag enters the tailing pond, the dry discharging device 50 is used for performing dry discharging treatment on the tailings, the dry discharging of the tailings refers to that the tailing pulp output by the mineral separation process is subjected to multi-stage concentration and then is treated by high-efficiency dewatering equipment such as a dewatering vibrating screen and the like to form slag which is small in water content, easy to precipitate and solidify and stored in a site, the slag can be transported to a fixed site for dry storage, and the dry discharging treatment on the tailings can relieve the capacity pressure of the tailing pond and reduce the potential safety hazard of the tailing pond.
Further, as shown in fig. 1 and 2, a flotation device 60 is added, and the flotation device 60 is connected to a fourth discharge pipe 240 for receiving overflow slurry produced by the second classification device 210. In this embodiment, a flotation device 60 is added, the flotation device 60 is used for performing flotation treatment on the overflow ore pulp 5 to obtain flotation tailings 7 and flotation concentrate 8, in general, the flotation tailings 7 are also subjected to dehydration treatment through a dry discharging device 50 to obtain slag, the slag enters a tailings pond, and the flotation concentrate 8 returns to the flotation device 60 of the gold raw ore for re-separation, so as to further improve the grade of the gold concentrate.
Further, as shown in fig. 2, the flotation device comprises a first flotation device 610 and a second flotation device 620, the first flotation device 610 has a first end, a second end and a third end, the first end is connected to the fourth discharge pipe 240 for receiving the overflow slurry produced by the second classification device 210, the second end is connected to the tailings pump 40 for passing the flotation tailings into the tailings pump 40, and the third end is connected to the second flotation device 620 for passing the flotation concentrate into the second flotation device 620. In this embodiment, a flotation device is further defined, the first flotation device 610 is used for performing flotation processing on the overflow ore pulp generated by the second classification device 210 to obtain flotation tailings and flotation concentrate, the flotation tailings enter the dry discharge device 50 through the tailings pump 40, the dry discharge device 50 performs dewatering processing on the flotation tailings to obtain slag, the slag enters the tailings pond, the flotation concentrate enters the second flotation device 620, and the second flotation device 620 is generally arranged in the processing equipment of the gold raw ore, that is, the flotation concentrate enters the flotation device of the gold raw ore, and the flotation concentrate is re-selected through the flotation process of the gold raw ore, so as to achieve the technical effect of improving the grade of the gold concentrate.
Further, as shown in fig. 2, a metering member 70 is added, and the metering member 70 is arranged at the feeding port and used for metering the flow rate of the flotation tailings. The metering component 70 is added, and the metering component 70 is used for carrying out other metering on the flow of the flotation tailings entering the first classification device 110, so that the flow condition of the flotation tailings is conveniently monitored and counted; optionally, a valve may be provided between the inlet and the metering member 70 for controlling the opening or closing of the inlet.
Further, the ore grinding device 30 is a ball mill. The ball mill is composed of horizontal cylinder, hollow feeding and discharging shaft and grinding head, the cylinder is long cylinder, the grinding body is installed in the cylinder, the cylinder is made of steel plate, and is fixed with the cylinder by steel lining plate, the grinding body is generally steel ball, and is loaded into the cylinder according to different diameters and a certain proportion, the grinding body can also be steel section. The material is selected according to the granularity of the grinding material, the material is loaded into the barrel body from the hollow shaft at the feeding end of the ball mill, when the ball mill barrel body rotates, the grinding body is attached to the lining plate of the barrel body and taken away by the barrel body under the action of inertia and centrifugal force and friction force, when the grinding body is taken to a certain height, the grinding body is thrown off under the action of the gravity of the grinding body, and the falling grinding body breaks the material in the barrel body like a projectile body. The materials are fed into the first bin of the mill by a feeding device through a hollow shaft, and the bin is internally provided with a stepped lining plate or a corrugated lining plate which is internally provided with steel balls of various specifications, and the steel balls are driven to fall down after being driven to a certain height by the centrifugal force generated by the rotation of a cylinder body, so that the materials are impacted and ground. After the material reaches rough grinding in the first bin, the material enters the second bin through the single-layer bin partition plate, the flat lining plate is inlaid in the bin, the steel ball is arranged in the bin, and the material is further ground. The powder is discharged through the discharging grate plate to finish the grinding operation.
Further, the first classification device 110 and the second classification device 210 are both cyclones. In this embodiment, the first classification device 110 and the second classification device 210 are further defined, the first classification device 110 and the second classification device 210 are both cyclones, which are a common separation and classification device, and strong three-dimensional elliptical strong rotational shear turbulent motion is generated after two-phase mixed liquid to be separated enters the cyclones tangentially from the periphery of the cyclones under certain pressure. Because the particle size difference exists between the coarse particles and the fine particles, the coarse particles and the fine particles are subjected to different sizes of centrifugal force, centripetal buoyancy, fluid drag force and the like, and under the action of centrifugal sedimentation, most of the coarse particles are discharged through a bottom flow port of the cyclone, and most of the fine particles are discharged through an overflow pipe, so that the purposes of separation and classification are achieved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A dressing device for regrinding tailings is characterized by comprising:
the first grading mechanism comprises a first grading device, a first discharging pipe and a second discharging pipe, the first grading device is provided with a feeding hole and used for introducing flotation tailings into the first grading device, one end of the first discharging pipe is connected to the first grading device, the other end of the first discharging pipe is connected to the ore grinding device and used for conveying underflow ore pulp to the ore grinding device, and the second discharging pipe is connected to the first grading device and used for discharging overflow ore pulp;
second grading mechanism, second grading mechanism includes the second grading plant, and row's pipe is arranged to first inlet pipe, third and fourth, the one end of first inlet pipe connect in ore grinding device, the other end connect in the second grading plant is used for with the ore pulp that ore grinding device handled is carried to the second grading plant, the one end of row's pipe of third connect in the second grading plant, the other end connect in ore grinding device, be used for to ore grinding device carries underflow ore pulp, the row's of fourth pipe connect in the second grading plant for discharge overflow ore pulp.
2. The beneficiation apparatus according to claim 1, further comprising:
the tailing pump and the dry discharging device, the one end of tailing pump connect in the second is arranged the material pipe, and the other end connect in the dry discharging device for take off the moisture of overflow ore pulp.
3. The beneficiation apparatus according to claim 2, further comprising:
and the flotation device is connected to the fourth discharging pipe and is used for receiving the overflow ore pulp generated by the second classification device.
4. The beneficiation plant according to claim 3,
the flotation device includes first flotation device and second flotation device, first flotation device has first end, second end and third end, first end connect in the fourth is arranged the material pipe, is used for receiving the overflow ore pulp that the second grading plant produced, the second end connect in the tailing pump for let in the tailing pump with the flotation tailing, the third end connect in the second flotation device, be used for letting in the flotation concentrate the second flotation device.
5. The beneficiation apparatus according to any one of claims 1 to 4, further comprising:
and the metering component is arranged at the feeding hole and used for metering the flow of the flotation tailings.
6. The beneficiation plant according to any one of claims 1 to 4,
the ore grinding device is a ball mill.
7. The beneficiation plant according to any one of claims 1 to 4,
the first and second classification devices are cyclones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920413778.3U CN210121526U (en) | 2019-03-29 | 2019-03-29 | Ore dressing device for regrinding tailings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920413778.3U CN210121526U (en) | 2019-03-29 | 2019-03-29 | Ore dressing device for regrinding tailings |
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| CN210121526U true CN210121526U (en) | 2020-03-03 |
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| CN201920413778.3U Active CN210121526U (en) | 2019-03-29 | 2019-03-29 | Ore dressing device for regrinding tailings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939818A (en) * | 2019-03-29 | 2019-06-28 | 阿勒泰正元国际矿业有限公司 | A kind of beneficiation method that tailing is regrinded and device |
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2019
- 2019-03-29 CN CN201920413778.3U patent/CN210121526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939818A (en) * | 2019-03-29 | 2019-06-28 | 阿勒泰正元国际矿业有限公司 | A kind of beneficiation method that tailing is regrinded and device |
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