CN215389936U - High-density separated non-pressure two-product mining heavy medium cyclone - Google Patents
High-density separated non-pressure two-product mining heavy medium cyclone Download PDFInfo
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- CN215389936U CN215389936U CN202122175004.1U CN202122175004U CN215389936U CN 215389936 U CN215389936 U CN 215389936U CN 202122175004 U CN202122175004 U CN 202122175004U CN 215389936 U CN215389936 U CN 215389936U
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Abstract
The utility model relates to the technical field of dense medium separation, in particular to a high-density separated non-pressure two-product mining dense medium cyclone, which is provided with a first-section cyclone and a second-section cyclone and is characterized in that the first-section cyclone is obliquely arranged above the second-section cyclone, the first-section cyclone comprises a first-section cylindrical tube, a first-section conical tube, a qualified medium feeding tube, a first-section overflow tube and a connecting tube, the second-section cyclone comprises a second-section cylindrical tube, a second-section conical tube, a second-section overflow tube, a second-section underflow tube and a second-section feeding tube, the bottom side surface of the first-section conical tube is sealed, the bottom side surface of the first-section conical tube is connected with the second-section cylindrical tube of the second-section cyclone through the connecting tube, the end part of the second-section cylindrical tube is communicated with the second-section overflow tube, the end part of the second-section conical tube is communicated with the second-section feeding tube, the device has the advantages of simple structure, good sorting index, low cost, realization of low-density and medium-high-density sorting and the like.
Description
Technical Field
The utility model relates to the technical field of dense medium separation, in particular to a high-density separation non-pressure two-product mining dense medium cyclone with simple structure, good separation index and low cost.
Background
As is known, along with the aggravation of poor, miscellaneous and poor situations of mineral resources, the traditional grinding and floating process is difficult to adapt to mineral processing requirements, 20-70% of tailings can be directly thrown out by the gravity separation process under a proper dissociation degree, and the coarse concentrate after tailing throwing enters the grinding and floating process, so that the flotation effect is greatly improved. At present, the separation of dense media is the mineral separation means with the highest separation precision in the gravity separation, and the separation method of dense media is mature day by day in the technical field of coal separation and is widely applied. In recent years, the method has been applied to the field of mineral separation, such as barite, fluorite, lead-zinc ore, tungsten ore and other ores.
At present, a pressurized two-product dense-medium cyclone is applied to ore separation more, the product structure is optimized more perfectly, but for larger ores which are low in hardness and easy to crush, such as spodumene, fluorite, barite and the like, the larger ores are easy to crush by a pump in the conveying process, the content of secondary slime is increased, so that the index and the economic benefit of dense-medium separation are influenced, and the current ore dressing market only needs to realize the separation of two products, namely fine products and tailings; in the dense medium separation process, the separation density of the dense medium suspension determines the specific gravity limit of the separated ore, and the ore with higher specific gravity needs to be configured with higher density of the combined medium, however, the problems of high preparation difficulty of the dense medium suspension, complex subsequent medium purification process, high medium consumption and the like are also the main reasons for the slow popularization of the dense medium separation in the ore separation field.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide the high-density separation pressureless two-product mining dense medium cyclone which is simple in structure, good in separation index and low in cost.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
a high-density separated non-pressure two-product mining heavy medium cyclone is provided with a first-section cyclone and a second-section cyclone, and is characterized in that the first-section cyclone is obliquely arranged above the second-section cyclone, the first-section cyclone comprises a first-section cylindrical tube, a first-section conical tube, a qualified medium feeding pipe, a first-section overflow pipe and a connecting pipe, the second-section cyclone comprises a second-section cylindrical tube, a second-section conical tube, a second-section overflow pipe, a second-section underflow pipe and a second-section feeding pipe, the first-section cylindrical tube in the first-section cyclone is connected with the first-section conical tube, the side surface of the first-section cylindrical tube is connected with the qualified medium feeding pipe, the top of the first-section cylindrical tube is connected with the first-section overflow pipe, the bottom of the first-section conical tube is closed, the side surface of the bottom of the first-section conical tube is connected with the second-section cylindrical tube of the second-section cyclone through the connecting pipe, and the second-section cylindrical tube is connected with the second-section conical tube, the end part of the second-section cylindrical tube is communicated with a second-section overflow tube, the side surface of the end part of the second-section conical tube is communicated with a second-section underflow tube, and the end part of the second-section conical tube is communicated with a second-section feeding tube.
The two-section cylindrical barrel and the two-section conical barrel of the two-section cyclone are inclined, the two-section cylindrical barrel is arranged at the lower side, the two-section conical barrel is arranged at the upper side, and the axes of the two-section cylindrical barrel and the two-section conical barrel form an included angle of 10-30 degrees with the horizontal plane.
The two-section feeding pipe at the end part of the two-section conical cylinder is communicated with the feeding body through the upper bent pipe, and the opening of the feeding body faces upwards through the upper bent pipe, so that feeding is facilitated.
The two-section overflow pipe at the end part of the two-section cylindrical barrel is connected with the lower bent pipe, so that the discharging is facilitated.
The cone angle of the cone cylinder of the first-section cyclone is 20-90 degrees, and mainly realizes the concentration of low-density media, and the cone angle of the cone cylinder of the second-section cyclone is 20-120 degrees, and mainly realizes the high-density separation of two non-pressure products by utilizing the condensed medium.
The ratio of the diameter of the cylindrical barrel of the first-stage cyclone to the diameter of the cylindrical barrel of the second-stage cyclone is 1.5: 1.
The connecting pipe is connected with the first section of conical cylinder and the second section of cylindrical cylinder in a tangent mode, so that blockage is prevented, and smooth discharge is guaranteed.
The depth of the second-stage feed pipe of the second-stage cyclone inserted into the second-stage conical cylinder is 3-10 cm, and the feeding effect is guaranteed.
By adopting the structure, the utility model has the advantages of simple structure, good sorting index, low cost, realization of low-density and medium-density sorting and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in the attached drawing, the high-density separated non-pressure two-product mining heavy medium cyclone is provided with a first-section cyclone 1 and a second-section cyclone 2, and is characterized in that the first-section cyclone 1 is obliquely arranged above the second-section cyclone 2, the first-section cyclone 1 comprises a first-section cylindrical tube 3, a first-section conical tube 4, a qualified medium feeding tube 5, a first-section overflow tube 6 and a connecting tube 7, the second-section cyclone 2 comprises a second-section cylindrical tube 8, a second-section conical tube 9, a second-section overflow tube 10, a second-section underflow tube 11 and a second-section feeding tube 12, the first-section cylindrical tube 3 in the first-section cyclone 1 is connected with the first-section conical tube 4, the side surface of the first-section cylindrical tube 3 is connected with the qualified medium feeding tube 5, the top of the first-section cylindrical tube 3 is connected with the first-section overflow tube 6, the bottom of the first-section conical tube 4 is closed, the side surface of the bottom of the first-section conical tube 4 is connected with the second-section cylindrical tube 8 of the second-section cyclone 2 through the connecting tube 7, the two-section cylindrical barrel 8 is connected with the two-section conical barrel 9, the end part of the two-section cylindrical barrel 8 is communicated with the two-section overflow pipe 10, the side surface of the end part of the two-section conical barrel 9 is communicated with the two-section underflow pipe 11, and the end part of the two-section conical barrel 9 is communicated with the two-section feeding pipe 12.
Further, a second-section cylindrical barrel 8 and a second-section conical barrel 9 of the second-section swirler 2 are inclined, the second-section cylindrical barrel 8 is arranged on the lower side, the second-section conical barrel 9 is arranged on the upper side, and the axial lines of the second-section cylindrical barrel 8 and the second-section conical barrel 9 form an included angle of 10-30 degrees with the horizontal plane.
Further, the two-stage feeding pipe 12 at the end of the two-stage conical cylinder 9 is communicated with a feeding body 14 through an upper elbow 13, and the upper elbow 13 enables the opening of the feeding body 14 to face upwards, so that feeding is facilitated.
Further, a second-section overflow pipe 10 at the end part of the second-section cylindrical barrel 8 is connected with a lower bent pipe 15, so that the material can be discharged conveniently.
Furthermore, the cone angle of the cone cylinder of the first-stage cyclone 1 is 20-90 degrees, the concentration of low-density media is mainly realized, the cone angle of the cone cylinder of the second-stage cyclone 2 is 20-120 degrees, and the high-density separation of two non-pressure products is mainly realized by utilizing the medium combination after the concentration.
Further, the ratio of the diameter of the cylindrical barrel of the first-stage cyclone 1 to the diameter of the cylindrical barrel of the second-stage cyclone 2 is 1.5: 1.
Furthermore, the connecting pipe 7 is connected with the first section of conical cylinder 4 and the second section of cylindrical cylinder 8 in a tangent mode, so that blockage is prevented, and smooth discharge is guaranteed.
Furthermore, the depth of the second-stage feeding pipe 12 of the second-stage cyclone 2 inserted into the second-stage conical cylinder 9 is 3-10 cm, and the feeding effect is guaranteed.
When the utility model is used, qualified medium feeding pipe 5 on a first section of cylinder 3 of a first section of swirler 1 enters low-density qualified medium, the qualified medium is concentrated by the first section of swirler 1, the combined medium with lower density is discharged from a first section of overflow pipe 6 after the combined medium is concentrated, the qualified medium with high density enters a second section of cylinder 8 of a second section of swirler 2 through a connecting pipe 7, the sorted ore enters the second section of swirler 2 through a feeding body 14, an upper bent pipe 13 and a second section of feeding pipe 12 in a non-pressure feeding mode, the sorted tailings are discharged through a second section of overflow pipe 10 of the second section of swirler 2, the discharged product is a tailing product, the sorted concentrate is discharged from a second section of underflow pipe 11 of the second section of swirler 2, and the discharged product is a concentrate product.
The qualified medium feeding pipe 5 of the first-stage cyclone 1 adopts a volute type feeding mode, the second-stage underflow pipe 11 of the second-stage cyclone 2 discharges materials in a tangent mode, and the qualified medium feeding pipe has the advantages that the qualified medium feeding pipe enters the second-stage cyclone 2 after being concentrated by a medium: only need dispose the low density and close the medium and just can accomplish the high density and select separately, the high density dense medium suspension preparation degree of difficulty is big, and the mobility is relatively poor, and suspension is unstable, can accomplish the selection of high density ore, like the barite, the high density closes the medium and can make pipeline and pump wearing and tearing serious, and follow-up medium purification process is complicated and the medium consumes highly, consequently the wearing and tearing of having avoided pipeline and pump of low density, reduce cost, the advantage of the two-stage section non-pressure feed of this patent: the separation of two products without pressure of fragile ores can be directly finished in the second-stage cyclone 2, the abrasion of the first-stage cyclone 1 and secondary slime generated in the first-stage cyclone 1 are reduced, and the problem of density fluctuation of a combined medium suspension caused by feeding can be reduced.
Claims (8)
1. A high-density separated non-pressure two-product mining heavy medium cyclone is provided with a first-section cyclone and a second-section cyclone, and is characterized in that the first-section cyclone is obliquely arranged above the second-section cyclone, the first-section cyclone comprises a first-section cylindrical tube, a first-section conical tube, a qualified medium feeding pipe, a first-section overflow pipe and a connecting pipe, the second-section cyclone comprises a second-section cylindrical tube, a second-section conical tube, a second-section overflow pipe, a second-section underflow pipe and a second-section feeding pipe, the first-section cylindrical tube in the first-section cyclone is connected with the first-section conical tube, the side surface of the first-section cylindrical tube is connected with the qualified medium feeding pipe, the top of the first-section cylindrical tube is connected with the first-section overflow pipe, the bottom of the first-section conical tube is closed, the side surface of the bottom of the first-section conical tube is connected with the second-section cylindrical tube of the second-section cyclone through the connecting pipe, and the second-section cylindrical tube is connected with the second-section conical tube, the end part of the second-section cylindrical tube is communicated with a second-section overflow tube, the side surface of the end part of the second-section conical tube is communicated with a second-section underflow tube, and the end part of the second-section conical tube is communicated with a second-section feeding tube.
2. The high-density separated pressureless two-product mining dense medium cyclone as claimed in claim 1, wherein the two-stage cyclone has a two-stage cylindrical tube and a two-stage conical tube inclined, the two-stage cylindrical tube is arranged at the lower side, the two-stage conical tube is arranged at the upper side, and the axes of the two-stage cylindrical tube and the two-stage conical tube form an included angle of 10-30 degrees with the horizontal plane.
3. The dense medium cyclone as claimed in claim 1, wherein the two-stage feeding pipe at the end of the two-stage conical cylinder is connected to the feeding body via an upper elbow pipe, and the upper elbow pipe makes the feeding body open upward.
4. The high-density separated pressureless two-product mining dense medium cyclone as claimed in claim 1, wherein a two-section overflow pipe at the end of the two-section cylindrical tube is connected with a lower bend pipe.
5. The high-density separated pressureless two-product mining dense medium cyclone as claimed in claim 1, wherein the cone angle of the cone cylinder of the first cyclone is 20-90 °, and the cone angle of the cone cylinder of the second cyclone is 20-120 °.
6. The high-density classified pressureless two-product mining dense-medium cyclone as claimed in claim 1, wherein the ratio of the diameter of the cylinder of the first cyclone to the diameter of the cylinder of the second cyclone is 1.5: 1.
7. The high-density separated pressureless two-product mining dense medium cyclone as claimed in claim 1, wherein the connecting pipe is connected tangentially with the first section of conical cylinder and the second section of cylindrical cylinder.
8. The high-density separated pressureless two-product mining heavy medium cyclone as claimed in claim 1, wherein the depth of the second-stage feeding pipe inserted into the second-stage conical cylinder is 3-10 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122175004.1U CN215389936U (en) | 2021-09-09 | 2021-09-09 | High-density separated non-pressure two-product mining heavy medium cyclone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122175004.1U CN215389936U (en) | 2021-09-09 | 2021-09-09 | High-density separated non-pressure two-product mining heavy medium cyclone |
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| CN215389936U true CN215389936U (en) | 2022-01-04 |
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| CN202122175004.1U Active CN215389936U (en) | 2021-09-09 | 2021-09-09 | High-density separated non-pressure two-product mining heavy medium cyclone |
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- 2021-09-09 CN CN202122175004.1U patent/CN215389936U/en active Active
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