CN221208431U - Spiral classifier cyclone pre-classification tank structure - Google Patents
Spiral classifier cyclone pre-classification tank structure Download PDFInfo
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- CN221208431U CN221208431U CN202323069029.9U CN202323069029U CN221208431U CN 221208431 U CN221208431 U CN 221208431U CN 202323069029 U CN202323069029 U CN 202323069029U CN 221208431 U CN221208431 U CN 221208431U
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- 210000005056 cell body Anatomy 0.000 claims description 7
- 239000008187 granular material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 33
- 239000002245 particle Substances 0.000 abstract description 27
- 238000000926 separation method Methods 0.000 abstract description 12
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 7
- 239000011707 mineral Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000010419 fine particle Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The utility model belongs to the technical field of solid-liquid separation in the mineral separation industry, and particularly relates to a spiral classifier cyclone pre-classification tank body structure. The utility model comprises a groove body, one end of the groove body is provided with a rotational flow cone, and the utility model is characterized in that: the inside ore pulp overflow space that is of whirl cone, ore pulp overflow space upper portion is provided with half overflow baffle, whirl cone bottom be provided with the macroparticle bin outlet of cell internal intercommunication, whirl cone middle part is less than half overflow baffle position and still merges along the cone circle tangent line and be provided with the inlet pipe. According to the utility model, the material can form a rotational flow in the cone after entering the spiral classifier, large-particle materials are quickly and intensively sunk under the action of centrifugal force, small-particle materials are upwards moved to the overflow port along the edge of the cone, and the large-particle semi-baffle plate is arranged to pre-classify the material entering the spiral classifier, so that the separation effect of the spiral classifier is improved, and the separation production cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of solid-liquid separation in the mineral separation industry, and particularly relates to a spiral classifier cyclone pre-classification tank body structure.
Background
A spiral classifier is one of the devices for mineral separation, and is a device for mechanical classification by the principle that the solid particles differ in specific gravity and thus the speed of sedimentation in a liquid differs. The classifier mainly comprises a transmission device, a spiral body, a groove body, a lifting mechanism and a ore discharge valve. The spiral classifier is widely applied to the operations of classifying ore sand and fine mud in a closed cycle process split-flow ore sand prepared by a ball mill in a mineral separation plant or in a gravity mineral separation plant, classifying ore pulp in a metal mineral separation process, desliming, dewatering and the like in a mineral washing operation.
The ore pulp entering the tank body of the classifier is deposited at the bottom of the tank body, large-particle materials are brought to the upper part of the spiral through the rotation of the spiral blade, and the large-particle materials are returned to the classifier through the return pipe. When the material enters the tank body through the feeding pipe, impact is formed on the raw ore pulp material in the tank body, so that the settled large-particle material easily rolls along the ore pulp under the impact, the settling time is delayed, the classifying particle time of the spiral blade is prolonged, and the classifying efficiency of the spiral classifier is influenced.
Disclosure of utility model
Aiming at the problems, the utility model makes up the defects of the prior art and provides a spiral classifier rotational flow pre-classification tank body structure; according to the utility model, the material can form a rotational flow in the cone after entering the spiral classifier, large-particle materials are quickly and intensively sunk under the action of centrifugal force, small-particle materials are upwards moved to the overflow port along the edge of the cone, and the large-particle semi-baffle plate is arranged to pre-classify the material entering the spiral classifier, so that the separation effect of the spiral classifier is improved, and the separation production cost is reduced.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The utility model provides a spiral classifier whirl presorting cell body structure, includes the cell body, and cell body one end is provided with whirl cone, its characterized in that: the inside ore pulp overflow space that is of whirl cone, ore pulp overflow space upper portion is provided with half overflow baffle, whirl cone bottom be provided with the macroparticle bin outlet of cell internal intercommunication, whirl cone middle part is less than half overflow baffle position and still merges along the cone circle tangent line and be provided with the inlet pipe.
Further, the groove body is provided with a groove body end plate at the other end opposite to the rotational flow cone, and the groove body end plate and the rotational flow cone are connected with groove body side plates serving as two side surfaces of the groove body; the bottom surface of the groove body is provided with a groove body bottom plate.
Further, the spacing of the side plates of the tank body increases stepwise with the distance from the cyclone cone.
The utility model has the beneficial effects of.
According to the utility model, the material ore pulp is rotated in the cone through feeding the ore pulp into the pre-classification groove body of the spiral classifier along the tangential line of the cone, the particles in the rotated ore pulp are downward along the cone under the action of centrifugal force, and the small particle materials are upward along the cone along with the ore pulp, so that the particles of the ore pulp are pre-classified; under the action of the helical blade, the large-particle material at the lower part is pushed upwards along the bottom of the groove body and then returned to the ball mill for regrinding. The front end of the cone is expanded to the tail end of the cone, ore pulp flows from the front end to the tail end, the expansion of the trough reduces the flow velocity of the ore pulp, and then classified materials are influenced by turbulence of the materials to be reduced, classification of the materials is facilitated, and the production efficiency of the spiral classifier is improved.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic view of the cyclone cone structure of the present utility model.
Fig. 3 is a schematic top view of the cyclone cone of fig. 2 according to the present utility model.
Fig. 4 is a schematic view of the sectional structure of fig. 3 along the axis A-A according to the present utility model.
The figure indicates: 1-cell body curb plate, 2-cell body end plate, 3-cell body bottom plate, 4-inlet pipe, 5-ore pulp overflow space, 6-semi-overflow baffle, 7-whirl cone, 8-large granule bin outlet.
Detailed Description
As shown in fig. 1-4, the utility model comprises a tank body, one end of the tank body is provided with a rotational flow cone 7, and the utility model is characterized in that: the inside ore pulp overflow space 5 that is of whirl cone 7, ore pulp overflow space 5 upper portion is provided with half overflow baffle 6, whirl cone 7 bottom be provided with the big granule bin outlet 8 of cell internal intercommunication, whirl cone 7 middle part is less than half overflow baffle 6 position still along the tangent line of cone circle and merges and be provided with inlet pipe 4.
Further, the groove body is provided with a groove body end plate 3 at the other end opposite to the cyclone cone 7, and the groove body end plate 3 and the cyclone cone 7 are connected with groove body side plates 1 serving as two side surfaces of the groove body; the bottom surface of the tank body is provided with a tank body bottom plate 2.
Further, the spacing of the tank side plates 1 increases stepwise with distance from the cyclone cone 7.
When the spiral classifier works, ore pulp enters the cyclone cone 7 from the feed pipe 4, and the feed pipe is along the tangential direction of a circle, so that the ore pulp rotates in the cone 7, large particle materials are concentrated towards the lower part of the cone 7 under the action of centrifugal force and gravity of particles, and fine particle materials upwards move under the drive of the entering ore pulp after entering, enter the upper part of the cone 7 through the ore pulp overflow space 5 and overflow through an overflow port; the large-particle materials entering the lower part are collected and the bottom of the cyclone cone 7, spiral classifying blades are arranged at the bottom of the cyclone cone, the large-particle materials are carried out of the cyclone cone 7 along with the rotation of the spiral classifying blades, and then pulp flowing out along with the large-particle materials along with the movement of the spiral blades along the bottom of the tank body to the flaring end of the tank body flows into the tank body section of the sectional flaring from the narrow part of the cyclone cone 7 section, the flow velocity of the pulp is reduced, the temperature turbulence degree of the pulp is reduced, fine particles mixed in the large-particle pulp are further facilitated to float upwards, and the classification effect of the pulp materials is further improved.
The cyclone cone 7 is internally provided with a semi-overflow baffle 6, the cone 7 is divided into an upper part and a lower part, the upper part and the lower part are higher than the position of the feeding pipe 4, when ore pulp is rotationally classified in the cone 7, the small part of large particle materials are brought to the upper part of the feeding pipe 4 by the ore pulp, the semi-overflow baffle 6 plays a role in blocking the part of large particle materials, the turbulence of overflow fine particle ore pulp on the upper part is prevented, and the classification effect of the spiral classifier is further influenced.
The trough body with the sectional flaring reduces the flow velocity of the ore pulp flowing out of the cyclone cone 7, thereby reducing the influence of the turbulence of the ore pulp on the large particles at the bottom. After the spiral classifier normally operates, large-particle materials form a stable return material flow at the bottom of the tank bottom 3, so that the operation index of the mill is benefited.
In the classifying process, ore pulp materials conveyed by the feeding pipe 4 are classified in the cyclone cone 7 in advance, part of fine particle ore pulp at the separating position is conveyed to the groove body end plate 2 along with the spiral blades, the settled large particle materials are returned to the mill, and in the groove body of the flaring section, the materials in the ore pulp are further classified by the spiral blades, so that the large particle materials returned to the mill are balanced, the production efficiency of the spiral classifier is improved by the pre-classifying of the rotary cone 7, the stable production of the mill is facilitated, and the process production efficiency of the mill-classifier is finally improved.
It will be appreciated that the above detailed description of the utility model is provided for illustration of the utility model and not for limitation of the technical solutions described in the embodiments of the utility model, and that the person skilled in the art should understand that the utility model may be modified or substituted for the same technical effects; as long as the use requirement is met, the utility model is within the protection scope of the utility model.
Claims (3)
1. Spiral classifier whirl presorting cell body structure, including the cell body, cell body one end is provided with whirl cone (7), its characterized in that: the inside ore pulp overflow space (5) that is of whirl cone (7), ore pulp overflow space (5) upper portion is provided with semi-overflow baffle (6), whirl cone (7) bottom be provided with the inside big granule bin outlet (8) of intercommunication of cell body, whirl cone (7) middle part is less than semi-overflow baffle (6) position still along the tangent line of cone circle and merges and be provided with inlet pipe (4).
2. The spiral classifier cyclone pre-classification tank structure as claimed in claim 1, wherein: the groove body is provided with a groove body end plate (3) at the other end opposite to the rotational flow cone (7), and the groove body end plate (3) and the rotational flow cone (7) are connected with groove body side plates (1) serving as two side surfaces of the groove body; the bottom surface of the groove body is provided with a groove body bottom plate (2).
3. A spiral classifier cyclone pre-classification tank structure as claimed in claim 2, wherein: the distance between the side plates (1) of the groove body increases stepwise with the distance from the cyclone cone (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323069029.9U CN221208431U (en) | 2023-11-14 | 2023-11-14 | Spiral classifier cyclone pre-classification tank structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323069029.9U CN221208431U (en) | 2023-11-14 | 2023-11-14 | Spiral classifier cyclone pre-classification tank structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221208431U true CN221208431U (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323069029.9U Active CN221208431U (en) | 2023-11-14 | 2023-11-14 | Spiral classifier cyclone pre-classification tank structure |
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| Country | Link |
|---|---|
| CN (1) | CN221208431U (en) |
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2023
- 2023-11-14 CN CN202323069029.9U patent/CN221208431U/en active Active
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