CN112791844A - Spiral chute device - Google Patents
Spiral chute device Download PDFInfo
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- CN112791844A CN112791844A CN202110198540.5A CN202110198540A CN112791844A CN 112791844 A CN112791844 A CN 112791844A CN 202110198540 A CN202110198540 A CN 202110198540A CN 112791844 A CN112791844 A CN 112791844A
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- groove body
- spiral groove
- flexible spiral
- flexible
- material distributing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/48—Washing granular, powdered or lumpy materials; Wet separating by mechanical classifiers
- B03B5/52—Spiral classifiers
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Abstract
The invention discloses a spiral chute device, which relates to the technical field of gravity ore dressing devices, and comprises: the flexible spiral groove comprises a base, a plurality of movable assemblies and a flexible spiral groove body; the upper part of the base is provided with an upright post; the movable assemblies are arranged on the upright post at intervals, and each movable assembly can move up and down along the upright post; the flexible spiral groove body is spirally wound on the periphery of the upright post and is connected with the movable assemblies in a plurality of ways, and the thread pitch of the flexible spiral groove body can be changed along with the up-and-down movement of the movable assemblies in a plurality of ways. According to the invention, the plurality of movable assemblies can change the screw pitch and the downward inclination angle of the flexible spiral groove body, so that the action of gravity and centrifugal force on the selected minerals is weakened or enhanced, the selected minerals can transversely move in the flexible spiral groove body to form an obvious separation belt, and a target product can be conveniently obtained.
Description
Technical Field
The invention relates to the technical field of gravity ore dressing devices, in particular to a spiral chute device.
Background
The spiral chute device for mineral separation is one of simple and effective mineral separation methods, the main structure of the spiral chute is a spiral groove body, and selected minerals are separated from selected mineral particles with different densities through the spiral groove body under the action of gravity and centrifugal force to form a separation belt.
However, the density difference of various minerals with different densities is large, the design parameters of the traditional spiral chute body are obtained according to experiments, the physical shape cannot be changed after production and shaping, the spiral chute body close to experimental result data can only be roughly and approximately selected to meet the production requirement in the type selection process of the spiral chute device, and the selected mineral particles (concentrate, middlings and tailings) with different densities are difficult to separate in the production process.
Disclosure of Invention
The embodiment of the invention provides a spiral chute device, which aims to solve the technical problem that selected mineral particles with different densities are difficult to separate in the related art.
The embodiment of the invention provides a spiral chute device, which comprises:
a base, the upper part of which is provided with a column;
a plurality of movable assemblies which are arranged on the upright post at intervals, and each movable assembly can move up and down along the upright post;
the flexible spiral groove body is spirally wound on the periphery of the upright post and is connected with the movable assemblies in a plurality of ways, and the thread pitch of the flexible spiral groove body can be changed along with the up-and-down movement of the movable assemblies in a plurality of ways.
In some embodiments, each of the movable components has an inner wall provided with an internal thread, and the outer wall of the upright post is provided with an external thread matched with the internal thread.
In some embodiments, each of the movable components is a magnetic body, and two adjacent movable components are mutually exclusive; the stand outer wall is equipped with the external screw thread, every the movable assembly all sets the nut of restriction its position.
In some embodiments, the spiral trough device further comprises:
and the groove body supporting pieces are in one-to-one correspondence with the movable assemblies, one end of each groove body supporting piece is connected with the corresponding movable assembly, and the other end of each groove body supporting piece is connected with the groove bottom of the flexible spiral groove body.
In some embodiments, a spring is disposed between each slot support and the bottom of the flexible helical slot.
In some embodiments, at least one material distributing plate is arranged at the discharge port at the lower end of the flexible spiral groove body, and the material distributing plate divides the discharge port at the lower end of the flexible spiral groove body into at least two material distributing ports.
In some embodiments, each of the material distributing plates is hinged to the flexible spiral groove, and the position and size of the material distributing port on each of the two sides of each material distributing plate can be adjusted when each material distributing plate rotates.
In some embodiments, the discharge port at the lower end of the flexible spiral groove body is provided with three material distributing plates, and the three material distributing plates divide the discharge port at the lower end of the flexible spiral groove body into four material distributing ports.
In some embodiments, a feed hopper is arranged at a feed inlet at the upper end of the flexible spiral groove body.
In some embodiments, the flexible helical groove is made of a plastically deformable material.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides a spiral chute device which is provided with a plurality of movable assemblies, wherein each movable assembly can move up and down along an upright column, when selected minerals at a discharge port at the lower end of a flexible spiral chute body transversely move in the flexible spiral chute body and cannot form an obvious sorting belt, the positions of the movable assemblies on the upright column are adjusted to increase the pitch of the flexible spiral chute body, increase the flow velocity of mineral particles, enhance the centrifugal force effect, increase the downward inclination angle from small to large and enhance the gravity effect, and the transverse movement of the selected minerals in the flexible spiral chute body is increased under the combined action of the two, so that the selected minerals transversely move in the flexible spiral chute body to form the obvious sorting belt, and the selected minerals with different densities are separated. On the contrary, when the selected minerals are concentrated on the outer edge of the flexible spiral groove body, the centrifugal force and the gravity action are too strong, the screw pitch and the downward inclination angle of the flexible spiral groove body can be reduced by adjusting the position of the movable assembly on the upright post, the action of the gravity and the centrifugal force on the selected minerals is further weakened, the selected minerals move transversely in the flexible spiral groove body groove to form an obvious separation zone, and the selected minerals with different densities are separated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a normal pitch of a spiral chute apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention providing a spiral chute apparatus with an increased pitch;
FIG. 3 is a schematic view of a spiral chute apparatus for reducing pitch according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a flexible spiral groove provided in an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of another flexible helical groove provided in accordance with an embodiment of the present invention;
fig. 6 is a top view of a discharge port at the lower end of a flexible spiral groove provided in the embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a lower discharge port of the flexible spiral groove of FIG. 6 according to an embodiment of the present invention;
FIG. 8 is a top view of the flexible spiral groove with its lower end discharge opening adjusted according to an embodiment of the present invention;
FIG. 9 is a schematic cross-sectional view of a lower discharge port of the flexible spiral groove of FIG. 8 according to an embodiment of the present invention;
in the figure: 1. a base; 11. a column; 2. a movable component; 3. a flexible helical trough; 31. separating a discharge port; 4. a trough support; 5. a spring; 6. a material distributing plate; 7. a feed hopper.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the invention provides a spiral chute device, which can solve the technical problem that selected mineral particles with different densities are difficult to separate in the related art.
Referring to fig. 1, a spiral chute apparatus comprises: the device comprises a base 1, a plurality of movable assemblies 2 and a flexible spiral groove body 3.
The upper part of the base 1 is provided with a vertical column 11. A plurality of the movable assemblies 2 are arranged on the upright post 11 at intervals, and each movable assembly 2 can move up and down along the upright post 11. The flexible spiral groove body 3 is spirally wound on the periphery of the upright post 11 and is connected with the movable assembly 2 in a plurality of ways, and the thread pitch of the flexible spiral groove body 3 can be changed along with the up-and-down movement of the movable assembly 2 in a plurality of ways. The number of the spiral turns of the flexible spiral groove body 3 can be 1-1000.
As an alternative, in the embodiment of the present invention, each inner wall of the movable assembly 2 is provided with an internal thread, and the outer wall of the upright 11 is provided with an external thread matching with the internal thread. Each movable assembly 2 and the upright post 11 form a screw nut structure, and the position of each movable assembly 2 on the upright post 11 is adjustable.
As an optional implementation manner, each of the movable assemblies 2 in the embodiment of the present invention is a magnetic body, and two adjacent movable assemblies 2 are mutually exclusive. The outer wall of the upright post 11 is provided with external threads, and each movable assembly 2 is provided with a nut for limiting the position of the movable assembly. When the nut is rotated, the corresponding movable assembly 2 can be pushed to move, or the pressure is released to enable the movable assembly 2 to move under the action of magnetic force. It should be noted that, in the embodiment of the present invention, a rack and pinion structure, a hydraulic structure, or a spring structure may also be adopted to move the movable assembly 2 up and down along the upright post 11.
As an optional implementation manner, the spiral chute device in the embodiment of the present invention further includes a plurality of chute body supporting pieces 4, the plurality of chute body supporting pieces 4 correspond to the plurality of movable assemblies 2 one to one, and one end of each chute body supporting piece 4 is connected to the corresponding movable assembly 2, and the other end is connected to the bottom of the flexible spiral chute body 3. Referring to fig. 1 and 2, the positions of 1-2 movable assemblies 2 on the upright post 11 are changed, the flexible spiral groove body 3 is deformed, and the pitch is increased from a normal value A to B. Referring to fig. 1 and 3, the positions of 1-2 movable assemblies 2 on the upright post 11 are changed, the flexible spiral groove body 3 is deformed, and the pitch is reduced from a normal value A to C. Meanwhile, in the cross section of the flexible spiral groove body 3, an intersection angle between a connecting line of two end points of the inner edge MN and the outer edge OP and a horizontal axis forms a downward inclination angle, and referring to fig. 4 and 5, θ and θ' are downward inclination angles of a pitch B and a pitch C of the flexible spiral groove body 3, respectively. Wherein the downward inclination angle theta can be adjusted within the range of 0-90 degrees.
The spiral chute device in the embodiment of the invention has the following working principle:
after the selected mineral enters the flexible spiral groove body 3, the selected mineral flows along the flexible spiral groove body 3 under the action of gravity component force, and is expanded outwards under the action of inertial centrifugal force, layering occurs, mineral particles with high density move towards the inner edge MN, and mineral particles with low density are thrown to the outer edge OP in the movement.
Referring to fig. 2, assuming that the initial pitch of the flexible spiral groove body 3 is a, when the target product at the discharge port at the lower end of the flexible spiral groove body 3 cannot reach the target product index, it is considered that the selected mineral cannot form an obvious separation zone by moving transversely in the flexible spiral groove body 3, and mineral particles of various grades are mixed together. In the spiral chute device provided by the embodiment of the invention, by arranging the plurality of movable assemblies 2, each movable assembly 2 can move up and down along the upright post 11. Referring to fig. 2, the positions of 1-2 movable assemblies 2 on an upright post 11 are changed, so that the pitch of the flexible spiral groove body 3 at the position is increased from a to B, the flow velocity of mineral particles is increased, the centrifugal force effect is enhanced, the downward inclination angle is increased to theta', the gravity effect is enhanced, the transverse movement of the selected mineral in the groove of the flexible spiral groove body 3 is increased under the combined action of the two, the selected mineral transversely moves in the groove of the flexible spiral groove body 3 to form an obvious separation belt, and when one pitch of the flexible spiral groove body 3 is increased from a to B, the purpose of forming the obvious separation belt cannot be achieved, the pitch can be continuously increased. Further, when the pitch and the downward inclination of the flexible spiral groove body 3 at the position are increased to the limit value and the purpose of forming the obvious separation zone is not achieved, the pitch and the downward inclination of the flexible spiral groove body 3 at a plurality of positions can be changed until the obvious separation zone is formed, and various selected minerals with different densities are separated.
On the contrary, when the selected minerals are concentrated on the OP outer edge of the flexible spiral groove body 3, the centrifugal force and the gravity action are too strong, the screw pitch of the flexible spiral groove body 3 can be reduced by changing the position of the movable assembly 2 on the upright post 11, the action of the gravity and the centrifugal force on the selected minerals is further weakened, an obvious separation zone is formed, and various selected minerals with density differences are separated.
In summary, the spiral chute device in the embodiment of the present invention is provided with a plurality of movable assemblies 2, each movable assembly 2 can move up and down along the column 11, when the selected minerals at the discharge port at the lower end of the flexible spiral chute body 3 can not form an obvious separation zone when moving transversely in the chute of the flexible spiral chute body 3, the position of the movable assembly 2 on the column 11 is changed, so that the pitch of the flexible spiral chute body 3 is increased, the flow rate of the mineral particles is increased, the centrifugal force action is enhanced, the downward inclination angle is increased, and the gravity action is enhanced, and the transverse movement of the selected minerals in the chute of the flexible spiral chute body is increased under the combined action of the two actions, so that the selected minerals move transversely in the chute of the flexible spiral chute body 3 to form an obvious separation zone, and the selected minerals with different densities are separated. When the selected minerals are concentrated on the outer edge of the flexible spiral groove body 3, the centrifugal force and the gravity action are too strong, the pitch and the downward inclination angle of the flexible spiral groove body 3 can be reduced by changing the position of the movable assembly 2 on the upright post 11, the action of the gravity and the centrifugal force is weakened, the selected minerals move transversely in the groove of the flexible spiral groove body 3 to form an obvious separation zone, and the selected minerals with different densities are separated.
As an alternative embodiment, referring to fig. 6 and 7, in an embodiment of the present invention, at least one material distributing plate 6 is disposed at a discharge port at the lower end of the flexible spiral groove 3, and all the material distributing plates 6 divide the discharge port at the lower end of the flexible spiral groove 3 into at least two discharge ports 31. When the selected minerals move transversely in the grooves of the flexible spiral groove body 3 to form obvious sorting belts, the minerals on each sorting belt can be collected through the material distributing plate 6. In the embodiment of the invention, the discharge port at the lower end of the flexible spiral groove body 3 is provided with three material distributing plates 6, and the three material distributing plates 6 divide the discharge port at the lower end of the flexible spiral groove body 3 into four discharge ports 31 which can respectively and correspondingly separate concentrate, middlings A, middlings B and tailings.
Further, as shown in fig. 8 and 9, each of the material distributing plates 6 is hinged to the flexible spiral groove 3, and the position and size of the material distributing port 31 located on both sides of each material distributing plate 6 can be adjusted by rotating each material distributing plate 6, so that the material distributing plates are adapted to the position and size of the material distributing belt, and the target minerals can be accurately collected.
As an alternative embodiment, as shown in fig. 1, a spring 5 is provided between each of the groove support members 4 and the groove bottom of the flexible spiral groove 3. The spring 5 has a damping effect, reduces the vibration of the flexible spiral groove body 3, and avoids the influence of the vibration on the separation effect of minerals.
As an alternative embodiment, referring to fig. 1, a feed hopper 7 is arranged at the feed inlet at the upper end of the flexible spiral groove body 3, and the feed hopper 7 facilitates mineral to enter the flexible spiral groove body 3.
As an optional implementation manner, the flexible spiral groove body 3 is made of a plastic deformable material, such as plastic, rubber, and the like, and both plastic and rubber are common plastic deformable materials, so that the flexible spiral groove body is low in price and convenient to manufacture.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A spiral chute apparatus, comprising:
a base (1) with a column (11) on the top;
a plurality of movable assemblies (2) which are arranged on the upright post (11) at intervals, wherein each movable assembly (2) can move up and down along the upright post (11);
flexible spiral groove body (3), its spiral is around establishing stand (11) periphery, and with a plurality of movable part (2) are connected, the pitch of flexible spiral groove body (3) can be along with a plurality of movable part (2) reciprocate and change.
2. A spiral trough apparatus as claimed in claim 1, wherein:
every movable component (2) inner wall all is equipped with the internal thread, stand (11) outer wall be equipped with the internal thread fit is equipped with the external screw thread.
3. A spiral trough apparatus as claimed in claim 1, wherein:
each movable assembly (2) is a magnetic body, and two adjacent movable assemblies (2) are mutually exclusive; the outer wall of the upright post (11) is provided with external threads, and each movable assembly (2) is provided with a nut for limiting the position of the movable assembly.
4. The spiral trough device of claim 1, further comprising:
a plurality of cell body support piece (4), it is a plurality of cell body support piece (4) and a plurality of movable assembly (2) one-to-one, every cell body support piece (4) one end with correspond movable assembly (2) are connected, the other end with the tank bottom of flexible spiral cell body (3) is connected.
5. The spiral trough apparatus of claim 4, wherein:
a spring (5) is arranged between each groove body supporting piece (4) and the groove bottom of the flexible spiral groove body (3).
6. A spiral trough apparatus as claimed in claim 1, wherein:
at least one material distributing plate (6) is arranged at a discharge port at the lower end of the flexible spiral groove body (3), and the material distributing plate (6) divides the discharge port at the lower end of the flexible spiral groove body (3) into at least two material distributing ports (31).
7. A spiral trough apparatus as claimed in claim 6, wherein:
each material distributing plate (6) is hinged with the flexible spiral groove body (3), and the position and the size of the material distributing port (31) positioned on the two sides of each material distributing plate (6) can be adjusted when the material distributing plate (6) rotates.
8. A spiral trough apparatus as claimed in claim 6, wherein:
the flexible spiral groove body (3) is characterized in that the discharge port at the lower end of the flexible spiral groove body (3) is provided with three material distributing plates (6), and the material distributing plates (6) divide the discharge port at the lower end of the flexible spiral groove body (3) into four material distributing ports (31).
9. A spiral trough apparatus as claimed in claim 1, wherein: a feed hopper (7) is arranged at the feed inlet at the upper end of the flexible spiral groove body (3).
10. A spiral trough apparatus as claimed in claim 1, wherein: the flexible spiral groove body (3) is made of plastic deformation materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198540.5A CN112791844A (en) | 2021-02-22 | 2021-02-22 | Spiral chute device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110198540.5A CN112791844A (en) | 2021-02-22 | 2021-02-22 | Spiral chute device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112791844A true CN112791844A (en) | 2021-05-14 |
Family
ID=75815348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110198540.5A Pending CN112791844A (en) | 2021-02-22 | 2021-02-22 | Spiral chute device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112791844A (en) |
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2021
- 2021-02-22 CN CN202110198540.5A patent/CN112791844A/en active Pending
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