CN102240593A - Spiral concentrator - Google Patents
Spiral concentrator Download PDFInfo
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- CN102240593A CN102240593A CN2011101676056A CN201110167605A CN102240593A CN 102240593 A CN102240593 A CN 102240593A CN 2011101676056 A CN2011101676056 A CN 2011101676056A CN 201110167605 A CN201110167605 A CN 201110167605A CN 102240593 A CN102240593 A CN 102240593A
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- straight line
- ore
- inner edge
- ore pulp
- spiral concentrator
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Abstract
The invention relates to a spiral concentrator comprising a stand, a central tube, a spiral groove, an ore feeding bucket and an ore receiving bucket, wherein the central tube is arranged on the stand; the spiral groove is fixedly connected with the central tube; the ore feeding bucket is arranged on the upper end of the spiral groove; the ore receiving bucket is arranged on the lower end of the spiral groove; the cross section of the separation surface of the spiral groove is formed by a straight line near an outer edge and a straight line near an inner edge, and the straight line near the outer edge and the straight line near the inner edge respectively downwards incline from outside to inside. According to the spiral concentrator disclosed by the invention, because the separation surface of the spiral groove is set to be formed by two inclined planes with different transverse inclination angles, after ore pulp is delivered into the separation surface, ore pulp distribution of thinner ore pulp near the inner edge and thicker ore pulp near the outer edge is formed, the thinner ore pulp flows in a laminar flow manner, and the thicker ore pulp flows in a weak turbulent flow manner, and therefore, transverse circulation action is higher and then the recovery of rough-grain and medium-grain heavy ores is facilitated; when the spiral concentrator disclosed by the invention is in use, water does not need to be added, zonation is distinct, operation is convenient, and the production cost of users is reduced; and in addition, the separation surface is of an integral structure, and therefore the spiral concentrator disclosed by the invention has the advantages of simple and reliable structure, high abrasion-resistant property and long service life.
Description
Technical field
The present invention relates to a kind of spiral concentrator, particularly a kind ofly be applicable to sorting of coarse fraction non-ferrous metal, ferrous metal, nonmetallic mineral, and the mineral that sort the wholegrain level also can obtain the spiral concentrator of satisfied technical-economic index.
Background technology
The present spiral concentrator of using, the cross section of its helicla flute sorting face mostly is cubic parabola or composite curve greatly.Adopt the spiral concentrator of cubic parabola, its sorting face broad and comparatively mild weakens cross current, after in a single day heavy mineral enters outer rim, can't enter inner edge under the cross current effect and loses.Adopt the spiral concentrator of composite curve, its cross dip is bigger, and when handling slightly middle material, a large amount of often ore particles concentrate near on the groove face of inner edge, and concentrate intercepts relatively more difficult.And at present the unit disposal ability of the spiral concentrator of using is little, and it is limited to sort grade, and service life is short.
Summary of the invention
The objective of the invention is at above-mentioned existing problems and deficiency, provide a kind of cross section of helicla flute sorting face to adopt novel, unique composite curve formation and can reach desirable sorting result, and spiral concentrator simple and reliable for structure, that anti-wear performance reaches long service life by force.
Technical scheme of the present invention is achieved in that
Spiral concentrator of the present invention, comprise frame, be arranged on central tube on the frame, be fixedly connected on the helicla flute on the central tube and be arranged on the helicla flute upper end mine feeding bucket, lower end connect ore bucket, the cross section that is characterized in described helicla flute sorting face is made of the straight line of close outer rim and the straight line of close inner edge, and the straight line of the straight line of described close outer rim and close inner edge is respectively by outer past interior downward-sloping.
Through repeatedly experimental study and contrast as can be known, when the horizontal oblique angle of above-mentioned straight line near outer rim is 15 °～25 °, when the horizontal oblique angle of above-mentioned straight line near inner edge was 8 °～12 °, this spiral concentrator had sorting result preferably; When the horizontal oblique angle of above-mentioned straight line near outer rim is 20 °, when the horizontal oblique angle of above-mentioned straight line near inner edge was 10 °, the sorting result of this spiral concentrator was best.
In order to obtain different productive rate of various products and grade easily, the above-mentioned porch that connects ore bucket is provided with adjustable ore cut-off device.
In order to improve the anti-wear performance of helicla flute sorting face further, be coated with the polyurethane material layer on the above-mentioned helicla flute sorting face.
The present invention is because employing is arranged to being made of outer past interior two sections downward-sloping straight lines by close outer rim and close inner edge to the cross section of helicla flute sorting face, and by the different laterally settings at oblique angle of these two sections straight lines, thereby helicla flute sorting face is made of two inclined-planes with different cross dips, after ore pulp enters this sorting face, the ore pulp that has just formed close inner edge is thinner, and the thicker phenomenon of ore pulp of close outer rim, and the former is a Laminar Flow, the latter is weak Turbulence Flow, and the cross current effect is stronger like this, thereby helps the recovery of thick middle grain heavy mineral, and when using, this sorting face does not need to add water, and it is clear, easy to operate that branch is with, production cost is low, and because this sorting face is an overall structure, thereby have simple and reliable for structurely, anti-wear performance reaches advantages such as long service life by force.The present invention is rational in infrastructure, and disposal ability is big, and the sorting index height is not only applicable to sorting of coarse fraction non-ferrous metal, ferrous metal, nonmetallic mineral, and the mineral that sort the wholegrain level also can obtain satisfied technical-economic index.When the present invention is applied on the tin ore, sort through one-level, concentrate grade can reach more than 1.08%, and operation recovery improves 7%～12% than the ore separators of using at present.
The present invention is further illustrated below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a spiral fluted cross-sectional structure schematic diagram of the present invention.
The specific embodiment
As Fig. 1-shown in Figure 2, spiral concentrator of the present invention, comprise frame 6, be arranged on the central tube 2 on the frame 6, be fixedly connected on the helicla flute 3 on the central tube 2 and be arranged on the mine feeding bucket 1 of helicla flute 3 upper ends, the lower end connect ore bucket 5, wherein central tube 2 is positioned at the center of frame 6 and it is connected to a fixed at the corresponding respectively two ends up and down with frame 6, two ends up and down, and helicla flute 3 adopts double end, and the cross section of helicla flute 3 sorting faces 31 is by constituting near the straight line 31a of outer rim and the straight line 31b of close inner edge, and the straight line 31b of the straight line 31a of simultaneously close outer rim and close inner edge is respectively by outer past interior downward-sloping.By such setting, helicla flute 3 sorting faces 31 are made of two inclined-planes with different cross dips, after ore pulp enters this sorting face 31, the ore pulp that has just formed close inner edge is thinner, and the thicker phenomenon of ore pulp of close outer rim, and the former is a Laminar Flow, and the latter is weak Turbulence Flow, and the cross current effect is stronger like this, thereby help the recovery of thick middle grain heavy mineral, this sorting face 31 does not need to add water simultaneously, and it is clear, easy to operate that branch is with, production cost is low, and because this sorting face 31 is an overall structure, thereby have simple and reliable for structurely, anti-wear performance reaches advantages such as long service life by force.And through repeatedly experimental study and contrast as can be known, when the horizontal oblique angle near the straight line 31a of outer rim is 15 °～25 °, when being 8 °～12 ° near the horizontal oblique angle of the straight line 31b of inner edge, this spiral concentrator has sorting result preferably; When the horizontal oblique angle near the straight line 31a of outer rim is 20 °, when being 10 ° near the horizontal oblique angle of the straight line 31b of inner edge, the sorting result of this spiral concentrator is best.Simultaneously, be provided with adjustable ore cut-off device 4 in the porch that connects ore bucket 5, during use,, just can obtain different productive rate of product and grade by adjusting the diverse location of this ore cut-off device 4.In addition, in order to improve the anti-wear performance of helicla flute 3 sorting faces 31 further, on helicla flute 3 sorting faces 31, be coated with the polyurethane material layer.
The present invention describes by embodiment, but the present invention is not construed as limiting, with reference to description of the invention, other variations of the disclosed embodiments, expect easily that as professional person such variation should belong within the claim restricted portion of the present invention for this area.
Claims (5)
1. spiral concentrator, comprise frame (6), be arranged on central tube (2) on the frame (6), be fixedly connected on the helicla flute (3) on the central tube (2) and be arranged on helicla flute (3) upper end mine feeding bucket (1), lower end connect ore bucket (5), the cross section that it is characterized in that described helicla flute (3) sorting face (31) is by constituting near the straight line (31a) of outer rim and the straight line (31b) of close inner edge, and the straight line (31b) of the straight line (31a) of described close outer rim and close inner edge is respectively by outer past interior downward-sloping.
2. according to the described spiral concentrator of claim 1, it is characterized in that the horizontal oblique angle of the straight line (31a) of above-mentioned close outer rim is 15 °～25 °, the horizontal oblique angle of the straight line (31b) of above-mentioned close inner edge is 8 °～12 °.
3. according to the described spiral concentrator of claim 2, it is characterized in that the horizontal oblique angle of the straight line (31a) of above-mentioned close outer rim is 20 °, the horizontal oblique angle of the straight line (31b) of above-mentioned close inner edge is 10 °.
4. according to the described spiral concentrator of claim 1, it is characterized in that the above-mentioned porch that connects ore bucket (5) is provided with adjustable ore cut-off device (4).
5. according to the described spiral concentrator of claim 1, it is characterized in that being coated with the polyurethane material layer on above-mentioned helicla flute (3) the sorting face (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101676056A CN102240593A (en) | 2011-06-21 | 2011-06-21 | Spiral concentrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101676056A CN102240593A (en) | 2011-06-21 | 2011-06-21 | Spiral concentrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102240593A true CN102240593A (en) | 2011-11-16 |
Family
ID=44958949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101676056A Pending CN102240593A (en) | 2011-06-21 | 2011-06-21 | Spiral concentrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102240593A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689107A (en) * | 2016-04-13 | 2016-06-22 | 江西稀有金属钨业控股集团有限公司 | Screw concentrator, screw concentrating method and mineral separating plate of screw concentrator |
| CN109731672A (en) * | 2019-01-10 | 2019-05-10 | 李春鸥 | Ore dressing spiral chute |
| RU2773688C1 (en) * | 2019-01-10 | 2022-06-07 | Чуньоу ЛИ | Spiral groove for processing minerals |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476980A (en) * | 1981-03-18 | 1984-10-16 | Mineral Deposits Limited | Spiral separator |
| WO1984004058A1 (en) * | 1983-04-13 | 1984-10-25 | Mineral Deposits Ltd | Spiral separator |
| EP0123501A1 (en) * | 1983-04-18 | 1984-10-31 | Mineral Deposits Limited | Spiral separator incorporating a fluid deflector |
| US4795553A (en) * | 1981-03-26 | 1989-01-03 | Mineral Deposits Limited | Spiral separator |
| CN202113930U (en) * | 2011-06-21 | 2012-01-18 | 广州粤有研矿物资源科技有限公司 | Spiral concentrator |
-
2011
- 2011-06-21 CN CN2011101676056A patent/CN102240593A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476980A (en) * | 1981-03-18 | 1984-10-16 | Mineral Deposits Limited | Spiral separator |
| US4795553A (en) * | 1981-03-26 | 1989-01-03 | Mineral Deposits Limited | Spiral separator |
| WO1984004058A1 (en) * | 1983-04-13 | 1984-10-25 | Mineral Deposits Ltd | Spiral separator |
| EP0123501A1 (en) * | 1983-04-18 | 1984-10-31 | Mineral Deposits Limited | Spiral separator incorporating a fluid deflector |
| CN202113930U (en) * | 2011-06-21 | 2012-01-18 | 广州粤有研矿物资源科技有限公司 | Spiral concentrator |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689107A (en) * | 2016-04-13 | 2016-06-22 | 江西稀有金属钨业控股集团有限公司 | Screw concentrator, screw concentrating method and mineral separating plate of screw concentrator |
| CN105689107B (en) * | 2016-04-13 | 2017-12-01 | 江西稀有金属钨业控股集团有限公司 | A kind of spiral concentrator, spiral mineral method and its mine-separating board |
| CN109731672A (en) * | 2019-01-10 | 2019-05-10 | 李春鸥 | Ore dressing spiral chute |
| WO2020143285A1 (en) * | 2019-01-10 | 2020-07-16 | 李春鸥 | Spiral chute for mineral processing |
| US20220097077A1 (en) * | 2019-01-10 | 2022-03-31 | Chunou LI | Spiral chute for mineral processing |
| RU2773688C1 (en) * | 2019-01-10 | 2022-06-07 | Чуньоу ЛИ | Spiral groove for processing minerals |
| US11458482B2 (en) | 2019-01-10 | 2022-10-04 | Chunou LI | Spiral chute for mineral processing |
| CN109731672B (en) * | 2019-01-10 | 2023-11-21 | 李春鸥 | Mineral separation spiral chute |
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Application publication date: 20111116 |