CN206701480U - Super two sections of heavy medium cyclones of unpressurized feeding - Google Patents
Super two sections of heavy medium cyclones of unpressurized feeding Download PDFInfo
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- CN206701480U CN206701480U CN201720526745.0U CN201720526745U CN206701480U CN 206701480 U CN206701480 U CN 206701480U CN 201720526745 U CN201720526745 U CN 201720526745U CN 206701480 U CN206701480 U CN 206701480U
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Abstract
A kind of two sections of heavy medium cyclones of super unpressurized feeding, its one section of cyclone are formed by accounting for the cylindrical section of one section of total length 50% 70% and accounting for the inverted cone angle conical section of one section of total length 30% 50%；The diameter ratio of one section of cyclone cylindrical section and two sections of cyclone cylindrical sectionsThe equivalent diameter of the qualified density heavy suspension entrance of one section of cyclone and one section of ＜ K of cyclone cylindrical section diameter ratio 0.232＜ 0.50；First, two sections of cyclone connection pipe diameters and two sections of ＜ K of cyclone cylindrical section diameter ratio 0.233＜ 0.50；The light density material outlet diameter of one section of cyclone and one section of ＜ K of cyclone cylindrical section diameter ratio 0.314＜ 0.70；Two sections of cyclone Midst density material outlet diameters and two sections of ＜ K of cyclone cylindrical section diameter ratio 0.405＜ 0.80, its feed coal feeding mouth are extended to inside one section of cyclone, and section is in expansion shape.By structure type, the optimization of structural parameters, superpower disposal ability, superpower discharge refuse ability, super low energy consumption can be realized in the case where ensuring high sharpness of separation, China is led and bounds ahead of the Coal Cleaning by Dense Medium Cyclone technology of world level and attain a yet higher goal.
Description
Technical field
Source technology-coal preparation technology field of Coal Clean processing is the utility model is related to, is related to coking coal, thermal coal
Wet split technology, more particularly to two sections of dense media eddy flows of super unpressurized feeding of a kind of superpower disposal ability and discharge refuse ability
Device.
Background technology
HM cyclone with un pressurized feeding coal preparation technology be it is nowadays accepted that a kind of coal separation technology of sharpness of separation highest,
Wide popularization and application is obtained in China, it has also become the presently preferred coal preparation technique in China in the recent decade.Research both domestic and external is recognized
For, the disposal ability of heavy medium cyclone is directly proportional to 2.2 powers of one section of cyclone diameter, i.e., disposal ability (t/h) with it is straight
The 2.2 power ratios in footpath (m) are constant, about 200.Therefore, one can only be increased by follow disposal ability to be improved for a long time
The thought of section cyclone diameter.Under the constraint of this traditional thought, the industrial HM cyclone with un pressurized feeding in China at present
One cylindrical section section diameter of maximum specification reaches 1500mm.In order to keep the centrifugal factor in cyclone, the flow of medium pump, raise
Journey, power consumption also accordingly improve, and have a strong impact on that the overall technology of three products heavy medium cyclone is horizontal.
The content of the invention
The utility model is intended in view of the shortcomings of the prior art, break the disposal ability and one section of eddy flow of heavy medium cyclone
The proportional traditional concept constraint of the power of device diameter 2.2, there is provided a kind of superpower disposal ability, superpower discharge refuse ability, super low energy consumption,
Disposal ability and one section of power ratio ＞ 345 of cyclone diameter 2.2 two sections of heavy medium cyclones of super unpressurized feeding.
Realize that above-mentioned purpose uses following technical scheme：
A kind of two sections of heavy medium cyclones of super unpressurized feeding, including：One section of cyclone, two sections of cyclones, described one, two
Section cyclone is connected by connecting tube, wherein one section of cyclone is provided with feed coal feeding mouth, qualified density heavy suspension entrance, light
Density material outlet, two sections of cyclones are provided with Midst density material outlet, weight density material outlet；
A. one section of cyclone is by accounting for one section of total length 50%-70% cylindrical section and accounting for one section of total length 30%-50%'s
Inverted cone angle conical section composition；
B. the diameter ratio of one section of cyclone cylindrical section and two sections of cyclone cylindrical sections
C. the equivalent diameter of the qualified density heavy suspension entrance of one section of cyclone and one section of cyclone cylindrical section diameter ratio
0.23 ＜ K2＜ 0.50；
D. one, two section of cyclone connection pipe diameter and two sections of ＜ K of cyclone cylindrical section diameter ratio 0.233＜ 0.50；
E. the light density material outlet diameter of one section of cyclone and one section of ＜ K of cyclone cylindrical section diameter ratio 0.314＜
0.70；
F. two sections of cyclone Midst density material outlet diameters and two sections of ＜ K of cyclone cylindrical section diameter ratio 0.405＜
0.80。
Preferably, inverted cone angle conical section is located at feed coal feeding end.
Preferably, feed coal feeding mouth is extended to inside one section of cyclone.
Preferably, the feed coal feeding mouth section extended to inside one section of cyclone is in expansion shape.
Compared with the coal separation HM cyclone with un pressurized feeding generally used both at home and abroad, the utility model optimizes one section
The diameter ratio of cyclone cylindrical section and two sections of cyclone cylindrical sections, the qualified density heavy suspension entrance of one section of cyclone and one section of rotation
Flow device cylindrical section diameter ratio, one, two section of cyclone connecting tube and two sections of cyclone cylindrical section diameter ratios, one section of light density of cyclone
Material outlet and one section of cyclone cylindrical section diameter ratio, two sections of cyclone Midst density material outlets and two sections of cyclone cylinders
The structural parameters such as section diameter ratio, improve the disposal ability of cyclone, increase discharge refuse amount.
The utility model is ensureing sharpness of separation by the optimization of dense medium hydrocyclone structure form, structural parameters
Under the conditions of, it is ensured that the unobstructed quickly inlet and outlet cyclone of product after selected feed coal, choosing；High and low density in feed coal
Material by it is more accurate, more efficiently route respectively without interruption into the high and low density region of the separation conical surface in cyclone, makes its pan feeding
Upper size boundary significantly improves, and unit disposal ability is more than 1.5 times of same specification other cyclones, and discharge refuse amount reaches selected raw material
The 70% of coal, power consumption reduce 20%-40%.
The utility model increases diameter on the premise of high sharpness of separation is ensured, not against cyclone, and to optimize structure
Form, structural parameters greatly improve equipment unit disposal ability, and realizing 600 ton coal preparation plants only needs the mesh of a cyclone
Mark.Simultaneously as the optimization of structure type, structural parameters, greatly improves contain particularly high to various washability feature feed coals
The adaptability of cash rate feed coal, energy consumption is low, and energy conservation and consumption reduction effects are notable.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the utility model feed coal feeding mouth structural representation.
Marked in figure：Qualified 1, one section of density heavy suspension entrance, 2, one sections of cyclone cylindrical section cyclone inverted cone angle circular cone
Section 3, the light density material outlet 5 of 4, one sections of cyclones of feed coal feeding mouth, one, two section of cyclone connecting tube are (i.e.：One section of eddy flow
Weight density material outlet in device) 6, two sections of 7, two sections of cyclone Midst density material outlet, 8, two sections of cyclone eddy flows think highly of it is close
Spend 9, one sections of cyclones 10 of material outlet.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described further to the utility model.
Following examples only express specific embodiment of the present utility model, but therefore can not be interpreted as to this reality
With the limitation of new scope.It should be pointed out that for the person of ordinary skill of the art, the utility model design is not being departed from
On the premise of, various modifications and improvements can be made, these belong to the scope of protection of the utility model.
See Fig. 1, a kind of super two sections of heavy medium cyclones of unpressurized feeding, by one section of cyclone, 10, two sections of 8 groups of cyclones
Into one, two section of cyclone 10,8 is connected with connecting tube 6.Wherein one section of cyclone 10 is provided with feed coal feeding mouth 4, qualified density
Heavy suspension entrance 1 and the light density material outlet 5 of one section of cyclone.
One section of cyclone 10 is made up of one section of cyclone cylindrical section 2 and one section of cyclone inverted cone angle conical section 3, wherein one section
Cyclone cylindrical section 2 accounts for the 50%-70% of one section of total length, and one section of cyclone inverted cone angle conical section 3 accounts for one section of cyclone overall length
Spend 30%-50%.Using two sections of heavy medium cyclones of super unpressurized feeding applied to certain coal preparation plant as embodiment, one section eddy flow
Device 10 grows 4.2 meters, and one section of cyclone cylindrical section 2 grows 2.1 meters, and one section of cyclone inverted cone angle conical section 3 grows 2.1 meters.One section of inverted cone
Angle conical section 3 is advantageous to reduce pan feeding resistance, increase sorting space, the ratio of one, two section of cyclone cylindrical section diameter of expansion.
See Fig. 2, to avoid feed coal in one section of cyclone 10 with, the interference of weight density material passing away, prevent original
During the light light density material of density material particularly fine granularity is strayed into material coal, weight density material group and enter two sections of cyclones 8, will
Feed coal feeding mouth 4 extends to the inside of one section of cyclone 10, and the section of feed coal feeding mouth 4 is set into expansion shape knot
Structure, so that the unobstructed light density material area for rapidly entering the cyclone separation conical surface of light density material in feed coal, mitigates light close
The degree material particularly light density material of fine fraction is strayed into middle heavy density material group and causes middle ribbing essence, waste pack coal phenomenon.On
State in embodiment, the development length of feed coal feeding mouth 4 is 0.4 meter.
See Fig. 1, two sections of cyclones 8 think highly of density material provided with two sections of cyclone Midst density material outlets, 7, two sections of eddy flows
Outlet 9.
First, two sections of cyclones 10,8 are linked into an integrated entity with connecting tube 6.Wherein one section of cyclone cylindrical section and two sections of cyclones
The diameter ratio of cylindrical sectionK in the present embodiment1For 1.28；The qualified density heavy suspension entrance of one section of cyclone is worked as
Measure diameter and one section of ＜ K of cyclone cylindrical section diameter ratio 0.232＜ 0.50, K in the present embodiment2For 0.45；First, two sections of eddy flows
Device connects pipe diameter and two sections of ＜ K of cyclone cylindrical section diameter ratio 0.233＜ 0.50, K in the present embodiment3For 0.45；One section of rotation
Flow the light density material outlet diameter of device and one section of ＜ K of cyclone cylindrical section diameter ratio 0.314＜ 0.70, K in the present embodiment4
For 0.50；Two sections of cyclone Midst density material outlet diameters and two sections of ＜ K of cyclone cylindrical section diameter ratio 0.405＜
0.80, K in the present embodiment5For 0.60.
Qualified density heavy suspension tangentially enters one section of rotation with certain pressure by qualified density heavy suspension feeding mouth 1
Flowing device 10, selected feed coal enters one section of cyclone 10 by feed coal feeding mouth 4 in a manner of conducting oneself with dignity, foundation Archimedes principle,
In the presence of centrifugal force field, light density material is with, weight density material respectively enters light, the weight density material for separating the conical surface
Area, light density material are discharged from the light density material outlet 5 of one section of cyclone, as cleaned coal；In, weight density material through connecting tube
6 enter two sections of cyclones 8.Because qualified heavy suspension is concentrated in one section of cyclone 10, it is real to reach two sections of cyclones 8
The requirement of high density sorting is applied, material presses density separation as Midst density material and weight density material in two sections of cyclones 8, and respectively
Think highly of density material outlet 9 through two sections of cyclone Midst density material outlets, 7, two sections of eddy flows and discharge two sections of cyclones, be
Middle coal and spoil.Therefore, the super two sections of heavy medium cyclones of unpressurized feeding realize high density essence with low-density heavy suspension system
Really sorting, sub-elect up-to-standard essence, in, three kinds of products of cash.
The utility model changes the fluidised form of cyclone, adds shearing by structure type, the optimization of structural parameters
Power, structural viscosity is destroyed, reduce liquid-solid ratio, superpower processing energy can be realized in the case where ensuring high sharpness of separation
Power, superpower discharge refuse ability, super low energy consumption, three abilities constitute " super ", China is led and bounds ahead of the dense medium of world level
Matter Coal Cleaning by Use of Cyclones technology is attained a yet higher goal.
Claims (4)
1. a kind of two sections of heavy medium cyclones of super unpressurized feeding, including：One section of cyclone, two sections of cyclones, described one, two section
Cyclone is connected by connecting tube, wherein one section of cyclone is provided with feed coal feeding mouth, qualified density heavy suspension entrance, light close
Material outlet is spent, two sections of cyclones are provided with Midst density material outlet, weight density material outlet；Characterized in that,
A. one section of cyclone is by accounting for one section of total length 50%-70% cylindrical section and accounting for one section of total length 30%-50% inverted cone
Angle conical section composition；
B. the diameter ratio of one section of cyclone cylindrical section and two sections of cyclone cylindrical sections
C. the equivalent diameter of the qualified density heavy suspension entrance of one section of cyclone and one section of cyclone cylindrical section diameter ratio 0.23
＜ K20.50, one, two section of cyclone connection pipe diameter of ＜ and two sections of ＜ K of cyclone cylindrical section diameter ratio 0.233＜ 0.50；
D. the light density material outlet diameter of one section of cyclone and one section of ＜ K of cyclone cylindrical section diameter ratio 0.314＜ 0.70,
Two sections of cyclone Midst density material outlet diameters and two sections of ＜ K of cyclone cylindrical section diameter ratio 0.405＜ 0.80.
2. two sections of heavy medium cyclones of super unpressurized feeding according to claim 1, it is characterised in that inverted cone angle conical section
Positioned at feed coal feeding end.
3. two sections of heavy medium cyclones of super unpressurized feeding according to claim 1, it is characterised in that feed coal feeding mouth
Extend to inside one section of cyclone.
4. two sections of heavy medium cyclones of super unpressurized feeding according to claim 3, it is characterised in that extend to one section of rotation
The feed coal feeding mouth inside device is flowed, its section is in expansion shape.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720526745.0U CN206701480U (en) | 2017-05-12 | 2017-05-12 | Super two sections of heavy medium cyclones of unpressurized feeding |
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|---|---|---|---|
| CN201720526745.0U CN206701480U (en) | 2017-05-12 | 2017-05-12 | Super two sections of heavy medium cyclones of unpressurized feeding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199112A (en) * | 2017-05-12 | 2017-09-26 | 北京国华科技集团有限公司 | Super two sections of heavy medium cyclones of unpressurized feeding |
| CN112007748A (en) * | 2020-08-15 | 2020-12-01 | 北京国华科技集团有限公司 | Method for sorting bauxite ore |
-
2017
- 2017-05-12 CN CN201720526745.0U patent/CN206701480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199112A (en) * | 2017-05-12 | 2017-09-26 | 北京国华科技集团有限公司 | Super two sections of heavy medium cyclones of unpressurized feeding |
| CN112007748A (en) * | 2020-08-15 | 2020-12-01 | 北京国华科技集团有限公司 | Method for sorting bauxite ore |
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