CN207401602U - A kind of heavy medium cyclone suitable for steam coal separation - Google Patents
A kind of heavy medium cyclone suitable for steam coal separation Download PDFInfo
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- CN207401602U CN207401602U CN201721292424.5U CN201721292424U CN207401602U CN 207401602 U CN207401602 U CN 207401602U CN 201721292424 U CN201721292424 U CN 201721292424U CN 207401602 U CN207401602 U CN 207401602U
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Abstract
A kind of heavy medium cyclone suitable for steam coal separation belongs to cleaning unit technical field, for solving the problems, such as that small two product heavy-medium cyclone treating capacities, high energy consumption, the efficiency of separation are low.Its technical solution is：The central axis for feeding pipe nipple inlet central axis and guide cylinder is perpendicular, the feed end of three-dimensional spiral shape feed pipe is connected with charging pipe nipple, the circumferential side wall of discharge end lateral wall and guide cylinder is tangent, the upper end connection light product discharge port of guide cylinder, the upper end of the lower end connection Disjoint Cone of guide cylinder, Disjoint Cone lower end connection weight product discharge port, the cone angle of Disjoint Cone is 20 ° 30 °.The utility model can effectively reduce the local resistance caused by fluid turning loss, effectively reduce energy consumption；Separating density and pan feeding density of suspending liquid difference can be significantly increased, is advantageously implemented the efficient separation of thermal coal, there is the characteristics of internal circulating load is small, processing capacity is big, low energy consumption, the efficiency of separation is high, and service life is long.
Description
Technical field
The utility model is related to a kind of heavy medium cyclones suitable for steam coal separation, belong to cleaning unit technology neck
Domain.
Background technology
Two product heavy-medium cyclones have been widely used in steam coal separation field because of sharpness of separation height.At present, two
The feed pipe structure of product heavy-medium cyclone has tangent line shape feed pipe, involute feed pipe and arc feed pipe.At this
In three kinds of feed pipes, tangent line shape feed pipe be easy to cause the disturbance and turbulence of fluid at feed inlet, and due to the steering of fluid
Loss and eddy current loss etc. and cause larger local resistance, so charging position local energy damage caused by tangent line shape feed pipe
It consumes larger；Involute feed pipe and arc feed pipe can reduce the local energy loss at feed pipe position to a certain extent,
But with the raising of Washing Steam Coal ratio, using two product heavy-medium cyclones of both feed pipes, there are treating capacities
Small, the problem of efficiency of separation is low, high energy consumption, these problems are not solved effectively.In addition, the cone of current heavy medium cyclone
Angle is usually less than 20 °, causes pan feeding density of suspending liquid and separating density difference small, limits and affects two product dense media eddy flows
The steam coal separation efficiency of device.
In conclusion there are treating capacity is low, the efficiency of separation is low, high energy consumption etc. lacks for two current product heavy-medium cyclones
It falls into, has not adapted to current power coal sorting demand, it would be highly desirable to be solved, to meet the needs of production development.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of heavy medium cyclone suitable for steam coal separation,
This cyclone can reduce internal energy loss, and can increase separating density and enter the density contrast between pulp suspension
Value is conducive to the discharge of spoil, and then realizes the efficient of thermal coal, low energy consumption sorting.
Solving the technical solution of above-mentioned technical problem is：
A kind of heavy medium cyclone suitable for steam coal separation, it is characterised in that：It is by charging pipe nipple, three-dimensional spiral shape
Feed pipe, guide cylinder, Disjoint Cone, weight product discharge port, light product discharge port composition, feed pipe nipple inlet center
The central axis of axis and guide cylinder is perpendicular, and the feed end of three-dimensional spiral shape feed pipe is connected with charging pipe nipple, three-dimensional
The discharge end lateral wall of spiral shape feed pipe and the circumferential side wall of guide cylinder are tangent, and guide cylinder is horizontally or diagonally placed
Cylindrical tube structure, the upper end connection light product discharge port of guide cylinder, the lower end of guide cylinder connects the upper of Disjoint Cone
End, Disjoint Cone lower end connection weight product discharge port, the cone angle of Disjoint Cone is 20 ° -30 °.
The above-mentioned heavy medium cyclone suitable for steam coal separation, rectangle is in the pipe nipple entrance cross section that feeds, square
The central axis upright of the centerline axis parallel of shape long side and guide cylinder, rectangle short side and guide cylinder, rectangle long side and square
The ratio of shape short side is 1.0-1.8.
The above-mentioned heavy medium cyclone suitable for steam coal separation, the lateral wall and guiding of the three-dimensional spiral shape feed pipe
Cylinder spiral is tangent, and upper bottom surface, the angle of bottom surface leading edge place section of three-dimensional spiral shape feed pipe are 0 ° -15 °, three-dimensional spiral shell
The lead angle for revolving shape feed pipe bottom surface is 0 ° -15 °（Not comprising 0 °）, helical angle is 75 ° -90 °（Not comprising 90 °）.
The above-mentioned heavy medium cyclone suitable for steam coal separation, the cylinder spiral shell of the three-dimensional spiral shape feed pipe lateral wall
The ratio of radial facing radius and guide cylinder radius is 1.1-1.6, in the cylinder helical plane of three-dimensional spiral shape feed pipe lateral wall
Eccentricity between mandrel line and guide cylinder central axis is equal to 0-0.3 times of guide cylinder diameter.
The beneficial effects of the utility model are：
The utility model is using three-dimensional spiral shape feed pipe and the Disjoint Cone of auger corner structure, due to being subject to centrifugal force
Effect, raw coal can carry out pre-separation in three-dimensional spiral shape feed pipe, at the same reduce material enter the flowing after cyclone with
The flowing angle of its rotary motion is poor, so reduce the local resistance caused by fluid turning loss, effectively control and improve into
The disturbance of fluid and turbulence pulsation at mouthful reduce the local energy consumption at feed pipe position, improve the processing capacity of equipment.Meanwhile by
Auger corner structure is used in Disjoint Cone, the difference of pan feeding density of suspending liquid and separating density is increased, improves separating density,
Be conducive to the sorting of thermal coal.The utility model has the characteristics that simple in structure, processing capacity is big, the efficiency of separation is high, low energy consumption,
It is suitble to two product selectings of the coals such as discharge refuse.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the A direction views of Fig. 1.
It is marked in figure as follows：Feed pipe nipple 1, three-dimensional spiral shape feed pipe 2, guide cylinder 3, Disjoint Cone 4, weight product row
Expect port 5, light product discharge port 6.
Specific embodiment
Shown in figure, the utility model by charging pipe nipple 1, three-dimensional spiral shape feed pipe 2, guide cylinder 3, Disjoint Cone 4,
Weight product discharge port 5, light product discharge port 6 form.
It is shown in figure, 1 entrance cross section of charging pipe nipple is rectangle, and rectangle long side and the central axis of guide cylinder 3 are put down
The ratio of row, the central axis upright of rectangle short side and guide cylinder 3, rectangle long side and rectangle short side is 1.0-1.8.
The charging rectangle long side in import section of pipe nipple 1 and the ratio of rectangle short side of one embodiment of the utility model
For 1.3.
It is shown in figure, the lateral wall and 3 spiral of guide cylinder of three-dimensional spiral shape feed pipe 2 are tangent, enter to reduce material
The flowing angle that flowing after cyclone rotates movement is poor, and helical angle, the value of lead angle of 2 bottom surface of feed pipe should all
Rotary motion with the fluid in cyclone matches, and the lead angle of 2 bottom surface of three-dimensional spiral shape feed pipe is 0 ° -15 °（It does not wrap
Containing 0 °）, helical angle is 75 ° -90 °（Not comprising 90 °）.
The upper bottom surface of the three-dimensional spiral shape feed pipe 2 of one embodiment of the utility model is parallel with bottom surface, lead angle
For 5 °, 85 ° of helical angle.
It is shown in figure, 2 lateral wall of three-dimensional spiral shape feed pipe is cylinder helical plane, and the radius of cylinder helical plane is R1, is led
It is 1.1-1.6, the central axis of cylinder helical plane and 3 central axis of guide cylinder to the ratio that the radius of cylinder 3 is R, R1 and R
Between eccentricity L=（0-0.3）D, D are the diameter of guide cylinder 3.
In one embodiment of the utility model, the radius R1 of the lateral wall cylinder helical plane of three-dimensional spiral shape feed pipe 2
Ratio with 3 radius R of guide cylinder is 1.2, the bias between 3 central axis of central axis and guide cylinder of cylinder helical plane
Away from L=0.1D.
It is shown in figure, Disjoint Cone 4 uses auger corner structure, and cone angle beta value range is 20 ° -30 °.
The cone angle of the Disjoint Cone 4 of one embodiment of the utility model is 23 °.
Utility model works process and effect are as follows：
During utility model works, material is entered under pressure by charging pipe nipple 1 through three-dimensional spiral shape feed pipe 2
Guide cylinder 3, and form high-speed rotating sorting flow field.In three-dimensional spiral shape feed pipe 2, due to being made be subject to centrifugal force
With sorted materials initially form the density field with certain gradient and carry out Pre-sorting so that high density material is close to three-dimensional spiral
2 lateral wall of shape feed pipe rotates, and case of low density loads is moved close to 2 madial wall side of three-dimensional spiral shape feed pipe, simultaneously as three-dimensional
The design structure of spiral shape feed pipe 2 meets the rotary motion rule of fluid in cyclone, it therefore reduces material enters eddy flow
The differential seat angle that fluid rotary moves in flowing and cyclone after device, effectively reduces and is locally hindered caused by fluid turning loss
Power so that the disturbance of fluid and turbulence pulsation are effectively controlled at cyclone inlets, and import department's position energy loss obtains effectively
Drop subtracts；Simultaneously as Disjoint Cone 4 uses auger corner structure, separating density is increased, is conducive to discharge refuse, be suitble to thermal coal
Effectively sorting.Under the conditions of identical operating condition, the utility model causes two product heavy-medium cyclone processing capacities to improve 9%,
Internal circulating load drop subtracts 5%, and ton coal energy consumption reduces by 13%, and recovery efficiency reduces impact grinding of the material to import wall up to 97%
Damage, service life are significantly improved.The utility model is with internal circulating load is small, processing capacity is big, low energy consumption, the efficiency of separation
, there is good popularizing value in the characteristics of height, service life is long.
Claims (4)
1. a kind of heavy medium cyclone suitable for steam coal separation, it is characterised in that：It is by charging pipe nipple（1）, three-dimensional spiral
Shape feed pipe（2）, guide cylinder（3）, Disjoint Cone（4）, weight product discharge port（5）, light product discharge port（6）Composition,
Feed pipe nipple（1）Inlet central axis and guide cylinder（3）Central axis it is perpendicular, three-dimensional spiral shape feed pipe（2）'s
Feed end and charging pipe nipple（1）It is connected, three-dimensional spiral shape feed pipe（2）Discharge end lateral wall and guide cylinder（3）Circle
All side walls are tangent, guide cylinder（3）For the cylindrical tube structure horizontally or diagonally placed, guide cylinder（3）Upper end connection it is light
Product discharge port（6）, guide cylinder（3）Lower end connection Disjoint Cone（4）Upper end, Disjoint Cone（4）Lower end connection weight
Product discharge port（5）, Disjoint Cone（4）Cone angle be 20 ° -30 °.
2. the heavy medium cyclone according to claim 1 suitable for steam coal separation, it is characterised in that：The charging is short
Section（1）Entrance cross section is rectangle, rectangle long side and guide cylinder（3）Centerline axis parallel, rectangle short side and guide cylinder
Body（3）Central axis upright, the ratio of rectangle long side and rectangle short side is 1.0-1.8.
3. the heavy medium cyclone according to claim 2 suitable for steam coal separation, it is characterised in that：The three-dimensional spiral shell
Revolve shape feed pipe（2）Lateral wall and guide cylinder（3）Spiral is tangent, three-dimensional spiral shape feed pipe（2）Upper bottom surface, bottom surface
The angle of section is 0 ° -15 ° where leading edge, three-dimensional spiral shape feed pipe（2）The lead angle of bottom surface is≤15 °, 75 °≤spiral
90 ° of angle ＜.
4. the heavy medium cyclone according to claim 3 suitable for steam coal separation, it is characterised in that：The three-dimensional spiral shell
Revolve shape feed pipe（2）The cylindrical screw radius surface and guide cylinder of lateral wall（3）The ratio of radius be 1.1-1.6, three-dimensional spiral
Shape feed pipe（2）The central axis and guide cylinder of the cylinder helical plane of lateral wall（3）Eccentricity between central axis is equal to
0-0.3 times of guide cylinder diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292424.5U CN207401602U (en) | 2017-10-09 | 2017-10-09 | A kind of heavy medium cyclone suitable for steam coal separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721292424.5U CN207401602U (en) | 2017-10-09 | 2017-10-09 | A kind of heavy medium cyclone suitable for steam coal separation |
Publications (1)
| Publication Number | Publication Date |
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| CN207401602U true CN207401602U (en) | 2018-05-25 |
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ID=62407387
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721292424.5U Active CN207401602U (en) | 2017-10-09 | 2017-10-09 | A kind of heavy medium cyclone suitable for steam coal separation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359769A (en) * | 2020-03-30 | 2020-07-03 | 北京沄汇智能科技有限公司 | Coal floating and sinking separation system and method thereof |
| WO2022047727A1 (en) * | 2020-09-02 | 2022-03-10 | 东莞福莱仕智能电子科技有限公司 | Cyclone separator and cleaning apparatus |
-
2017
- 2017-10-09 CN CN201721292424.5U patent/CN207401602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359769A (en) * | 2020-03-30 | 2020-07-03 | 北京沄汇智能科技有限公司 | Coal floating and sinking separation system and method thereof |
| WO2022047727A1 (en) * | 2020-09-02 | 2022-03-10 | 东莞福莱仕智能电子科技有限公司 | Cyclone separator and cleaning apparatus |
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