CN208082672U - A kind of Separator of heavy medium shallow slot Anti-chock device - Google Patents
A kind of Separator of heavy medium shallow slot Anti-chock device Download PDFInfo
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- CN208082672U CN208082672U CN201820313007.2U CN201820313007U CN208082672U CN 208082672 U CN208082672 U CN 208082672U CN 201820313007 U CN201820313007 U CN 201820313007U CN 208082672 U CN208082672 U CN 208082672U
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- flabellum
- axle
- separator
- shallow slot
- heavy medium
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Abstract
The utility model discloses a kind of Separator of heavy medium shallow slot Anti-chock devices, including flabellum axle mounting base and flabellum axle, three row flabellum groups are provided in flabellum axle, flabellum group includes multiple flabellums axially laid along flabellum axle, gap in three row flabellum groups between flabellum is formed along the axially extending helix of flabellum axle, the radial direction angle at an acute angle of the extending direction of the flabellum and the flabellum axle.The utility model simple structure and reasonable design, flabellum and flabellum axle do not need exterior power, rotation only can be realized under the action of horizontal media stream, break the stress balance of the coal particles to suspend in downflow weir, to make the coal particles of suspension scatter, then it is taken away by horizontal media stream, the coal particles to suspend are avoided to block downflow weir, the laying of flabellum increases the contact area of flabellum and horizontal media stream, the circulation for not interfering with coal simultaneously, will not destroy the stability of Media density in Separator of heavy medium shallow slot.
Description
Technical field
The utility model belongs to technical field of coal mine, and in particular to a kind of Separator of heavy medium shallow slot Anti-chock device.
Background technology
Currently, China is still coal production in the world and the maximum country of consumption, coal resources are in China's aggregate resource
In still accounted for 70% or so.Energy-saving and emission-reduction under the new situation, coal separation is most economical effective clean coal technology.Weight
Medium shallow-tank separator is a kind of unit relatively advanced in current coal preparation technique, because of its excellent feature, at me
The major medium and small colliery of state, which is obtained for, to be widely applied.In continuous practical application, scientific research personnel to chain, scraper plate and
The process equipments such as upper up-flow and control parameter have carried out continuous improvement, and some is in coming into operation.
Separator of heavy medium shallow slot sorts coal in gravitational field according to Archimedes' principle principle, and dense media is shallow
It is provided with downflow weir in slot sorting machine, when Separator of heavy medium shallow slot works, has horizontal Jie in Separator of heavy medium shallow slot
Mass flow flows through, and the light product less than the Media density of horizontal media stream can swim in top, and under the action of horizontal media stream
Downflow weir is flowed through, it is complete with this higher than the bottom that the material of the Media density of horizontal media stream can sink to Separator of heavy medium shallow slot
At coal separation.It is found by field research, when the density of coal is identical as the density of dense medium suspension liquid, buoyancy etc. that coal is subject to
It can be suspended in suspension at the gravity of itself, such coal particles.Generally, the coal of suspension surface is floated in shallow slot
It is to be taken away by the level stream of suspension, but because level stream strength is limited, therefore level stream can take away complete floating
Coal particles, but then can be helpless because of stress deficiency for the coal particles of suspended state, therefore for suspension
The coal particles of state can be suspended at the downflow weir of Separator of heavy medium shallow slot always, and downflow weir is caused to block, and lead to sorting
Light product cleaned coal can not be excluded normally, seriously affect the efficiency of production.
To solve this problem, the sorting on-the-spot meeting of Separator of heavy medium shallow slot arranges special staff, once weight
The downflow weir of the shallow slot of medium shallow-tank separator finds to block, then carries out manpower dredging.But this dredging method both takes manpower
There is security risk again.
Utility model content
The technical problem to be solved by the utility model is to the deficiencies in for the above-mentioned prior art, provide a kind of dense medium
Matter shallow-tank separator Anti-chock device, simple structure and reasonable design, flabellum and flabellum axle do not need exterior power, only exist
Rotation can be realized under the action of horizontal media stream, break the stress balance of the coal particles to suspend in downflow weir, to make to hang
Floating coal particles are scattered, and are then taken away by horizontal media stream, and the coal particles to suspend is avoided to block downflow weir, the laying of flabellum
The contact area of flabellum and horizontal media stream is increased, while not interfering with the circulation of coal, dense media shallow slot point will not be destroyed
Select the stability of Media density in machine.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of Separator of heavy medium shallow slot use
Anti-chock device, it is characterised in that：Including be arranged downflow weir both sides flabellum axle mounting base and may be rotatably mounted at the fan
Flabellum axle in rachis mounting base, the both sides of the downflow weir offer the through-hole passed through for the flabellum axle, the flabellum
Three row flabellum groups are provided on axis, the flabellum group includes multiple flabellums axially laid along the flabellum axle, the three row fans
Gap in leaf group between flabellum is formed along the axially extending helix of flabellum axle, the extending direction of the flabellum and the flabellum
The radial direction angle at an acute angle of axis.
A kind of above-mentioned Separator of heavy medium shallow slot Anti-chock device, it is characterised in that：Further include microcontroller and
The input of the memory and host computer to connect with the microcontroller, the microcontroller is terminated with parameter input module and is used for
The Rotating speed measring module of the flabellum rotating speed is detected, the output of the microcontroller is terminated with alarm module.
A kind of above-mentioned Separator of heavy medium shallow slot Anti-chock device, it is characterised in that：The Rotating speed measring module is
Hall revolution speed transducer.
A kind of above-mentioned Separator of heavy medium shallow slot Anti-chock device, it is characterised in that：The extending direction of the flabellum
Angle between the radial direction of the flabellum axle is 45 °.
A kind of above-mentioned Separator of heavy medium shallow slot Anti-chock device, it is characterised in that：Flabellum group middle fan described in each column
Ye Jun is uniformly distributed along the axial direction of flabellum axle, in flabellum group described in each column the distance between two neighboring described flabellum be 30cm~
60cm。
A kind of above-mentioned Separator of heavy medium shallow slot Anti-chock device, it is characterised in that：In the flabellum axle mounting base
Flabellum shaft mounting hole is offered, there is free gap between the flabellum axle and the flabellum shaft mounting hole.
A kind of above-mentioned Separator of heavy medium shallow slot Anti-chock device, it is characterised in that：The both ends of the flabellum axle are equal
It is provided with limited block.
The utility model has the following advantages compared with prior art：
1, the utility model has the advantages of simple structure, reasonable design, realizes and using easy to operate.
2, flabellum axle is arranged in the utility model in downflow weir, and flabellum and flabellum axle do not need exterior power, only in level
Rotation can be realized under the action of medium flow field, break the stress balance of the coal particles to suspend in downflow weir, to make suspension
Coal particles scatter, then taken away by horizontal media stream, it is limited to solve horizontal media stream dynamics, for being suspended in downflow weir
Coal particles by hypodynamic problem, avoid the coal particles to suspend from blocking downflow weir, energy saving, low-carbon environment-friendly.
3, three row flabellum groups are arranged in the utility model in flabellum axle, and each column flabellum group includes multiple flabellums, three row institutes
It states the gap in flabellum group between flabellum to be formed along the axially extending helix of flabellum axle, therefore increases flabellum and horizontal media
The contact area of stream increases thrust of the horizontal media stream to flabellum, while not interfering with the circulation of coal, and will not destroy weight
The stability of Media density in medium shallow-tank separator, using effect are good.
In conclusion the utility model simple structure and reasonable design, flabellum and flabellum axle do not need exterior power, only exist
Rotation can be realized under the action of horizontal media stream, break the stress balance of the coal particles to suspend in downflow weir, to make to hang
Floating coal particles are scattered, and are then taken away by horizontal media stream, and the coal particles to suspend is avoided to block downflow weir, the laying of flabellum
The contact area of flabellum and horizontal media stream is increased, while not interfering with the circulation of coal, dense media shallow slot point will not be destroyed
Select the stability of Media density in machine.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the installation relation schematic diagram of the utility model flabellum and flabellum axle.
Fig. 3 is the schematic block circuit diagram of the utility model.
Reference sign:
1-flabellum；2-flabellum axles；3-flabellum axle mounting bases；
4-limited blocks；5-downflow weirs；6-host computers；
7-microcontrollers；8-Rotating speed measring modules；9-parameter input modules；
10-alarm modules；11-memories.
Specific implementation mode
As depicted in figs. 1 and 2, the utility model includes being arranged in the flabellum axle mounting base 3 of 5 both sides of downflow weir and rotatable
Flabellum axle 2 in the flabellum axle mounting base 3, the both sides of the downflow weir 5 are offered to be passed through for the flabellum axle 2
Through-hole, be provided with three row flabellum groups in the flabellum axle 2, the flabellum group includes multiple laying along the flabellum axle 2 is axial
Flabellum 1, the gaps in the three row flabellum groups between flabellum 1 are formed along the axially extending helix of flabellum axle 2, the flabellum
The radial direction angle at an acute angle of 1 extending direction and the flabellum axle 2.
When Separator of heavy medium shallow slot works, horizontal media stream is just had in Separator of heavy medium shallow slot, is actually used
When, flabellum axle 2 is horizontally set in downflow weir 5, when horizontal media stream takes the coal particles in suspended state to downflow weir 5
When interior, horizontal media stream pushes flabellum 1 to rotate simultaneously, and flabellum 1 rotates, and breaks the stress balance of the coal particles of suspension, to
So that the coal particles of suspension is scattered, then taken away by horizontal media stream, it is limited to solve horizontal media stream dynamics, for being suspended in
The coal particles of downflow weir are avoided the coal particles to suspend from blocking downflow weir 5, flabellum 1 and flabellum axle 2 are not by hypodynamic problem
Exterior power is needed, rotation, energy saving, low-carbon environment-friendly can be only realized under the action of horizontal media stream.
In actual use, three row flabellum groups are set in flabellum axle 2, and each column flabellum group includes multiple flabellums 1, therefore is increased
Add the contact area of flabellum 1 and horizontal media stream, increases thrust of the horizontal media stream to flabellum 1.In the three row flabellum groups
Gap between flabellum 1 is formed along the axially extending helix of flabellum axle 2, therefore the flabellum 1 in the three row flabellum groups is not
In the same plane, the circulation of coal is not only increased, and Media density in Separator of heavy medium shallow slot will not be destroyed
Stability.The extending direction of flabellum 1 and the radial direction angle at an acute angle of flabellum axle 2, pass through cutting between flabellum 1 and horizontal media stream
Water angle is also that acute angle increases coal particles of the flabellum 1 to suspension to which horizontal media stream is to the motive force of flabellum 1
Active force.
Further include microcontroller 7 and the memory that connects with the microcontroller 7 as shown in figure 3, in the present embodiment
11 and host computer 6, the input of the microcontroller 7 be terminated with parameter input module 9 and for detecting 2 rotating speed of the flabellum axle
The output of Rotating speed measring module 8, the microcontroller 7 is terminated with alarm module 10.
In actual use, staff by 9 input speed minimum value of parameter input module to microcontroller 7, microcontroller
Rotating speed minimum value is stored in memory 11 by device 7, and Rotating speed measring module 8 is used to detect the real-time rotating speed of flabellum axle 2, and will inspection
The real-time rotating speed of the flabellum axle 2 measured is transferred to microcontroller 7, and microcontroller 7 detects obtained fan to Rotating speed measring module 8
The rotating speed minimum value stored in the real-time rotating speed and memory 11 of rachis 2 is compared, and is obtained when the detection of Rotating speed measring module 8
When the real-time rotating speed of flabellum axle 2 is less than the rotating speed minimum value stored in memory 11, that is, think that flabellum axle 2 is stuck, it is micro- at this time
Controller 7 is simultaneously emitted by control signal to alarm module 10 and host computer 6, and alarm module 10 is alarmed, and field personnel is reminded
It adopts an effective measure in time, host computer 6 shows the real-time rotating speed of flabellum axle 2 so that staff can be clear and intuitive
Understanding work on the spot state.
In the present embodiment, the Rotating speed measring module 8 is Hall revolution speed transducer.Hall revolution speed transducer is contactless
It is strong to have the advantages that sensitivity reaches height, reliability height, against shock, anti-radio frequency interference and electromagnetic interference, is suitable for flabellum for sensor
The Rotating speed measring of axis 2.
In the present embodiment, the angle α between the extending direction of the flabellum 1 and the radial direction of the flabellum axle 2 is 45 °.
In the present embodiment, axial direction of the flabellum 1 along flabellum axle 2 is uniformly distributed in flabellum group described in each column, is fanned described in each column
The distance between two neighboring described flabellum 1 is 30cm~60cm in leaf group.
In actual use, the distance between two neighboring described flabellum 1 is 30cm in flabellum group described in each column, increases coal
Circulation does not influence washing efficiency, and will not destroy the stability of Media density in Separator of heavy medium shallow slot, even if flabellum
The failure not turned occurs for axis 2, and downflow weir 5 still has negotiability.
As shown in Figure 1, in the present embodiment, flabellum shaft mounting hole, the flabellum axle are offered in the flabellum axle mounting base 3
There is free gap between 2 and the flabellum shaft mounting hole.
In actual use, free gap is set between flabellum axle 2 and flabellum shaft mounting hole, reduces flabellum axle 2 and flabellum
Friction between shaft mounting hole causes part coal particles excessive due to coal quality etc., be easy to cause flabellum 1 by downflow weir
The accident of coal cinder particle at overflow port, since free gap, flabellum axle being arranged between flabellum axle 2 and flabellum shaft mounting hole
2 conveniently movings, when the coal cinder particle at overflow port of the flabellum 1 by downflow weir blocks, rear flabellum axle 2 of moving can eliminate flabellum 1
The accident inside blocked.
As shown in Figure 1, in the present embodiment, the both ends of the flabellum axle 2 are both provided with limited block 4.Due to flabellum axle 2 and fan
Free gap, therefore 2 conveniently moving of flabellum axle are set between rachis mounting hole, and flabellum axle 2 deviates flabellum axle installation in order to prevent
Seat 3, therefore it is respectively provided with limited block 4 at the both ends of flabellum axle 2, in actual use, limited block 4 is detachably connected with flabellum axle 2.
The above is only the embodiments of the present invention, is not imposed any restrictions to the utility model, every according to this
Utility model technical spirit changes any simple modification, change and equivalent structure made by above example, still falls within
In the protection domain of technical solutions of the utility model.
Claims (7)
1. a kind of Separator of heavy medium shallow slot Anti-chock device, it is characterised in that：Including the fan in downflow weir (5) both sides is arranged
Rachis mounting base (3) and the flabellum axle (2) on the flabellum axle mounting base (3) is may be rotatably mounted at, the two of the downflow weir (5)
Side offers the through-hole passed through for the flabellum axle (2), and three row flabellum groups, the flabellum are provided on the flabellum axle (2)
Group includes multiple flabellums (1) axially laid along the flabellum axle (2), and three arrange the gap between flabellum (1) in the flabellum groups
It is formed along the axially extending helix of flabellum axle (2), the extending direction and the radial direction of the flabellum axle (2) of the flabellum (1) are in
Acute angle.
2. a kind of Separator of heavy medium shallow slot Anti-chock device described in accordance with the claim 1, it is characterised in that：Further include micro-
Controller (7) and the memory (11) to connect with the microcontroller (7) and host computer (6), the microcontroller (7)
Input is terminated with parameter input module (9) and the Rotating speed measring module (8) for detecting the flabellum axle (2) rotating speed, described micro-
The output of controller (7) is terminated with alarm module (10).
3. a kind of Separator of heavy medium shallow slot Anti-chock device according to claim 2, it is characterised in that：The rotating speed
Detection module (8) is Hall revolution speed transducer.
4. a kind of Separator of heavy medium shallow slot Anti-chock device described in accordance with the claim 1, it is characterised in that：The flabellum
(1) angle between extending direction and the radial direction of the flabellum axle (2) is 45 °.
5. a kind of Separator of heavy medium shallow slot Anti-chock device described in accordance with the claim 1, it is characterised in that：Described in each column
Axial direction of the flabellum (1) along flabellum axle (2) is uniformly distributed in flabellum group, the two neighboring flabellum in flabellum group described in each column
The distance between (1) it is 30cm~60cm.
6. a kind of Separator of heavy medium shallow slot Anti-chock device described in accordance with the claim 1, it is characterised in that：The flabellum
Flabellum shaft mounting hole is offered in axis mounting base (3), between activity between the flabellum axle (2) and the flabellum shaft mounting hole
Gap.
7. a kind of Separator of heavy medium shallow slot Anti-chock device described in accordance with the claim 1, it is characterised in that：The flabellum
The both ends of axis (2) are both provided with limited block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820313007.2U CN208082672U (en) | 2018-03-07 | 2018-03-07 | A kind of Separator of heavy medium shallow slot Anti-chock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820313007.2U CN208082672U (en) | 2018-03-07 | 2018-03-07 | A kind of Separator of heavy medium shallow slot Anti-chock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208082672U true CN208082672U (en) | 2018-11-13 |
Family
ID=64061857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820313007.2U Expired - Fee Related CN208082672U (en) | 2018-03-07 | 2018-03-07 | A kind of Separator of heavy medium shallow slot Anti-chock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208082672U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604042A (en) * | 2018-12-29 | 2019-04-12 | 天地（唐山）矿业科技有限公司 | A kind of energy saving shallow slot heavy-media separator of width grade pulsation |
| WO2020098698A1 (en) * | 2018-11-14 | 2020-05-22 | 王光领 | Coal discharge wheel for use in air dry sand coal sorting system |
| CN113997265A (en) * | 2021-10-29 | 2022-02-01 | 中国矿业大学 | Heavy-medium shallow groove dredging device based on machine vision and control method |
-
2018
- 2018-03-07 CN CN201820313007.2U patent/CN208082672U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020098698A1 (en) * | 2018-11-14 | 2020-05-22 | 王光领 | Coal discharge wheel for use in air dry sand coal sorting system |
| CN109604042A (en) * | 2018-12-29 | 2019-04-12 | 天地（唐山）矿业科技有限公司 | A kind of energy saving shallow slot heavy-media separator of width grade pulsation |
| CN109604042B (en) * | 2018-12-29 | 2021-03-09 | 天地（唐山）矿业科技有限公司 | Wide-size-fraction pulsating shallow-groove heavy-medium separator |
| CN113997265A (en) * | 2021-10-29 | 2022-02-01 | 中国矿业大学 | Heavy-medium shallow groove dredging device based on machine vision and control method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20200307 |
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| CF01 | Termination of patent right due to non-payment of annual fee |