CN204866157U - Selfinterference rectification flotation pan feeding desliming device - Google Patents
Selfinterference rectification flotation pan feeding desliming device Download PDFInfo
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- CN204866157U CN204866157U CN201520244785.7U CN201520244785U CN204866157U CN 204866157 U CN204866157 U CN 204866157U CN 201520244785 U CN201520244785 U CN 201520244785U CN 204866157 U CN204866157 U CN 204866157U
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- hang plate
- drainage channel
- pan feeding
- fairing
- plate
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Abstract
Selfinterference rectification flotation pan feeding desliming device relates to coal separating plant flotation pan feeding pre treatment device technical field. The utility model discloses by the pan feeding valve, the slope box, the overflow mouth, the reposition of redundant personnel baffle, the drainage baffle, hang plate fairing, first material diversion channels, second material diversion channels, the hang plate, the rectification hole, overflow plate, the selfinterference mixed zone, the underflow valves becomes. The rectification hole of adopting the slope form that the hang plate constitutes is as fairing, can with the turbulent flow become laminar while with higher speed the granule deposit, shorten the settling time, improvement desliming efficiency, adopt wide narrow reposition of redundant personnel passageway down on the cross section, form high -speed flowing, flow first material diversion channels bottom in the selfinterference mixed zone and form the convection current and disturb to make the material carry out hindered falling, clean coal and the carefully separation of mud reduce flotation pan feeding viscosity with higher speed, improve flotation efficiency.
Description
Technical field:
The utility model belongs to coal preparation plant's floatation feed pre-processing device technical field, is specifically related to a kind of self-interference rectification floatation feed desliming device.
Background technology:
Because the clay minerals in coal seam has been mixed into raw coal in recovery process, in wet coal preparation process, by argillization after these mineral chance water soaking, be dispersed into thin mud, accumulate in float coal slurry.
High grey fine slime flotation speed is fast, causes foam " to be clamminess ", brings difficulty to follow-up floatation clean coal dewatering operation.Thin mud specific area is large simultaneously, and " trying to be the first " absorption floating agent, makes general coal grain not obtain medicament.The difficulty of general coal grain and bubble adhesion is increased.Cause that floatation clean coal ash content is high, tail coal ash content is low, flotation agent consumption is large, worsen flotation effect and produce totally unfavorable, so be necessary to select front desliming to coal preparation plant's coal slime to coal separation.And existing floatation feed desliming pond floor space is large, and ascending current is become laminar flow from turbulent flow, the time period by the vertical tube pencil fairing adopted, and free settling is insufficient.
Utility model content:
The utility model proposes a kind of self-interference rectification floatation feed desliming device, by arranging tube bank rectification mechanism, adopting pan feeding shunting self-interference subsidence style simultaneously, effectively predictive desliming being carried out to floatation feed, improve flotation desliming effect.
For achieving the above object, the utility model adopts following technical scheme:
Self-interference rectification floatation feed desliming device mainly comprises pan feeding valve, inclination casing, overfall, split-flow baffles, drainage dividing plate, hang plate fairing, the first material drainage channel, the second material drainage channel, hang plate, rectification hole, overflow plate, self-interference mixed zone, underflow valve.
Described pan feeding valve is positioned at the bottom of feeding mouth, and aperture is adjustable, for controlling the size of feeding; Described inclination casing upper end is connected with pan feeding valve, and for the sorting of material, outer setting has overfall, and inside arranges split-flow baffles, drainage dividing plate and hang plate fairing; Described split-flow baffles is placed in inclination box house, and be positioned at feeding mouth lower end, pan feeding stream is divided into two parts, upper left side forms the first material drainage channel with the same drainage dividing plate being placed in inclination box house, lower right and dump box intracoelomic cavity form the second material drainage channel, described drainage dividing plate is placed in inclination box house, and lower right and split-flow baffles form the first material drainage channel, for placing hang plate fairing between upper left side and dump box intracoelomic cavity; Described hang plate fairing is parallel with drainage dividing plate, is provided with the latticed rectification hole that the cross section surrounded by hang plate is parallelogram above; Described overflow plate is set to the cell body identical with the casing width that tilts, and upper right side connects with the overfall of dump box external body; Described self-interference mixed zone is positioned at the first material drainage channel and the second material drainage channel lower end of inclination casing; Described underflow valve, is positioned at hang plate fairing lower end, for controlling the underflow product of underflow opening discharge sorting.
Preferred: the upper end of described split-flow baffles is arranged on drainage dividing plate side, lower end is arranged on inclination casing side, the second material drainage channel cross section is made to be formed as trapezoidal shape, thus obtain high velocity stream at the second material drainage channel, in self-interference mixed zone, convection current interference is formed to stream bottom the first material drainage channel, thus make material carry out hindered falling sorting, ensure that thin mud is fully separated with cleaned coal, reduce floatation feed viscosity, improve flotation efficiency.
Preferred: described hang plate fairing is made up of hang plate, shorten particles settling distance, increase settling area, shorten the sedimentation time, reach rapid subsidence, add sedimentation frequency; Hang plate composition cross section is the rectification hole of parallelogram simultaneously, makes ascending current become laminar flow from turbulent flow, prevents whirlpool from being formed, raise the efficiency.
The beneficial effects of the utility model:
1, the utility model structure is simple, and floor space is little, is easy to manufacture.
2, the utility model adopts the skewed rectification hole of hang plate formation as fairing, accelerates particle precipitation, shortens the sedimentation time, improve desliming efficiency while turbulent flow can being become laminar flow.
3, the split channel that the utility model employing cross section is wide at the top and narrow at the bottom, form high velocity stream, in self-interference mixed zone, convection current interference is formed to the material flow bottom the first material drainage channel, thus make material carry out hindered falling, acceleration cleaned coal is separated with thin mud, reduce floatation feed viscosity, improve flotation efficiency.
4, the utility model is unpowered structure, decreases energy resource consumption, adds service life of equipment.
Accompanying drawing illustrates:
Fig. 1 is the utility model structural representation;
Fig. 2 is hang plate fairing structural representation;
Fig. 3 is the structural scheme of mechanism of overflow place;
In figure, the implication of label symbol is as follows:
1-pan feeding valve, 2-inclination casing, 3-overfall, 4-split-flow baffles, 5-drainage dividing plate, 6-hang plate fairing, the 7-the first material drainage channel, the 8-the second material drainage channel, 9-hang plate, 10-rectification hole, 11-overflow plate, 12-self-interference mixed zone, 13-underflow valve
Detailed description of the invention:
As Figure 1-3: self-interference rectification floatation feed desliming device mainly comprises pan feeding valve 1, inclination casing 2, overfall 3, split-flow baffles 4, drainage dividing plate 5, hang plate fairing 6, first material drainage channel 7, second material drainage channel 8, hang plate 9, rectification hole 10, overflow plate 11, self-interference mixed zone 12, underflow valve 13;
Described pan feeding valve 1 is positioned at the bottom of feeding mouth, and aperture is adjustable, for controlling the size of feeding; Described inclination casing 2 upper end is connected with pan feeding valve 1, and for the sorting of material, outer setting has overfall 3, and inside arranges split-flow baffles 4, drainage dividing plate 5 and hang plate fairing 6; It is inner that described split-flow baffles 4 is placed in inclination casing 2, and be positioned at feeding mouth lower end, pan feeding stream is divided into two parts, upper left side forms the first material drainage channel 7 with the same drainage dividing plate 5 being placed in inclination casing 2 inside, lower right and inclination casing 2 inner chamber form the second material drainage channel 8, it is inner that described drainage dividing plate 5 is placed in inclination casing 2, and lower right and split-flow baffles 4 form the first material drainage channel 7, for placing hang plate fairing 6 between upper left side and inclination casing 2 inner chamber; Described hang plate fairing 6 is parallel with drainage dividing plate 5, is provided with the latticed rectification hole 10 that the cross section surrounded by hang plate 9 is parallelogram above; Described overflow plate 11 is set to the cell body identical with casing 2 width that tilts, and upper right side connects with the overfall 3 of inclination casing 2 outside; Described self-interference mixed zone 12 is positioned at the first material drainage channel 7 and the second material drainage channel 8 lower end of inclination casing 2, and described underflow valve 13, is positioned at hang plate fairing 6 lower end, for controlling the underflow product of underflow opening discharge sorting.
Preferred: the upper end of described split-flow baffles 4 is arranged on drainage dividing plate 5 side, lower end is arranged on inclination casing 2 side, the second material drainage channel 8 cross section is made to be formed as trapezoidal shape, thus obtain high velocity stream at the second material drainage channel 8, in self-interference mixed zone 12, convection current interference is formed to stream bottom the first material drainage channel 7, thus make material carry out hindered falling sorting, ensure that thin mud is fully separated with cleaned coal, reduce floatation feed viscosity, improve flotation efficiency.
Preferred: described hang plate fairing 6 is made up of hang plate, shorten particles settling distance, increase settling area, shorten the sedimentation time, reach rapid subsidence, add sedimentation frequency; Hang plate 9 forms the rectification hole 10 that cross section is parallelogram simultaneously, makes ascending current become laminar flow from turbulent flow, prevents whirlpool from being formed, raise the efficiency.
Below in conjunction with Fig. 1-3, the course of work of the present utility model is described further:
Black water is from feeding mouth access to plant, two bursts of material flow that flow velocity is identical are split at split-flow baffles 4 place, one material flow is carried downwards along the first material drainage channel 7, one material flow is carried downwards at the second material drainage channel 8 with same initial velocity edge in addition, and carry out self-interference sedimentation with the logistics that high velocity stream is formed in interference stream upwards and the first material drainage channel 7 in self-interference mixed zone, bottom 12, acceleration cleaned coal is separated with thin mud, thus ensures effectively removing of thin mud material; Then mix logistics height constantly to rise, by the rectification hole on hang plate fairing 6, turbulent change layer stream, and hang plate 9 strengthens settling area and shortens settling height, accelerates particles settling, through natural subsidence, plaster flows out from overflow plate along with overflow; Get off through whole flow process, serve good predictive desliming effect.
Claims (1)
1. a self-interference rectification floatation feed desliming device, is characterized in that: mainly comprise pan feeding valve, inclination casing, overfall, split-flow baffles, drainage dividing plate, hang plate fairing, first material drainage channel, the second material drainage channel, hang plate, rectification hole, overflow plate, self-interference mixed zone, underflow valve;
Described pan feeding valve is positioned at the bottom of feeding mouth, and aperture is adjustable; Described inclination casing upper end is connected with pan feeding valve, and outer setting has overfall, and inside is provided with split-flow baffles, drainage dividing plate and hang plate fairing; Described split-flow baffles is placed in inclination box house and is positioned at feeding mouth lower end, upper left side forms the first material drainage channel with the same drainage dividing plate being placed in inclination box house, lower right and dump box intracoelomic cavity form the second material drainage channel, described drainage dividing plate is placed in inclination box house, lower right and split-flow baffles form the first material drainage channel, place hang plate fairing between upper left side and dump box intracoelomic cavity; Described hang plate fairing is parallel with drainage dividing plate, is provided with the latticed rectification hole that the cross section surrounded by hang plate is parallelogram above; Described overflow plate is set to the cell body identical with the casing width that tilts, and upper right side connects with the overfall of dump box external body; Described self-interference mixed zone is positioned at the first material drainage channel and the second material drainage channel lower end of inclination casing, and described underflow valve, is positioned at hang plate fairing lower end;
The upper end of described split-flow baffles is arranged on drainage dividing plate side, and lower end is arranged on inclination casing side, makes the second material drainage channel cross section be formed as trapezoidal shape;
Described hang plate fairing is made up of hang plate, and hang plate composition cross section is the rectification hole of parallelogram simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520244785.7U CN204866157U (en) | 2015-04-21 | 2015-04-21 | Selfinterference rectification flotation pan feeding desliming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520244785.7U CN204866157U (en) | 2015-04-21 | 2015-04-21 | Selfinterference rectification flotation pan feeding desliming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204866157U true CN204866157U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520244785.7U Expired - Fee Related CN204866157U (en) | 2015-04-21 | 2015-04-21 | Selfinterference rectification flotation pan feeding desliming device |
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| Country | Link |
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| CN (1) | CN204866157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694204A (en) * | 2017-01-13 | 2017-05-24 | 中国矿业大学 | Device for separation and overflow of coarse coal slime and slime removal and classification of clean coal slime through liquid-solid fluidized bed |
-
2015
- 2015-04-21 CN CN201520244785.7U patent/CN204866157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694204A (en) * | 2017-01-13 | 2017-05-24 | 中国矿业大学 | Device for separation and overflow of coarse coal slime and slime removal and classification of clean coal slime through liquid-solid fluidized bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |