CN206631922U - A kind of rubber sieve plate of Large-scale Coal dry-dressing machine - Google Patents
A kind of rubber sieve plate of Large-scale Coal dry-dressing machine Download PDFInfo
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- CN206631922U CN206631922U CN201720302166.8U CN201720302166U CN206631922U CN 206631922 U CN206631922 U CN 206631922U CN 201720302166 U CN201720302166 U CN 201720302166U CN 206631922 U CN206631922 U CN 206631922U
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- sieve plate
- grating
- air vent
- plane
- dressing machine
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Abstract
A kind of rubber sieve plate of Large-scale Coal dry-dressing machine, belongs to dry coal preparation equipment technical field, the coal separation for Large-scale Coal dry-dressing machine.Its technical scheme is：The plate face upper surface of sieve plate is shaped as the grating continuous arrangement of multiple equal wides, the length direction of grating is vertical with the material traffic direction of sieve plate, the upper surface of each grating is inclined plane on the width of grating, height of the height of the discharging side of clinoplain higher than charging side, there is air vent in each grating plane, air vent runs through sieve plate from top to bottom, and the axis of air vent is vertical with sieve plate plane, and air vent is uniform along grating plane.The utility model is simple in construction, the effective work area of sieve plate can be increased, sieve plate air throughput is improved, effectively reduces working face resistance, improves separating effect, improve the efficiency of separation, air vent clogging is efficiently solved, extends sieve plate service life, sorting bed fault rate is low, securely and reliably, operation and maintenance cost are significantly reduced.
Description
Technical field
It the utility model is related to a kind of rubber screen of the Large-scale Coal dry-dressing machine suitable for drought and water-scarce area coal separation
Plate, belong to dry coal preparation equipment technical field.
Background technology
In recent years, with environmental protection and the needs of saving water resource, dry coal preparation is by technique is simple, equipment is few, no
With water, can not construct the factory buildings, discharge refuse effect is good, small investment the features such as promoted the use of quickly.Dry-dressing machine is dry coal preparation work
Nucleus equipment in skill flow.It can make the granularity material different with density in the presence of air stream, mechanical oscillation, obey
It is layered in the hindered falling rule of particle, is sorted.Sieve plate is the core component of coal dry-dressing machine again, the quality of sieve plate performance
Directly influence the reliability and high efficiency of dry-dressing machine sorting.Currently, coal dry-dressing machine sieve plate is mainly vulcanized with sandblasting steel plate
The mode of rubber, it is supporting to be formed with the process processing and fabricating such as drilling, punching.Such sieve plate vulcanization of rubber layer is thin, not wear-resisting,
And vulcanizing rubber, often unreliable, sieve aperture easily blocks with steel plate adhesion, it is quite necessary to is improved.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of rubber sieve plate of Large-scale Coal dry-dressing machine, this rubber
Glue sieve plate can ensure efficient separation and smooth discharge of the coal dry-dressing machine to material, while solve coal dry-dressing machine sieve plate plug-hole
Technical problem, with less maintenance workload can ensure production be smoothed out.
Solve above-mentioned technical problem technical scheme be：
A kind of rubber sieve plate of Large-scale Coal dry-dressing machine, it is rectangular integrated poured rubber slab, in the plate face of sieve plate
Surface configuration is the grating continuous arrangement of multiple equal wides, and the length direction of grating is vertical with the material traffic direction of sieve plate,
The upper surface of each grating is inclined plane on the width of grating, the height of the discharging side of clinoplain be higher than into
Expect the height of side, have air vent in each grating plane, air vent runs through sieve plate, the axis and sieve of air vent from top to bottom
Plate plane is vertical, and air vent is uniform along grating plane.
The rubber sieve plate of above-mentioned Large-scale Coal dry-dressing machine, the air vent on the grating is reverse taper hole, positioned at sieve plate bottom
The air vent air inlet diameter in face is more than the air vent gas outlet diameter on floor lever of sieve tray grating.
The rubber sieve plate of above-mentioned Large-scale Coal dry-dressing machine, the length of the sieve plate is 300-900mm, width 200-
600mm, it is highly 20-100mm；The grating upper surface and the angle of inclination of horizontal plane are 10-30 °；The air vent enters
The a diameter of 8-15mm of gas port, a diameter of 4-10mm. in gas outlet.
The beneficial effects of the utility model are：
（1）Sieve plate of the present utility model uses stepped working face, can increase the effective work area of sieve plate, improves sieve plate
Air throughput, working face resistance is effectively reduced, improve separating effect.In addition, sieve plate is pure natural quenched rubber casting, then add
Upper special stepped face structure, promotes sieve plate anti-wear performance very good, and material and sieve plate attachment are reliable, ensure that sorting
The stability of process.
（2）The utility model uses back taper air vent, significantly improves gas outlet air velocity, beneficial to realizing material
Fast hierarchical, selection by winnowing.In addition, back taper air vent is not easily blocked, and it is real in the rule vibration processes with sorting bed surface
Air inlet, the elastic deformation of gas outlet are showed, there is a certain degree of self-cleaning function.
The utility model is simple in construction, the processing and fabricating cycle is short, interchangeability is strong, service life length.Using the utility model
The Large-scale Coal dry-dressing machine efficiency of separation is high, good separation effect, sorting bed fault rate is low, securely and reliably.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is Fig. 1 top view；
Fig. 3 is Fig. 1 close-up schematic view.
Marked in figure as follows：Sieve plate 1, grating 2, air vent 3, air inlet 4, gas outlet 5.
Embodiment
The utility model is rectangular integrated poured rubber slab, is cast, had well using pure natural quenched rubber
Anti-wear performance.
Shown in figure, the plate face upper surface of sieve plate 1 is shaped as the continuous arrangement of grating 2 of multiple equal wides, the length of grating 2
Degree direction is vertical with the material traffic direction of sieve plate 1, and the upper surface of each grating 2 is inclined on the width of grating 2
Plane, the height of the discharging side of clinoplain form continuous angled step shape higher than the height of charging side.Stepped work
1 effective work area of sieve plate can be increased by making face, improved the air throughput of sieve plate 1, effectively reduced working face resistance, improve sorting
Effect.
Show there is air vent 3 in each plane of grating 2 in figure, air vent 3 runs through sieve plate 1, air vent 3 from top to bottom
Axis it is vertical with the plane of sieve plate 1, air vent 3 is uniform along the plane of grating 2.
Shown in figure, air vent 3 is reverse taper hole, and the diameter of 3 air inlet of air vent 4 positioned at the bottom surface of sieve plate 1, which is more than, to be located at
The diameter of 3 gas outlet of air vent 5 on the surface grating 2 of sieve plate 1.Using back taper air vent 3, it is empty that gas outlet 5 can be significantly improved
Gas velocity, beneficial to fast hierarchical, the selection by winnowing for realizing material.In addition, back taper air vent 3 is not easily blocked, and with sorting
Air inlet 4, the elastic deformation of gas outlet 5 are realized in the rule vibration processes of bed surface, there is a certain degree of self-cleaning function.
The length of sieve plate 1 of the present utility model is 300-900mm, width 200-600mm, is highly 20-100mm.This
The length of the sieve plate 1 of one embodiment of utility model is 490mm, width 326mm, is highly 48mm.
The upper surface of grating 2 of the present utility model and the angle of inclination of horizontal plane are 10-30 °.A reality of the present utility model
It is 15 ° to apply the grating upper surface of example and the angle of inclination of horizontal plane.
4 a diameter of 8-15mm of air inlet of air vent 3 of the present utility model, 5 a diameter of 4-10mm. of gas outlet.This practicality
4 a diameter of 10mm of air inlet of the air vent 3 of new one embodiment, 5 a diameter of 6mm. of gas outlet.
Using Large-scale Coal dry-dressing machine of the utility model as sieve plate 1, sorting bed area is 24m2, ensureing phase jljl
In the case of expecting treating capacity, the utility model causes the efficiency of separation to improve 3%, while when the replacement cycle of sieve plate 1 extends 2 times
Between, sieve plate 1 is substantially without plug-hole phenomenon, without artificial borehole cleaning under regular service conditions, ensure that dry-dressing machine it is efficient, stably, can
By operation.
Claims (3)
- A kind of 1. rubber sieve plate of Large-scale Coal dry-dressing machine, it is characterised in that：It is rectangular integrated poured rubber slab, sieve plate （1）Plate face upper surface be shaped as the gratings of multiple equal wides（2）Continuous arrangement, grating（2）Length direction and sieve plate（1） Material traffic direction it is vertical, each grating（2）Upper surface in grating（2）Width on be inclined plane, tilt The height of the discharging side of plane is higher than the height for feeding side, in each grating（2）There are multiple air vents in plane（3）, lead to Air holes（3）Run through sieve plate, air vent from top to bottom（3）Axis and sieve plate（1）Plane is vertical, multiple air vents（3）Along sieve Bar（2）Plane is uniform.
- 2. the rubber sieve plate of Large-scale Coal dry-dressing machine according to claim 1, it is characterised in that：The grating（2）On Multiple air vents（3）For reverse taper hole, positioned at sieve plate（1）The air vent of bottom surface（3）Air inlet（4）Diameter is more than and is located at sieve plate （1）Surface grating（2）On air vent（3）Gas outlet（5）Diameter.
- 3. the rubber sieve plate of Large-scale Coal dry-dressing machine according to claim 2, it is characterised in that：The sieve plate（1）Length Spend for 300-900mm, width 200-600mm, be highly 20-100mm；The grating（2）Upper surface and the inclination of horizontal plane Angle is 10-30 °；The air vent（3）Air inlet（4）A diameter of 8-15mm, gas outlet（5）A diameter of 4-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302166.8U CN206631922U (en) | 2017-03-27 | 2017-03-27 | A kind of rubber sieve plate of Large-scale Coal dry-dressing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720302166.8U CN206631922U (en) | 2017-03-27 | 2017-03-27 | A kind of rubber sieve plate of Large-scale Coal dry-dressing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206631922U true CN206631922U (en) | 2017-11-14 |
Family
ID=60262332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720302166.8U Active CN206631922U (en) | 2017-03-27 | 2017-03-27 | A kind of rubber sieve plate of Large-scale Coal dry-dressing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206631922U (en) |
-
2017
- 2017-03-27 CN CN201720302166.8U patent/CN206631922U/en active Active
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