CN109078747A - The method and device of coarse-fine coal classification production - Google Patents
The method and device of coarse-fine coal classification production Download PDFInfo
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- CN109078747A CN109078747A CN201810668584.8A CN201810668584A CN109078747A CN 109078747 A CN109078747 A CN 109078747A CN 201810668584 A CN201810668584 A CN 201810668584A CN 109078747 A CN109078747 A CN 109078747A
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- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
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Abstract
The invention discloses a kind of method and devices of coarse-fine coal classification production, belong to cleaned coal apparatus field；The technical problem to be solved is that a kind of reduction waste is provided, coarse-fine recycling improves the device of the coarse-fine coal classification production of fine cleaned coal quality；Solve the technical solution of technical problem use are as follows: a kind of method and device of coarse-fine coal classification production, including spiral and sieve bend, it further include the first high-frequency screen, the second high-frequency screen, centrifuge, coarse-fine slot, concentration basin, spiral is connected with sieve bend, the first high-frequency screen, sieve bend on-the-sieve material exit is connected with coarse-fine slot, undersize material is connected with concentration basin, coarse-fine slot discharge port is connected with centrifuge and the second high-frequency screen respectively, by the position for controlling coarse-fine slot discharging, coarse-fine coal is recycled, quality of cleaned coal is improved, loss is reduced；It the composite can be widely applied to cleaned coal apparatus field.
Description
Technical field
The method and device of the coarse-fine coal classification production of the present invention, belongs to cleaned coal equipment technical field.
Background technique
During the coal production of this coal mine, coarse-fine coal can only by be doped into smear cleaned coal or with spoil it is discarded, due to well
Lower raw coal coal quality and percentage of shale content change greatly, and smalls system washing density frequently adjusts in process of production for coal preparation plant, cause thick
Smart ash content fluctuation is larger, and only in coarse-fine ash content about 13%, coarse-fine coal and cleaned coal enter centrifuge and be dehydrated, and produce to cleaned coal
Quality influences smaller, but according to daily monitoring, when coarse-fine ash content highest can achieve 30%, be doped into serious shadow after fine cleaned coal
Fine cleaned coal quality is rung, continues fine cleaned coal ash content exceeded, to ensure fine cleaned coal quality, can only be caused not with spoil waste treatment
With the wasting of resources of degree.
Summary of the invention
The invention overcomes the deficiencies of the prior art, and provides a kind of reductions to waste, and coarse-fine recycling improves fine cleaned coal
The device of the coarse-fine coal classification production of quality and the application method of device.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: the device of coarse-fine coal classification production, including
Spiral and sieve bend further include the first high-frequency screen, the second high-frequency screen, centrifuge, coarse-fine slot, concentration basin, spiral separating
Helicla flute and tipper are provided on machine, the helicla flute outlet of spiral is connected with sieve bend, tipper outlet and first
High-frequency screen is connected, and sieve bend on-the-sieve material exit is connected with coarse-fine slot, and undersize material is connected with concentration basin, coarse-fine slot discharge port
It is connected respectively with centrifuge and the second high-frequency screen.
The first shut-off valve is provided on the pipeline that the coarse-fine slot discharge port is connected with centrifuge, the coarse-fine slot goes out
Material mouth is connected with the second high-frequency screen by belt, and connecting place is provided with the second shut-off valve.
Ash content detector is provided on the coarse-fine slot.
One upper side of centrifuge is provided with fine cleaned coal slot, and the fine cleaned coal slot is connected with centrifuge.
The described centrifuge outlet is provided with fine cleaned coal bucket and removes dilute Jie's bucket, centrifuge outlet respectively with fine cleaned coal bucket, go
Dilute Jie's bucket is connected, and the first high frequency sieve outlet is provided with thick cash slot, the first high frequency sieve outlet respectively with concentration basin, thick cash slot
Be connected, the second high frequency sieve outlet is provided with last raw coal slot, the second high frequency sieve outlet respectively with concentration basin, last raw coal slot phase
Even.
The device application method of coarse-fine coal classification production are as follows:
1), thick mud coal is sieved by spiral (1), and the rough coal after screening carries out regrading by sieve bend (2),
Spoil enters the first high-frequency screen (7) and is sieved, and screens out thick cash；
2), rough coal sifts out coarse-fine coal into coarse-fine slot (3) by sieve bend (2), and ash content detection, ash are carried out in coarse-fine slot (3)
When dividing below setting value, coarse-fine coal enters centrifuge (4) and is handled, and mixes with fine cleaned coal, improves clean coal yield；Ash
It when dividing more than setting value, is controlled by valve, coarse-fine coal is transported in the second high-frequency screen (8) and is handled, handled
Coarse-fine coal afterwards, which enters in last raw coal system, to be recycled.
Compared with the prior art, the invention has the following beneficial effects: coarse-fine slot discharge port is high with centrifuge and second respectively
Frequency, which sieves, to be connected, and is provided with ash content detector in coarse-fine slot, junction is provided with the first shut-off valve and the second shut-off valve, can be with
When ash content qualification, allows coarse-fine slot discharging to enter centrifuge and be transported in the second high-frequency screen when ash content is exceeded by coarse-fine
It is handled subsequently into last raw coal system, reduces waste.
Detailed description of the invention
Following further describes the present invention with reference to the drawings.
Fig. 1 is the structural diagram of the present invention.
1 it is spiral in figure, 2 be sieve bend, 3 be coarse-fine slot, 4 be centrifuge, 5 is fine cleaned coal bucket, 6 to go dilute Jie
Bucket, 7 be the first high-frequency screen, 8 be the second high-frequency screen, 9 be last raw coal slot, 10 be thick cash slot, 11 be concentration basin, 12 be fine cleaned coal
Slot, 13 be ash content detector, 14 be the first shut-off valve, 15 be the second shut-off valve.
Specific embodiment
As shown in Figure 1, a kind of device of coarse-fine coal classification production of the present invention, including spiral 1 and sieve bend 2, also
Including the first high-frequency screen 7, the second high-frequency screen 8, centrifuge 4, coarse-fine slot 3, concentration basin 11, spiral is provided on spiral 1
The helicla flute outlet of slot and tipper, spiral 1 is connected with sieve bend 2, and tipper outlet is connected with the first high-frequency screen 7,
2 on-the-sieve material exit of sieve bend is connected with coarse-fine slot 3, and undersize material is connected with concentration basin 11, coarse-fine 3 discharge port of slot respectively with
Centrifuge 4 is connected with the second high-frequency screen 8, is provided with the first shut-off valve on the pipeline that coarse-fine 3 discharge port of slot is connected with centrifuge 4
14,3 discharge port of coarse-fine slot is connected with the second high-frequency screen 8 by belt, and connecting place is provided with the second shut-off valve 15, coarse-fine
Be provided with ash content detector 13 on slot 3,4 one upper side of centrifuge is provided with fine cleaned coal slot 12, the fine cleaned coal slot 12 with
Centrifuge 4 is connected, and the outlet of centrifuge 4 is provided with fine cleaned coal bucket 5 and removes dilute Jie's bucket 6, the outlet of centrifuge 4 respectively with fine cleaned coal bucket 5,
Go dilute Jie's bucket 6 to be connected, described first high-frequency screen 7 outlet is provided with thick cash slot 10, the outlet of the first high-frequency screen 7 respectively with concentration basin
11, thick cash slot 10 is connected, and described second high-frequency screen 8 outlet is provided with last raw coal slot 9, the outlet of the second high-frequency screen 8 respectively with it is dense
Contracting pond 11, last raw coal slot 9 are connected.
In the use of the present invention, coarse slime is by the way that after spiral 1, heavier material is carried out into the first high-frequency screen 7
Thick cash is screened out, rest materials enter concentration basin, and lighter material enters sieve bend 2, and 2 on-the-sieve material of sieve bend enters coarse-fine slot
3, undersize material enters concentration basin, in coarse-fine slot 3 carry out ash content detection, in ash content qualification, in coarse-fine slot 3 material enter from
Scheming 4, centrifugation generates fine cleaned coal and cleaned coal after mixing with fine cleaned coal, and cleaned coal, which enters, to be gone in dilute Jie's bucket to handle, when ash content is exceeded,
By operating valve, the material in coarse-fine slot 3 is introduced into the second high-frequency screen 8 and is sieved, screening rear portion enters concentration
Pond, a part enter in last raw coal system.
By the monitoring and processing to coarse-fine ash content of coal, coal quality is improved, technique is optimized, reduces loss.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also make without departing from the purpose of the present invention
Various change out.
Claims (6)
1. the device of coarse-fine coal classification production, including spiral (1) and sieve bend (2), it is characterised in that: further include first
High-frequency screen (7), the second high-frequency screen (8), centrifuge (4), coarse-fine slot (3), concentration basin (11), spiral are provided on (1)
The helicla flute outlet of helicla flute and tipper, spiral (1) is connected with sieve bend (2), tipper outlet and the first high frequency
It sieves (7) to be connected, sieve bend (2) on-the-sieve material exit is connected with coarse-fine slot (3), and undersize material is connected with concentration basin (11), slightly
Smart slot (3) discharge port is connected with centrifuge (4) and the second high-frequency screen (8) respectively.
2. the device of coarse-fine coal classification production according to claim 1, it is characterised in that: coarse-fine slot (3) discharging
It is provided with the first shut-off valve (14) on the pipeline that mouth is connected with centrifuge (4), coarse-fine slot (3) discharge port and the second high frequency
It sieves (8) to be connected by belt, connecting place is provided with the second shut-off valve (15).
3. the device of coarse-fine coal classification production according to claim 1, it is characterised in that: set on the coarse-fine slot (3)
It is equipped with ash content detector (13).
4. the device of coarse-fine coal classification production according to claim 1, it is characterised in that: described centrifuge (4) side
Top is provided with fine cleaned coal slot (12), and the fine cleaned coal slot (12) is connected with centrifuge (4).
5. the device of coarse-fine coal classification production according to claim 1, it is characterised in that: centrifuge (4) outlet
Be provided with fine cleaned coal bucket (5) and go dilute Jie's bucket (6), centrifuge (4) outlet respectively with fine cleaned coal bucket (5), go dilute Jie's bucket (6) phase
Even, described first high-frequency screen (7) outlet is provided with thick cash slot (10), the first high-frequency screen (7) outlet respectively with concentration basin (11),
Thick cash slot (10) is connected, and the second high-frequency screen (8) outlet is provided with last raw coal slot (9), the second high-frequency screen (8) outlet difference
It is connected with concentration basin (11), last raw coal slot (9).
6. the device of coarse-fine coal classification production according to claim 1, which is characterized in that application method are as follows:
1), thick mud coal is sieved by spiral (1), and the rough coal after screening carries out regrading by sieve bend (2),
Spoil enters the first high-frequency screen (7) and is sieved, and screens out thick cash；
2), rough coal sifts out coarse-fine coal into coarse-fine slot (3) by sieve bend (2), and ash content detection, ash are carried out in coarse-fine slot (3)
When dividing below setting value, coarse-fine coal enters centrifuge (4) and is handled, and mixes with fine cleaned coal, improves clean coal yield；Ash
It when dividing more than setting value, is controlled by valve, coarse-fine coal is transported in the second high-frequency screen (8) and is handled, handled
Coarse-fine coal afterwards, which enters in last raw coal system, to be recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810668584.8A CN109078747A (en) | 2018-06-26 | 2018-06-26 | The method and device of coarse-fine coal classification production |
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| CN201810668584.8A CN109078747A (en) | 2018-06-26 | 2018-06-26 | The method and device of coarse-fine coal classification production |
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