CN203620797U - Floatation system of coal preparation plant - Google Patents
Floatation system of coal preparation plant Download PDFInfo
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- CN203620797U CN203620797U CN201320763708.3U CN201320763708U CN203620797U CN 203620797 U CN203620797 U CN 203620797U CN 201320763708 U CN201320763708 U CN 201320763708U CN 203620797 U CN203620797 U CN 203620797U
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- flotation
- coal
- flotation device
- cleaned coal
- pipeline
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- 239000003245 coal Substances 0.000 title claims abstract description 96
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000005188 flotation Methods 0.000 claims abstract description 118
- 239000002562 thickening agent Substances 0.000 claims abstract description 13
- 238000007781 pre-processing Methods 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 17
- 230000018044 dehydration Effects 0.000 claims description 10
- 238000006297 dehydration reaction Methods 0.000 claims description 10
- 239000012141 concentrate Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 230000002000 scavenging effect Effects 0.000 abstract 4
- 239000002002 slurry Substances 0.000 abstract 3
- 239000007788 liquid Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 10
- 239000010883 coal ash Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Abstract
The utility model discloses a flotation system of a coal preparation plant. The flotation system comprises ore pulp pre-treating devices, flotation machines, a flotation cleaned coal defoaming barrel, slurry pumps, a scavenging cleaned coal defoaming barrel, a flotation cleaned coal dewatering device and a tailings thickener, wherein the ore pulp pre-treating devices are used for conveying ore pulp to two front chambers of three front flotation machines for completing rough flotation of coal slime, rough-flotation cleaned coal automatically flows to the flotation cleaned coal defoaming barrel, scavenging is completed by two rear chambers of the flotation machines, scavenging cleaned coal can automatically flow to the scavenging cleaned coal defoaming barrel and can be subjected to fine flotation by being conveyed to a fourth flotation machine by the slurry pumps, fine-flotation cleaned coal can automatically flow to the flotation cleaned coal defoaming barrel and can be dewatered by being conveyed to the flotation cleaned coal dewatering device by the slurry pumps, final flotation cleaned coal can be produced, filter liquor can be returned to the ore pulp pre-treating devices, tailings of the four flotation machines can be conveyed to the tailings thickener, liquid overflowed from the tailings thickener is circulating water, and underflow of the tailings thickener enters into a tailing coal slime dewatering device. According to the flotation system disclosed by the utility model, the method is simple and is easily realized, the flotation cleaned coal quality is increased, and the treating capacity and the treating efficiency of the flotation machines are increased.
Description
Technical field
The utility model relates to a kind of coal preparation plant production system and method, specifically relates to a kind of coal preparation plant floatation system.
Background technology
Flotation is the main method of processing aid for Micro-fine Coal Slurry Dewatering, and the one-part form coal slime floating process take flotation device as screening installation is widely used at present.But along with the raising of mining mechanization degree, coal slime output progressively increases, ature of coal worse and worse, the thin cement content of high ash increases, and carries the thin mud of high ash in floatation clean coal secretly, cause that floatation clean coal ash content is high, tail coal ash content is low, flotation poor selectivity, causes gravity treatment back of the body ash serious, causes clean coal recovery low.On the other hand, in coal slime flotation process, coal slime starts to float, the first two flotation cell of flotation device completes the 70%-80% of clean coal recovery, latter two flotation cell only completes the 20%-30% of clean coal recovery, flotation efficiency is low, and the thin mud of height ash that enters head coal product because of mechanical entrapment continues to increase with the prolongation of flotation time.The transformation of existing coal preparation plant floatation system is to increase or to change the flotation device that disposal ability is larger and increase other classification and sorting equipment and carry out technological transformation, as increase classifying cyclone and flotation column transform stage flotation etc. as, more than transform the space requirement of coal preparation plant's workshop very high, and need sufficient fund guarantee, and make the transformation of the floatation system of most of coal preparation plant be difficult to realize.Existing take flotation device as the main one-part form flotation production efficiency of separation is low, sorting poor selectivity, floatation equipment treating capacity be low, further becomes the important bottleneck that whole coal preparation plant head coal product Quality and yield promotes.
Utility model content
Technical problem: the purpose of this utility model is the weak point for existing coal preparation plant conventional flotation system, propose that a kind of method is simple, small investment, operating cost are low, be easy to coal preparation plant's floatation system of realizing, the efficiency of separation is high, flotation effect is good, carry that the floatation clean coal ash content causing is high, the problem of flotation poor selectivity to solve secretly because of the thin mud of high ash.
Technical scheme: coal preparation plant of the present utility model floatation system, comprises ore pulp pre-processing device, flotation device, pipeline, floatation clean coal froth breaking bucket, floatation clean coal dehydration equipment, tail coal thickener, scans cleaned coal froth breaking bucket and slag stock pump; Described flotation device is made up of four chambers altogether, flotation device has four, be respectively the first flotation device, the second flotation device, the 3rd flotation device and the 4th flotation device, described ore pulp pre-processing device has two, is respectively the first ore pulp pre-processing device and the second ore pulp pre-processing device; The first ore pulp pre-processing device is connected with the first flotation device and the second flotation device by pipeline simultaneously; The second ore pulp pre-processing device is connected with the 3rd flotation device by pipeline; The concentrate feeder of the first flotation device, the second flotation device and front two Room of the 3rd flotation device is connected floatation clean coal froth breaking bucket by pipeline; The concentrate feeder of rear two Room is connected and is scanned cleaned coal froth breaking bucket by pipeline, connects the 4th flotation device through the second slag stock pump and pipeline; Floatation clean coal froth breaking bucket is connected with floatation clean coal dehydration equipment with pipeline by the first slag stock pump, and floatation clean coal dehydration equipment is connected with the entrance of the first ore pulp pre-processing device by pipeline; Scan cleaned coal froth breaking bucket and be connected with the 4th flotation device with pipeline by the second slag stock pump, the first flotation device, the second flotation device, the 3rd flotation device and the mine tailing mouth of the 4th flotation device are connected tail coal thickener.
Beneficial effect: the utility model is on the basis of coal preparation plant's common flotation system, only change the pipeline rout of each flotation cell cleaned coal of flotation device, the froth pulp of the different flotation cells of flotation device is shunted to processing, roughly select cleaned coal using front two Room high flotation efficiency as roughly selecting to produce, rear two Room are as scanning, on the basis of conventional coal preparation plant flotation device system, set up and scan cleaned coal froth breaking bucket and slag stock pump, scanning cleaned coal enters last flotation device and carries out selected, for the thin high slime separation system of cement content of high ash, solved because of the thin mud of high ash to carry the floatation clean coal ash content causing secretly high, a difficult problem for flotation poor selectivity, greatly reduce the ash content of floatation clean coal, disposal ability and the efficiency of flotation device are improved.Set up and scan cleaned coal froth breaking bucket and slag stock pump, scanning cleaned coal enters last flotation device and carries out selected, this method for floating is mainly for the thin high slime separation system of cement content of high ash, solve and carried because of the thin mud of high ash that the floatation clean coal ash content causing is high, a difficult problem for flotation poor selectivity secretly, greatly improve floatation clean coal quality, improved disposal ability and the efficiency of flotation device.Its method is simple, and small investment takes up room little, and operating cost is low, is easy to realize, and good separation effect, has practicality widely.
Accompanying drawing explanation
The equipment contact figure of Tu1Shi the utility model coal preparation plant floatation system.
The process chart of Tu2Shi the utility model coal preparation plant floatation system.
In figure: 1, the first ore pulp pre-processing device; 2, the second ore pulp pre-processing device; 3, the first flotation device; 4, the second flotation device; 5, the 3rd flotation device; 6, the 4th flotation device; 7, floatation clean coal froth breaking bucket; 8, the first slag stock pump; 9, floatation clean coal dehydration equipment; 10, final floatation clean coal; 11, scan cleaned coal froth breaking bucket; 12, the second slag stock pump; 13, tail coal thickener; 14, thickener overflow; 15, thickener underflow; 3/1, the first pipeline; 3/2, second pipe; 4/1, the 3rd pipeline; 4/2, the 4th pipeline; 5/1, the 5th pipeline, 5/2, the 6th pipeline; 6/1, the 7th pipeline; 7/1, the 8th pipeline; 11/1, the 9th pipeline; 11/2, the tenth pipeline; 16, floatation feed; 17, ore pulp pretreatment; 18, roughly select; 19, scan; 20, selected.
The specific embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is further described:
Coal preparation plant of the present utility model floatation system, comprises the froth pulp of the different flotation cells of flotation device is shunted to processing, forms one and slightly sweeps a smart syllogic floatation process, take coal preparation plant's floatation system of 44 Room flotation devices as example, described coal preparation plant's floatation system comprises the first ore pulp pre-processing device 1 and the second ore pulp pre-processing device 2, the first flotation device 3, the second flotation device 4, the 3rd flotation device 5 and the 4th flotation device 6, the first pipeline 3/1, second pipe 3/2, the 3rd pipeline 4/1, the 4th pipeline 4/2, the 5th pipeline 5/1, the 6th pipeline 5/2, the 7th pipeline 6/1, the 8th pipeline 7/1, the 9th pipeline 11/1 and the tenth pipeline 11/2, floatation clean coal froth breaking bucket 7, slag stock pump 8, floatation clean coal dehydration equipment 9, scan cleaned coal froth breaking bucket 11, slag stock pump 12 and tail coal thickener 13, the first ore pulp pre-processing device 1 is connected with the first flotation device 3 and the second flotation device 4 by pipeline simultaneously, the second ore pulp pre-processing device 2 is connected with the 3rd flotation device 5 by pipeline, the concentrate feeder of the first flotation device 3, the second flotation device 4 and front two Room of the 3rd flotation device 5 is connected floatation clean coal froth breaking bucket 7 by pipeline, the concentrate feeder of rear two Room is connected and is scanned cleaned coal froth breaking bucket 11 by pipeline, connects the 4th flotation device 6 through slag stock pump 12 and pipeline, floatation clean coal froth breaking bucket 7 is connected with floatation clean coal dehydration equipment 9 with pipeline by the first slag stock pump 8, and floatation clean coal dehydration equipment 9 is connected with the entrance of the first ore pulp pre-processing device 1 by pipeline, scan cleaned coal froth breaking bucket 11 and be connected with the 4th flotation device 6 with pipeline by the second slag stock pump 12, the first flotation device 3, the second flotation device 4, the 3rd flotation device 5 are connected tail coal thickener 13 with the mine tailing mouth of the 4th flotation device 6.
The froth pulp of the different flotation cells of flotation device is shunted processing by described floatation system, cleaned coal is roughly selected to as roughly selecting 18 productions in front two Room of high flotation efficiency the first flotation device 3, the second flotation device 4 and the 3rd flotation device 5, rear two Room are as scanning 19, scan cleaned coal enter the 4th flotation device 6 carry out selected 20, selected cleaned coal with roughly select cleaned coal and merge into final floatation clean coal 10.
Claims (1)
1. coal preparation plant's floatation system, is characterized in that: it comprises ore pulp pre-processing device, flotation device, pipeline, floatation clean coal froth breaking bucket, floatation clean coal dehydration equipment, tail coal thickener, scans cleaned coal froth breaking bucket and slag stock pump; Described flotation device is made up of four chambers altogether, flotation device has four, be respectively the first flotation device, the second flotation device, the 3rd flotation device and the 4th flotation device, described ore pulp pre-processing device has two, is respectively the first ore pulp pre-processing device and the second ore pulp pre-processing device; The first ore pulp pre-processing device is connected with the first flotation device and the second flotation device by pipeline simultaneously; The second ore pulp pre-processing device is connected with the 3rd flotation device by pipeline; The concentrate feeder of the first flotation device, the second flotation device and front two Room of the 3rd flotation device is connected floatation clean coal froth breaking bucket by pipeline; The concentrate feeder of rear two Room is connected and is scanned cleaned coal froth breaking bucket by pipeline, connects the 4th flotation device through slag stock pump and pipeline; Floatation clean coal froth breaking bucket is connected with floatation clean coal dehydration equipment with pipeline by the first slag stock pump, and floatation clean coal dehydration equipment is connected with the entrance of the first ore pulp pre-processing device by pipeline; Scan cleaned coal froth breaking bucket and be connected with the 4th flotation device with pipeline by the second slag stock pump, the first flotation device, the second flotation device, the 3rd flotation device and the mine tailing mouth of the 4th flotation device are connected tail coal thickener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763708.3U CN203620797U (en) | 2013-11-27 | 2013-11-27 | Floatation system of coal preparation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763708.3U CN203620797U (en) | 2013-11-27 | 2013-11-27 | Floatation system of coal preparation plant |
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| Publication Number | Publication Date |
|---|---|
| CN203620797U true CN203620797U (en) | 2014-06-04 |
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| CN201320763708.3U Expired - Lifetime CN203620797U (en) | 2013-11-27 | 2013-11-27 | Floatation system of coal preparation plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657837A (en) * | 2013-11-27 | 2014-03-26 | 中国矿业大学 | Flotation system and flotation method for coal preparation plant |
| CN106984440A (en) * | 2017-03-31 | 2017-07-28 | 太原理工大学 | A kind of waste oil is used for the device and technique of coal flotation |
| CN113751210A (en) * | 2020-09-16 | 2021-12-07 | 江苏中浮矿业科技有限公司 | Cyclone accelerating device for flotation column and flotation column |
-
2013
- 2013-11-27 CN CN201320763708.3U patent/CN203620797U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103657837A (en) * | 2013-11-27 | 2014-03-26 | 中国矿业大学 | Flotation system and flotation method for coal preparation plant |
| CN106984440A (en) * | 2017-03-31 | 2017-07-28 | 太原理工大学 | A kind of waste oil is used for the device and technique of coal flotation |
| CN106984440B (en) * | 2017-03-31 | 2019-05-10 | 太原理工大学 | A kind of waste oil is used for the device and technique of coal flotation |
| CN113751210A (en) * | 2020-09-16 | 2021-12-07 | 江苏中浮矿业科技有限公司 | Cyclone accelerating device for flotation column and flotation column |
| CN113751210B (en) * | 2020-09-16 | 2023-07-11 | 江苏中浮矿业科技有限公司 | Cyclone accelerating device for flotation column and flotation column |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20150902 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20150902 |
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| RGAV | Abandon patent right to avoid regrant |