CN203124086U - Middling-gangue magnetic separation tailing treating system - Google Patents
Middling-gangue magnetic separation tailing treating system Download PDFInfo
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- CN203124086U CN203124086U CN 201320120677 CN201320120677U CN203124086U CN 203124086 U CN203124086 U CN 203124086U CN 201320120677 CN201320120677 CN 201320120677 CN 201320120677 U CN201320120677 U CN 201320120677U CN 203124086 U CN203124086 U CN 203124086U
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Abstract
The utility model discloses a middling-gangue magnetic separation tailing treating system which can recover more clean coal in middling-gangue coarse slime. The middling-gangue magnetic separation tailing treating system comprises a whirlcone set, a sieving device, a flotation selecting device and a matched material conveying device, wherein the sieving device and the flotation selecting device are connected with the whirlcone set. Conveying directions of materials in the whirlcone set include that: selected materials are conveyed to the sieving device, and tailings are conveyed to the flotation selecting device. Conveying directions of the materials in the sieving device include that: the selected materials are conveyed to collect, and the tailings are returned to the whirlcone set. Conveying directions of the materials in the flotation selecting device include that: the selected materials are conveyed to collect, and the tailings are conveyed to a concentrating press-filtering device. The sieving device comprises an arc-shaped sieve and a high-frequency sieve with specifications matched with that of the flotation selecting device, conveying directions of the materials in the arc-shaped sieve include that: the selected materials are conveyed to the high-frequency sieve, the tailings are returned to the whirlcone set, conveying directions of the materials in the high-frequency sieve include that: the selected materials are taken as collected middling-gangue products, and the tailings are returned to the whirlcone set. Via the middling-gangue magnetic separation tailing treating system, coal slime emission is reduced, coal resource utilization rate is improved, and environment is effectively protected.
Description
Technical field
The utility model relates to middle coal and the spoil treatment system in a kind of coal preparation plant washing process flow process.
Background technology
At present, heavy-media coal preparation process has become the main flow technology of coal preparation plant.The main screening installation of Ba Guan river coal preparation plant of cleaned coal branch company of the flourish Energy Co., Ltd. of Sichuan China adopts 3SNWX Φ 1300/920 not have to press two Jie's three products cyclones that heavily are situated between of giving, the cleaned coal that the cyclone that heavily is situated between comes out, middle coal and spoil enter magnetic separator respectively and carry out de-mediated, middle cash magnetic tailing is after the cyclone fraction choosing, coarse slime filters out middle coal through high frequency, and tailing is directly delivered to concentrated filter-pressing device and handled.
Because in not having in this heavy Jie's separation system, the cash coarse slime recovery system, a large amount of coarse slimes enter the subsequent technique link, not only the part cleaned coal fails effectively to utilize, and also influences the flotation device operation, causes thickener to press rake.
The utility model content
Technical problem to be solved in the utility model provides in a kind of can the recovery more the middle cash magnetic tailing treatment system of cleaned coal in the cash coarse slime.
The technical scheme that its technical problem that solves the utility model adopts is: middle cash magnetic tailing treatment system, comprise cyclone group and the screening plant that is connected with the cyclone group respectively, concentrated filter-pressing device, and supporting device for transporting objects, the flow direction of material of cyclone group is: select material and remove screening plant, tailing removes to concentrate filter-pressing device; The flow direction of material of screening plant bag is: select material and collect, tailing returns the cyclone group, is provided with flotation unit between described cyclone group and the concentrated filter-pressing device, and the flow direction of material of flotation unit is: select material and collect, tailing enters concentrated filter-pressing device.
Described screening plant comprises the high frequency sieve, and the flow direction of material of high frequency sieve is: selecting material is the middle product of coal that collects, and tailing returns the cyclone group.
Described screening plant also comprises the sieve bend that the specification of specification and flotation unit is complementary, and the flow direction of material of sieve bend is: select flow direction of material high frequency sieve, tailing returns the cyclone group.
Described concentrated filter-pressing device comprises tail coal concentration basin and filter press, and the flow direction of material of tail coal concentration basin is: select material and enter filter press, tailing is recirculated water; The flow direction of material of filter press is: selecting material is the coal slime that collects, and tailing returns the tail coal concentration basin.
The beneficial effects of the utility model are: according to the improvement to the black water technological process, the cleaned coal that middle cash is concentrated the overflow of cyclone group reclaims by flotation unit, has reduced the coal slime discharging, improves the coal resources utilization rate, has protected environment effectively.
Description of drawings
Fig. 1 is the schematic diagram of existing middle cash magnetic tailing treatment system.
Fig. 2 is the schematic diagram of cash magnetic tailing treatment system in the utility model.
Be labeled as 1-cyclone group, 2-flotation unit, 3-sieve bend, 4-high frequency sieve, 5-tail coal concentration basin, 6-filter press among the figure.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 2, cash magnetic tailing treatment system comprises cyclone group 1 and the screening plant that is connected with cyclone group 1 respectively, concentrated filter-pressing device in of the present utility model, and supporting device for transporting objects, the flow direction of material of cyclone group 1 is: select material and remove screening plant, tailing removes flotation unit 2, and the flow direction of material of screening plant is: select material and collect, tailing returns cyclone group 1, the flow direction of material of flotation unit 2 is: select material and collect, tailing enters concentrated filter-pressing device.The cleaned coal particle that utilizes flotation unit to contain in the cash magnetic tailing in can better reclaiming, not only avoided the thickener of tail coal concentration basin 5 to press rake, make that system's operation is more smooth and easy, make also that simultaneously finally entering the slime content that concentrates filter-pressing device reduces, and has reduced the coal slime discharging.
In the utility model treatment system, connect by corresponding device for transporting objects between each device, described device for transporting objects can adopt the conventional device for transporting objects of this area, flow direction of material has clearly reflected the direction of motion of material between each device, defines the import and export annexation between each device.
Preferably, described screening plant comprises high frequency sieve 4, and the flow direction of material of high frequency sieve 4 is: selecting material is the middle product of coal that collects, and tailing returns cyclone group 1, utilize the middle coal composition in the cash magnetic tailing in 4 collections of high frequency sieve, improved the utilization rate of coal resources.
Better scheme is: described screening plant also comprises the sieve bend 3 that the specification of specification and flotation unit 2 is complementary, the flow direction of material of sieve bend 3 is: select flow direction of material high frequency sieve 4, tailing returns cyclone group 1, utilize sieve bend 3 to reclaim thicker coal slime, the design parameter of guaranteeing to enter the material specification of flotation unit and flotation unit is suitable, guarantee that flotation unit works in optimum state, to reclaim more cleaned coal.
Usually described concentrated filter-pressing device can adopt tail coal concentration basin 5 and filter press 6, and the flow direction of material of tail coal concentration basin 5 is: select material and enter filter press 6, tailing is recirculated water; The flow direction of material of filter press 6 is: selecting material is the coal slime that collects, and tailing returns tail coal concentration basin 5.
Embodiment:
Cash magnetic tailing treatment system as shown in Figure 2 during certain coal preparation plant was original, middle cash magnetic tailing treatment system, comprise cyclone group 1 and the screening plant that is connected with cyclone group 1 respectively and concentrated filter-pressing device, what wherein screening plant adopted is high frequency sieve 4, concentrating filter-pressing device is made up of the tail coal concentration basin 5 and the filter press 6 that connect successively, press filtration coal slime ash content is on the low side, is about 42%, and tail coal reclaims difficulty.
As shown in Figure 2, utilize the utility model that the middle cash magnetic tailing treatment system of this coal preparation plant is transformed after, the flow direction of material of cyclone group 1 is: select material and remove screening plant, tailing removes flotation unit 2; The flow direction of material of flotation unit 2 is: select material and collect, tailing enters concentrated filter-pressing device, described screening plant comprises high frequency sieve 4 and the sieve bend 3 that is complementary with the specification of flotation unit 2, the flow direction of material of sieve bend 3 is: select flow direction of material high frequency sieve 4, tailing returns cyclone group 1, the flow direction of material of high frequency sieve 4 is: selecting material is the middle product of coal that collects, tailing returns cyclone group 1, concentrated filter-pressing device comprises tail coal concentration basin 5 and filter press 6, the flow direction of material of tail coal concentration basin 5 is: select material and enter filter press 6, tailing is recirculated water; The flow direction of material of filter press 6 is: selecting material is the coal slime that collects, and tailing returns tail coal concentration basin 5.
Press filtration coal slime ash content about 42% rising to about 56% before transform, annual income from sales can increase about 1658.07 ten thousand yuan.
Claims (4)
1. middle cash magnetic tailing treatment system, comprise cyclone group (1) and the screening plant that is connected with cyclone group (1) respectively, concentrated filter-pressing device, and supporting device for transporting objects, the flow direction of material of cyclone group (1) is: select material and remove screening plant, tailing removes to concentrate filter-pressing device; The flow direction of material of screening plant is: select material and collect, tailing returns cyclone group (1), it is characterized in that: be provided with flotation unit (2) between described cyclone group (1) and the concentrated filter-pressing device, the flow direction of material of flotation unit (2) is: select material and collect, tailing enters concentrated filter-pressing device.
2. cash magnetic tailing treatment system in as claimed in claim 1 is characterized in that: described screening plant comprises high frequency sieve (4), and the flow direction of material of high frequency sieve (4) is: selecting material is the middle product of coal that collects, and tailing returns cyclone group (1).
3. cash magnetic tailing treatment system in as claimed in claim 2, it is characterized in that: described screening plant also comprises the sieve bend (3) that the specification of specification and flotation unit (2) is complementary, the flow direction of material of sieve bend (3) is: select flow direction of material high frequency sieve (4), tailing returns cyclone group (1).
4. as claim 1,2 or 3 described middle cash magnetic tailing treatment systems, it is characterized in that: described concentrated filter-pressing device comprises tail coal concentration basin (5) and filter press (6), the flow direction of material of tail coal concentration basin (5) is: select material and enter filter press (6), tailing is recirculated water; The flow direction of material of filter press (6) is: selecting material is the coal slime that collects, and tailing returns tail coal concentration basin (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120677 CN203124086U (en) | 2013-03-15 | 2013-03-15 | Middling-gangue magnetic separation tailing treating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320120677 CN203124086U (en) | 2013-03-15 | 2013-03-15 | Middling-gangue magnetic separation tailing treating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203124086U true CN203124086U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320120677 Expired - Fee Related CN203124086U (en) | 2013-03-15 | 2013-03-15 | Middling-gangue magnetic separation tailing treating system |
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| CN (1) | CN203124086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233975A (en) * | 2015-11-05 | 2016-01-13 | 鞍钢集团矿业公司 | Tailing treatment process in poor magnetic iron ore beneficiation process |
-
2013
- 2013-03-15 CN CN 201320120677 patent/CN203124086U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233975A (en) * | 2015-11-05 | 2016-01-13 | 鞍钢集团矿业公司 | Tailing treatment process in poor magnetic iron ore beneficiation process |
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| 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: 20130814 Termination date: 20160315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |