CN206424688U - A kind of magnesite concentrate selection slurry filtration system - Google Patents
A kind of magnesite concentrate selection slurry filtration system Download PDFInfo
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- CN206424688U CN206424688U CN201720099542.8U CN201720099542U CN206424688U CN 206424688 U CN206424688 U CN 206424688U CN 201720099542 U CN201720099542 U CN 201720099542U CN 206424688 U CN206424688 U CN 206424688U
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Abstract
A kind of magnesite concentrate selection slurry filtration system, belongs to magnesia refractories technical field.The utility model includes subsider, pulp tank, ore slurry pump, filter, vacuum submerged soil, steam-water separator, vavuum pump, air reservoir and liquid rotary compressor；Subsider discharging opening is connected with pulp tank charging aperture, pulp tank discharging opening is connected with ore slurry pump charging aperture, ore slurry pump discharging opening is connected with filtering machine inlet, filter liquid outlet is connected with vacuum submerged soil inlet, vacuum submerged soil liquid outlet is connected with steam-water separator inlet, steam-water separator gas outlet is connected with air-inlet of vacuum pump, and the gas outlet of vavuum pump is connected with air；The air inlet of filter is connected with the gas outlet of air reservoir, and the air inlet of air reservoir is connected with the gas outlet of liquid rotary compressor, and the air inlet of liquid rotary compressor is connected with air；The overfall of subsider is water return outlet, and the delivery port of air reservoir, vacuum submerged soil and steam-water separator is water return outlet.
Description
Technical field
The utility model belongs to magnesia refractories technical field, more particularly to a kind of magnesite concentrate selection slurry filtration
System.
Background technology
The magnesite resource of China enriches, according to statistics, year yield ranked first in the world more than 30,000,000 tons.By several
10 years " chicken coop formula " exploitation, the magnesite resource of high-quality is fewer and fewer, and low-grade magnesite can not meet the market demand, this
Require, by flotation by the SiO in low-grade magnesite2, CaO and Fe2O3Deng impurity removal, be prepared into concentrate, middle concentrate and
Mine tailing etc., to meet the different market demands.
Up to the present, only small-sized flotation mill of a few families, after the clarified pond clarification of concentrate slurry after its flotation, portion big absolutely
Water Sproading is divided to recycle, concentrate is used to prepare high-grade magnesia refractories.But, the filtration facility of magnesite concentrate slurry is all used
Concentrator+cylindrical drum filter combination form, the shortcoming of this combination is：Floor space is big, unit area production capacity
Small, capital expenditure is big, low production efficiency, automaticity is low, operating cost is high and filter cloth can not regenerate；Filtering
Concentrate moisture content afterwards is up to more than 14%, not only causes the waste of water resource, can also cause the increase of subsequent technique energy consumption, shadow
Ring the economic benefit of enterprise.
Utility model content
The problem of existing for prior art, a kind of capital expenditure of the utility model offer is small, production efficiency is high, run into
The low magnesite concentrate selection slurry filtration system of this low, energy consumption.
To achieve these goals, the utility model is adopted the following technical scheme that：A kind of magnesite concentrate selection slurry filtration
System, including subsider, pulp tank, ore slurry pump, filter, vacuum submerged soil, steam-water separator, vavuum pump, air reservoir and
Liquid rotary compressor；The discharging opening of the subsider is connected with the charging aperture of pulp tank, the discharging opening of pulp tank and ore slurry pump
Charging aperture is connected, and the discharging opening of ore slurry pump is connected with the charging aperture of filter, liquid outlet and the vacuum submerged soil of filter
Inlet be connected, the liquid outlet of vacuum submerged soil is connected with the inlet of steam-water separator, the outlet of steam-water separator
Mouth is connected with the air inlet of vavuum pump, and the gas outlet of vavuum pump is connected with air；The air inlet and air reservoir of filter
Gas outlet be connected, the air inlet of air reservoir is connected with the gas outlet of liquid rotary compressor, the air inlet of liquid rotary compressor
It is connected with air；The overfall of subsider is water return outlet, and the delivery port of air reservoir, vacuum submerged soil and steam-water separator is
Water return outlet.
The subsider is using deep cone high rate settling.
The filter is divided into using horizontal rotation disc type filter, horizontal rotation disc type filter by function：Enter
Expect area, suction strainer area, trough and blowback discharge zone, it carries the unloader opposite with filter direction of rotation, the unloader
Discharging opening be concentrate selection outlet.
The vavuum pump uses water ring vacuum pump.
Compared with prior art, the beneficial effects of the utility model：
1st, the utility model can reduce the moisture of concentrate selection below 8%, concentrate selection (butt) per ton can many backwater 0.076~
0.121t, correspondingly, is often calcined one ton of concentrate, can save heat consumption and convert into standard coal 8.69~13.83kg；
2nd, the utility model unit area production capacity is big, up to 2.0t/m2H (butt), enormously simplify technological process, subtracts
Lack floor space, reduced capital expenditure, add the performance of enterprises.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of magnesite concentrate selection slurry filtration system of the present utility model；
Fig. 2 is the subregion graph of a relation of filter of the present utility model；
In figure：1- subsiders, 2- pulp tanks, 3- ore slurry pumps, 4- filters, 4.1- unloaders, 5- vacuum submerged soils, 6- vapour
Separator, 7- vavuum pumps, 8- air reservoirs, 9- liquid rotary compressors；
A- concentrate pulps, B1, B2- backwater, C- concentrate selections, D- filter cloth wash waters, F1, E2- air；
I- feed zones, II- suction strainers area, III- troughs, IV- blowback discharge zones.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1：
A kind of magnesite concentrate selection slurry filtration system, as shown in Figure 1 and Figure 2, including subsider 1, pulp tank 2, ore slurry pump
3rd, filter 4, vacuum submerged soil 5, steam-water separator 6, vavuum pump 7, air reservoir 8 and liquid rotary compressor 9；The subsider 1
Discharging opening be connected with the charging aperture of pulp tank 2, the discharging opening of pulp tank 2 is connected with the charging aperture of ore slurry pump 3, ore slurry pump
3 discharging opening is connected with the charging aperture of filter 4, and the liquid outlet of filter 4 is connected with the inlet of vacuum submerged soil 5,
The liquid outlet of vacuum submerged soil 5 is connected with the inlet of steam-water separator 6, gas outlet and the vavuum pump 7 of steam-water separator 6
Air inlet is connected, and the gas outlet of vavuum pump 7 is connected with air E2；The air inlet of filter 4 and the gas outlet of air reservoir 8
It is connected, the air inlet of air reservoir 8 is connected with the gas outlet of liquid rotary compressor 9, the air inlet and air of liquid rotary compressor 9
F1 is connected；The overfall of subsider 1 is B1 mouthfuls of backwater, the delivery port of air reservoir 8, vacuum submerged soil 5 and steam-water separator 6
For B2 mouthfuls of backwater.
In the present embodiment, the subsider 1 is using deep cone high rate settling, and its ratio of height to diameter is 1.0, and bottom cone angle is 17
~25 °, the bottom cone angle of the deep cone high rate settling used in the present embodiment is 20 °.The vavuum pump 7 uses Water-ring vacuum
Pump.The filter 4 is divided into using horizontal rotation disc type filter, horizontal rotation disc type filter by function：Feed zone
I, suction strainer area II, trough III and blowback discharge zone IV, it carries the unloader 4.1 opposite with the direction of rotation of filter 4, institute
The discharging opening of unloader 4.1 is stated to export for concentrate selection C.
The present embodiment is illustrated by taking dry bauxite powder preparation unit as an example, and its main equipment specification is as follows：
Deep cone high rate settling：φ 16 × 16m, 1；
Horizontally rotate disc type filter：62m2, 1；
Water ring vacuum pump：320m3/ min, vacuum：0.3~0.5bar, 1；
The system of the said equipment composition, its filter capacity is：120t/h (butt).
Before use, first the charging aperture of the subsider 1 is connected with concentrate pulp A material mouth of coming, by entering for filter 4
The mouth of a river is connected with filter cloth wash water D water inlet.
Using the filter method of described magnesite concentrate selection slurry filtration system, comprise the following steps：
Step one：Sedimentation,
MgO mass percents 46.5% (butt), mass percent concentration 35%, -74 μm of fineness accounts for 70% concentrate ore deposit
Starch A and subsider 1 is entered by the charging aperture of subsider 1, in the presence of gravity and mixing power, water and ore pulp layering, water is from sedimentation
The top of groove 1 overfall outflow is recycled as backwater R1, in overflow admittedly contain 10g/L, ore pulp by the bottom of subsider 1 discharging
Mouth enters pulp tank 2, and the mass concentration percentage of ore pulp is 65%, then delivers to filter 4 through ore slurry pump 3；
Step 2：Filtering,
Mass concentration percentage is the feed zone I of the entrance filter 4 of 65% ore pulp continuous uniform, and makes thickness of feed layer
60mm or so is maintained at, with the rotation of filter 4, ore pulp enters the suction strainer area II of filter 4, and vacuum is inhaled in vavuum pump 7
Under effect, the moisture in ore pulp is drawn to discharge after vacuum submerged soil 5 and steam-water separator 6 and recycled as backwater B2, very
The vacuum of empty pump 7 is 0.3bar；Filter cake after being separated with moisture enters the trough III and blowback discharge zone IV of filter 4,
Drawn off through the compressed air blowback in liquid rotary compressor 9 and air reservoir 8, then through unloader 4.1 as concentrate selection C, pendular ring pressure
The compressed air of contracting machine 9 is recycled after the water outlet of air reservoir 8 by the discharge of the delivery port of air reservoir 8 as backwater B2, described
Concentrate selection C moisture content is 8% (mass ratio).
Compared with prior art, the beneficial effect of the present embodiment：
1st, can reduce the moisture 8% of concentrate selection, concentrate selection (butt) per ton can many backwater 0.076t, correspondingly, be often calcined
One ton of concentrate, can save heat consumption and convert into standard coal 8.69kg；
2nd, unit area production capacity is big, up to 2.0t/m2H (butt), enormously simplify technological process, reduces occupation of land face
Product, reduces capital expenditure, adds the performance of enterprises.
Embodiment 2：
Using the filter method of the magnesite concentrate selection slurry filtration system described in embodiment 1, comprise the following steps：
Step one：Sedimentation,
MgO mass percents 47% (butt), mass percent concentration 32.5%, -74 μm of fineness accounts for 75% concentrate ore deposit
Starch A and subsider 1 is entered by the charging aperture of subsider 1, in the presence of gravity and mixing power, water and ore pulp layering, water is from sedimentation
The top of groove 1 overfall outflow is recycled as backwater B1, in overflow admittedly contain 10g/L, ore pulp by the bottom of subsider 1 discharging
Mouth enters pulp tank 2, and the mass concentration percentage of ore pulp is 68%, then delivers to filter 4 through ore slurry pump 3；
Step 2：Filtering,
Mass concentration percentage is the feed zone I of the entrance filter 4 of 68% ore pulp continuous uniform, and makes thickness of feed layer
80mm or so is maintained at, with the rotation of filter 4, ore pulp enters the suction strainer area II of filter 4, and vacuum is inhaled in vavuum pump 7
Under effect, the moisture in ore pulp is drawn to discharge after vacuum submerged soil 5 and steam-water separator 6 and recycled as backwater B2, very
The vacuum of empty pump 7 is 0.4bar；Filter cake after being separated with moisture enters the trough III and blowback discharge zone IV of filter 4,
Drawn off through the compressed air blowback in liquid rotary compressor 9 and air reservoir 8, then through unloader 4.1 as concentrate selection C, pendular ring pressure
The compressed air of contracting machine 9 is recycled after the water outlet of air reservoir 8 by the discharge of the delivery port of air reservoir 8 as backwater B2, described
Concentrate selection C moisture content is 6% (mass ratio).
Compared with prior art, the beneficial effect of the present embodiment：
1st, can reduce the moisture 6% of concentrate selection, concentrate selection (butt) per ton can many backwater 0.099t, correspondingly, be often calcined
One ton of concentrate, can save heat consumption and convert into standard coal 11.31kg；
2nd, unit area production capacity is big, up to 2.0t/m2H (butt), enormously simplify technological process, reduces occupation of land face
Product, reduces capital expenditure, adds the performance of enterprises.
Embodiment 3：
Using the filter method of the magnesite concentrate selection slurry filtration system described in embodiment 1, comprise the following steps：
Step one：Sedimentation,
MgO mass percents 47.3% (butt), mass percent concentration 25%, -74 μm of fineness accounts for 75% concentrate ore deposit
Starch A and subsider 1 is entered by the charging aperture of subsider 1, in the presence of gravity and mixing power, water and ore pulp layering, water is from sedimentation
The top of groove 1 overfall outflow is recycled as backwater B1, in overflow admittedly contain 10g/L, ore pulp by the bottom of subsider 1 discharging
Mouth enters pulp tank 2, and the mass concentration percentage of ore pulp is 72%, then delivers to filter 4 through ore slurry pump 3；
Step 2：Filtering,
Mass concentration percentage is the feed zone I of the entrance filter 4 of 72% ore pulp continuous uniform, and makes thickness of feed layer
100mm or so is maintained at, with the rotation of filter 4, ore pulp enters the suction strainer area II of filter 4, and vacuum is inhaled in vavuum pump 7
Under effect, the moisture in ore pulp is drawn to discharge after vacuum submerged soil 5 and steam-water separator 6 and recycled as backwater B2, very
The vacuum of empty pump 7 is 0.5bar；Filter cake after being separated with moisture enters the trough III and blowback discharge zone IV of filter 4,
Drawn off through the compressed air blowback in liquid rotary compressor 9 and air reservoir 8, then through unloader 4.1 as concentrate selection C, pendular ring pressure
The compressed air of contracting machine 9 is recycled after the water outlet of air reservoir 8 by the discharge of the delivery port of air reservoir 8 as backwater B2, described
Concentrate selection C moisture content is 4% (mass ratio).
Compared with prior art, the beneficial effect of the present embodiment：
1st, can reduce the moisture 4% of concentrate selection, concentrate selection (butt) per ton can many backwater 0.121t, correspondingly, be often calcined
One ton of concentrate, can save heat consumption and convert into standard coal 13.83kg；
2nd, unit area production capacity is big, up to 2.0t/m2H (butt), enormously simplify technological process, reduces occupation of land face
Product, reduces capital expenditure, adds the performance of enterprises.
Claims (4)
1. a kind of magnesite concentrate selection slurry filtration system, it is characterised in that including subsider, pulp tank, ore slurry pump, filter,
Vacuum submerged soil, steam-water separator, vavuum pump, air reservoir and liquid rotary compressor；The discharging opening and pulp tank of the subsider
Charging aperture be connected, the discharging opening of pulp tank is connected with the charging aperture of ore slurry pump, the discharging opening of ore slurry pump and filter
Charging aperture is connected, and the liquid outlet of filter is connected with the inlet of vacuum submerged soil, the liquid outlet and vapour of vacuum submerged soil
The inlet of separator is connected, and the gas outlet of steam-water separator is connected with the air inlet of vavuum pump, the outlet of vavuum pump
Mouth is connected with air；The air inlet of filter is connected with the gas outlet of air reservoir, the air inlet and pendular ring of air reservoir
The gas outlet of compressor is connected, and the air inlet of liquid rotary compressor is connected with air；The overfall of subsider is water return outlet, empty
The delivery port of gas storage tank, vacuum submerged soil and steam-water separator is water return outlet.
2. magnesite concentrate selection slurry filtration system according to claim 1, it is characterised in that the subsider is using deep
Bore high rate settling.
3. magnesite concentrate selection slurry filtration system according to claim 1, it is characterised in that the filter uses water
Flat disc type filter, horizontal rotation disc type filter is divided into by function：Feed zone, suction strainer area, trough and blowback
Discharge zone, it carries the unloader opposite with filter direction of rotation, and the discharging opening of the unloader exports for concentrate selection.
4. magnesite concentrate selection slurry filtration system according to claim 1, it is characterised in that the vavuum pump uses water
Ring vacuum pump.
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| CN201720099542.8U CN206424688U (en) | 2017-01-23 | 2017-01-23 | A kind of magnesite concentrate selection slurry filtration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693512A (en) * | 2017-01-23 | 2017-05-24 | 沈阳鑫博工业技术股份有限公司 | Magnesite concentrate pulp filtering system and filtering method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106693512A (en) * | 2017-01-23 | 2017-05-24 | 沈阳鑫博工业技术股份有限公司 | Magnesite concentrate pulp filtering system and filtering method |
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