CN206391726U - A kind of magnesite selects mine tailing slurry filtration device - Google Patents
A kind of magnesite selects mine tailing slurry filtration device Download PDFInfo
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- CN206391726U CN206391726U CN201720057623.1U CN201720057623U CN206391726U CN 206391726 U CN206391726 U CN 206391726U CN 201720057623 U CN201720057623 U CN 201720057623U CN 206391726 U CN206391726 U CN 206391726U
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- filter
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- pipeline
- magnesite
- tank
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- 239000001095 magnesium carbonate Substances 0.000 title claims abstract description 35
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 title claims abstract description 35
- 229910000021 magnesium carbonate Inorganic materials 0.000 title claims abstract description 35
- 235000014380 magnesium carbonate Nutrition 0.000 title claims abstract description 35
- 239000002002 slurry Substances 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000004744 fabric Substances 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000005406 washing Methods 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 5
- 239000000395 magnesium oxide Substances 0.000 abstract description 2
- 239000011819 refractory material Substances 0.000 abstract description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 description 6
- 239000003814 drug Substances 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000001354 calcination Methods 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005188 flotation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000287828 Gallus gallus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
A kind of magnesite selects mine tailing slurry filtration device, belongs to magnesia refractories technical field, and the magnesite selects mine tailing slurry filtration device to include：Subsider, slurry vessel, shurry pump, filter press, return flume and back water pump；Subsider is provided with mine tailing ore pulp charging aperture, discharging opening and delivery port, and the discharging opening of subsider is connected with the charging aperture of slurry vessel, and the discharging opening of slurry vessel is connected with the charging aperture of shurry pump；Filter press is provided with charging aperture, liquid outlet and discharging opening, and the discharging opening of shurry pump is connected with the charging aperture of filter press, and the liquid outlet of filter press is connected with the inlet of return flume, and the liquid outlet of return flume is connected with the inlet of back water pump.Magnesite in the utility model selects mine tailing slurry filtration device to add unit area production capacity, and the moisture content of obtained filter cake is considerably less, saved the floor space of mine tailing, it is to avoid the filter cloth in the wasting of resources, and filter process can be recycled.
Description
Technical Field
The utility model relates to a magnesian refractory material technical field, in particular to magnesite tailing ore pulp filter equipment selects.
Background
The magnesite in China is abundant in resources, and according to statistics, the annual exploitation amount exceeds 3000 million tons and is the first in the world. After decades of 'chicken nest type' mining, high-quality magnesite resources are less and less, low-grade magnesite cannot meet market requirements easily, and the SiO in the low-grade magnesite is subjected to flotation2CaO and Fe2O3And removing impurities to prepare concentrate, medium concentrate, tailings and the like so as to meet different market demands.
So far, after the tailings floated by a flotation plant are all clarified by a clarification tank, most of reagents and water are recycled, the tailings are stored in a tailing yard for discarding, the tailings not only occupy a large amount of land, but also cause magnesite resource waste and environmental pollution; the filtering facilities for selecting tailing pulp from magnesite adopt a combination type of a thickener and a cylindrical drum filter, the thickener is a backward filtering device, the capacity per unit area is small, the occupied area is large, the efficiency is low, the overflow is recycled after water is recovered, and the underflow is tailing pulp containing 45-60% of water and is sent to be filtered; the cylindrical drum filter also has the defects of small capacity per unit area and low efficiency, the filter cloth cannot be regenerated, the water content of the filtered tailings still reaches more than 20 percent, the waste of water resources is caused, the energy consumption of the subsequent process is increased, and the economic benefit of an enterprise is influenced.
SUMMERY OF THE UTILITY MODEL
Abandon usefulness in order to solve current tailing, cause the wasting of resources, and the unit area productivity that adopts thickener and drum rotary drum filter is little, and is inefficient, and area is big, the higher and filter cloth problem that can not regenerate of moisture content, the utility model provides a tailing pulp filter equipment is selected to magnesite, tailing pulp filter equipment is selected to magnesite includes: a settling tank, a slurry pump, a filter press, a water return tank and a water return pump;
the settling tank is provided with a tailing pulp feeding hole, a tailing pulp discharging hole and a water outlet, the discharging hole of the settling tank is communicated with the feeding hole of the pulp tank, and the discharging hole of the pulp tank is communicated with the feeding hole of the pulp pump;
the pressure filter is equipped with feed inlet, liquid outlet and discharge gate, the discharge gate of stuff pump with the feed inlet intercommunication of pressure filter, the liquid outlet of pressure filter with the inlet intercommunication of return water tank, the liquid outlet of return water tank with the inlet intercommunication of return water pump.
The discharge hole of the settling tank is communicated with the feed inlet of the slurry tank through a pipeline, and a valve is arranged on the pipeline.
The discharge hole of the slurry groove is communicated with the feed inlet of the slurry pump through a pipeline, and a valve is arranged on the pipeline.
The liquid outlet of the filter press is communicated with the liquid inlet of the return water tank through a pipeline, and a valve is arranged on the pipeline.
The liquid outlet of the return water tank is communicated with the liquid inlet of the return water pump through a pipeline, and a valve is arranged on the pipeline.
The discharge hole of the slurry pump is communicated with the feed inlet of the filter press through a pipeline, and a compressed air inlet valve is arranged on the pipeline.
The filter press is also provided with a water inlet which is communicated with the filter cloth washing water inlet.
The water inlet of the filter press is communicated with the filter cloth washing water inlet through a pipeline, and a valve is arranged on the pipeline.
The filter press is a vertical filter press.
The height-diameter ratio of the settling tank is n, n is more than or equal to 1.0 and less than or equal to 1.2, the bottom cone angle is a, and a is more than or equal to 17 degrees and less than or equal to 25 degrees.
Through using the utility model provides a moisture content of the filter cake that magnesite tailing ore pulp filter equipment obtained is very few, greatly reduced the moisture content of tailing, the moisture content of tailing can reduce to below 10%, can return water 0.11 tons more per ton filter cake (dry basis), correspondingly, can practice thrift heat consumption and convert into standard coal 12.6kg per ton of calcination filter cake, adopt the utility model provides a device can obtain more return water that can recycle to the filter cake that obtains can be used for the calcination to produce the heat, for leaving the tailing in the tailing yard in prior art and abandoning and using, has practiced thrift the area of tailing, has rationally utilized the tailing, has avoided the wasting of resources; just the utility model provides a filter equipment has increased the unit area productivity for current filter equipment, and efficiency is higher, and the filter cloth in the filtering process can cyclic utilization.
Drawings
Figure 1 is the utility model provides a magnesite tailing ore pulp filter equipment of selecting.
Wherein,
1, 11 tailing pulp feed inlets, 12 discharge outlets of settling tanks and 13 water outlets of the settling tanks;
2 slurry tank, 21 feed inlet of slurry tank, 22 discharge outlet of slurry tank;
3, a slurry pump;
4, a filter press, 41, a feed inlet of the filter press, 42, a discharge outlet of the filter press, 43 and a water inlet of the filter press;
5, returning the water to the water tank, 51 returning the water to the liquid inlet of the water tank, and 52 returning the water to the liquid outlet of the water tank;
6, returning the water to the pump;
a, tailing pulp; b, medicament aqueous solution; c, compressing air; d, filtering cloth and washing water; e, filtering a filter cake; f, returning water.
Detailed Description
Abandon usefulness in order to solve current tailing, cause the wasting of resources, and the unit area productivity that adopts thickener and drum rotary drum filter is little, and is inefficient, and area is big, the higher and filter cloth problem that can not regenerate of moisture content, as shown in figure 1, the utility model provides a tailings pulp filter equipment is selected to magnesite, this tailings pulp filter equipment is selected to magnesite includes: a settling tank 1, a slurry tank 2, a slurry pump 3, a filter press 4, a water return tank 5 and a water return pump 6;
the settling tank 1 is provided with a tailing pulp feeding hole 11, a discharging hole 12 and a water outlet 13, the discharging hole 12 of the settling tank 1 is communicated with a feeding hole 21 of the pulp tank 2, and a discharging hole 22 of the pulp tank 2 is communicated with a feeding hole of the pulp pump 3;
the filter press 4 is provided with a feed inlet 41, a liquid outlet 42 and a discharge outlet 43, the discharge outlet of the slurry pump 3 is communicated with the feed inlet 41 of the filter press 4, the liquid outlet 42 of the filter press 4 is communicated with a liquid inlet 51 of the return water tank 5, and a liquid outlet 52 of the return water tank 5 is communicated with a liquid inlet of the return water pump 6.
In the invention, the discharge hole 12 of the settling tank 1 and the feed hole 21 of the slurry tank 2 can be communicated through a pipeline, and the pipeline is provided with a valve; the discharge port 22 of the slurry tank 2 is communicated with the feed port of the slurry pump 3 through a pipeline, and a valve is arranged on the pipeline; the discharge hole of the slurry pump 3 is communicated with the feed inlet 41 of the filter press 4 through a pipeline, and a compressed air inlet valve is arranged on the pipeline; the liquid outlet 42 of the filter press 4 is communicated with the liquid inlet 51 of the return water tank 5 through a pipeline, and a valve is arranged on the pipeline; the liquid outlet 52 of the return water tank 5 and the liquid inlet of the return water pump 6 can be communicated through a pipeline, and a valve is arranged on the pipeline.
The filter press 4 is also provided with a water inlet 44, the water inlet 44 is communicated with the filter cloth washing water inlet through a pipeline, and the pipeline is provided with a valve.
The utility model discloses in, magnesite selects tailing ore pulp to get into in the subsider 1 through the tailing ore pulp feed inlet 11 of subsider 1, can stir the tailing ore pulp in the subsider 1, under the effect of gravity and stirring power, the medicament aqueous solution and the ground paste of tailing ore pulp can be stratified in the subsider 1, the medicament aqueous solution can be through the overflow weir that appears the cyclic arrangement on subsider 1 upper portion and flow out from the delivery port 13 of subsider 1, the medicament aqueous solution can carry out cyclic utilization, the ground paste is located the bottom of subsider 1 and gets into in the ground paste groove 2 through the pipeline, the settlement process to magnesite selects tailing ore pulp at this moment finishes; the ground paste in the ground paste groove 2 is sent to the pressure filter 4 through the ground paste pump 3, the ground paste is filtered, a compressed air inlet valve on a pipeline between the ground paste pump 3 and the pressure filter 4 is opened, compressed air C is introduced, the compressed air C is used for drying moisture of the ground paste, the ground paste enters a filtering chamber inside the pressure filter 4 to be filtered, a filtered filter cake passes through a filter cake groove inside the pressure filter 4 and is discharged from a discharge port 43, return water generated after filtering flows out through a liquid outlet 42 of the pressure filter 4 and enters a return water tank 5, and the return water is sent to the next procedure through a return water pump 6 to be recycled. When the filter press 4 is used for a period of time, the filtering performance of the filter cloth may be deteriorated, and at this time, a valve on a pipe between the water inlet 44 of the filter press 4 and the filter cloth washing water inlet may be opened, and the filter cloth washing water D may be introduced into the filter press 4 to wash the filter cloth inside the filter press 4.
Through using the utility model provides a moisture content of the filter cake that magnesite tailing ore pulp filter equipment obtained is very few, greatly reduced the moisture content of tailing, the moisture content of tailing can reduce to below 10%, can return water 0.11 tons more per ton filter cake (dry basis), correspondingly, can practice thrift heat consumption and convert into standard coal 12.6kg per ton of calcination filter cake, adopt the utility model provides a device can obtain more return water that can recycle to the filter cake that obtains can be used for the calcination to produce the heat, for leaving the tailing in the tailing yard in prior art and abandoning and using, has practiced thrift the area of tailing, has rationally utilized the tailing, has avoided the wasting of resources; just the utility model provides a filter equipment has increased the unit area productivity for current filter equipment, and efficiency is higher, and the filter cloth in the filtering process can cyclic utilization.
The utility model discloses in, subsider 1 and pressure filter 4 are current device, and high-efficient subsider can be selected to subsider 1, and the height to diameter ratio of subsider 1 is n, and 1.0 is less than or equal to n and is less than or equal to 1.2, and the bottom cone angle is an, and 17 is less than or equal to a and is less than or equal to 25, and vertical pressure filter can be selected to pressure filter 4.
The following is an example of the use method of the magnesite tailing pulp separation filter device of the utility model:
the settling tank 1 may have a diameter of 12 × 12m, the filter press 4 may be a vertical filter press, and the filter area a may be 168m2The output of the magnesite tailing selecting pulp filtering device assembled by the settling tank 1 and the filter press 4 is 70 t/h.
(1) Sedimentation
Introducing a tailing pulp A with the weight percentage of MgO being more than or equal to 38% (dry basis), the mass percentage concentration being 20-25% and the fineness being 45 mu m accounting for more than 70% into a settling tank 1, layering a medicament aqueous solution B and a slurry under the action of gravity and stirring force, enabling the medicament aqueous solution B to flow out of a water outlet 13 of the settling tank 11 for cyclic utilization, enabling the slurry to enter a slurry tank 2 from a discharge port 12 of the settling tank 11, and sending the slurry to a filter press 4 through a slurry pump 3, wherein the mass percentage concentration of the slurry is 40-55%;
(2) filtration
And (2) feeding the slurry with the mass concentration percentage of 40-55% into a filter chamber in a filter press 4, wherein the feeding time of the filter press 4 is 5-7 min, the filter pressing time is 2-4 min, the discharging time is 8-10 min, the working pressure is 0.8-1.6 MPa, the filter cake after filter pressing is discharged from a discharge hole 43 of the filter press 4 to form a filter cake E, return water flows into a return water tank 5 from a liquid outlet 42 of the filter press 41, the return water is sent to the next working procedure by a return water pump 6 to be recycled as return water F, and the water content of the filter cake E is less than or equal to.
The utility model provides a magnesite selects tailing ore pulp filter equipment reducible area more than 70%, practices thrift the investment and reduces more than 45%.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. The utility model provides a magnesite tailing ore pulp filter equipment which characterized in that, magnesite tailing ore pulp filter equipment includes: a settling tank, a slurry pump, a filter press, a water return tank and a water return pump;
the settling tank is provided with a tailing pulp feeding hole, a tailing pulp discharging hole and a water outlet, the discharging hole of the settling tank is communicated with the feeding hole of the pulp tank, and the discharging hole of the pulp tank is communicated with the feeding hole of the pulp pump;
the pressure filter is equipped with feed inlet, liquid outlet and discharge gate, the discharge gate of stuff pump with the feed inlet intercommunication of pressure filter, the liquid outlet of pressure filter with the inlet intercommunication of return water tank, the liquid outlet of return water tank with the inlet intercommunication of return water pump.
2. The magnesite tailing pulp filtering device according to claim 1, wherein the discharge port of the settling tank is communicated with the feed port of the pulp tank through a pipeline, and a valve is arranged on the pipeline.
3. The magnesite tailing slurry filtering device according to claim 1, wherein a discharge port of the slurry tank is communicated with a feed port of the slurry pump through a pipeline, and a valve is arranged on the pipeline.
4. The magnesite tailing pulp filtering device according to claim 1, wherein a liquid outlet of the filter press is communicated with a liquid inlet of the water return tank through a pipeline, and a valve is arranged on the pipeline.
5. The magnesite tailing pulp filtering device according to claim 1, wherein a liquid outlet of the water return tank is communicated with a liquid inlet of the water return pump through a pipeline, and a valve is arranged on the pipeline.
6. The magnesite tailing pulp filtering device according to any one of claims 1 to 5, wherein a discharge port of the slurry pump is communicated with a feed port of the filter press through a pipeline, and a compressed air inlet valve is arranged on the pipeline.
7. The magnesite tailings pulp filter device according to any one of claims 1 to 5, wherein the filter press is further provided with a water inlet, and the water inlet is communicated with a filter cloth washing water inlet.
8. The magnesite tailing pulp filtering device according to claim 7, wherein a water inlet of the filter press is communicated with a filter cloth washing water inlet through a pipeline, and a valve is arranged on the pipeline.
9. The magnesite tailings pulp filter device of any one of claims 1 to 5 wherein the filter press is a vertical filter press.
10. The magnesite tailings pulp filter device according to any one of claims 1 to 5, wherein the height to diameter ratio of the settling tank is n, 1.0. ltoreq. n.ltoreq.1.2, the bottom cone angle is a, 17. ltoreq. a.ltoreq.25.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057623.1U CN206391726U (en) | 2017-01-17 | 2017-01-17 | A kind of magnesite selects mine tailing slurry filtration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720057623.1U CN206391726U (en) | 2017-01-17 | 2017-01-17 | A kind of magnesite selects mine tailing slurry filtration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206391726U true CN206391726U (en) | 2017-08-11 |
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ID=59518353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720057623.1U Active CN206391726U (en) | 2017-01-17 | 2017-01-17 | A kind of magnesite selects mine tailing slurry filtration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206391726U (en) |
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2017
- 2017-01-17 CN CN201720057623.1U patent/CN206391726U/en active Active
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