CN113552510A - Magnetism increasing experimental device and method for iron ore concentrate pulp - Google Patents
Magnetism increasing experimental device and method for iron ore concentrate pulp Download PDFInfo
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- CN113552510A CN113552510A CN202110725007.XA CN202110725007A CN113552510A CN 113552510 A CN113552510 A CN 113552510A CN 202110725007 A CN202110725007 A CN 202110725007A CN 113552510 A CN113552510 A CN 113552510A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 230000005389 magnetism Effects 0.000 title claims abstract description 75
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 58
- 239000012141 concentrate Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000002245 particle Substances 0.000 claims abstract description 67
- 239000002002 slurry Substances 0.000 claims abstract description 40
- 230000004907 flux Effects 0.000 claims abstract description 22
- 238000002474 experimental method Methods 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 230000005415 magnetization Effects 0.000 claims description 19
- 238000005070 sampling Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims 1
- 239000000919 ceramic Substances 0.000 abstract description 36
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 5
- 239000012065 filter cake Substances 0.000 description 14
- 238000005054 agglomeration Methods 0.000 description 9
- 230000002776 aggregation Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011143 downstream manufacturing Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a magnetism increasing experimental device for iron ore concentrate pulp, which is characterized by comprising a magnetism increasing pipeline, wherein the front end of the magnetism increasing pipeline is communicated with an ore pulp concentration adjusting device; the device also comprises a first particle size measuring device and a pulp concentration measuring device which are used for measuring the particle size of the iron ore concentrate before passing through the magnetism increasing pipeline; the second particle size measuring device is used for measuring the particle size of the iron ore concentrate passing through the magnetism increasing pipeline, and the magnetic flux measuring device is used for measuring the magnetic flux of the slurry passing through the magnetism increasing pipeline; the rear end of the magnetism increasing pipeline is connected with a filter; also discloses a magnetism increasing experimental method of the iron ore concentrate pulp. The invention provides a method for realizing the adjustment of the particle size of iron ore concentrate, and solves the problem that the filter effect is reduced because the grading of the particle size of the filter particles of a ceramic filter of solid-liquid separation equipment for iron ore concentrate pulp is not suitable; and corresponding experimental devices and methods are designed to verify the feasibility and the effect of the magnetism increasing method.
Description
Technical Field
The invention relates to the field of slurry conveying and solid-liquid separation, in particular to a magnetism increasing experimental device and method for iron ore concentrate pulp.
Background
According to the experimental results of different grinding fineness of the raw ore, the finer the grinding fineness, the higher the iron grade of the magnetic substance, when the grinding fineness is-0.076 mm and accounts for 50%, the iron grade of the magnetic substance is more than 64%, and the iron grade of the non-magnetic substance is more than 20%; it is shown that under the condition of lower grinding fineness, iron ore concentrate with iron grade of more than 64% can be obtained, but the iron ore in the tailings needs to be further recovered. By recent grading analysis of pipeline conveyed iron concentrate slurry, the pipeline conveyed iron concentrate particle size grading-325 has increased from the range of 73% -82% to 84% -95% at present. The particle size grading of the iron ore concentrate is thin, the filtering performance of the terminal solid-liquid separation ceramic filter is seriously influenced, the comprehensive average filter cake moisture reaches 11.2%, the filtering coefficient of the ceramic filter is reduced from 0.7 to 0.5, the filtrate is turbid, the cleaning period is shortened, and the filter cake moisture cannot meet the requirement that the downstream process (pellet) has less than 9.75% of comprehensive moisture. The application range of the ceramic filter of the pipeline terminal solid-liquid separation equipment of the company for filtering particle size grading-325 meshes is 70-80%, and when the particle size grading is in the range, the water content of a filter cake is kept at about 9.5%.
Because the pipeline-conveyed ore pulp is demagnetized iron ore concentrate, the residual magnetism in the ore concentrate is eliminated, the ore pulp is fully dispersed in the filtering process, and the fine ore powder particles are easy to block the micropores of the ceramic filter plate, so that the performance of the ceramic filter is reduced, and the water content of the filter cake is increased.
Aiming at the problems of fine grading of iron ore concentrate and reduction of filtering performance of a ceramic filter, the company develops scientific and technological plan projects such as 'research on influence of ore pulp characteristics on water of a filter cake' and 'research on influence of a filter aid on water of a filter cake of fine-grain-size iron ore concentrate', the research on the reduction of the water of the filter cake of the ceramic filter is carried out, the water of the filter cake of the ceramic filter tends to be reduced, and the effect is not obvious. At present, a set of experimental device and experimental method which can simulate iron ore concentrate pulp with different concentrations, can achieve the effect of adjusting the grading of the iron ore concentrate, are suitable for a ceramic filter are needed, and the feasibility of the method for adjusting the grading of the iron ore concentrate is verified through experiments and an optimized scheme is obtained.
Disclosure of Invention
The invention aims to: aiming at the existing problems, the magnetism increasing experimental device and the magnetism increasing experimental method for the iron ore concentrate pulp are provided, magnetic agglomeration cohesive masses are formed among the pulp through the magnetism increasing of the iron ore concentrate pulp, the size of the particle size of the iron ore concentrate is adjusted, the filtering gradation suitable for a ceramic filter is formed, the water content of a filter cake of the ceramic filter is finally reduced, and the filtering performance of the ceramic filter is improved; and the feasibility of the method is verified through the designed experimental device and method, and better experimental parameters are obtained.
The technical scheme adopted by the invention is as follows:
the invention relates to a magnetism-increasing experimental device for iron ore concentrate pulp, which comprises a magnetism-increasing pipeline, wherein the front end of the magnetism-increasing pipeline is communicated with an ore pulp concentration adjusting device; the device also comprises a first particle size measuring device and a pulp concentration measuring device which are used for measuring the particle size of the iron ore concentrate before passing through the magnetism increasing pipeline; and a second particle size measuring device for measuring the particle size of the iron ore concentrate passing through the magnetism increasing pipeline, and a magnetic flux measuring device for measuring the magnetic flux of the slurry passing through the magnetism increasing pipeline.
The structure carries out the magnetization treatment on the iron ore concentrate pulp by arranging the magnetization pipeline, measures the particle size change before and after the magnetization, verifies the feasibility and the effect of the magnetization treatment, collects the magnetic flux of the pulp with different concentrations after the magnetization, and analyzes the relationship among the concentration, the particle size and the magnetic flux.
Preferably, the magnetism increasing pipeline comprises a pipeline and magnetism increasing equipment sleeved on the pipeline; the magnetizing apparatus is an energized solenoid.
With the structure, the electrified solenoid works to generate magnetism to the pipeline and the slurry inside, so that the aim of adjusting the magnetic field intensity is fulfilled.
Preferably, the slurry concentration adjusting device is a stirring device; the stirring device adopts a stirring barrel.
Above structure, agitating unit can adjust the concentration of slurry through adding water or adding modes such as dry ore to the ore pulp of different concentrations is simulated, finds the magnetization intensity that different concentration ore pulps correspond needs through the experiment, conveniently increases magnetism in the later stage and handles the use.
Preferably, a slurry pump is arranged between the slurry concentration adjusting device and the magnetism increasing pipeline.
Above structure, through the sediment stuff pump that sets up, the slurry among the slurry concentration adjusting device is extracted and is experimented in the magnetism increasing pipeline.
Preferably, the rear end of the magnetism increasing pipeline is connected with a filter.
The structure increases magnetism to the slurry before filtering the filter, and the adaptation of the slurry particle size after increasing magnetism is matched with the filtering gradation of the filter, thereby improving the filtering effect.
Preferably, the slurry concentration adjusting device is provided with a first sampling port, and slurry to be measured of the first particle size measuring device and the ore pulp concentration measuring device is extracted from the first sampling port; and a second sampling port is arranged on the pipeline between the magnetism increasing pipeline and the filter, and slurry to be measured of the second particle size measuring device and the magnetic flux measuring device is extracted from the second sampling port.
With the structure, the sample test of each sampling port can facilitate the analysis of the change of each parameter of the slurry before and after the magnetization.
Preferably, the filter is provided with a moisture measuring device for measuring moisture of the filtered ore.
Above structure, moisture measuring device's setting can measure the moisture of the ore deposit after filtering to the analysis increases the relation between the magnetic field intensity of magnetism and the ore deposit moisture after filtering at last.
The invention relates to a magnetization increasing experimental method of iron ore concentrate pulp, which comprises the following steps:
the method comprises the following steps: preparing ore pulp with different concentrations;
step two: respectively measuring the concentration of the modulated ore pulp and the particle size of the iron ore concentrate;
step three: conveying the ore pulp to a magnetism increasing pipeline, and adjusting the magnetic field intensity of the magnetism increasing pipeline;
step four: and carrying out magnetic flux test and particle size measurement on the magnetized ore pulp.
The method can verify the effectiveness of the magnetization treatment and obtain the optimal parameters through experiments on the change experiments of the slurry parameters before and after the slurry magnetization treatment.
Preferably, after the fourth step, the magnetized ore pulp enters a filter for dehydration, and the filtered ore is subjected to moisture measurement.
The method also measures the water content of the ore pulp after being filtered, obtains the magnetization treatment, and is beneficial to reducing the water content of the filter cake of the ceramic filter.
Preferably, the particle size change of the ore pulp with different concentrations before and after magnetization, the magnetic flux of the ore pulp after magnetization and the water content of the ore after filtration are respectively measured; and analyzing the relation among the concentration of the ore pulp, the particle size, the magnetic field intensity and the filtered ore moisture.
The working principle is as follows: the demagnetized magnetic iron ore concentrate particles can be magnetized again under the action of an external magnetic field, and certain magnetism is still kept after the particles leave the magnetic field, so that the mineral particles form magnetic agglomeration flocs, and the magnetic agglomeration is easy to disperse, destroy and reunite. The ore pulp particles have strong magnetism, the ore pulp particles form agglomeration when approaching the magnetic field, aggregates are destroyed due to the action of water flow, inter-particle collision and the like after being separated from the magnetic field, the ore pulp enters a strong magnetic rheological state, and dispersed magnetite particles quickly form new magnetic agglomeration after approaching the magnetic field, so that the iron ore concentrate agglomeration is in a repeated state of 'dispersion-agglomeration'.
The invention adds a magnetic field on the slurry conveying pipeline to make the ore pulp passing through the pipeline carry magnetism and mutually agglomerate. Namely, a variable magnetic field is added on the slurry conveying pipeline. The magnetic field is changed to increase the magnetism of the pipeline through the solenoid, so that the ore pulp has magnetism, particles with fine particle sizes are mutually condensed, and the particle size of the ore pulp is increased. The magnetic field magnetization is added to the ore pulp, the magnetism of ore particles is increased, so that smaller ore concentrate particles are agglomerated under the action of the magnetic hinge, the effective particle size gradation of the particles is increased, and the effective particle gradation of the ore pulp is adapted to the filtering particle size range of the ceramic filter. And selecting proper ore pulp particle magnetic agglomeration by adjusting concentration, magnetic field size, moisture and yield. The fine particle size is condensed into large particles, and the corresponding dehydration equipment is more effectively adapted.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. the invention increases magnetism of the iron concentrate pulp at the terminal, so that magnetic agglomeration and cohesion are formed among the pulp, and the size of the pulp particle size is improved.
2. After the magnetism increasing treatment, the ore pulp particles form a filtration gradation suitable for the ceramic filter, so that the water content of a filter cake of the ceramic filter is finally reduced, and the filtration performance of the ceramic filter is improved.
3. The invention provides a coagulation dehydration process under different particle sizes for the solid-liquid separation of the fine particle sizes at the tail end of slurry conveying, and provides technical and experimental data support for equipment model selection.
4. The experiment verifies the feasibility of the magnetism increasing treatment, obtains optimized experiment parameters and is convenient to use in the actual magnetism increasing treatment.
5. The invention recovers the filtering performance and efficiency of the ceramic filter, and saves the attenuation consumption and cleaning cost of the ceramic filter plate.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of an experimental device for magnetizing iron ore concentrate pulp in one embodiment of the invention.
Fig. 2 is a flow chart of a magnetization experiment method of iron ore concentrate pulp in one embodiment of the invention.
The marks in the figure are: 1-polymer pipeline, 2-circular telegram solenoid, 3-agitator, 30-clean water pipe, 31-ore pulp pipeline, 4-sediment stuff pump, 5-ceramic filter, 6-sample connection.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
The invention discloses a magnetism increasing experimental device for iron ore concentrate pulp, which comprises a magnetism increasing pipeline, wherein the front end of the magnetism increasing pipeline is communicated with an ore pulp concentration adjusting device; the device also comprises a first particle size measuring device and a pulp concentration measuring device which are used for measuring the particle size of the iron ore concentrate before passing through the magnetism increasing pipeline; and a second particle size measuring device for measuring the particle size of the iron ore concentrate passing through the magnetism increasing pipeline, and a magnetic flux measuring device for measuring the magnetic flux of the slurry passing through the magnetism increasing pipeline.
As shown in fig. 1, in one embodiment, the magnetism-increasing pipeline comprises a pipeline and magnetism-increasing equipment sleeved on the pipeline; the magnetism increasing device is an electrified solenoid 2; among them, the polymer pipe 1 is preferable. The slurry concentration adjusting device adopts a stirring device, the stirring device adopts a stirring barrel 3, the upper end of the stirring barrel 3 is respectively communicated with a clear water pipe 30 and an ore pulp pipeline 31, and water or slurry is added into the stirring barrel; and a slurry pump 4 is arranged between the slurry concentration adjusting device and the magnetism increasing pipeline. The back end of the magnetism increasing pipeline is also connected with a ceramic filter 5.
A sampling port 6 is arranged on the slurry concentration adjusting device, and slurry to be measured of the particle size measuring device I and the ore pulp concentration measuring device is extracted from the sampling port 6; a sampling port 6 is arranged on the pipeline between the magnetism increasing pipeline and the ceramic filter 5, and slurry to be measured of the particle size measuring device II and the magnetic flux measuring device is extracted from the sampling port 6; and the filter is provided with a moisture measuring device for measuring the moisture of the filtered ore.
As shown in figure 2, the invention discloses a magnetization experimental method of iron ore concentrate pulp, which comprises the following steps:
the method comprises the following steps: preparing ore pulp with different concentrations;
step two: respectively measuring the concentration of the modulated ore pulp and the particle size of the iron ore concentrate;
step three: conveying the ore pulp to a magnetism increasing pipeline, and adjusting the magnetic field intensity of the magnetism increasing pipeline;
step four: and carrying out magnetic flux test and particle size measurement on the magnetized ore pulp.
In another embodiment, after step four, the magnetized slurry is passed into a filter for dewatering and moisture measurement is performed on the filtered ore. Respectively measuring the particle size change of ore pulp with different concentrations before and after magnetization, the magnetic flux of the ore pulp after magnetization and the filtered ore moisture; and analyzing the relation among the concentration of the ore pulp, the particle size, the magnetic field intensity and the filtered ore moisture.
The above specific operations include: the concentration of the ore pulp is adjusted through the stirring barrel 3, the ore pulp is conveyed by a slurry pump through a pipeline, and the electrified solenoid 2 is arranged on the conveying pipeline, so that the ore pulp with different concentrations from the stirring barrel 3 is instantaneously magnetized after passing through the electrified solenoid 2 (the magnetic field intensity of the solenoid is adjusted by a power supply), and finally enters the ceramic filter 5; taking ore pulp before entering the ceramic filter 5 to measure magnetic flux; filtering by a ceramic filter, taking a filtered sample, and measuring the moisture; to obtain: the relationship between concentration, particle size, magnetic flux and filtered ore moisture.
In one specific embodiment, a magnetism increasing experimental method of iron ore concentrate pulp is disclosed:
a. drawing the ore pulp from the ore pulp main pipe into the stirring barrel 3;
b. adding water or dry ore into the stirring barrel 3 to adjust the required ore pulp concentration;
c. the adjusted ore pulp is conveyed to a ceramic filter 5 through a polymer pipeline 1 by a slurry pump 4;
d. an electrified solenoid 2 is arranged on the pipeline, and the magnetic field intensity is adjusted according to the requirement in the conveying process;
e. sampling at a sampling port 6, and performing magnetic flux test on the magnetized ore pulp;
f. the magnetized ore pulp enters a ceramic filter 5 for dehydration, and the filtered ore is subjected to moisture measurement;
g. experiments summarize the relationship between concentration, magnetic field and water content.
By the development of the experiment, the filtering performance of the ceramic filter is improved, and the water content of a filter cake is reduced to a range required by the downstream. Mainly embodied in the decay period and the combined cleaning time of the ceramic filter plate. Taking 2019 as an example, when a ceramic filter filters fine-particle-size iron ore concentrate (-325 meshes at 84% -95%), the average filter cake moisture reaches 11.2%, the maximum filter cake moisture reaches 12.3%, and the attenuation period of the ceramic filter plate is reduced from 18 months to 12 months; the cleaning period of the ceramic plate is reduced from 7 h/time to 4-5 h/time. The filtering performance and efficiency of the ceramic filter are seriously influenced.
Therefore, research and development experiments of the technology aim to recover the filtering performance and efficiency of the ceramic filtering machine and save the attenuation consumption and the cleaning cost of the ceramic filtering plate.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.
Claims (10)
1. The magnetism-increasing experimental device for the iron ore concentrate pulp is characterized by comprising a magnetism-increasing pipeline, wherein the front end of the magnetism-increasing pipeline is communicated with an ore pulp concentration adjusting device; the device also comprises a first particle size measuring device and a pulp concentration measuring device which are used for measuring the particle size of the iron ore concentrate before passing through the magnetism increasing pipeline; and a second particle size measuring device for measuring the particle size of the iron ore concentrate passing through the magnetism increasing pipeline, and a magnetic flux measuring device for measuring the magnetic flux of the slurry passing through the magnetism increasing pipeline.
2. The experimental device for the magnetism increase of the iron ore concentrate pulp according to claim 1, wherein the magnetism increase pipeline comprises a pipeline and magnetism increase equipment sleeved on the pipeline; the magnetizing apparatus is an energized solenoid.
3. The experimental facility for increasing the magnetism of iron ore concentrate pulp as claimed in claim 1, wherein the slurry concentration adjusting device is a stirring device; the stirring device adopts a stirring barrel.
4. The experimental device for increasing the magnetism of the iron ore concentrate pulp according to claim 1 or 3, wherein a slurry pump is arranged between the slurry concentration adjusting device and the magnetism increasing pipeline.
5. The experimental device for increasing the magnetism of the iron ore concentrate pulp according to the claim 1 or 3, wherein the rear end of the magnetism increasing pipeline is connected with a filter.
6. The experimental device for increasing the magnetism of the iron ore concentrate pulp as claimed in claim 5, wherein the slurry concentration adjusting device is provided with a first sampling port, and the first sampling port extracts the slurry to be measured of the first particle size measuring device and the first pulp concentration measuring device; and a second sampling port is arranged on the pipeline between the magnetism increasing pipeline and the filter, and slurry to be measured of the second particle size measuring device and the magnetic flux measuring device is extracted from the second sampling port.
7. The experimental device for increasing the magnetism of the iron ore concentrate pulp as claimed in claim 1, wherein a moisture measuring device is arranged on the filter for measuring the moisture of the filtered ore.
8. The magnetism increasing experimental method of the iron ore concentrate pulp is characterized by comprising the following steps of:
the method comprises the following steps: preparing ore pulp with different concentrations;
step two: respectively measuring the concentration of the modulated ore pulp and the particle size of the iron ore concentrate;
step three: conveying the ore pulp to a magnetism increasing pipeline, and adjusting the magnetic field intensity of the magnetism increasing pipeline;
step four: and carrying out magnetic flux test and particle size measurement on the magnetized ore pulp.
9. The method for testing the magnetization of the iron ore concentrate pulp according to claim 8, wherein after the fourth step, the magnetized pulp enters a filter for dehydration, and the filtered pulp is subjected to moisture measurement.
10. The method for the experiment of the magnetism increase of the iron ore concentrate pulp according to the claim 9, characterized in that the particle size change of the pulp with different concentrations before and after the magnetism increase, the magnetic flux of the pulp after the magnetism increase and the moisture of the ore after the filtration are respectively measured; and analyzing the relation among the concentration of the ore pulp, the particle size, the magnetic field intensity and the water content of the filtered ore.
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| CN202110725007.XA CN113552510A (en) | 2021-06-29 | 2021-06-29 | Magnetism increasing experimental device and method for iron ore concentrate pulp |
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| CN202110725007.XA CN113552510A (en) | 2021-06-29 | 2021-06-29 | Magnetism increasing experimental device and method for iron ore concentrate pulp |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117415140A (en) * | 2023-12-08 | 2024-01-19 | 山东绿知源环保工程有限公司 | Multistage crushing type recovery and treatment device for solid waste |
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