CN220188528U - Intelligent on-line detection device for concentration and fineness of ore pulp - Google Patents
Intelligent on-line detection device for concentration and fineness of ore pulp Download PDFInfo
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- CN220188528U CN220188528U CN202321642375.9U CN202321642375U CN220188528U CN 220188528 U CN220188528 U CN 220188528U CN 202321642375 U CN202321642375 U CN 202321642375U CN 220188528 U CN220188528 U CN 220188528U
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000005303 weighing Methods 0.000 claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 14
- 238000005070 sampling Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 229910052500 inorganic mineral Inorganic materials 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 239000011707 mineral Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 5
- 238000005188 flotation Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
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- 239000006194 liquid suspension Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The utility model discloses an intelligent on-line detection device for ore pulp concentration and fineness. Under the operating condition, through PLC electrical control system control, the ore pulp is fed into detection device through the circulating pump via the receiving port, then control the solenoid valve and pour into the concentration kettle with the ore pulp, utilize weighing unit to carry out the first time to the concentration kettle that fills with the ore pulp and weigh, obtain ore pulp concentration, then switch on Roots blower, carry out quick screening to the ore pulp in the concentration kettle under negative pressure and sparge water synergism, coarse grain remains on the screen cloth in the concentration kettle, pour into the clear water into the concentration kettle at last, utilize weighing unit to carry out the second time to the concentration kettle that fills with the clear water to weigh, calculate and obtain the pulp fineness. The device can realize the online automatic detection of ore pulp concentration and fineness in step, reduces error and loaded down with trivial details flow that manual operation brought, improves production efficiency and detection precision, has simple structure, degree of automation height, measuring speed are quick and testing result advantage such as accurate.
Description
Technical Field
The utility model belongs to the technical field of mineral separation, and particularly relates to a pulp property detection device.
Background
The concentration and fineness of the slurry are parameters that need to be monitored with emphasis in the slurry sorting process. Mineral slurries are heterogeneous solid-liquid suspensions of mineral particles and water. The pulp concentration is the ratio of the solid ore particles in the pulp. In order to stabilize and improve the quality and efficiency of mineral separation production, the concentration of ore pulp needs to be measured frequently in the technological process of mineral separation operation. In the grinding process, the concentration of pulp affects mill efficiency and flotation production index. During flotation operation, the too low concentration of ore pulp can cause low production efficiency, low concentrate yield and excessive dosage of chemicals. Too high a pulp concentration can result in poor concentrate quality and low recovery. In the gravity separation operation, the pulp concentration determines the fineness of the classifying overflow. The concentration of the pulp also affects the filtration rate and the cake moisture. In addition, the size of the particles in the ore pulp directly influences the quality of the flotation index. The floating particles are too coarse, and the dissociation degree of the monomer of the useful mineral is not high, so that the grade of the concentrate is reduced, and meanwhile, the particles are too large and are not easy to float by foam, so that the recovery rate of the target mineral is reduced finally; too fine of the incoming floating particles can cause the selectivity of the flotation reagent to be reduced, so that not only can the grade of the concentrate be reduced, but also the dosage of the flotation reagent can be greatly increased. Therefore, the method for detecting and controlling the concentration and fineness of the ore pulp in real time is kept in a specified range, and has extremely important significance for guiding the stable operation of the production process, realizing the intellectualization of the concentrating mill, improving the quality of the concentrate product, improving the economic benefit of the concentrating mill and the like. At present, the on-site pulp concentration fineness is mainly measured manually, so that the on-site pulp concentration fineness has the advantages of large artificial influence factor, low efficiency, complex workload and waste of a great deal of manpower and time, and is not beneficial to continuous operation and guiding of the production process.
CN114459942a discloses an intelligent concentration measuring system and a method for detecting the concentration of ore pulp in a concentrating mill, wherein the system comprises an intelligent concentration measuring system, a particle size screening measuring system, a division flow stabilizing system, a conveying system and a control computing system. The intelligent concentration measurement system adopts a concentration kettle capable of automatically cleaning and recovering to measure the weight and the volume of the obtained ore pulp, wherein the weight is measured by adopting a weighing sensor, the volume is measured by adopting a constant volume mode to combine the calibration volume of the liquid with the known concentration, the particle size screening measurement system adopts novel arm type screening equipment to carry out deep screening on the ore pulp, but the device has a complex structure, the weight measurement and the cleaning recovery of the concentration kettle are realized through an adding and holding transposition system, and meanwhile, an additional particle size screening system is required to carry out screening.
Therefore, there is an urgent need for efficient, accurate and timely pulp concentration and fineness measuring equipment, and by controlling the concentration and fineness, the pulp treatment efficiency and product quality are improved, and the negative effects on the aspects of production cost, environmental pollution and the like are reduced.
Disclosure of Invention
The utility model aims to provide efficient, accurate and timely pulp concentration and fineness measuring equipment by adopting an indirect measuring method.
In order to achieve the aim, the utility model provides an intelligent online detection device for the concentration and fineness of ore pulp, which comprises a feeding unit, a concentration kettle, a Roots blower, a weighing unit and a PLC;
the feeding unit comprises a material receiving port and a circulating pump which are sequentially connected, wherein the material receiving port, the circulating pump and the concentration kettle are sequentially connected, and a first electromagnetic valve is arranged between a discharge pipeline of the circulating pump and a material inlet of the concentration kettle;
the middle lower part inside the concentration kettle is provided with a standard screen, the upper part of the concentration kettle is connected with a water inlet pipe and is provided with a second electromagnetic valve, the lower part of the concentration kettle is respectively connected with a drainage pipeline and a ventilation pipeline, the drainage pipeline is provided with a third electromagnetic valve, one end of the ventilation pipeline is provided with a fourth electromagnetic valve and is connected with an air outlet of the Roots blower, the other end is connected with the air inlet of the Roots blower in an extending way and a fifth electromagnetic valve is arranged on the extending pipeline, so that when the fourth electromagnetic valve is controlled to be opened, the Roots blower performs back blowing operation, and when the fifth electromagnetic valve is controlled to be opened, the Roots blower performs suction operation to form negative pressure.
The weighing unit is arranged on the upper side of the concentration kettle; preferably, the weighing unit is a hanging scale, and can directly weigh the concentration kettle arranged below.
The first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the fifth electromagnetic valve and the weighing unit are respectively connected with the PLC and controlled by the PLC.
The discharging pipeline of the circulating pump is divided into a main pipeline and a bifurcation pipeline at a position close to the concentration kettle, wherein the main pipeline is connected with the material receiving port; the bifurcation pipeline is connected with a feed inlet of the concentration kettle and is provided with a first electromagnetic valve, and a filter screen is arranged between the bifurcation pipeline and the first electromagnetic valve. Through adopting circulating pump to draw the real-time ore pulp of collecting, adopt above-mentioned open-loop circulation sample to return to the ore pulp receiving mouth through the pipeline to be equipped with the filter screen in the sampling entrance department that open-loop circulation sample passed through the pipeline, can filter debris effectively, improve the reliability of sampling data, avoid debris to the interference of ore pulp concentration, fineness.
Preferably, the pore diameter of the filter screen is 1-3mm.
The screen pore diameter of the standard screen is determined according to the particle size distribution of the tested ore pulp and actual production requirements.
Preferably, the mesh has a pore size in the range of 1mm to 0.038mm.
The PLC is in communication connection with a human-computer interface to form a control system, and the human-computer interface is any one or two of a touch screen and an upper computer. Preferably, a man-machine interaction interface such as a touch screen and an upper computer is simultaneously set for parameter setting and data display.
Preferably, the prior detection device further comprises a standard box and a control box, the concentration pot, the Roots blower and the weighing unit are all arranged in the standard box, and the PLC is arranged in the control box, so that integration is achieved.
The utility model further provides an intelligent online detection device for the concentration and fineness of multipath ore pulp, which comprises a plurality of groups of online detection devices, wherein each group of online detection devices share a Roots blower. Specifically, on the basis of a single-path on-line detection device, a plurality of groups of material inlets, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a weighing unit, a concentration kettle, a fifth electromagnetic valve and a circulating pump are added in parallel, and the plurality of groups of devices share the same Roots blower.
The intelligent on-line detection device for the concentration and fineness of the ore pulp comprises the following working steps:
(1) the ore pulp is fed into the circulating pump through the material receiving port and the pipeline, and the ore pulp sample from the circulating pump is injected into the concentration kettle through the bifurcation pipeline by controlling the first electromagnetic valve, so that the grouting is stopped when the ore pulp just flows out from the overflow port. The total weight G of the concentration kettle filled with ore pulp is weighed by a sensor of a weighing unit 1 Calculating the concentration P of ore pulp according to a formula 1 The formula is as follows:
P 1 ＝(G 1 -G 0 -V)·δ/[(δ-1)(G 1 -G 0 )]
wherein G is 1 The weight of the concentration kettle filled with ore pulp is in g; g 0 The weight of the empty kettle is in g; v is the volume of the kettle, and the unit ml; p (P) 1 Concentration in percent; delta is the specific gravity of the ore in g/ml.
(2) And controlling the fifth electromagnetic valve to be opened, starting the Roots blower to enable negative pressure to be formed inside, simultaneously opening the second electromagnetic valve, injecting water to wash continuously until complete filtration is achieved, finally, ore particles (such as 200 meshes) larger than the aperture of the screen mesh are reserved on the screen, and closing the fifth electromagnetic valve after the cleaning is completed.
(3) And (3) injecting clear water into the concentration kettle by controlling the second electromagnetic valve to be opened, and stopping water injection when the clear water just flows out from the overflow port. The total weight G of the concentration kettle filled with the clean water is weighed out by a weighing sensor 2 Calculating the concentration P according to the formula 2 The formula is as follows:
P 2 ＝(G 2 -G 0 -V)·δ/[(δ-1)(G 2 -G 0 )]
wherein G is 2 The weight of the concentration kettle is g; g 0 The weight of the empty kettle is in g; v is the volume of the kettle, and the unit ml; p2 is the percentage concentration in units; delta is the specific gravity of the ore in g/ml.
(4) The material fineness X in the ore pulp can be calculated through the ore pulp concentration obtained by twice weighing in the step (1) and the step (3), and the calculation formula is as follows:
(5) controlling the third electromagnetic valve to be opened for drainage, then controlling the fourth electromagnetic valve to be opened for back blowing gas by utilizing gas from the Roots blower so as to blow off particles left on the screen, and then opening the second electromagnetic valve for water injection, so that water in the kettle rolls over to drive the oversize products to be completely discharged; after the oversize is completely discharged, the second electromagnetic valve is closed to stop water injection, the third electromagnetic valve is closed after back blowing for a certain time, the fourth electromagnetic valve is closed, the fifth electromagnetic valve is opened finally, residual water in the kettle is sucked by utilizing negative pressure formed by the Roots blower, and residual water in the concentration kettle is emptied.
The beneficial effects are that: the device can be widely applied to industries such as mining, metallurgy, chemical industry and the like, reduces errors and complicated processes caused by manual operation, improves the production efficiency and the detection precision, and has good benefits; in addition, the circulating pump is adopted to collect ore pulp in real time, open-loop circulating sampling returns to the ore pulp receiving port through a pipeline, and sundries can be effectively filtered by arranging a filter screen at the sampling inlet, so that sampling is more uniform and stable, and the representativeness and accuracy of the sample are improved; compared with the traditional manual detection, the device can realize the whole-process automatic operation, reduce the labor cost and the time cost and improve the production efficiency and the working safety.
Drawings
FIG. 1 shows an intelligent on-line detection device for ore pulp concentration and fineness.
Fig. 2 is a schematic diagram of a PLC control system.
The parts in the figure are: the device comprises a material receiving port 1, a first electromagnetic valve 2, a second electromagnetic valve 3, a third electromagnetic valve 4, a fourth electromagnetic valve 5, a 6-weighing unit 6, a concentration kettle 7, a fifth electromagnetic valve 8, a 9-circulating pump and a 10-Roots blower.
Detailed Description
The utility model is further illustrated by the following examples in connection with the accompanying drawings:
as shown in fig. 1, an intelligent on-line detection device for ore pulp concentration and fineness comprises the following parts: the device comprises a material receiving port 1, a first electromagnetic valve 2, a second electromagnetic valve 3, a third electromagnetic valve 4, a fourth electromagnetic valve 5, a weighing unit 6, a concentration pot 7, a fifth electromagnetic valve 8, a circulating pump 9 and a Roots blower 10. The device comprises a first electromagnetic valve 2, a second electromagnetic valve 3, a third electromagnetic valve 4, a fourth electromagnetic valve 5, a weighing unit 6, a concentration kettle 7, a fifth electromagnetic valve 8, a circulating pump 9 and a Roots blower 10, wherein the fifth electromagnetic valve 8, the circulating pump 9 and the Roots blower 10 are all arranged in a standard box, a material receiving port 1 is connected with the circulating pump 9 through pipelines after being connected with a field pipeline of a detection site, and a discharging pipeline of the circulating pump 9 is divided into a main pipeline and a bifurcation pipeline at a position close to the concentration kettle, wherein the main pipeline is connected with the material receiving port 1; the bifurcation pipeline is connected with the feed inlet of the concentration kettle 7 and is provided with a first electromagnetic valve 2, and a filter screen is arranged between the bifurcation pipeline and the first electromagnetic valve 2, and the aperture of the filter screen can be selected to be 1-3mm. Through adopting circulating pump 9 to extract the real-time ore pulp of collecting, adopt above-mentioned open-loop circulation sample to return to the ore pulp receiving mouth through the pipeline to be equipped with the filter screen in the sampling entrance that open-loop circulation sample passed through the pipeline, can filter debris effectively, improve the reliability of sampling data, avoid debris to the interference of ore pulp concentration, fineness. The lower part of the first electromagnetic valve 2 is connected with a concentration pot 7, and a weighing unit 6 is arranged on the upper side of the concentration pot 7. A drainage pipeline and a third electromagnetic valve 4 are arranged on the side edge below the concentration kettle 6, and a water inlet pipe is connected with the side upper part of the concentration kettle 7 and a second electromagnetic valve 3 is arranged. The lower part of the concentration kettle 7 is respectively connected with a drainage pipeline and a ventilation pipeline, the drainage pipeline is provided with a third electromagnetic valve 4, one end of the ventilation pipeline is provided with a fourth electromagnetic valve 5 and is connected with an air outlet of the Roots blower 10, the other end of the ventilation pipeline is connected with an air inlet of the Roots blower 10 in an extending way, and a fifth electromagnetic valve 8 is arranged on the extending pipeline.
The first electromagnetic valve 2, the second electromagnetic valve 3, the third electromagnetic valve 4, the fourth electromagnetic valve 5, the fifth electromagnetic valve 8 and the weighing unit 6 are respectively connected with and controlled by a PLC controller, and the PLC controller can be connected with a human-computer interface in a communication way and comprises a touch screen and an upper computer for parameter setting and data display.
The intelligent on-line pulp concentration and fineness detection device provided by the embodiment adopts the circulating pump 9 to pump and collect pulp in real time, and adopts open-loop circulating sampling to return to the pulp receiving port 1 through a pipeline. The open-loop type circulating sampling inlet is provided with the filter screen, so that sundries can be effectively filtered, the reliability of sampling data is improved, and the interference of the sundries on the concentration and fineness of ore pulp is avoided.
The intelligent on-line detection device for the concentration and fineness of ore pulp is characterized in that a standard screen is arranged at the middle lower part in the concentration kettle 7, the mesh of the screen is determined according to the size distribution of the ore pulp to be detected and the actual production requirement, and the aperture range of the screen is preferably 1mm-0.038mm. This example is exemplified by a 200 mesh screen.
As shown in fig. 2, the intelligent on-line detection device for the concentration and fineness of the ore pulp adopts a PLC to carry out logic program control, forms a control system and is arranged in a control box.
Meanwhile, a touch screen HMI and an upper computer and other man-machine dialogue interface are set for parameter setting and data display. The control operation described above may be implemented using a general technique in the related art.
The intelligent on-line detection device for the concentration and fineness of ore pulp is characterized in that when multi-path ore pulp measurement is needed, namely the number of ore pulp sampling points is larger than 1, the number of material receiving openings 1, first electromagnetic valves 2, second electromagnetic valves 3, third electromagnetic valves 4, fourth electromagnetic valves 5, weighing units 6, concentration kettles 7, fifth electromagnetic valves 8 and circulating pumps 9 is increased in parallel on the basis of single-path ore pulp measurement, and the multi-path ore pulp measurement can be completed by sharing the same Roots blower 10.
Taking single-path ore pulp measurement as an example, the intelligent on-line detection device for ore pulp concentration and fineness comprises the following working steps:
(1) the ore pulp is fed into the circulating pump 9 through a material receiving port through a pipeline, and the ore pulp sample from the circulating pump 9 is injected into the concentration kettle 7 through a bifurcation pipeline by controlling the first electromagnetic valve 2, so that the grouting is stopped when the ore pulp just flows out from an overflow port. The total weight G of the concentration kettle filled with ore pulp is weighed by a sensor of the weighing unit 6 1 Calculating the concentration P of ore pulp according to a formula 1 The formula is as follows:
P 1 ＝(G 1 -G 0 -V)·δ/[(δ-1)(G 1 -G 0 )]
wherein G is 1 7 weight of a concentration kettle filled with ore pulp, and g; g 0 The weight of the empty kettle is in g; v is the volume of the kettle, and the unit ml; p (P) 1 Concentration in percent; delta is the specific gravity of the ore in g/ml.
(2) The fifth electromagnetic valve 8 is controlled to be opened, the Roots blower 10 is started to form negative pressure in the interior, the second electromagnetic valve 3 is opened, water is injected to be continuously flushed until complete filtration is achieved, ore particles which are larger than 200 meshes are finally reserved on the screen, and the fifth electromagnetic valve 8 is closed after cleaning is completed.
(3) By controlling the second electromagnetic valve 3 to open, clean water is injected into the concentration kettle 7, and water injection is stopped when the clean water just flows out from the overflow port. The total weight G of the concentration kettle 7 filled with clean water is weighed by a weighing sensor (namely a weighing unit 6) 2 Calculating the concentration P according to the formula 2 The formula is as follows:
P 2 ＝(G 2 -G 0 -V)·δ/[(δ-1)(G 2 -G 0 )]
wherein G is 2 7 weight of the concentration kettle filled with clear water, and g; g 0 The weight of the empty kettle is in g; v is the volume of the kettle, and the unit ml; p2 is the percentage concentration in units; delta is the specific gravity of the ore in g/ml.
(4) The material fineness X in the ore pulp can be calculated through the ore pulp concentration obtained by twice weighing in the step (1) and the step (3), and the calculation formula is as follows:
(5) the third electromagnetic valve 4 is controlled to be opened for drainage, the fourth electromagnetic valve 5 is controlled to be opened and gas from the Roots blower 10 is utilized for back blowing to blow off particles left on the screen, and then the second electromagnetic valve 3 is opened for water injection, so that water in the kettle is rolled to drive oversize materials to be completely discharged; after the oversize is completely discharged, the second electromagnetic valve 3 is closed to stop water injection, the third electromagnetic valve 4 is closed after back blowing for a certain time, the fourth electromagnetic valve 5 is closed, the fifth electromagnetic valve 8 is opened finally, residual water in the kettle is sucked by utilizing negative pressure formed by the Roots blower 10, and residual water in the concentration kettle 7 is emptied.
Claims (8)
1. The intelligent online detection device for the concentration and fineness of the ore pulp is characterized by comprising a feeding unit, a concentration kettle (7), a Roots blower (10), a weighing unit (6) and a PLC (programmable logic controller);
the feeding unit comprises a material receiving port (1) and a circulating pump (9) which are sequentially connected, wherein the material receiving port (1), the circulating pump (9) and the concentration kettle (7) are sequentially connected, and a first electromagnetic valve (2) is arranged between a discharge pipeline of the circulating pump (9) and a material inlet of the concentration kettle (7);
the middle lower part inside the concentration kettle (7) is provided with a standard screen, the upper part of the concentration kettle (7) is connected with a water inlet pipe and is provided with a second electromagnetic valve (3), the lower part of the concentration kettle (7) is respectively connected with a drainage pipeline and a ventilation pipeline, the drainage pipeline is provided with a third electromagnetic valve (4), one end of the ventilation pipeline is provided with a fourth electromagnetic valve (5) and is connected with an air outlet of the Roots blower (10), the other end of the ventilation pipeline is connected with an air inlet of the Roots blower (10) in an extending way, and a fifth electromagnetic valve (8) is arranged on the extending pipeline;
the weighing unit (6) is arranged on the upper side of the concentration kettle (7);
the first electromagnetic valve (2), the second electromagnetic valve (3), the third electromagnetic valve (4), the fourth electromagnetic valve (5), the fifth electromagnetic valve (8) and the weighing unit (6) are respectively connected with the PLC.
2. The intelligent on-line detection device for ore pulp concentration and fineness according to claim 1, wherein the discharging pipeline of the circulating pump (9) is divided into a main pipeline and a branch pipeline at a position close to the concentration kettle (7), and the main pipeline is connected with the material receiving port (1); the bifurcation pipeline is connected with a feed inlet of the concentration kettle (7) and is provided with a first electromagnetic valve (2), and a filter screen is arranged between the bifurcation pipeline and the first electromagnetic valve.
3. The intelligent on-line detection device for ore pulp concentration and fineness according to claim 2, wherein the pore diameter of the filter screen is 1-3mm.
4. The intelligent on-line detection device for the concentration and fineness of ore pulp according to claim 1, wherein the screen pore diameter of the standard screen is determined according to the size distribution of the ore pulp to be detected and the actual production requirement.
5. The intelligent on-line detection device for ore pulp concentration and fineness according to claim 4, wherein the pore diameter of the standard screen is 1mm-0.038mm.
6. The intelligent on-line detection device for the concentration and fineness of ore pulp according to claim 1, wherein the PLC is in communication connection with a human-computer interface, and the human-computer interface is any one or two of a touch screen and an upper computer.
7. The intelligent on-line pulp concentration and fineness detection device according to claim 1, further comprising a standard box and a control box, wherein the concentration kettle (7), the roots blower (10) and the weighing unit (6) are all arranged in the standard box, and the PLC controller is arranged in the control box.
8. An intelligent online detection device for concentration and fineness of multipath ore pulp, which is characterized by comprising a plurality of groups of online detection devices according to any one of claims 1-6, wherein each group of online devices shares a Roots blower (10).
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