CN215234989U - Raw ore wet-process pre-classification device applied to heavy medium ore dressing - Google Patents
Raw ore wet-process pre-classification device applied to heavy medium ore dressing Download PDFInfo
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- CN215234989U CN215234989U CN202120883220.9U CN202120883220U CN215234989U CN 215234989 U CN215234989 U CN 215234989U CN 202120883220 U CN202120883220 U CN 202120883220U CN 215234989 U CN215234989 U CN 215234989U
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Abstract
The utility model relates to the technical field of mineral separation and screening, and discloses a raw ore wet pre-classification device applied to heavy medium mineral separation, which comprises a classification device main body, the classification device main body comprises a desliming screen, a lifting device, a primary dewatering screen, a pumping pressure conveying device, a cyclone and an electromagnetic high-frequency dewatering screen, a screen material output port of the desliming screen is connected with an input port of the lifting device, an output port of the lifting device is arranged right above an input end of the primary dewatering screen, the screen material output port of the primary dewatering screen is hermetically connected with the input end of the pumping pressure conveying device through a connecting pipeline, an output end of the pumping pressure conveying device is hermetically connected with an input port of the cyclone through a connecting pipeline, the bottom of the cyclone is provided with the electromagnetic high-frequency dewatering screen, a bottom outlet of the cyclone is arranged right above the input end of the electromagnetic high-frequency dewatering screen, screen meshes of the desliming screen, the primary dewatering screen and the electromagnetic high-frequency dewatering screen are sequentially reduced, the secondary screening improves the productivity and the fine particle fine ore sorting precision is high.
Description
Technical Field
The utility model relates to a raw ore wet process grading plant specifically is a raw ore wet process pre-grading plant who is applied to in the dense medium ore dressing, belongs to ore dressing screening technical field.
Background
In the first procedure of the heavy medium ore dressing, raw ore is classified after being crushed and decomposed, then desliming is carried out through a desliming screen, slime and fine particles in the raw ore are separated, and the desliming qualified fine ore is mainly selected to be selected. The problems existing in the existing heavy medium ore dressing are as follows:
(1) the traditional grading and desliming process designed by the original design institute is to completely feed the 1mm-25mm size fraction of fine ores into the main separation. Through carrying out a crude ore size fraction analysis experiment, the P of the water-washed fine ores which are classified and are not more than 4.5mm +0.10mm is found2O5Can reach the standard of 27 percent commercial mine, so a secondary screening mode is lacked to improve the productivity.
(2) The requirement of the large-diameter cyclone on the particle size range is higher, the fine-particle powder ore sorting precision is poor, the sorting benefit is low, most of fine-particle ores entering the selected fine ore enter tailings, the grade of the tailings is high and is maintained at about 12%, and the yield is low.
(3) The device has low degree of automatic control, high energy consumption for continuous operation and easier damage and maintenance of equipment.
Disclosure of Invention
An object of the utility model is to provide a be applied to former ore wet process in dense medium ore dressing and grading plant in advance to solve the current dense medium ore dressing in-process that proposes in the above-mentioned background, not more than 4.5mm +0.10mm within range end ore deposit after grading P after washing2O5The device can reach the standard of 27% commercial ores, the capacity is improved by lacking a two-stage screening mode, the requirement of the large-diameter cyclone on the particle size range is higher, the fine-particle powder ore sorting precision is poor, the sorting benefit is low, the device automatic control degree is low, the continuous operation energy consumption is high, and the device is easy to damage and overhaul.
In order to achieve the above object, the utility model provides a following scheme:
a wet pre-classifying device for raw ore used in the heavy medium ore dressing includes a main body of classifying device, the grading device main body comprises a desliming screen, a lifting device, a primary dewatering screen, a pumping pressure conveying device, a cyclone and an electromagnetic high-frequency dewatering screen, the screen material output port of the desliming screen is connected with the input port of the lifting device, the output port of the lifting device is arranged right above the input port of the primary dehydration and drying device, the screen material output port of the primary dewatering screen is hermetically connected with the input end of the pump pressure conveying device through a connecting pipeline, the output end of the pumping pressure conveying device is hermetically connected with the input port of the cyclone through a connecting pipeline, the bottom of the cyclone is provided with an electromagnetic high-frequency dewatering screen, and the bottom outlet of the cyclone is positioned right above the input end of the electromagnetic high-frequency dewatering screen, and screen meshes and screen gaps of the desliming screen, the primary dewatering screen and the electromagnetic high-frequency dewatering screen are reduced in sequence.
Preferably, the bottom of the desliming sieve, the bottom of the primary dewatering sieve and the bottom of the electromagnetic high-frequency dewatering sieve are respectively provided with a weight sensor, the periphery of the main body of the grading device is provided with a controller, and the controller is electrically connected with the three weight sensors respectively.
As more preferable, the output end of the weight sensor is electrically connected with the input end of the controller, the output end of the controller is electrically connected with the power switch of the desliming screen and the lifting device respectively, the output end of the controller is electrically connected with the power switch of the desliming screen and the lifting device, the output end of the weight sensor is electrically connected with the input end of the controller, the output end of the controller is electrically connected with the power switch of the primary dewatering screen and the power switch of the pump pressure conveying device respectively, the output end of the weight sensor is electrically connected with the input end of the controller, and the output end of the controller is electrically connected with the power switch of the electromagnetic high-frequency dewatering screen.
Preferably, the screen mesh gap of the desliming screen is 4.5mm, the screen mesh gap of the primary dewatering screen is 1mm, and the screen mesh gap of the electromagnetic high-frequency dewatering screen is less than 1 mm.
More preferably, the material output ports of the primary dewatering screen and the electromagnetic high-frequency dewatering screen are connected with the feed port of the tailing bin through a conveyor belt mechanism.
Specifically, the primary dewatering screen is provided with a spraying mechanism.
Preferably, an output port of the crushing and decomposing structure is arranged right above the input end of the desliming screen.
Preferably, the cyclone is a large-diameter cyclone, and the top outlet of the cyclone is hermetically connected with the liquid recovery tank through a connecting pipeline.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides a be applied to former ore wet process pre-classification device in dense medium ore dressing, the screen cloth that will desliming sieve former 1mm is changed into the screen cloth that the screen cloth seam is 4.5mm, carry out the secondary to former ore deposit and grade to newly install a screen cloth seam and advance the direct outsourcing of last ore deposit storehouse after dehydrating 4.5mm within range for 1 mm's elementary dewatering sieve, the concentrated back of swirler is advanced to the last ore deposit of 1mm within range, advance the dewatering of electromagnetic high frequency sieve and advance the outsourcing of last ore deposit storehouse after. When the powder ore with the grain size of +4.5mm-25mm is selected, the system capacity is improved, the system processing capacity is improved, the abrasion to the rear working section is reduced, the main selection index is stabilized, the media argillization is reduced, and the production cost is reduced.
(2) The utility model provides a be applied to former ore wet process pre-classification device in dense medium ore dressing, major diameter swirler require than higher to the particle diameter scope, and the fine powder ore to the fine particle is selected separately the precision poor, is selected separately the benefit low, and the fine particle ore that goes into to select in the fine particle ore mostly gets into the tailing, leads to the tailing taste height to maintain about 12%, and the productivity is low. The improved cyclone separator just meets the requirement of the size fraction of a large-diameter cyclone separator, the grade of tailings is reduced to about 8%, and the selection yield is increased to 60%.
(3) The utility model provides a be applied to former ore wet process pre-classification device in dense medium ore dressing utilizes weighing transducer and controller to form simple and easy automated mechanism, and automatic operation when having the material reduces idle running time and duration during operation when no material, reduces equipment energy consumption, improve equipment life.
Drawings
Fig. 1 is a schematic connection diagram of the present invention.
In the figure: 1. desliming and screening; 2. a lifting device; 3. a primary dewatering screen; 4. a pump pressure delivery device; 5. a swirler; 6. an electromagnetic high-frequency dewatering screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a wet pre-classifying device for raw ore applied in heavy medium ore dressing comprises a classifying device main body, wherein the classifying device main body comprises a desliming sieve 1, a lifting device 2, a primary dewatering sieve 3, a pumping pressure conveying device 4, a cyclone 5 and an electromagnetic high-frequency dewatering sieve 6, a sieve output port of the desliming sieve 1 is connected with an input port of the lifting device 2, an output port of the lifting device 2 is arranged right above an input end of primary dewatering and drying, a sieve output port of the primary dewatering sieve 3 is hermetically connected with an input end of the pumping pressure conveying device 4 through a connecting pipeline, an output end of the cyclone 4 is hermetically connected with an input port of the pumping pressure conveying device 5 through a connecting pipeline, the bottom of the cyclone 5 is provided with the electromagnetic high-frequency dewatering sieve 6, and a bottom outlet of the cyclone 5 is positioned right above the input end of the electromagnetic high-frequency dewatering sieve 6, the screen mesh screen gaps of the desliming screen 1, the primary dewatering screen 3 and the electromagnetic high-frequency dewatering screen 6 are sequentially reduced to form secondary classification, and the end ore meeting the conditions is screened, so that the productivity is improved.
The bottom of desliming sieve 1, elementary dewatering screen 3, electromagnetism high frequency dewatering screen 6 is equipped with weighing transducer respectively, the periphery of grading plant main part is equipped with the controller, controller and three weighing transducer electric connection respectively. Be located desliming sieve 1 bottom weight sensor's output and the input electric connection of controller, and the output of controller respectively with desliming sieve 1 and hoisting device 2's switch electric connection, be located primary dehydration and shine the bottom weight sensor's output and the input electric connection of controller, and the output of controller respectively with primary dewatering sieve 3 and pump pressure conveyor 4's switch electric connection, be located 6 bottoms of electromagnetism high frequency dewatering sieve weight sensor's output and the input electric connection of controller, and the output of controller and the switch electric connection of electromagnetism high frequency dewatering sieve 6. A simple automatic control structure is formed, three parallel sub automatic control structures are formed, and the controller controls the equipment in the corresponding sub automatic control structure to automatically operate in which step the material enters, so that the operation efficiency is higher, and the energy consumption is lower.
The screen cloth screen cut of desliming sieve 1 is 4.5mm, the screen cloth screen cut of elementary dewatering sieve 3 is 1mm, the screen cloth screen cut of electromagnetism high frequency dewatering sieve 6 is less than 1mm, and specific screen cloth screen cut size is adjusted according to former ore size fraction analysis experiment, and this data only is the result of the former ore size fraction analysis experiment of doing under the prerequisite of this place mineral and this factory crushing technology, can adjust according to actual conditions.
The material output ports of the primary dewatering screen 3 and the electromagnetic high-frequency dewatering screen 6 are connected with the feed inlet of the tailing bin through a conveyor belt mechanism, and are convenient to collect and sell.
The primary dewatering screen 3 is provided with a spraying mechanism, so that the front-mounted washing for dewatering is convenient and a water source is provided for concentration.
An output port of a crushing decomposition structure is arranged right above an input end of the desliming screen 1, and blanking is convenient to accept.
Swirler 5 is major diameter swirler 5, and swirler 5's top export passes through connecting tube and liquid recovery case sealing connection, retrieves convenient reutilization to the liquid after the concentration.
The utility model discloses a theory of operation: the utility model provides a be applied to former ore wet process pre-classification device in dense medium ore dressing, the screen cloth that will desliming sieve former 1mm is changed into the screen cloth that the screen cloth seam is 4.5mm, carry out the secondary to former ore deposit and grade to newly install a screen cloth seam and advance the direct outsourcing of last ore deposit storehouse after dehydrating 4.5mm within range for 1 mm's elementary dewatering sieve, the concentrated back of swirler is advanced to the last ore deposit of 1mm within range, advance the dewatering of electromagnetic high frequency sieve and advance the outsourcing of last ore deposit storehouse after. When the powder ore with the grain size of +4.5mm-25mm is selected, the system capacity is improved, the system processing capacity is improved, the abrasion to the rear working section is reduced, the main selection index is stabilized, the media argillization is reduced, and the production cost is reduced.
The requirement of the large-diameter cyclone on the particle size range is higher, the fine-particle powder ore sorting precision is poor, the sorting benefit is low, most of fine-particle ores entering the selected fine ore enter tailings, the grade of the tailings is high and is maintained at about 12%, and the yield is low. The improved cyclone separator just meets the requirement of the size fraction of a large-diameter cyclone separator, the grade of tailings is reduced to about 8%, and the selection yield is increased to 60%.
Utilize weight sensor and controller to form simple and easy automated mechanism, automatic operation when having the material, the shutdown when no material reduces idle running's time and lasts during operation, reduces equipment energy consumption, improve equipment life.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a raw ore wet process pre-classification device for among dense medium ore dressing which includes the grading plant main part, its characterized in that: the grading plant main part is including desliming sieve (1), hoisting device (2), primary dewatering sieve (3), pump pressure conveyor (4), swirler (5) and electromagnetism high frequency dewatering sieve (6), the screen material delivery outlet of desliming sieve (1) is connected with the input port of hoisting device (2), the delivery outlet of hoisting device (2) is arranged in directly over the input that primary dehydration shines, the input sealing connection of screen material delivery outlet of primary dewatering sieve (3) through connecting tube and pump pressure conveyor (4), the output of pump pressure conveyor (4) is through connecting tube and the input sealing connection of swirler (5), the bottom of swirler (5) is equipped with electromagnetism high frequency dewatering sieve (6), and the bottom export of swirler (5) is located directly over the input of electromagnetism high frequency dewatering sieve (6), desliming sieve (1), The screen mesh and screen gaps of the primary dewatering screen (3) and the electromagnetic high-frequency dewatering screen (6) are reduced in sequence.
2. The wet pre-classification device for the raw ore applied to the heavy medium ore dressing according to the claim 1 is characterized in that: the bottom of the desliming sieve (1), the bottom of the primary dewatering sieve (3) and the bottom of the electromagnetic high-frequency dewatering sieve (6) are respectively provided with a weight sensor, the periphery of the grading device main body is provided with a controller, and the controller is electrically connected with the three weight sensors respectively.
3. The wet pre-classification device for the raw ore applied to the heavy medium ore dressing according to the claim 2 is characterized in that: be located desliming sieve (1) bottom weight sensor's output and the input electric connection of controller, and the output of controller respectively with desliming sieve (1) and the switch electric connection of hoisting device (2), be located primary dehydration and shine the bottom weight sensor's output and the input electric connection of controller, and the output of controller respectively with primary dewatering sieve (3) and pump pressure conveyor (4) the switch electric connection, be located electromagnetism high frequency dewatering sieve (6) bottom weight sensor's output and the input electric connection of controller, and the output of controller and the switch electric connection of electromagnetism high frequency dewatering sieve (6).
4. The wet pre-classification device for the raw ore applied to the heavy medium ore dressing according to the claim 1 is characterized in that: the screen cloth screen cut of desliming sieve (1) is 4.5mm, the screen cloth screen cut of preliminary dewatering sieve (3) is 1mm, the screen cloth screen cut of electromagnetism high frequency dewatering sieve (6) is less than 1 mm.
5. The wet pre-classification device of raw ore applied to the heavy medium ore dressing according to claim 4 is characterized in that: and the material output ports of the primary dewatering screen (3) and the electromagnetic high-frequency dewatering screen (6) are connected with the feed inlet of the tailing bin through a conveyor belt mechanism.
6. The wet pre-classification device for the raw ore applied to the heavy medium ore dressing according to the claim 5 is characterized in that: and a spraying mechanism is arranged on the primary dewatering screen (3).
7. The wet pre-classification device for the raw ore applied to the heavy medium ore dressing according to the claim 1 is characterized in that: an output port of a crushing decomposition structure is arranged right above the input end of the desliming screen (1).
8. The wet pre-classification device for the raw ore applied to the heavy medium ore dressing according to the claim 1 is characterized in that: the cyclone (5) is a large-diameter cyclone (5), and the top outlet of the cyclone (5) is hermetically connected with the liquid recovery tank through a connecting pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120883220.9U CN215234989U (en) | 2021-04-27 | 2021-04-27 | Raw ore wet-process pre-classification device applied to heavy medium ore dressing |
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| CN202120883220.9U CN215234989U (en) | 2021-04-27 | 2021-04-27 | Raw ore wet-process pre-classification device applied to heavy medium ore dressing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117123471A (en) * | 2023-10-25 | 2023-11-28 | 内蒙古维拉斯托矿业有限公司 | Lepidolite comprehensive recovery is with desliming device in copper zinc tailing |
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2021
- 2021-04-27 CN CN202120883220.9U patent/CN215234989U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117123471A (en) * | 2023-10-25 | 2023-11-28 | 内蒙古维拉斯托矿业有限公司 | Lepidolite comprehensive recovery is with desliming device in copper zinc tailing |
| CN117123471B (en) * | 2023-10-25 | 2023-12-26 | 内蒙古维拉斯托矿业有限公司 | Lepidolite comprehensive recovery is with desliming device in copper zinc tailing |
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