CN216396674U - Full-size ore pretreatment device - Google Patents
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- CN216396674U CN216396674U CN202123210576.5U CN202123210576U CN216396674U CN 216396674 U CN216396674 U CN 216396674U CN 202123210576 U CN202123210576 U CN 202123210576U CN 216396674 U CN216396674 U CN 216396674U
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Abstract
The utility model provides an ore full-size-fraction pretreatment device which comprises a crushing system, an ore washing and screening system communicated with the crushing system, an X-ray intelligent sorting system and a jigging operation system, wherein the X-ray intelligent sorting system and the jigging operation system are respectively communicated with the ore washing and screening system. Screening the crushed ore into a plus 12mm size fraction and a minus 12mm size fraction through an ore washing and screening system, performing jigging operation on the minus 12mm size fraction, and crushing, screening, washing sand and recovering fine sand from the jigged tailings again to obtain finished sand; carrying out X-ray intelligent separation operation on the plus 12mm size fraction to obtain the broken stone which can be used for aggregate. The waste throwing rate of the X-ray intelligent separation operation and the jigging operation is high, the recovery rate of valuable elements can reach more than 96 percent, the full-grain-level efficient utilization of ores can be realized, the overall value of the ores is improved, the ore dressing cost can be reduced, and the energy consumption can be saved.
Description
Technical Field
The utility model relates to the technical field of mineral processing devices, in particular to an ore full-grade pretreatment device.
Background
In order to save resources and protect ecological environment, the construction of green mines and the realization of tailless mines become new development trends in recent years. Mineral resources are used as non-renewable resources, and comprehensive utilization and research of mined ores become problems which are considered and need to be solved by mine enterprises. The method has the advantages that the whole grain size fraction of the ore is pretreated, and the barren rocks are removed, so that beneficial elements are enriched, the barren rocks can be comprehensively utilized, the integral value of the ore is improved, the ore dressing cost can be reduced, the energy consumption is saved, and a solid foundation is laid for realizing a tailless mine and a green mine.
In view of the above, there is a need for an improved ore full-size fraction pretreatment apparatus to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an ore full-grade pretreatment device, through a crushing system, an ore washing and screening system, an X-ray intelligent sorting system and a jigging operation system, ores are subjected to crushing, screening and ore washing and screening in sequence and then respectively subjected to X-ray intelligent sorting operation and jigging operation to obtain crushed stones and finished sand, so that full-grade efficient utilization of the ores can be realized, the overall value of the ores is improved, the ore dressing cost can be reduced, and the energy consumption is saved.
In order to realize the purpose of the utility model, the utility model provides an ore full-size pretreatment device, which comprises a crushing system, a mineral washing and screening system communicated with the crushing system, and an X-ray intelligent sorting system and a jigging operation system respectively communicated with the mineral washing and screening system; the method is used for performing crushing screening and ore washing screening on ores in sequence, and then performing X-ray intelligent separation operation and jigging operation respectively to obtain broken stones and finished sand.
As a further improvement of the utility model, the crushing system comprises a raw material bin, a first crushing unit, a second crushing unit and a first vibrating screen; the first vibrating screen is communicated with the ore washing screening system;
the ore in the raw material bin is transported to the first vibrating screen after being crushed by the first crushing unit, undersize materials are transported to the ore washing and screening system, oversize materials are transported to the second crushing unit, and the crushed ores are transported to the first vibrating screen again.
As a further improvement of the utility model, the first crushing unit comprises a first feeder and a first crusher which are sequentially communicated with the raw material bin; the first crusher is communicated with a feeding hole of the first vibrating screen through a first conveying belt;
the second crushing unit comprises a second feeder and a second crusher; a feed port of the second feeder is communicated with an oversize material outlet of the first vibrating screen through a second conveying belt; and the discharge hole of the second crusher is also communicated with the feed inlet of the first vibrating screen through the first conveying belt.
As a further improvement of the utility model, an intermediate ore bin and a third feeder are sequentially arranged between the first vibrating screen and the ore washing and screening system; the undersize material outlet of the first vibrating screen is communicated with the feed inlet of the middle ore bin through a third conveying belt, and the third feeder is communicated with the ore washing and screening system through a fourth conveying belt.
As a further improvement of the utility model, the ore washing and screening system comprises an ore washing screen communicated with the third feeding machine, an oversize material outlet of the ore washing screen is communicated with a buffer bin through a second conveying unit, and the buffer bin is communicated with the X-ray intelligent sorting system;
and an undersize material outlet of the ore washing screen is communicated with the jigging operation system.
As a further improvement of the utility model, the X-ray intelligent sorting system comprises an X-ray intelligent sorting machine communicated with the buffer bin;
a concentrate outlet of the X-ray intelligent separator is communicated with a third crusher through a fifth conveyer belt, and a discharge hole of the third crusher is communicated with a feed inlet of the second vibrating screen through a seventh conveyer belt; an oversize material outlet of the second vibrating screen is communicated with a feed inlet of the third crusher through a sixth conveying belt; an undersize material outlet of the second vibrating screen is communicated with the jigging operation system through a conveying belt;
and a tailing outlet of the X-ray intelligent sorting machine is communicated with the third vibrating screen through a tenth conveying belt.
As a further improvement of the utility model, the jigging operation system comprises a jigger;
a jigging concentrate discharge port of the jigger is communicated with the first linear sieve and is used for performing linear dehydration on the jigging concentrate to obtain final concentrate;
and a jigging tailing discharge port of the jigger is communicated with the second linear sieve and is used for linearly dewatering the jigging tailing.
As a further improvement of the utility model, the second linear screen comprises a water outlet and an ore outlet; and the ore outlet is sequentially connected with a crushing and screening unit, a sand washing unit and a fine sand recovery unit and is used for sequentially carrying out crushing and screening, sand washing and fine sand recovery and separation on the jigging tailings subjected to linear dehydration to obtain finished sand.
As a further improvement of the utility model, the crushing and screening unit comprises a vertical shaft crusher communicated with the ore outlet through an eleventh conveying belt, and a third linear screen communicated with a discharge port of the vertical shaft crusher; an undersize material outlet of the third linear screen is communicated with the sand washing unit; and an oversize material outlet of the third linear sieve is communicated with a feed inlet of the vertical shaft crusher through a twelfth conveying belt.
As a further improvement of the utility model, the sand washing unit comprises a bucket wheel sand washer communicated with the third linear screen; the bucket wheel type sand washer comprises an underflow outlet and an overflow outlet, and the finished sand is obtained after the underflow outlet is dehydrated;
the fine sand recovery unit comprises a sand pump pool, a fine sand treatment device and a filter screen which are sequentially communicated with an overflow outlet of the bucket wheel type sand washer; the underflow of the fine sand treatment device enters the filter screen, and finished sand is obtained after screening; and the overflow water of the fine sand treatment device enters a water treatment recovery system.
The utility model has the beneficial effects that:
1. according to the full-size-fraction ore pretreatment device provided by the utility model, ores are subjected to crushing screening and ore washing screening in sequence and then enter X-ray intelligent separation operation and jigging operation respectively; the X-ray tailings enter an aggregate processing vibrating screen, and crushed stone of 26 mm-40 mm and crushed stone of 12 mm-26 mm can be obtained for aggregate after screening. And (3) carrying out fine crushing on the X-ray concentrate, then carrying out inspection and screening, returning ores with the size of plus 12mm above a sieve to be mixed with the X-ray concentrate to be finely crushed, mixing ores with the size of minus 12mm below the sieve with an ore washing sieve to be mixed with the ores with the size of minus 12mm below the sieve, and carrying out jigging operation. And (4) dehydrating the jigged concentrate obtained by jigging operation by using a linear sieve to obtain final concentrate, and performing subsequent grinding and floating operation. The jigging tailings are dehydrated through the linear sieve and then enter a machine-made sand processing operation and fine sand recovery system to obtain finished product sand, so that the waste throwing rate of the X-ray intelligent separation operation and the jigging operation is high, the recovery rate of valuable elements can reach more than 96%, the full-grain-level efficient utilization of ores can be realized, the integral value of the ores is improved, the ore dressing cost can be reduced, the energy consumption is saved, and a solid foundation is laid for tailless mines and green mines.
Drawings
FIG. 1 is a schematic view of the structure of an ore full-size fraction pretreatment apparatus according to the present invention.
FIG. 2 is a flow chart of the operation of the ore full size fraction pretreatment apparatus of the present invention.
Reference numerals
10-a crushing system; 11-raw material bin; 12-a first crushing unit; 121-a first feeder; 122-a first crusher; 13-a second crushing unit; 131-a second feeder; 132-a second crusher; 14-a first vibrating screen; 15-intermediate ore bin; 16-a third feeder; 17-a first transport unit; 171-a first conveyor belt; 172-a second conveyor belt; 173-a third conveyor belt; 174-a fourth conveyor belt;
20-a washing and screening system; 21-washing the ore screen; 22-a second conveying unit; 23-a surge bin;
30-X-ray intelligent sorting system; 31-an X-ray intelligent sorting machine; 32-a third crusher; 33-a second vibrating screen; 34-a third vibrating screen; 35-a third conveying unit; 351-a fifth conveyor belt; 352-sixth conveyor belt; 353-a seventh conveyor belt; 354-an eighth conveyor belt; 355-a ninth conveyor belt; 356-tenth conveyor belt;
40-jigging operation system; 41-jigging machine; 42-a first linear screen; 43-a second linear screen; 44-vertical shaft crusher; 45-a third linear screen; 46-bucket wheel sand washer; 47-sand pump pool; 48-fine sand treatment device; 49-a filter sieve; 410-a fourth conveying unit; 411-an eleventh conveyor belt; 412-a twelfth conveyor belt; 413-a thirteenth conveyor belt; 414-fourteenth conveyor belt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in detail below with reference to specific embodiments.
It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the scheme of the present invention are shown in the specific embodiments, and other details not closely related to the present invention are omitted.
In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, the full-size ore pretreatment device provided by the present invention includes a crushing system 10, a mineral washing and screening system 20 communicated with the crushing system 10, and an X-ray intelligent sorting system 30 and a jigging operation system 40 respectively communicated with the mineral washing and screening system 20; the method is used for performing crushing screening and ore washing screening on ores in sequence, and then performing X-ray intelligent separation operation and jigging operation respectively to obtain broken stones and finished sand.
The crushing system 10 comprises a raw material bin 11, a first crushing unit 12, a second crushing unit 13 and a first vibrating screen 14; the first vibrating screen 14 is communicated with a washing and screening system 20; the ore in the raw material bin 11 is crushed by the first crushing unit 12 and then transported to the first vibrating screen 14, the undersize material (-40mm) is transported to the ore washing and screening system 20, the oversize material (+40mm) is transported to the second crushing unit 13, and the crushed ore is transported to the first vibrating screen 14 again.
The first crushing unit 12 comprises a first feeder 121 and a first crusher 122 which are sequentially communicated with the raw material bin 11; the first crusher 122 is communicated with the feed opening of the first vibrating screen 14 through a first conveyor belt 171; the second crushing unit 13 comprises a second feeder 131 and a second crusher 132; the feed inlet of the second feeder 131 is communicated with the oversize material outlet of the first vibrating screen 14 through a second conveying belt 172; the discharge port of the second crusher 132 is also communicated with the feed port of the first vibrating screen 14 through the first conveyor belt 171.
An intermediate ore bin 15 and a third feeder 16 are sequentially arranged between the first vibrating screen 14 and the ore washing and screening system 20; the undersize material outlet of the first vibrating screen 14 is communicated with the feed inlet of the intermediate ore bin 15 through a third conveying belt 173, and the third feeder 16 is communicated with the ore washing and screening system 20 through a fourth conveying belt 174.
The ore washing and screening system 20 comprises an ore washing screen 21 communicated with the third feeding machine 16, an oversize material outlet (12-40mm) of the ore washing screen 21 is communicated with a buffer bin 23 through a second conveying unit 22, and the buffer bin 23 is communicated with an X-ray intelligent sorting system 30; the undersize material outlet (-12mm) of the ore washing screen 21 is communicated with the jigging operation system 40.
The X-ray intelligent sorting system 30 comprises an X-ray intelligent sorting machine 31 communicated with the buffer bin 23; a concentrate outlet of the X-ray intelligent separator 31 is communicated with the third crusher 32 through a fifth conveyer belt 351, and a discharge hole of the third crusher 32 is communicated with a feed inlet of the second vibrating screen 33 through a seventh conveyer belt 353; an oversize material outlet (+12mm) of the second vibrating screen 33 is communicated with a feed inlet of the third crusher 32 through a sixth conveying belt 352; an undersize material outlet (-12mm) of the second vibrating screen 33 is communicated with the jigging operation system 40 through a conveying belt;
the tailing outlet of the X-ray intelligent classifier 31 is communicated with the third vibrating screen 34 through a tenth conveying belt 356. The particle size fractions of the oversize material and the undersize material of the third vibrating screen 34 are respectively 26-40mm and 12-26mm, and the materials are respectively piled up and stored as crushed stones and can be used for aggregate. The oversize material is transported to the corresponding storage bin by an eighth conveyor belt 354; the undersize material is transported to the corresponding storage bin by a ninth conveyor belt, 355.
The jigging operation system 40 includes a jigger 41; a jigging concentrate discharge port of the jigger 41 is communicated with the first linear sieve 42 and is used for performing linear dehydration on the jigging concentrate to obtain final concentrate, the final concentrate can be communicated with the grinding and floating buffer bin through a conveying belt, and the removed water can enter a water treatment system for recycling. And a jigging tailing discharge port of the jigger 41 is communicated with the second linear sieve 43 and is used for linearly dewatering the jigging tailing.
The second linear screen 43 comprises a water outlet and a mine outlet; the ore outlet is sequentially connected with a crushing and screening unit, a sand washing unit and a fine sand recovery unit and is used for sequentially carrying out crushing and screening, sand washing and fine sand recovery and separation on the jigging tailings after linear dehydration to obtain finished sand.
The crushing and screening unit comprises a vertical shaft crusher 44 communicated with an ore outlet through an eleventh conveying belt 411, and a third linear screen 45 communicated with a discharge port of the vertical shaft crusher 44; the undersize material outlet of the third linear sieve 45 is communicated with the sand washing unit; the oversize material outlet of the third linear screen 45 communicates with the feed inlet of the vertical shaft crusher 44 via a twelfth conveyor belt 412.
The sand washing unit comprises a bucket wheel type sand washer 46 communicated with the third linear screen 45; the bucket wheel type sand washer 46 comprises an underflow outlet and an overflow outlet, and finished sand is obtained after dehydration at the underflow outlet and is transported to a corresponding storage bin through a fourteenth conveyor belt 414 for filling; the fine sand recovery unit comprises a sand pump pool 47, a fine sand treatment device 48 (an inclined plate thickener) and a filter screen 49 which are sequentially communicated with an overflow outlet of a bucket wheel type sand washer 46; the underflow of the fine sand treatment device 48 enters a filter screen 49, and finished sand is obtained after screening; the overflow water of the fine sand treatment device 48 enters a water treatment recovery system for recycling, and the underflow of the water treatment system enters a filling system.
The working principle of the ore full-size fraction pretreatment device is as follows:
the method comprises the following steps of roughly crushing ores with the maximum block size of 700mm (the process is suitable for various ores, including but not limited to ores such as lead zinc ores, copper ores and molybdenum ores of non-ferrous metal ores and phosphorite ores of chemical industrial ores), screening the roughly crushed ores, removing middle crushed ores with the size of +40mm on a screen, screening the middle crushed ores and the roughly crushed ores, feeding ores with the size of minus 40mm below the screen into an ore washing screen, intelligently sorting the ores with the size of 12mm to 40mm above the screen by X rays, and performing jigging operation on the ores with the size of minus 12mm below the screen of the ore washing screen.
And (3) carrying out X-ray intelligent separation on the ores of 12 mm-40 mm to obtain X-ray tailings and X-ray concentrate. Wherein, the X-ray concentrate enters fine crushing, and the X-ray tailings enter aggregate processing operation. And (3) carrying out fine crushing on the X-ray concentrate, then carrying out inspection and screening, returning ores with the size of plus 12mm above a sieve to be mixed with the X-ray concentrate to be finely crushed, mixing ores with the size of minus 12mm below the sieve with an ore washing sieve to be mixed with the ores with the size of minus 12mm below the sieve, and carrying out jigging operation.
The X-ray tailings enter an aggregate processing vibrating screen, and crushed stone of 26 mm-40 mm and crushed stone of 12 mm-26 mm are obtained after screening for the aggregate. The sizes of the coarse crushing and medium crushing ore discharge openings and the sizes of the screen holes of the aggregate screening vibrating screen can be adjusted according to the requirements of the market on aggregates, and more aggregates of different types can be produced.
Jigging concentrate and jigging tailings are obtained through jigging operation, and the jigging concentrate is dehydrated through a linear sieve and then enters subsequent grinding and floating operation for the final concentrate of the pre-sorting.
The jigging tailings are dehydrated by a linear sieve and then enter a machine-made sand processing operation. And water dewatered by the jigging tailings through the linear screen enters a water treatment system for recycling. The dewatered jigging operation tailings enter a machine-made sand screening operation screen plus 5mm ores into a vertical shaft crusher, the crushed jigging operation screen plus 5mm ores and the jigging tailings are converged and enter a machine-made sand screening machine, minus 5mm ores under the screen enter a bucket wheel type sand washer, the bottom of the bucket wheel type sand washer flows through a dewatering screen carried by the bucket wheel type sand washer to be dewatered to form finished product machine-made sand, the bucket wheel type sand washer overflows to enter a fine sand recovery system, and the recovered fine sand is finished product machine-made sand. The overflow water of the fine sand recovery system enters a water treatment system for recycling, and the underflow of the water treatment system enters a filling system.
The waste throwing rate of the X-ray intelligent sorting operation is 20-50%, the waste throwing rate of the jigging operation is 30-60%, the comprehensive waste throwing rate is 20-60%, and the recovery rate of each valuable element is over 96%.
The full-size-fraction pretreatment device for the ores provided by the utility model is used for treating the lead-zinc ores, wherein the lead grade is 1.07%, the zinc grade is 2.03%, and the content of silicon dioxide is about 66%, and the method provided by the embodiment is carried out by referring to the flow shown in fig. 1 and comprises the following steps:
the ore with the maximum block size of 700mm is roughly crushed and then screened, the plus 40mm ore is removed from the screen to be subjected to intermediate crushing, the intermediate crushed ore is returned to be merged with the roughly crushed ore, the circulation coefficient C is 150%, the intermediate crushed ore and the roughly crushed ore are screened together, the minus 40mm ore under the screen enters a washing screen, the 12 mm-40 mm ore with the yield of 45.25% on the screen enters X-ray intelligent separation, and the minus 12mm ore with the yield of 54.75% under the screen of the washing screen enters jigging operation.
After the ore with the grain size of 12 mm-40 mm is intelligently sorted by X-ray, the X-ray tailings with the yield of 20.36% and the X-ray concentrate with the yield of 24.89% are obtained, the waste throwing rate in X-ray operation is about 45%, the recovery rates in lead and zinc operation are respectively 97.01% and 97.80%, the positions of lead and zinc in the X-ray concentrate are respectively 1.89%, the X-ray concentrate with the yield of 3.61% enters fine crushing, and the X-ray intelligent tailings with the yield of 20.36% enters aggregate processing operation.
And (3) carrying out fine crushing on the X-ray intelligent separation concentrate, then carrying out inspection and screening, returning ores with the size of plus 12mm above a sieve to be converged with the X-ray intelligent separation concentrate to be finely crushed, converging the ores with the yield of minus 12mm below the sieve and the ores with the size of minus 12mm below the sieve of the ore washing sieve to be subjected to jigging operation. The tailings subjected to the intelligent X-ray separation enter an aggregate processing vibrating screen, and crushed stone with the yield of 11.20 percent, 26 mm-40 mm and crushed stone with the yield of 9.16 percent and 12 mm-26 mm are obtained after screening and used as building material aggregates.
The yield of the X-ray intelligent sorted concentrate is 24.89 percent, the yield of 12mm ore and the yield of 54.75 percent under a washing sieve and the yield of 12mm ore are subjected to jigging operation to obtain the jigging concentrate with the yield of 46.79 percent and the jigging tailings with the yield of 32.85 percent. The reject rate of jigging operation is about 41.25%, the lead and zinc grades in jigging concentrate are respectively 2.20% and 4.18%, the final concentrate is subjected to the pre-sorting and the subsequent operation after the concentrate is dehydrated by a linear sieve, the final concentrate yield is 46.79%, the lead and zinc grades are respectively 2.20% and 4.18%, the lead and zinc recovery rates are respectively 96.16% and 96.43%, and the total reject rate is 53.21%.
The jigging tailings are dehydrated by a linear sieve and then enter a machine-made sand to be processed to obtain the machine-made sand with the yield of about 29.85 percent. And the water dehydrated by the linear sieve enters a water treatment system for recycling. Jigging operation tailings enter machine-made sand processing, ores with the size of plus 5mm on a sieve in machine-made sand screening operation enter a vertical shaft crusher, the ores are crushed and then are converged with the jigging tailings to enter the machine-made sand screening, ores with the size of minus 5mm below the sieve enter a bucket wheel type sand washer, the bottom of the bucket wheel type sand washer flows through a dewatering screen carried by the bucket wheel type sand washer to be dewatered to form finished product machine-made sand, the bucket wheel type sand washer overflows to enter a fine sand recovery system, and the recovered fine sand is the finished product machine-made sand. The water of the fine sand recovery system enters a water treatment system for recycling, and the bottom flow of the water treatment system enters a filling system.
Table 1 data of the products of each process
In summary, the utility model sequentially carries out crushing screening and ore washing screening on the ores through the crushing system, the ore washing screening system, the X-ray intelligent sorting system and the jigging operation system, and then respectively enters the X-ray intelligent sorting operation and the jigging operation to obtain the crushed stones and the finished sand. The waste throwing rate of the X-ray intelligent separation operation and the jigging operation is high, the recovery rate of valuable elements can reach more than 96 percent, the full-grain-level efficient utilization of ores can be realized, the integral value of the ores is improved, the ore dressing cost can be reduced, the energy consumption is saved, and a solid foundation is laid for the realization of tailless mines and green mines.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the present invention.
Claims (10)
1. The ore full-size-fraction pretreatment device is characterized by comprising a crushing system (10), a mineral washing and screening system (20) communicated with the crushing system (10), and an X-ray intelligent sorting system (30) and a jigging operation system (40) which are respectively communicated with the mineral washing and screening system (20); the method is used for performing crushing screening and ore washing screening on ores in sequence, and then performing X-ray intelligent separation operation and jigging operation respectively to obtain broken stones and finished sand.
2. The apparatus according to claim 1, characterized in that the crushing system (10) comprises a raw material bin (11), a first crushing unit (12), a second crushing unit (13) and a first vibrating screen (14); the first vibrating screen (14) is in communication with the ore washing screening system (20);
the ore in raw materials storehouse (11) warp first crushing unit (12) broken back transport extremely first shale shaker (14), undersize material transport extremely wash ore screening system (20), oversize material transport extremely second crushing unit (13), transport again after the breakage extremely first shale shaker (14).
3. The apparatus for the whole fraction pretreatment of ores according to claim 2, characterized in that the first crushing unit (12) comprises a first feeder (121) and a first crusher (122) in communication with the raw material bin (11) in turn; the first crusher (122) is communicated with a feeding hole of the first vibrating screen (14) through a first conveying belt (171);
the second crushing unit (13) comprises a second feeder (131) and a second crusher (132); the feeding hole of the second feeding machine (131) is communicated with the oversize material outlet of the first vibrating screen (14) through a second conveying belt (172); the discharge port of the second crusher (132) is also communicated with the feed port of the first vibrating screen (14) through the first conveying belt (171).
4. The ore full-size fraction pretreatment device according to claim 2, characterized in that an intermediate ore bin (15) and a third feeding machine (16) are further arranged between the first vibrating screen (14) and the ore washing and screening system (20) in sequence; the undersize material outlet of the first vibrating screen (14) is communicated with the feed inlet of the intermediate ore bin (15) through a third conveying belt (173), and the third feeder (16) is communicated with the ore washing and screening system (20) through a fourth conveying belt (174).
5. The ore full-size fraction pretreatment device according to claim 4, characterized in that the ore washing and screening system (20) comprises an ore washing screen (21) communicated with the third feeding machine (16), an oversize material outlet of the ore washing screen (21) is communicated with a surge bin (23) through a second conveying unit (22), and the surge bin (23) is communicated with the X-ray intelligent sorting system (30);
and an undersize material outlet of the ore washing screen (21) is communicated with the jigging operation system (40).
6. The ore full-size fraction preprocessing device according to claim 5, characterized in that the X-ray intelligent sorting system (30) comprises an X-ray intelligent sorting machine (31) communicating with the surge bin (23);
a concentrate outlet of the X-ray intelligent separator (31) is communicated with a third crusher (32) through a fifth conveyer belt (351), and a discharge hole of the third crusher (32) is communicated with a feed inlet of a second vibrating screen (33) through a seventh conveyer belt (353); an oversize material outlet of the second vibrating screen (33) is communicated with a feed inlet of the third crusher (32) through a sixth conveying belt (352); the undersize material outlet of the second vibrating screen (33) is communicated with the jigging operation system (40) through a conveying belt;
and a tailing outlet of the X-ray intelligent sorting machine (31) is communicated with the third vibrating screen (34) through a tenth conveying belt (356).
7. The apparatus for whole fraction pretreatment of ores according to claim 5, characterized in that the jigging work system (40) comprises a jigger (41);
a jigging concentrate discharge hole of the jigger (41) is communicated with the first linear sieve (42) and is used for performing linear dehydration on the jigging concentrate to obtain final concentrate;
and a jigging tailing discharge hole of the jigger (41) is communicated with a second linear sieve (43) and is used for linearly dewatering the jigging tailing.
8. The apparatus for the whole fraction pretreatment of ores according to claim 7, characterized in that the second linear screen (43) comprises a water outlet and a mine outlet; and the ore outlet is sequentially connected with a crushing and screening unit, a sand washing unit and a fine sand recovery unit and is used for sequentially carrying out crushing and screening, sand washing and fine sand recovery and separation on the jigging tailings subjected to linear dehydration to obtain finished sand.
9. The whole fraction ore pretreatment device according to claim 8, characterized in that the crushing and screening unit comprises a vertical shaft crusher (44) communicated with the ore outlet through an eleventh conveyor belt (411), and a third linear screen (45) communicated with the discharge port of the vertical shaft crusher (44); the undersize material outlet of the third linear screen (45) is communicated with the sand washing unit; and the oversize material outlet of the third linear screen (45) is communicated with the feed inlet of the vertical shaft crusher (44) through a twelfth conveying belt (412).
10. The ore full size fraction preprocessing unit as claimed in claim 9, characterized in that said sand washing unit comprises a bucket wheel sand washer (46) in communication with said third linear screen (45); the bucket wheel type sand washer (46) comprises an underflow outlet and an overflow outlet, and the underflow outlet is dehydrated to obtain finished sand;
the fine sand recovery unit comprises a sand pump pool (47), a fine sand treatment device (48) and a filter screen (49), which are sequentially communicated with an overflow outlet of the bucket wheel type sand washer (46); the underflow of the fine sand treatment device (48) enters the filter screen (49) and finished sand is obtained after screening; and the overflow water of the fine sand treatment device (48) enters a water treatment recovery system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123210576.5U CN216396674U (en) | 2021-12-20 | 2021-12-20 | Full-size ore pretreatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123210576.5U CN216396674U (en) | 2021-12-20 | 2021-12-20 | Full-size ore pretreatment device |
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| CN216396674U true CN216396674U (en) | 2022-04-29 |
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2021
- 2021-12-20 CN CN202123210576.5U patent/CN216396674U/en active Active
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