CN103018278B - On-line magnetic iron detection and alarm device and method for magnetite tailings - Google Patents
On-line magnetic iron detection and alarm device and method for magnetite tailings Download PDFInfo
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- CN103018278B CN103018278B CN201210487506.0A CN201210487506A CN103018278B CN 103018278 B CN103018278 B CN 103018278B CN 201210487506 A CN201210487506 A CN 201210487506A CN 103018278 B CN103018278 B CN 103018278B
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Abstract
The invention relates to an on-line magnetic iron detection and alarm device and method for magnetite tailings. The on-line magnetic iron detection alarm device comprises a tailing groove, a mine cutting pipe, a pulp groove, a magnetic separation device for pulp and a detection and early warning device, wherein the magnetic separation device for pulp is composed of a driving device, a driving shaft, a permanent magnetic separation disc, two mine discharging grooves and two water filling devices; the mine discharging grooves are fixed on the pulp groove through a support; the detection and early warning device is composed of a fixed frame, two thickness detection sensors, an analog and digital converter, a computer and a photoelectric alarm; and the two thickness detection sensors are respectively arranged on one outer sides of the two end faces of the permanent magnetic separation disc. The on-line magnetic iron detection and alarm device and method provided by the invention can timely detect the change of magnetic iron in the tailings and make preliminary judgment on an operation state of the magnetic separator, thus avoiding the situation that the content of the magnetic iron in the tailings is out of limits for a long time; and meanwhile, the on-line magnetic iron detection and alarm device and method can make preliminary judgment on a part out of limits and narrow an investigation range, so that the parts out of limits can be disposed in real time, and the labour intensity of operating staffs is relieved.
Description
Technical field
The invention belongs to iron ore and sort technical field, relate to the online detection alarm device of Armco magnetic iron and detection alarm method in a kind of magnetic iron ore mine tailing.
Background technology
In existing magnetite separation technical field, no matter be to adopt single magnetic separation process or adopt magnetic-floating connection to select technique, in its mine tailing, inevitably exist Armco magnetic iron (iron in strongly magnetic mineral), therefore, domestic nearly all mammoth mill all adopts weak magnetic recycling machine to reclaim the Armco magnetic iron in mine tailing, with selecting technique again to sort the Armco magnetic iron reclaiming, reaches increase concentrate output again, reduce tailings grade, improve the object of metal recovery rate.
The height of vignite content in mine tailing, be subject to the impact of factors, for example sorting equipment fault, not in time, sorting equipment mine-supplying quantity exceedes its processing power etc. to ore dressing operating personnel operation adjustment, and these all can cause the Armco magnetic iron content in mine tailing higher, if can not be processed in time, can cause and reclaim ferromagnetic recycling machine scarce capacity in mine tailing, cause recycling machine tailings grade higher, amount of metal runs off serious.Therefore, in actual production, often the Armco magnetic iron content in mine tailing is set to a threshold, if exceed this threshold, illustrate in the process of sorting and have problems, need investigate and solve, if the Armco magnetic iron grade for example in mine tailing is set not higher than 1%, detect by sample examination, if exceed 1%, need investigate each section of sorting operation, until find out the higher reason of Armco magnetic iron and process.This arrange distinguish method is afterwards that time-consuming, effort, efficiency are low, and the Armco magnetic iron grade position that exceeds standard can not be determined fast.
Summary of the invention
The object of the present invention is to provide the online detection alarm device of Armco magnetic iron in a kind of magnetic iron ore mine tailing, can solve prior art above shortcomings, realize Armco magnetic iron in online detection mine tailing and whether exceed standard, and can tentatively confirm the position that exceeds standard, reduce investigation scope.
A further object of the present invention is to provide a kind of method of utilizing the online detection alarm device of Armco magnetic iron in magnetic iron ore mine tailing Armco magnetic iron in magnetic iron ore mine tailing to be carried out to detection alarm.
The object of the invention is to realize by following technical proposals:
The online detection alarm device of Armco magnetic iron in magnetic iron ore mine tailing of the present invention, comprise tail-box, be located at the pipe that cuts on this tail-box, be located at the pulp tank of this section of pipe below, be located at ore pulp concentration equipment described in the ore pulp concentration equipment on this pulp tank by the drive unit that is fixed on pulp tank upper end, the driving shaft that drive unit is connected therewith, be fixed on the permanent-magnet concentration dish on this driving shaft, two mineral blowtanks that two panel surface of permanent-magnet concentration dish are slidably connected therewith respectively and two water-flushing devices that are located at respectively this mineral blowtank top form, described mineral blowtank is fixed on pulp tank by support, it is characterized in that described ore pulp concentration equipment is also connected with detection prior-warning device,
Described detection prior-warning device is by fixed mount, be located at two thickness detecting sensors on this fixed mount, two A/D converters that thickness detecting sensor is connected therewith respectively, the computing machine that A/D converter is connected therewith forms with the photoelectric alarm that computing machine is connected therewith, and two described thickness detecting sensors are located at respectively the side outside described permanent-magnet concentration dish both ends of the surface.
Described pulp tank is by the cell body of upper end open, the ore pulp delivery pipe that is located at respectively weir divider I and the weir divider II of both sides in this cell body and is located at this cell body bottom forms, described weir divider I and weir divider II are divided into ore pulp to mining area by cell body inner space, magnetic separation adsorption zone and ore pulp assembling area, described driving shaft is across the upper end, magnetic separation adsorption zone at described cell body, the rotation Lower Half volume of described permanent-magnet concentration dish is positioned at described magnetic separation adsorption zone, described mineral blowtank outlet is positioned at the top of described ore pulp assembling area, the described outlet that cuts pipe is positioned at the top of described ore pulp to mining area.
Described mineral blowtank is the V-shaped groove that the rotation first half panel surface of a upper end and described permanent-magnet concentration dish is slidably connected, and another outside, upper end of this V-shaped groove is connected with described support.
The upper surface of described weir divider I is lower than the upper surface of described cell body surrounding, and the upper surface of weir divider II is lower than the upper surface of described weir divider I.
A detection method of utilizing Armco magnetic iron on-line measuring device in described magnetic iron ore mine tailing, is characterized in that comprising the following steps:
1) sampling pulp
With cutting continual intercepting mine tailing sample in the tail-mineral pipeline of pipe from magnetic iron ore sorts, and feed pulp tank to mining area,
2) strongly magnetic mineral and the detection in absorption ore pulp
In the time that mineral syrup liquid exceedes weir divider I, ore pulp just overflows in the magnetic separation adsorption zone that is provided with permanent-magnet concentration dish, start drive unit, driving shaft drives permanent-magnet concentration disc spins, the Lower Half of permanent-magnet concentration dish is in the ore pulp in magnetic separation adsorption zone all the time, now the Armco magnetic iron in ore pulp is just adsorbed on permanent-magnet concentration dish, meanwhile, two thickness detecting sensors 1 detect the Armco magnetic iron thickness being adsorbed on permanent-magnet concentration dish, detection data transmission is processed on A/D converter and computing machine, and by one-tenth-value thickness 1/10 and setting value comparison, the ore pulp not adsorbed by magnetic separation dish in adsorption zone enters in ore pulp assembling area,
3) the super judgement of Armco magnetic iron content and warning
According to Armco magnetic iron content relation in direct ratio in the thickness of the strongly magnetic mineral being adsorbed in permanent-magnet concentration card and mine tailing, whether detect Armco magnetic iron content in mine tailing by the thickness of strongly magnetic mineral on measurement permanent-magnet concentration dish exceeds standard, when in the constant situation of mine tailing character, when Armco magnetic iron in mine tailing (MFe) content is less than 1%, the strongly magnetic mineral one-tenth-value thickness 1/10 on permanent-magnet concentration dish is less than a numerical value H
0, in the time that the vignite content in mine tailing exceedes 1%, the strongly magnetic mineral one-tenth-value thickness 1/10 H that its pick-up unit detects
talso change thereupon and exceed H
0if, the one-tenth-value thickness 1/10 H detecting within a period of time
tcontinue higher than H
0time, judge the Armco magnetic iron content overproof in mine tailing, now photoelectric alarm starts to report to the police,
4) ore discharge
One upper end of mineral blowtank (that is: V-shaped groove) with being slidably connected in process of permanent-magnet concentration dish, the Armco magnetic iron being adsorbed on permanent-magnet concentration dish is scraped off and enters into this V-shaped groove, then by the water-flushing device that is positioned at top, the Armco magnetic iron of falling into groove is poured to ore pulp assembling area, the ore pulp in assembling area enters debris tube finally by ore discharge pipe and is transported to next process with mine tailing.
Advantage of the present invention:
The present invention can detect ferromagnetic situation of change in mine tailing in time, in the time that in mine tailing, Armco magnetic iron exceeds standard, remind in time ore dressing operating personnel to check by reporting to the police, and process the problem that exceeds standard, can also tentatively judge the duty of magnetic plant, when magnetic plant sorting result is bad, also can be found timely.Avoid the Armco magnetic iron content in mine tailing to occur exceeding standard for a long time phenomenon, cause amount of metal to run off serious; Can also tentatively judge the position of the phenomenon that occurs exceeding standard simultaneously, reduce investigation scope, to process in time, reduce labor intensity of operating staff.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1 of the present invention.
Embodiment
Below in conjunction with brief description of the drawings the specific embodiment of the present invention.
As Fig. 1, shown in 2, in magnetic iron ore mine tailing of the present invention, Armco magnetic iron detects prior-warning device online, comprise tail-box 1, be located at section pipe 2 on this tail-box 1, be located at the pulp tank of this section of pipe 2 belows, be located at the ore pulp concentration equipment on this pulp tank, described ore pulp concentration equipment is by the drive unit 20 that is fixed on pulp tank upper end, the driving shaft 4 that drive unit 20 is connected therewith, be fixed on the permanent-magnet concentration dish 3 on this driving shaft 4, two mineral blowtanks 6 that two panel surface of permanent-magnet concentration dish 3 are slidably connected therewith respectively and two water-flushing devices 5 that are located at respectively this mineral blowtank top form, described mineral blowtank 6 is fixed on pulp tank by support 19, it is characterized in that described ore pulp concentration equipment is also connected with detection prior-warning device,
Described detection prior-warning device is by fixed mount 7, be located at two thickness detecting sensors 11 on this fixed mount 7, two A/D converters 8 that thickness detecting sensor 11 is connected therewith respectively, the computing machine 9 that A/D converter 8 is connected therewith forms with the photoelectric alarm 10 that computing machine 9 is connected therewith, and two described thickness detecting sensors 11 are located at respectively the side outside described permanent-magnet concentration dish 3 both ends of the surface.Described thickness detecting sensor 11 can be used ultrasonic sensor, laser sensor etc.For making measurement data more accurate, adopted two thickness transducers the two sides of permanent-magnet concentration dish to be detected simultaneously, jointly complete the detection to being adsorbed on the ferromagnetic thickness on permanent-magnet concentration dish.
Described pulp tank is by the cell body 18 of upper end open, the ore pulp delivery pipe 12 that is located at respectively weir divider I 16 and the weir divider II 14 of these cell body 18 interior both sides and is located at this cell body bottom forms, described weir divider I 16 and weir divider II 14 are divided into ore pulp to mining area 17 by cell body 18 inner spaces, magnetic separation adsorption zone 15 and ore pulp assembling area 13, described driving shaft 4 is across 15 upper ends, magnetic separation adsorption zone at described cell body 18, the rotation Lower Half volume of described permanent-magnet concentration dish 3 is positioned at described magnetic separation adsorption zone 15, described mineral blowtank outlet is positioned at the top of described ore pulp assembling area 13, the described outlet that cuts pipe 2 is positioned at the top of described ore pulp to mining area 17.
Described mineral blowtank 6 is the V-shaped groove that the rotation first half panel surface of a upper end and described permanent-magnet concentration dish 3 is slidably connected, and another outside, upper end of this V-shaped groove is connected with described support 19.
The upper surface of described weir divider I 16 is lower than the upper surface of described cell body 18 surroundings, and the upper surface of weir divider II 14 is lower than the upper surface of described weir divider I 16.
The present invention can arrange simultaneously on pulp conveying line, and whether the Armco magnetic iron content that can detect multiple spot exceeds standard, so that reduction operation personnel's investigation scope makes it to process in time the problem occurring.For example: can detect respectively each ingredient according to the composition of comprehensive mine tailing, realize the effective management to each region mine tailing.
The detection method of utilizing Armco magnetic iron on-line measuring device in magnetic iron ore mine tailing of the present invention, is characterized in that comprising the following steps:
1) sampling pulp
Uninterruptedly in the tail-mineral pipeline 1 of pipe from magnetic iron ore sorts intercept mine tailing sample with cutting, and feed tail-box to mining area 17,
2) strongly magnetic mineral and the detection in absorption ore pulp
In the time that mineral syrup liquid exceedes weir divider I 16, ore pulp just overflows in the magnetic separation adsorption zone 15 that is provided with permanent-magnet concentration dish 3, start drive unit 20, driving shaft 4 drives permanent-magnet concentration dish 3 to rotate, the Lower Half of permanent-magnet concentration dish 3 is in the ore pulp in magnetic separation adsorption zone 15 all the time, now the Armco magnetic iron in ore pulp is just adsorbed on permanent-magnet concentration dish 3, meanwhile, two thickness detecting sensors 11 detect the Armco magnetic iron thickness being adsorbed on permanent-magnet concentration dish, detection data transmission is processed on A/D converter 8 and computing machine 9, and by one-tenth-value thickness 1/10 and setting value comparison, the ore pulp not adsorbed by magnetic separation dish in adsorption zone enters in ore pulp assembling area,
3) the super judgement of Armco magnetic iron content and warning
According to Armco magnetic iron content relation in direct ratio in the thickness of the strongly magnetic mineral being adsorbed in permanent-magnet concentration card and mine tailing, whether detect Armco magnetic iron content in mine tailing by the thickness of strongly magnetic mineral on measurement permanent-magnet concentration dish exceeds standard, when in the constant situation of mine tailing character, when Armco magnetic iron in mine tailing (MFe) content is less than 1%, the strongly magnetic mineral one-tenth-value thickness 1/10 on permanent-magnet concentration dish is less than a numerical value H
0, in the time that the vignite content in mine tailing exceedes 1%, the strongly magnetic mineral one-tenth-value thickness 1/10 H that its pick-up unit detects
talso change thereupon and exceed H
0if, the one-tenth-value thickness 1/10 H detecting within a period of time
tcontinue higher than H
0time, can judge the Armco magnetic iron content overproof in mine tailing, now photoelectric alarm starts to report to the police, once exceed standard, just alarm of photoelectric alarm 10, reminds operating personnel to investigate to production scene, and process the Armco magnetic iron problem that exceeds standard, thereby reduce the loss of amount of metal
4) ore discharge
Mineral blowtank 6(is: V-shaped groove) a upper end with being slidably connected in process of permanent-magnet concentration dish 3, the Armco magnetic iron being adsorbed on permanent-magnet concentration dish 3 is scraped off and enters into this V-shaped groove, then by the water-flushing device that is positioned at top, the Armco magnetic iron of falling into groove is poured to ore pulp assembling area 13, the ore pulp in assembling area enters debris tube finally by ore discharge pipe and is transported to next process with mine tailing.
Claims (2)
1. the online detection alarm device of Armco magnetic iron in a magnetic iron ore mine tailing, comprise tail-box, be located at the pipe that cuts on this tail-box, be located at the pulp tank of this section of pipe below, be located at the ore pulp concentration equipment on this pulp tank, described ore pulp concentration equipment is by the drive unit that is fixed on pulp tank upper end, the driving shaft that drive unit is connected therewith, be fixed on the permanent-magnet concentration dish on this driving shaft, two mineral blowtanks that two panel surface of permanent-magnet concentration dish are slidably connected therewith respectively and two water-flushing devices that are located at respectively this mineral blowtank top form, described mineral blowtank is fixed on pulp tank by support, it is characterized in that described ore pulp concentration equipment is also connected with detection prior-warning device,
Described detection prior-warning device is by fixed mount, be located at two thickness detecting sensors on this fixed mount, two A/D converters that thickness detecting sensor is connected therewith respectively, the computing machine that A/D converter is connected therewith forms with the photoelectric alarm that computing machine is connected therewith, and two described thickness detecting sensors are located at respectively the side outside described permanent-magnet concentration dish both ends of the surface;
Described pulp tank is by the cell body of upper end open, the ore pulp delivery pipe that is located at respectively weir divider I and the weir divider II of both sides in this cell body and is located at this cell body bottom forms, described weir divider I and weir divider II are divided into ore pulp to mining area by cell body inner space, magnetic separation adsorption zone and ore pulp assembling area, described driving shaft is across the upper end, magnetic separation adsorption zone at described cell body, the rotation Lower Half volume of described permanent-magnet concentration dish is positioned at described magnetic separation adsorption zone, described mineral blowtank outlet is positioned at the top of described ore pulp assembling area, the described outlet that cuts pipe is positioned at the top of described ore pulp to mining area,
Described mineral blowtank is the V-shaped groove that the rotation first half panel surface of a upper end and described permanent-magnet concentration dish is slidably connected, and another outside, upper end of this V-shaped groove is connected with described support;
The upper surface of described weir divider I is lower than the upper surface of described cell body surrounding, and the upper surface of weir divider II is lower than the upper surface of described weir divider I.
2. a detection method of utilizing the online detection alarm device of Armco magnetic iron in the magnetic iron ore mine tailing described in claim 1, is characterized in that comprising the following steps:
1) sampling pulp
Uninterruptedly in the tail-mineral pipeline of pipe from magnetic iron ore sorts intercept mine tailing sample with cutting, and feed tail-box to mining area,
2) strongly magnetic mineral and the detection in absorption ore pulp
In the time that mineral syrup liquid exceedes weir divider I, ore pulp just overflows in the magnetic separation adsorption zone that is provided with permanent-magnet concentration dish, start drive unit, driving shaft drives permanent-magnet concentration disc spins, the Lower Half of permanent-magnet concentration dish is in the ore pulp in magnetic separation adsorption zone all the time, now the Armco magnetic iron in ore pulp is just adsorbed on permanent-magnet concentration dish, meanwhile, two thickness detecting sensors detect the Armco magnetic iron thickness being adsorbed on permanent-magnet concentration dish, detection data transmission is processed on A/D converter and computing machine, and by one-tenth-value thickness 1/10 and setting value comparison, the ore pulp not adsorbed by magnetic separation dish in adsorption zone enters in ore pulp assembling area,
3) the super judgement of Armco magnetic iron content and warning
According to Armco magnetic iron content relation in direct ratio in the thickness of the strongly magnetic mineral being adsorbed in permanent-magnet concentration card and mine tailing, whether detect Armco magnetic iron content in mine tailing by the thickness of strongly magnetic mineral on measurement permanent-magnet concentration dish exceeds standard, when in the constant situation of mine tailing character, when Armco magnetic iron in mine tailing (MFe) content is less than 1%, the strongly magnetic mineral one-tenth-value thickness 1/10 on permanent-magnet concentration dish is less than a numerical value H
0, in the time that the vignite content in mine tailing exceedes 1%, the strongly magnetic mineral one-tenth-value thickness 1/10 H that its pick-up unit detects
talso change thereupon and exceed H
0if, the one-tenth-value thickness 1/10 H detecting within a period of time
tcontinue higher than H
0time, judge the Armco magnetic iron content overproof in mine tailing, now photoelectric alarm starts to report to the police,
4) ore discharge
One upper end of mineral blowtank with being slidably connected in process of permanent-magnet concentration dish, the Armco magnetic iron being adsorbed on permanent-magnet concentration dish is scraped off and enters into this V-shaped groove, then by the water-flushing device that is positioned at top, the Armco magnetic iron of falling into groove is poured to ore pulp assembling area, the ore pulp in assembling area enters debris tube finally by ore discharge pipe and is transported to next process with mine tailing.
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| CN201210487506.0A CN103018278B (en) | 2012-11-27 | 2012-11-27 | On-line magnetic iron detection and alarm device and method for magnetite tailings |
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| CN201210487506.0A CN103018278B (en) | 2012-11-27 | 2012-11-27 | On-line magnetic iron detection and alarm device and method for magnetite tailings |
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| CN103018278B true CN103018278B (en) | 2014-11-05 |
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| CN110954592B (en) * | 2019-12-20 | 2020-08-25 | 宽城满族自治县马道沟矿业有限公司 | Quick detection device of iron ore iron content |
| CN116026992B (en) * | 2023-01-17 | 2024-02-20 | 沈阳隆基智能技术研究有限公司 | Device and method for measuring element content in ore pulp |
Citations (2)
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| EP0520971A1 (en) * | 1991-06-26 | 1992-12-30 | Sala International AB | Method and apparatus for magnetic separation |
| CN202146820U (en) * | 2011-05-20 | 2012-02-22 | 英德市奥胜新材料有限责任公司 | Electromagnetic ore separator for non-metallic ore |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4262069B2 (en) * | 2003-12-01 | 2009-05-13 | 保藏 酒井 | Magnetic separation device and waste water treatment device using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0520971A1 (en) * | 1991-06-26 | 1992-12-30 | Sala International AB | Method and apparatus for magnetic separation |
| CN202146820U (en) * | 2011-05-20 | 2012-02-22 | 英德市奥胜新材料有限责任公司 | Electromagnetic ore separator for non-metallic ore |
Non-Patent Citations (3)
| Title |
|---|
| "盘式自卸磁选回收机在铁尾矿回收中的应用";崔中云等;《矿冶工程》;20120831;第32卷;第1-4页 * |
| JP特开2005-161161A 2005.06.23 * |
| 崔中云等."盘式自卸磁选回收机在铁尾矿回收中的应用".《矿冶工程》.2012,第32卷第1-4页. * |
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Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee after: Anshan Iron and Steel Group Mining Co., Ltd. Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee before: Angang Group Mine Company |