Screening instrument for judging quality of mining samples in mine
Technical Field
The invention relates to a screening apparatus for judging the quality of mining samples in a mine field.
Background
Mineral separation is the most important link in the whole mineral product production process, and is a key department in a mineral enterprise. The large-scale mining enterprises are resource enterprises for comprehensive mining, selecting and smelting. The process of physically or chemically separating useful minerals from unwanted minerals (often called gangue) or deleterious minerals in a mineral feedstock, or separating multiple useful minerals, is known as beneficiation, also known as "mineral processing". In the product, the useful components are enriched in the concentrate, the useless components are enriched in the tailings, and the content of the useful components is between the concentrate and the tailings, namely the middlings which need further treatment. The metal mineral concentrate is mainly used as a raw material for extracting metal in smelting industry, the nonmetallic mineral concentrate is used as a raw material in other industries, and the refined coal is a refined coal as a refined product. The mineral separation can obviously improve the quality of mineral raw materials, reduce the transportation cost, lighten the difficulty of further treatment, reduce the treatment cost and realize the comprehensive utilization of the mineral raw materials. As world mineral resources are increasingly depleted, lean and complex ores are increasingly utilized, and the amount of ore that needs beneficiation is increasing. Metal and non-metal ores, except for a few rich ores, almost all need beneficiation. The amount of rich ore that can be directly used for smelting in nature is not large, and particularly, as industrial production progresses, the reserves of rich ore gradually decrease, so that more lean ore has to be mined. Smelting with low grade lean ores is not economical, however. In order to reduce smelting cost, effective components in ores are effectively extracted, national resources are comprehensively utilized, and ores mined from mines are subjected to ore dressing before smelting. The technological process includes (1) preparation, crushing, sieving, grinding, classifying, etc. and (2) sorting, i.e. recovering useful mineral and waste gangue mineral to the maximum, to enrich different useful components in the ore in different products. The method comprises a gravity separation method, a flotation method, a magnetic separation method, an electrostatic ore dressing method and a photoelectric ore dressing method.
Disclosure of Invention
The invention aims to provide a screening device for judging the quality of mining samples in a mine, which is a novel working device for crushing, screening and grinding the mine pointed out in the background art.
The screening instrument for judging the quality of the mining samples in the mine mainly comprises a support table, a speed reducing motor, a bellows bracket, bellows, a side bracket seat, a bearing sleeve, an air filter element, an air core rod, a roller, a grating small hole, a sample storage barrel, a material leakage groove, a material filling opening, a material leakage baffle, a sleeve piece, a driving disc, a probe tube, a sealing tube barrel, a feeding pipe, an air charging pipe, a bearing ring and a disc sleeve, wherein one end of the support table is fixedly provided with the speed reducing motor, a small fluted disc is sleeved on a power output shaft of the speed reducing motor, the other end of the support table is provided with a cavity, sealing tube barrels are respectively embedded in two sides of the cavity, the probe tube penetrates through the sealing tube barrels, the extending end of the probe tube sequentially penetrates through the driving disc, the disc sleeve, the bearing ring and the sleeve piece, the disc sleeve is sleeved into the driving disc for fastening, the bearing ring is sleeved into the driving disc for fastening, and the outer edge of the top of the disc sleeve is fastened with the sleeve piece;
the outer edge of the top of the driving disc is provided with a large fluted disc, and the large fluted disc and the small fluted disc are in transmission connection through a chain;
the sample storage barrel is internally provided with a hollow pipe, the outer wall of the sample storage barrel is transversely provided with a material leakage groove, and the material leakage groove is covered with a material leakage baffle;
One end of the roller is fastened with the sleeve member through a bolt, and the other end of the roller is fastened with the bearing sleeve through a bolt; the bearing sleeve is a through cylinder body, a bearing is sleeved outside the bearing sleeve, and an outer ring of the bearing is fixedly arranged on the side support seat;
A bellows bracket is welded and fixed on the side wall of the bracket table, a bellows is fixed under the bellows bracket, the bellows wraps the periphery of the roller by one third to two thirds of annular area, and a distance of 2.2-13 mm is reserved between the roller and the bellows;
The probe tube is internally inserted with a feed pipe and an air charging pipe, the probe tube, the feed pipe and the air charging pipe are clamped by rubber cushion blocks, gaps are plugged by fiber clusters, and the extension ends of the feed pipe and the air charging pipe are led into a sample storage barrel.
Further, the air core rod is communicated with the compressed air output pump through a leather hose.
Further, the material leakage baffle is provided with a hole groove, and is divided into 7-15 specifications according to the diameter of the hole groove.
Further, the aperture size of the small holes of the grid is larger than the maximum specification aperture of the holes of the leakage baffle plate.
Further, the inflation tube is communicated with the compressed air output pump through a leather hose.
Further, the outer diameter of the sample storage barrel is 0.92-0.98 times of the inner diameter of the roller.
The mining sample quality judging screening device has the beneficial effects that the air box support is welded and fixed on the side wall of the support table, the air box is fixed below the air box support, the air box wraps the annular area of one third to two thirds of the periphery of the roller, the distance between the roller and the air box is 2.2-13 mm, and the air core rod is introduced into one side of the air box, so that the screening device for judging the mining sample quality of a mine is manufactured.
Drawings
FIG. 1 is a block diagram of an overall screening apparatus for quality determination of mine mining samples in accordance with the present invention.
Fig. 2 is a diagram showing the overall structure of a screening apparatus core for judging the quality of a mining sample in a mine field.
FIG. 3 is a block diagram of a screening apparatus drum assembly for mine site mining sample quality determination in accordance with the present invention.
Fig. 4 is a block diagram of a screening instrument drive drum assembly for mine site mining sample quality determination in accordance with the present invention.
Fig. 5 is a block diagram of a screening apparatus drum tailstock for mine mining sample quality determination in accordance with the present invention.
FIG. 6 is a block diagram of a portion of a screener drive motor for mine site mining sample quality determination in accordance with the present invention.
Fig. 7 is an exploded view of the core of a screening apparatus for quality determination of mine samples in accordance with the present invention.
In the figure, a 1-support table, a 2-speed reducing motor, a 3-bellows support, a 4-bellows, a 5-side support seat, a 6-bearing sleeve, a 61-air filter element, a 7-air core rod, an 8-roller, 81-grating small holes, a 9-sample storage cylinder, a 91-material leakage groove, a 92-material injection opening, a 10-material leakage baffle, an 11-sleeve piece, a 12-driving disc, a 13-probe tube, a 14-sealing tube, a 15-material inlet tube, a 16-air charging tube, a 17-bearing ring and an 18-disc sleeve are arranged.
Detailed Description
The following describes in detail the embodiments of the present invention with reference to fig. 1-7.
The screening instrument mainly comprises a support table 1, a gear motor 2, a bellows bracket 3, a bellows 4, a side support seat 5, a bearing sleeve 6, an air filter 61, an air core rod 7, a roller 8, a grating small hole 81, a sample storage barrel 9, a material leakage groove 91, a material filling opening 92, a material leakage baffle 10, a sleeve piece 11, a driving disc 12, a probe tube 13, a sealing sleeve barrel 14, a feeding tube 15, an air charging tube 16, a bearing ring 17 and a disc sleeve 18, wherein one end of the support table 1 is fixedly provided with the gear motor 2, a power output shaft of the gear motor 2 is sleeved with a small fluted disc 4, the other end of the support table 1 is provided with a cavity, sealing sleeve barrels 14 are respectively embedded in two sides of the cavity, and the probe tube 13 is communicated in the sealing sleeve barrel 14;
The outer edge of the top of the driving disc 12 is provided with a large fluted disc, and the large fluted disc and the small fluted disc are in transmission connection through a chain;
The sample storage barrel 9 is internally provided with a hollow pipe, the outer wall of the sample storage barrel 9 is transversely provided with a material leakage groove 91, and the material leakage groove 91 is covered with a material leakage baffle 10;
One end of the roller 8 is fastened with the sleeve member 11 through a bolt, and the other end of the roller 8 is fastened with the bearing sleeve 6 through a bolt, the bearing sleeve 6 is a through cylinder body, a bearing is sleeved outside the bearing sleeve 6, and the outer ring of the bearing is placed and fixed on the side support seat 5, and an air filter element 61 is covered in the bearing sleeve 6;
the side wall of the support table 1 is fixedly welded with a bellows bracket 3, a bellows 4 is fixed under the bellows bracket 3, the bellows 4 wraps the periphery of the roller 8 by one third to two thirds of annular area, and a distance of 2.2-13 mm is reserved between the roller 8 and the bellows 4;
the probe tube 13 is internally inserted with a feed tube 15 and an air inflation tube 16, the probe tube 13, the feed tube 15 and the air inflation tube 16 are clamped by rubber cushion blocks, gaps are plugged by fiber clusters, and the extension ends of the feed tube 15 and the air inflation tube 16 are led into the sample storage barrel 9.
The air core rod 7 is communicated with a compressed air output pump through a leather hose.
The material leakage baffle 10 is provided with a hole groove, and is divided into 7-15 specifications according to the diameter of the hole groove.
The aperture size of the grille small holes 81 is larger than the maximum specification aperture of the aperture groove of the leakage baffle 10.
The inflation tube 16 is communicated with the compressed air output pump through a leather tube.
The outer diameter of the sample storage cylinder 9 is 0.92-0.98 times of the inner diameter of the roller 8.
The invention has the constitution principle that the sample storage barrel 9 is a tubular barrel for collecting ore samples, the feeding pipe 15 continuously conveys the ore samples into the sample storage barrel 9, the conveying is driven by high-pressure gas of the gas charging pipe 16, the ore samples enter the sample storage barrel 9, and the driving disc 12 can drive the roller 8 to rotate, and rubber cushion blocks are used between the probe pipe 13 and the feeding pipe 15 and between the probe pipe 16 to clamp each other, so that the sample storage barrel 9 is kept motionless, and the roller 8 rotates along with the rotation of the driving disc 12.
Since the mineral sample injected into the sample storage barrel 9 is fed by high-pressure air, the mineral sample in the sample storage barrel 9 is in a disordered rolling state, the particle diameter of the mineral sample is suitable for the specification requirement of the leakage baffle 10 and can be leaked out to the inner wall of the roller 8, and the leaked mineral sample can be ground into particles with the same specification by the rolling of the roller 8 and finally discharged from the grid small holes 81.
The bellows 4 on the drum 8 are designed to blow off dust during grinding of the mineral sample. The air cartridge 61 provided in the bearing sleeve 6 is used to discharge the high-pressure gas injected into the sample storage tube 9.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.