CN103041986B - Vibrating screen ore-feeding device - Google Patents
Vibrating screen ore-feeding device Download PDFInfo
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- CN103041986B CN103041986B CN201310015666.XA CN201310015666A CN103041986B CN 103041986 B CN103041986 B CN 103041986B CN 201310015666 A CN201310015666 A CN 201310015666A CN 103041986 B CN103041986 B CN 103041986B
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Abstract
The invention relates to a vibrating screen ore-feeding device which is characterized in that the vibrating screen ore-feeding device comprises a totally enclosed cylindrical box; a sealing cover is arranged above a cylindrical box; triangle lifting holes are formed on bilateral sides of the sealing cover and a spray-proof sealing door and an ore-feeding pipe are arranged in the center of the sealing cover; the middle of the cylindrical box is provided with a buffering ore pulp feeding center cylinder and an ore discharging hole is formed on the lateral wall of a center cylinder; the inner wall of the cylindrical box, the bottom of the cylindrical box, the inner wall of a center cylinder and the outer wall of a center cylinder are respectively provided with a wear-resistant plate; the outer side of a center cylinder is provided with 2N ore separating plates which separate the cylindrical box into N ore separating areas and N ore discharging areas, the lower portion of every ore discharging area is provided with an ore discharging pipe, and an outlet of the external end of every ore discharging pipe is arranged into a fan shape; a wear-resistant composite ore-feeding ball valve is arranged above every ore discharging pipe and an adjusting screw rod, an adjusting nut and a hand wheel are connected above every ore-feeding ball valve; and eight trapezoidal reinforcing-rib plates are uniformly arranged outside the cylindrical box along a periphery. The vibrating screen ore-feeding device has the advantages of achieving the uniform ore-feeding operation, improving the screening efficiency, being capable of automatically adjusting the flow of ore pulp and good in wear resistance and extending the service life.
Description
Technical field
The present invention relates to a kind of vibratory sieve mine-feeding equipment, belong to mine ore dressing mechanical field.
Background technology
The high mouth iron ore of Taiyuan Iron and Steel Co. with 13 imported from America Derrick 2SG48-60W-5STK No. five high frequency shale shakers (hereinafter referred to as import vibratory sieve, 2 represent two vibrator, SG represents the vibration of super cracity brute force, exciting force 7.3g, W represents wet wet screening, 5 represent five tunnels, STK represents that stack is overlapping), it is 0 ~ 0.5 millimeter by granularity, concentration be 35% ~ 45% iron ore slurry carry out classification, treating capacity 100 ~ 120t/h, using is stainless steel mesh, screen size 0.075 × 0.075mm, iron ore slurry classification " throat " equipment, undersize degree certified products enter subsequent processing magnetic separation, on sieve, Iron Ore Powder granularity defective work enters ball mill again and regrinds, automatic cycle like this is reciprocal, it is the crucial classifying equipoment that can whole system carry out sorting and completing year 2200000 tons of Iron Ore Powder.
The defect that former import vibratory sieve mine-feeding equipment exists: (1) in use, it is large to ore deposit fluctuation that ore pulp frequently occurs former import vibratory sieve, the problems such as uneven to ore deposit, classification efficiency is low, and machine vibration is large; (2) original feed casing just utilize rectangle to ore deposit body side open a mine five holes simply to, do not regulate screw mandrel, it can not realize all sparing to ore deposit, can not regulate again to ore deposit uninterrupted, cause import vibratory sieve five tunnel different by ore deposit, the difficult problems such as classification efficiency is low, and load is uneven, and machine vibration is large; (3) former rectangle to the shortcoming that ore deposit casing is fatal is: can not control to ore deposit uninterrupted, ore deposit, evenly ore removal are entered in the center that can not realize, often occur that ore pulp is uneven to ore deposit in process of production, ore removal fluctuation is large, service life is short, take up room large, leak the difficult problems such as ore deposit, and causing import vibrosieve stage efficiency low, load is uneven, the problem that machine vibration is large.
Summary of the invention
In order to overcome above-mentioned deficiency, the present invention aims to provide a kind of vibratory sieve mine-feeding equipment, can realize all sparing to ore deposit, any adjust flux size, the target such as the life-span is long, classification efficiency is high, load is even, meet import vibratory sieve to ore deposit requirement.
The technical solution used in the present invention is as follows:
A kind of vibratory sieve mine-feeding equipment, it is characterized in that: comprise totally-enclosed cylindrical box, be seal cover above casing, seal cover both sides are provided with triangle handle hole, and seal cover centre is provided with splashproof hermatic door and mineral-feeding pipe; Being provided with in the middle of casing cushions into ore pulp central tube, and central tube sidewall is provided with ore removal hole; Be provided with outside central tube 2N block every ore deposit plate casing be divided into N number of every mining area and N number of go out mining area, eachly go out to be equipped with ore outlet pipe below mining area, the outlet of ore outlet pipe outer end is set to fan-shaped; Above ore outlet pipe, be provided with wear-resisting compound to ore deposit ball valve, regulate screw mandrel to connecting above the ball valve of ore deposit, regulating screw and adjusting handle, weld with adjustment screw mandrel to ore deposit ball valve, regulate screw to be positioned at below seal cover; The inwall of cylindrical box, bottom, central tube inwall, outer wall are equipped with wearing plate; Cylindrical shape ore pulp bottom half surrounding is evenly distributed with four basic lower margins, and lower margin hex bolts is fixed; Eight pieces of trapezoidal reinforcement gussets are circumferentially evenly set outside cylindrical box, strengthen gusset and be welded on base; Wherein N be not less than 4 positive integer.
In such scheme, described cylindrical box volume is 0.5 ~ 2 cubic metre, increases ore pulp buffer bin.
In such scheme, the appearance and size of described triangle handle hole is length × wide × bore dia=(100 ~ 200) × (80 ~ 100) × (Φ 40 ~ Φ 80) mm, and handle hole surrounding is processed into 5 × 45 ° of chamferings.
In such scheme, described ore removal hole is distributed on central tube sidewall, is divided into upper and lower two row, descending from bottom half 300 ~ 400mm, and line space is 300 ~ 400mm, and ore removal bore dia is Φ 200 ~ 250mm.
In such scheme, described ore outlet pipe appearance and size is diameter × length=(Φ 159 ~ Φ 259) × (200 ~ 400) mm, and mm to be circumferentially evenly arranged in (Φ 700 ~ Φ 900).
In such scheme, described wear-resisting compound is to ore deposit ball valve, and be abrasive rubber outside its material, the inside is cast steel ZG45II, its ball appearance and size Φ 200 ~ Φ 350mm, and the inside is steel ball, its ball appearance and size Φ 120mm.
In such scheme, described adjustment screw mandrel and adjustment screw, its appearance and size is T36 × 6 ~ T56 × 6mm; Described adjusting handle appearance and size Φ 250 ~ Φ 350mm, with 6 points of steel pipe manufacturings.
In such scheme, described every mining area with go out mining area and be arc, when N is 5, it is 48 ° that arc goes out corresponding circle heart angle, mining area, it is inner/outer diameter=(Φ 450 ~ Φ 600)/(Φ 800 ~ Φ 1500) mm that arc goes out mining area appearance and size, every mining area, corresponding central angle is 24 °, for going out the half at corresponding circle heart angle, mining area.
In such scheme, described wearing plate is glass cermaic plate, and appearance and size is length × wide × thick=(100 ~ 150) × (20 ~ 50) × (20 ~ 30) mm, adhesive material cement mortar and 107 glue, ratio is 3:1, carries out spontaneous curing 120 ~ 160 hours after stickup, and solidification temperature is 15 DEG C ~ 25 DEG C.
In such scheme, described lower margin spacing is 90 °, and appearance and size is aperture × length=(Φ 25 ~ Φ 40) × (50 ~ 70) mm, fixes with M24 × 100 hex bolts.
The present invention utilizes point designs such as even circumferential N, embedded process design, ore deposit will be entered dexterously and N road ore removal embeds in same cylinder, centre is taked to enter ore deposit, the mode of the even ore removal of circumference N equal portions, and design con-trol flow wear resistance ball valve, Flow-rate adjustment screw mandrel etc., ore removal uninterrupted is regulated by regulating wear resistance ball valve openings of sizes, at ore outlet pipe outer end design duckbilled plate, ensure that even ore removal, make import vibratory sieve uniform force, machine vibration reduces greatly, meet designing requirement, realize all sparing to the target such as ore deposit and import vibrosieve stage efficiency height.
Utilize the design concept of spaced apart, wear-resisting cast stone block pasted by innovative design mine-feeding equipment inwall, base plate and central tube inside and outside wall cylinder, and avoid ore pulp grinding mine-feeding equipment, mine-feeding equipment has wearability, extends service life.
Beneficial effect of the present invention:
(1) realize import vibratory sieve N road and all spare to ore deposit and uninterrupted control, reach uniform load, reduce the vibration of machine, reduce power mono-consumption and mechanical disorder, improve efficiency and the operating rate of import vibrosieve, screening efficiency improves 20% ~ 30%, meets the requirement of lower road magnetic separation process ore grain size and output;
(2) design wearing plate and improve mine-feeding equipment service life, improve concentrate output, 35.6% is improved to ore deposit efficiency, as long as apply this device within every 2 ~ 3 years, to check the wear-resisting glass cermaic plate of repairing, within every 5 ~ 6 years, change once wear-resisting glass cermaic plate, iron ore slurry can not impact, grinding improve after mine-feeding equipment, extend mine-feeding equipment service life 20 times, estimate saving mine-feeding equipment spare part to take 1,950,000 yuan;
(3) this apparatus structure is simple, even to ore deposit, multiple functional, elegant in appearance, effectively make use of space, be worthy to be popularized, the present invention is applicable to all vibratory sieve ore pulps to ore deposit, particularly Derrick 2SG48-60W-5STK five tunnel import vibratory sieve is to ore deposit best results, also has good effect for ore pulps such as other import vibratory sieve, cyclone, magnetic separator, Pulp pump to ore deposit.
Accompanying drawing explanation
Fig. 1 is the sectional view of the embodiment of the present invention 1.
Fig. 2 is the top view of Fig. 1.
Fig. 1 cuts open by A-A line in Fig. 2.
In figure 1, handle hole, 2, seal cover, 3, casing, 4, central tube, 5, ore removal hole, 6, wearing plate, 7, mineral-feeding pipe, 8, ore outlet pipe, 9, to ore deposit ball valve, 10, screw mandrel is regulated, 11, regulate screw, 12, adjusting handle, 13, every ore deposit plate, 14, strengthen gusset, 15, go out mining area, 16, every mining area, 17, base.
Detailed description of the invention
Further illustrate the present invention below by embodiment, but be not limited to following examples.
Embodiment 1:
As shown in Figure 1, 2, being provided with the vibratory sieve mine-feeding equipment that five go out mining area, comprising totally-enclosed cylindrical box 3, is seal cover 2 above casing 3, and seal cover 2 both sides are provided with triangle handle hole 1, and seal cover 2 centre is provided with splashproof hermatic door and mineral-feeding pipe 7; Being provided with in the middle of casing 3 cushions into ore pulp central tube 4, and central tube 4 sidewall is provided with ore removal hole 5; Outside central tube 4, be provided with ten pieces is divided into five to go out mining area 15 every mining area 16 and five casing every ore deposit plate 13, eachly goes out to be equipped with ore outlet pipe 8 below mining area 15, and the outlet of ore outlet pipe 8 outer end is set to fan-shaped; Above ore outlet pipe 8, be provided with wear-resisting compound to ore deposit ball valve 9, regulate screw mandrel 10 to connecting above ore deposit ball valve 9, regulating screw 11 and adjusting handle 12, weld with adjustment screw mandrel 10 to ore deposit ball valve 9, regulate screw 11 to be positioned at below seal cover 2; The inwall of cylindrical box 3, bottom, central tube inwall, outer wall are equipped with wearing plate 6; Bottom cylindrical shape ore pulp casing 3, surrounding is evenly distributed with four basic lower margins, and lower margin hex bolts is fixed; Eight pieces of trapezoidal reinforcement gussets 14 are circumferentially evenly set outside cylindrical box 3, strengthen gusset 14 and be welded on base 17.
Concrete preparation method is:
1. design cylindrical shape ore pulp casing: design outline is of a size of (Φ 800 ~ Φ 1500) × (800 ~ 1000) mm, volume 0.8 cubic metre, increases ore pulp buffer bin 1.5 tons;
2. cushion into ore pulp central tube at ore pulp casing medium design: profile is diameter × length=(Φ 450 ~ Φ 600) × (700 ~ 900) mm; Central tube surrounding design ore removal hole Φ 200 ~ Φ 259mm; Ore removal hole is distributed on central tube Φ 540 sidewall, is divided into two rows, and lower row is from bottom 300 ~ 400mm, and spacing is 300 ~ 400mm, and hole is Φ 200 ~ Φ 250mm;
3. on ore pulp casing, design splashproof hermatic door, mineral-feeding pipe: according to casing size and disposal ability, design splashproof hermatic door appearance and size is diameter × thickness=(Φ 1000 ~ Φ 1800) × (4 ~ 10) mm; Design mineral-feeding pipe appearance and size is diameter × length=(Φ 200 ~ Φ 400) × (200 ~ 400) mm;
4. mine-feeding equipment cylinder body bottom surrounding utilize every ore deposit plate totally ten pieces be divided into five and go out mining area and five every mining area, it is characterized in that to ensure even ore removal, go out corresponding circle heart angle, mining area to be 48 ° namely to go out mining area appearance and size be inner/outer diameter × fan angle=(Φ 450 ~ Φ 600)/(Φ 800 ~ Φ 1500) mm × 48 °, fan-shaped every mining area appearance and size be inner/outer diameter × fan angle=(Φ 450 ~ Φ 600)/(Φ 800 ~ Φ 1500) mm × 24 °, its objective is the intensity ensureing the even ore removal of mine-feeding equipment surrounding and strengthen between central tube and mine-feeding equipment cylindrical shell,
5. each go out mining area bottom design ore outlet pipe, appearance and size is (Φ 159 ~ Φ 259) × (200 ~ 400) mm, and mm is circumferentially to be evenly arranged in (Φ 700 ~ Φ 900); In addition in ore outlet pipe outer end design duckbilled plate structure, its material is wear-resistant rubber sheet, and shape is fan-shaped, ensures even ore removal;
6. in order to ensure every the even ore removal in mining area, the wear resistance ball valve of design con-trol uninterrupted on five road mineral-feeding pipes: it is characterized in that designing five wear-resisting compounds to ore deposit ball valve according to ore deposit uninterrupted, it is abrasive rubber outside its material, the inside is cast steel ZG45II, its ball appearance and size Φ 200 ~ Φ 350mm, the inside is steel ball, its ball appearance and size Φ 120mm; In compound to above the ball valve of ore deposit, regulate screw mandrel according to giving ore deposit uninterrupted design discharge and regulate screw, its appearance and size T36 × 6 ~ T56 × 6mm; According to giving ore deposit uninterrupted design adjusting handle, its appearance and size Φ 250 ~ Φ 350mm on Flow-rate adjustment screw mandrel, with 6 points of steel pipe manufacturings, shape is as vehicle steering; Wear-resisting compound to ore deposit ball valve with screw mandrel bind mode for welding, welding rod is chosen as J507; The object designing this device controls uninterrupted, realizes import vibratory sieve five tunnel and all spare to ore deposit, reaches screening efficiency and maximize;
7. wear-resisting glass cermaic plate is pasted: enter the inside and outside wall of ore chimney by Kuang Jian company of unit in charge of construction at import vibratory sieve mine-feeding equipment inwall, bottom and center and paste wear-resisting glass cermaic plate, glass cermaic plate appearance and size is length × wide × thick=(100 ~ 150) × (20 ~ 50) × (20 ~ 30) mm, adhesive material cement mortar and 107 glue, ratio is 3:1, carries out spontaneous curing 120 ~ 160 hours after stickup;
8. outside mine-feeding equipment cylindrical shell 3,8 pieces of trapezoidal reinforcement gussets are designed, it is characterized in that basis is to ore deposit weight and production capacity, design wide on trapezoidal reinforcement steel plate/lower wide × height × thick=(200 ~ 300)/(400 ~ 600) × (80 ~ 200) × (8 ~ 16) mm, be along the circumferential direction evenly arranged 8 pieces;
9. on ore pulp casing, utilize the steel plate design triangle handle hole 1 of (10 ~ 20) mm thickness, appearance and size is length × wide × bore dia=(100 ~ 200) × (80 ~ 100) × (Φ 40 ~ Φ 80) mm, and in order to prevent cutting off steel wire rope, handle hole surrounding is processed into 5 × 45 ° of chamferings;
10. cylindrical shape ore pulp bottom half surrounding designs four basic lower margins, it is characterized in that to ensure that mine-feeding equipment connection is reliable, it is little to vibrate, ore removal is even, design four basic lower margins, spacing is 90 °, appearance and size is aperture × length=(Φ 25 ~ Φ 40) × (50 ~ 70) mm, fixes with M24 × 100 hex bolts.
After improvement: realize import vibratory sieve and all spare to ore deposit, machine vibration reduces, and reach screening efficiency and maximize, screening efficiency improves 20% ~ 30%, at utmost realizes all sparing to ore deposit, the most excellent object of screening efficiency.
Embodiment 2:
Be provided with the vibratory sieve mine-feeding equipment that six go out mining area:
Mine-feeding equipment cylinder body bottom surrounding utilize every ore deposit plate totally ten two pieces be divided into six and go out mining area and six every mining area, it is characterized in that to ensure even ore removal, going out corresponding circle heart angle, mining area is 40 °, fan-shaped is inner/outer diameter × fan angle=(Φ 450 ~ Φ 600)/(Φ 800 ~ Φ 1500) mm × 20 ° every mining area appearance and size, its objective is the intensity ensureing the even ore removal of mine-feeding equipment surrounding and strengthen between central tube and mine-feeding equipment cylindrical shell; Each go out mining area bottom design ore outlet pipe.Remaining part and embodiment 1 are together.
Embodiment 3:
Be provided with the vibratory sieve mine-feeding equipment that eight go out mining area:
Mine-feeding equipment cylinder body bottom surrounding utilize every ore deposit plate totally ten six pieces be divided into eight and go out mining area and eight every mining area, it is characterized in that to ensure even ore removal, going out corresponding circle heart angle, mining area is 30 °, fan-shaped is inner/outer diameter × fan angle=(Φ 450 ~ Φ 600)/(Φ 800 ~ Φ 1500) mm × 15 ° every mining area appearance and size, its objective is the intensity ensureing the even ore removal of mine-feeding equipment surrounding and strengthen between central tube and mine-feeding equipment cylindrical shell; Each go out mining area bottom design ore outlet pipe.Remaining part and embodiment 1 are together.
Claims (10)
1. a vibratory sieve mine-feeding equipment, is characterized in that: comprise totally-enclosed cylindrical box, and be seal cover above casing, seal cover both sides are provided with triangle handle hole, and seal cover centre is provided with splashproof hermatic door and mineral-feeding pipe; Being provided with in the middle of casing cushions into ore pulp central tube, and central tube sidewall is provided with ore removal hole; Be provided with outside central tube 2N block every ore deposit plate casing be divided into N number of every mining area and N number of go out mining area, eachly go out to be equipped with ore outlet pipe below mining area, the outlet of ore outlet pipe outer end is set to fan-shaped; Above ore outlet pipe, be provided with wear-resisting compound to ore deposit ball valve, regulate screw mandrel to connecting above the ball valve of ore deposit, regulating screw and adjusting handle, weld with adjustment screw mandrel to ore deposit ball valve, regulate screw to be positioned at below seal cover; The inwall of cylindrical box, bottom, central tube inwall, outer wall are equipped with wearing plate; Cylindrical shape ore pulp bottom half surrounding is evenly distributed with four basic lower margins, and lower margin hex bolts is fixed; Eight pieces of trapezoidal reinforcement gussets are circumferentially evenly set outside cylindrical box, strengthen gusset and be welded on base; Wherein N be not less than 4 positive integer.
2. vibratory sieve mine-feeding equipment according to claim 1, is characterized in that: described cylindrical box volume is 0.5 ~ 2 cubic metre, increases ore pulp buffer bin.
3. vibratory sieve mine-feeding equipment according to claim 1, it is characterized in that: the appearance and size of described triangle handle hole is length × wide × bore dia=(100 ~ 200) × (80 ~ 100) × (Φ 40 ~ Φ 80) mm, and handle hole surrounding is processed into 5 × 45 ° of chamferings.
4. vibratory sieve mine-feeding equipment according to claim 1, is characterized in that: described ore removal hole is distributed on central tube sidewall, is divided into upper and lower two row, descending from bottom half 300 ~ 400mm, and line space is 300 ~ 400mm, and ore removal bore dia is Φ 200 ~ 250mm.
5. vibratory sieve mine-feeding equipment according to claim 1, is characterized in that: described ore outlet pipe appearance and size is diameter × length=(Φ 159 ~ Φ 259) × (200 ~ 400) mm, and mm to be circumferentially evenly arranged in (Φ 700 ~ Φ 900).
6. vibratory sieve mine-feeding equipment according to claim 1, is characterized in that: described wear-resisting compound, to ore deposit ball valve, is abrasive rubber outside its material, the inside is cast steel ZG45II, its ball appearance and size Φ 200 ~ Φ 350mm, the inside is steel ball, its ball appearance and size Φ 120mm.
7. vibratory sieve mine-feeding equipment according to claim 1, is characterized in that: described adjustment screw mandrel and adjustment screw, and its appearance and size is T36 × 6 ~ T56 × 6mm; Described adjusting handle appearance and size Φ 250 ~ Φ 350mm, with 6 points of steel pipe manufacturings.
8. vibratory sieve mine-feeding equipment according to claim 1, it is characterized in that: described every mining area with go out mining area and be arc, when N is 5, it is 48 ° that arc goes out corresponding circle heart angle, mining area, it is inner/outer diameter=(Φ 450 ~ Φ 600)/(Φ 800 ~ Φ 1500) mm that arc goes out mining area appearance and size, every mining area, corresponding central angle is 24 °, for going out the half at corresponding circle heart angle, mining area.
9. vibratory sieve mine-feeding equipment according to claim 1, it is characterized in that: described wearing plate is glass cermaic plate, appearance and size is length × wide × thick=(100 ~ 150) × (20 ~ 50) × (20 ~ 30) mm, enter the inside and outside wall of ore chimney at import vibratory sieve mine-feeding equipment inwall, bottom and center and paste wear-resisting glass cermaic plate, adhesive material is made up of cement mortar and 107 glue, the two ratio is 3:1, and carry out spontaneous curing after stickup 120 ~ 160 hours, solidification temperature is 15 DEG C ~ 25 DEG C.
10. vibratory sieve mine-feeding equipment according to claim 1, is characterized in that: described lower margin spacing is 90 °, and appearance and size is aperture × length=(Φ 25 ~ Φ 40) × (50 ~ 70) mm, fixes with M24 × 100 hex bolts.
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| CN105251623A (en) * | 2015-11-23 | 2016-01-20 | 四川安宁铁钛股份有限公司 | Middling ore box of flotation machine |
| CN110961246A (en) * | 2018-09-30 | 2020-04-07 | 南京梅山冶金发展有限公司 | Novel automatic ore feeding adjusting device of ore separation box |
| CN110052063B (en) * | 2019-04-10 | 2021-07-02 | 昆明理工大学 | Take half type to separate even feeder of thickener is subsided to shallow layer to one side of sediment ware |
| CN112934676B (en) * | 2021-02-04 | 2023-04-07 | 广东韶钢松山股份有限公司 | Method for reducing hardening of raw ore vibrating screen |
| CN117066107B (en) * | 2023-10-16 | 2023-12-12 | 甘肃省地质矿产勘查开发局第三地质矿产勘查院 | Be applied to piece removal equipment that charcoal thick liquid method carried gold |
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| DE3515891A1 (en) * | 1985-05-03 | 1986-11-06 | Hein, Lehmann AG, 4000 Düsseldorf | SCREEN DEVICE |
| JP3131089B2 (en) * | 1993-12-02 | 2001-01-31 | 株式会社山本製作所 | Sorting device for extracting brown rice from scrap rice |
| CN201175697Y (en) * | 2008-03-28 | 2009-01-07 | 王兆新 | Feeding arrangement of high-frequency electromagnetic vibration sieve |
| CN201862569U (en) * | 2010-11-01 | 2011-06-15 | 中国铝业股份有限公司 | Material separating and distributing device of circular vibrating screen |
| CN102615043A (en) * | 2012-04-17 | 2012-08-01 | 河南神火煤业有限公司薛湖选煤厂 | Coarse slime separation overflow pulp desliming process method |
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