CN103301910B - Cylinder screen for prescreening ore pulp at discharging port of ball grinder and assembling process of cylinder screen - Google Patents
Cylinder screen for prescreening ore pulp at discharging port of ball grinder and assembling process of cylinder screen Download PDFInfo
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- CN103301910B CN103301910B CN201310218722.XA CN201310218722A CN103301910B CN 103301910 B CN103301910 B CN 103301910B CN 201310218722 A CN201310218722 A CN 201310218722A CN 103301910 B CN103301910 B CN 103301910B
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- ball mill
- ore pulp
- drum sieve
- screen
- sieve
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Abstract
The invention relates to a cylinder screen for prescreening ore pulp at a discharging port of a ball grinder and an assembling process of the cylinder screen. The cylinder screen is characterized by comprising a screening mesh (1), a skeleton (2), a fastening screw (3), a connecting bolt (13), a cylinder screen body (14), a washing water pipe (15), an isolating cover (16), a connecting bolt (17), a discharging port (18), a fine grain groove (19) and a coarse grain groove (20), wherein one washing water pipe (15) is added to the upper part of the cylinder screen body (14) so as to prevent the screening mesh (1) from being blocked, and one isolating cover (16) is added outside the cylinder screen body (14) so as to collect fine ore grains into the fine grain groove (19) and prevent the ore pulp from splashing. The cylinder screen has the characteristics of stable performance and compact grids, is high in prescreening efficiency, good in screening effect, safe and reliable in operation and high in assembling accuracy, and is applicable to prescreening of the ore pulp at the discharging port of the ball grinder and to prescreening of slurry of other equipment.
Description
Technical field
The present invention relates to ore dressing equipment technology field, be specifically related to a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen and assembly technology thereof.
Background technology
Grinding system in ore-sorting system is made up of ball mill and classifying equipoment, and raw ore after ball mill ore grinding, then enters classifying equipoment and carries out classification, and fine fraction enters next ore-dressing technique, and coarse fraction returns ball mill again and again grinds.Due in present grinding system, generic hierarchical equipment, as spiral chute, cyclone etc. exist the not high defect of classification efficiency, be only 40 ~ 50%, because classification efficiency is not high, a large amount of ore is caused to return to ball mill grinding, cause the fine fraction of milled to occur " overground " phenomenon, and be unfavorable for the sorting of ore, serious waste of resources, adds additional again the power consumption of ball mill simultaneously, be unfavorable for the energy-conservation of ore dressing plant; And the classifying equipoments such as the vibratory sieve that market exists, although classification efficiency is higher, grading effect is good, there is the shortcomings such as energy consumption is large, expensive, installation accuracy requirement is high.
Therefore, for Problems existing in ball mill ore grinding, the present invention is by the investigation of ball mill discharging and screening plant and practical production experience, propose a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen and assembly technology thereof, equipment has stable performance, and grid is fine and close, and pre-screen efficiency is higher, screening effect is good, safe and reliable to operation, simple, assembly precision comparatively advantages of higher, and screening efficiency reaches as high as 87%.
Summary of the invention
Object of the present invention is intended to for ball mill discharging ore pulp, provides a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen and assembly technology thereof.This device assembly technology is safe and reliable, simple, and convertibility is strong, can not only make the pre-screen of ball mill discharging, can reduce follow-up grading technology again simultaneously.This device is not only applicable to the pre-screen of ball mill discharging mouth ore pulp, is also applicable to the pre-screen of miscellaneous equipment slip.
Object of the present invention realizes by following technique measures:
The present invention is used for the drum sieve of ball mill discharging mouth ore pulp pre-screen, comprises screen cloth 1, skeleton 2, trip bolt 3, connecting bolt 13, wash tub pipe 15, cage 16, connecting bolt 17, discharging opening 18, particulate groove 19, coarse grain groove 20.
Parts material described in the present invention is abrasion-proof stainless steel, and twine 6 is the abrasion-proof stainless steel silk of diameter 3mm, and in the present invention, the component surface spraying polyurethane abrasive rubber contacted with ore pulp.
Screen cloth 1 described in the present invention is made up of twine 6 and rack, and rack is the weldment of two pieces of otic placodes 5 and two pieces of sieve plates 7, and twine 6 is strained through two pieces of sieve plates 7, and is welded on sieve plate 7, and screen cloth 1 is divided into three layers.
Drum sieve 14 described in the present invention passes through otic placode 5 by 64 screen clothes 1, be fixed on screen cloth binding 10 with trip bolt 3, there are wearing and tearing in any one screen cloth 1, can independently change, and when drum sieve 14 rotates along with ball mill 12, ore pulp is by spiral stream guidance groove 4, and in drum sieve 14, carry out pre-screen, the product after screening is divided into two classes, one class is-0.6mm fine fraction, enter particulate groove 19, another kind of is+0.6mm coarse fraction, enters coarse grain groove 20 by discharging opening 18.
In the present invention, the top of drum sieve 14 adds a wash tub pipe 15, prevents screen cloth 1 from blocking, and adds a cage 16 in drum sieve 14 outside, enters particulate groove 19, and prevent ore pulp from splashing in order to collect fine fraction ore particle.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen of the present invention;
Fig. 2 is a kind of drum sieve side view for ball mill discharging mouth ore pulp pre-screen of the present invention;
Fig. 3 is the front view of screen cloth 1;
Fig. 4 is the side view of screen cloth 1;
Fig. 5 is the front view of sieve plate 7;
Fig. 6 is the welded framework graphics of drum sieve 14;
Fig. 7 is drum sieve 14 and ball mill 12 installation diagram.
Detailed description of the invention
Mounting technology technique of the present invention comprises the steps:
A, first ball mill adpting flange 11, discharging opening adpting flange 8, spiral stream guidance groove 4, gusset 9, screen cloth binding 10 are welded into drum sieve skeleton 2;
B, by the ball mill adpting flange 11 on drum sieve 14, to be connected with ball mill 12 by connecting bolt 13;
C, two pieces of otic placodes 5 and two pieces of sieve plates 7 are welded into screen bed base, then twine 6 are each passed through the silk hole tension on two pieces of sieve plates 7, and be welded on sieve plate 7, make screen cloth 1;
D, on the component surface contacted with ore pulp spraying polyurethane abrasive rubber;
E, by 64 pieces of screen clothes 1 by otic placode 5, be fixed on screen cloth binding 10 with trip bolt 3;
F, connecting bolt 17 is utilized to be connected with the discharging opening adpting flange 8 on drum sieve 14 by discharging opening 18;
G, by exterior for drum sieve 14 cage 16, and in the hole that cage 16 is reserved, load wash tub pipe 15;
H, installation particulate groove 19 and coarse grain groove 20.
The present invention has the following advantages:
A kind of drum sieve for ball mill discharging mouth ore pulp pre-screen of 1 the present invention and assembly technology thereof, based on practical production experience, for ball mill discharging ore pulp provides a kind of pre-screen device, provide a kind of referential practical technique for various screening plant simultaneously;
2 prove through production practices, apparatus of the present invention Stability Analysis of Structures, and technique is simple, and pre-screen is respond well;
3 device fabrications are simple, and cost is low, and assembly technology research fully, has formulated assembly manipulation technological specification.
Through actual production checking, use a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen of the present invention and assembly technology thereof, according to assembly manipulation technological specification, drum sieve assembly qualified rate reaches 100%, and screening effect reaches 87%.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. for a drum sieve for ball mill discharging mouth ore pulp pre-screen, it is characterized in that: complete unit comprises screen cloth (1), skeleton (2), trip bolt (3), the first connecting bolt (13), wash tub pipe (15), cage (16), the second connecting bolt (17), discharging opening (18), particulate groove (19), coarse grain groove (20);
Skeleton (2) comprises ball mill adpting flange (11), discharging opening adpting flange (8), spiral stream guidance groove (4), gusset (9), screen cloth binding (10);
In device, all parts are stainless steel wear-resistant material, the abrasion-proof stainless steel silk that twine (6) is diameter 3mm.
2. a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen according to claim 1, it is characterized in that: screen cloth (1) is made up of twine (6) and rack, rack is the weldment of two pieces of otic placodes (5) and two pieces of sieve plates (7), twine (6) is strained through two pieces of sieve plates (7), and is welded on sieve plate (7).
3. a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen according to claim 1, is characterized in that: screen cloth (1) is divided into three layers.
4. a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen according to claim 1, it is characterized in that: drum sieve (14) by 64 screen clothes (1) by otic placode (5), be fixed on screen cloth binding (10) with trip bolt (3), there are wearing and tearing in any one screen cloth (1), can independently change.
5. a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen according to claim 1, it is characterized in that: drum sieve (14) is along with ball mill (12) rotation, ore pulp, by spiral stream guidance groove (4), carries out pre-screen in drum sieve (14).
6. a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen according to claim 1, it is characterized in that: the product after screening is divided into two classes, one class is-0.6mm fine fraction, enter particulate groove (19), another kind of is+0.6mm coarse fraction, enters coarse grain groove (20) by discharging opening (18).
7. a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen according to claim 1, is characterized in that: drum sieve (14) top adds a wash tub pipe (15), prevents screen cloth (1) from blocking.
8. a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen according to claim 1, it is characterized in that: drum sieve (14) outside adds a cage (16), enter particulate groove (19) in order to collect fine fraction ore particle, and prevent ore pulp from splashing.
9., for an assembly technology for a kind of drum sieve for ball mill discharging mouth ore pulp pre-screen according to claim 1, it is characterized in that: this technique comprises the steps:
A, first ball mill adpting flange (11), discharging opening adpting flange (8), spiral stream guidance groove (4), gusset (9), screen cloth binding (10) are welded into drum sieve skeleton (2);
B, by the ball mill adpting flange (11) on drum sieve (14), to be connected with ball mill (12) by the first connecting bolt (13);
C, two pieces of otic placodes (5) and two pieces of sieve plates (7) are welded into screen cloth rack, again twine (6) is each passed through the silk hole tension on two pieces of sieve plates (7), and be welded on sieve plate (7), make screen cloth (1);
D, on the component surface contacted with ore pulp spraying polyurethane abrasive rubber;
E, by 64 pieces of screen clothes (1) by otic placode (5), be fixed on screen cloth binding (10) with trip bolt (3);
F, the second connecting bolt (17) is utilized to be connected with the discharging opening adpting flange (8) on drum sieve (14) by discharging opening (18);
G, by drum sieve (14) exterior cage (16), and in the hole that cage (16) is reserved, load wash tub pipe (15);
H, installation particulate groove (19) and coarse grain groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310218722.XA CN103301910B (en) | 2013-06-04 | 2013-06-04 | Cylinder screen for prescreening ore pulp at discharging port of ball grinder and assembling process of cylinder screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310218722.XA CN103301910B (en) | 2013-06-04 | 2013-06-04 | Cylinder screen for prescreening ore pulp at discharging port of ball grinder and assembling process of cylinder screen |
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| Publication Number | Publication Date |
|---|---|
| CN103301910A CN103301910A (en) | 2013-09-18 |
| CN103301910B true CN103301910B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310218722.XA Expired - Fee Related CN103301910B (en) | 2013-06-04 | 2013-06-04 | Cylinder screen for prescreening ore pulp at discharging port of ball grinder and assembling process of cylinder screen |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475214A (en) * | 2014-11-13 | 2015-04-01 | 攀枝花钢城集团米易瑞地矿业有限公司 | Weathered ore-containing vanadium titano-magnetite pre-dressing technology |
| CN104437769A (en) * | 2014-11-27 | 2015-03-25 | 济南重工股份有限公司 | Discharging device of wet ball mill |
| CN104806628A (en) * | 2015-03-31 | 2015-07-29 | 南京农业大学 | Device with cylinder with stepless and adjustable diameter |
| CN107051660A (en) * | 2017-01-18 | 2017-08-18 | 江西稀有稀土金属钨业集团有限公司 | The automatic collecting device and method of steel scrap ball and debris in a kind of ball mill discharge |
| CN106862052A (en) * | 2017-03-10 | 2017-06-20 | 四环锌锗科技股份有限公司 | Discharge device for ball mill |
| CN109225852B (en) * | 2018-11-03 | 2022-04-15 | 湖北新华光信息材料有限公司 | Optical glass batch sieving device |
| CN109939804A (en) * | 2019-04-19 | 2019-06-28 | 栾川龙宇钼业有限公司 | A kind of Mu Xuan factory primary grinding system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2249271A (en) * | 1991-06-29 | 1992-05-06 | Lintec Gmbh & Co Kg | Sieve drum |
| CN102357383A (en) * | 2011-08-26 | 2012-02-22 | 北方重工集团有限公司 | Detachable type material discharging screen of ball mill |
| CN202845296U (en) * | 2012-08-02 | 2013-04-03 | 洛阳超拓实业有限公司 | Cylinder screen of mill |
| CN103056027A (en) * | 2013-01-11 | 2013-04-24 | 武汉理工大学 | Substance separating sieve |
| CN202943019U (en) * | 2012-11-27 | 2013-05-22 | 瓮福（集团）有限责任公司 | Drum sieve |
-
2013
- 2013-06-04 CN CN201310218722.XA patent/CN103301910B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2249271A (en) * | 1991-06-29 | 1992-05-06 | Lintec Gmbh & Co Kg | Sieve drum |
| CN102357383A (en) * | 2011-08-26 | 2012-02-22 | 北方重工集团有限公司 | Detachable type material discharging screen of ball mill |
| CN202845296U (en) * | 2012-08-02 | 2013-04-03 | 洛阳超拓实业有限公司 | Cylinder screen of mill |
| CN202943019U (en) * | 2012-11-27 | 2013-05-22 | 瓮福（集团）有限责任公司 | Drum sieve |
| CN103056027A (en) * | 2013-01-11 | 2013-04-24 | 武汉理工大学 | Substance separating sieve |
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| CN103301910A (en) | 2013-09-18 |
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Granted publication date: 20150715 Termination date: 20160604 |