CN103301910A - 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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- CN103301910A CN103301910A CN201310218722XA CN201310218722A CN103301910A CN 103301910 A CN103301910 A CN 103301910A CN 201310218722X A CN201310218722X A CN 201310218722XA CN 201310218722 A CN201310218722 A CN 201310218722A CN 103301910 A CN103301910 A CN 103301910A
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- ore pulp
- ball mill
- drum sieve
- sieve
- screen cloth
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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 and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp.
Background technology
Grinding system in the ore-sorting system is comprised of ball mill and classifying equipoment, and raw ore enters classifying equipoment again and carries out classification behind the ball mill ore grinding, and fine fraction enters next ore-dressing technique, and coarse fraction returns ball mill again and again grinds.Because in the present grinding system, generic hierarchical equipment, having the not high defective of classification efficiency such as spiral chute, cyclone etc., only is 40～50%, because classification efficiency is not high, cause a large amount of ores to return to ball mill grinding, cause fine fraction appearance " overground " phenomenon of milled, and be unfavorable for the sorting of ore, serious waste of resources, additionally increase again simultaneously the power consumption of ball mill, be unfavorable for the energy-conservation of ore dressing plant; And the classification equipment such as vibratory sieve that exist on the market, although classification efficiency is higher, grading effect is good, has the shortcomings such as energy consumption is large, expensive, the installation accuracy requirement is high.
Therefore, for the problem that exists in the ball mill ore grinding, the present invention is by investigation and practical production experience to ball mill discharging and screening plant, a kind of drum sieve and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp proposed, equipment has stable performance, and grid is fine and close, and pre-screening efficiency is higher, screening effect is good, safe and reliable to operation, simple, assembly precision is than advantages of higher, and screening efficiency reaches as high as 87%.
Summary of the invention
Purpose of the present invention is intended to for the ball mill discharging ore pulp, and a kind of drum sieve and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp is provided.This device assembly technology is safe and reliable, simple, and convertibility is strong, can not only make the pre-screening of ball mill discharging, can reduce follow-up grading technology again simultaneously.This device not only is applicable to the pre-screening of ball mill discharging mouth ore pulp, also is applicable to the pre-screening of miscellaneous equipment slip.
Purpose of the present invention can realize by following technique measures:
The present invention is used for the drum sieve of the pre-screening of ball mill discharging mouth ore pulp, comprises screen cloth 1, skeleton 2, trip bolt 3, connecting bolt 13, drum sieve 14, 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 that contacts with ore pulp.
Among the present invention, the top of drum sieve 14 adds a wash tub pipe 15, prevents that screen cloth 1 from stopping up, and adds a cage 16 in drum sieve 14 outsides, enters particulate groove 19 in order to collect the fine fraction ore particle, and prevents that ore pulp from splashing.
Description of drawings
Fig. 1 is a kind of front view for the pre-drum sieve that sieves of ball mill discharging mouth ore pulp of the present invention;
Fig. 2 is a kind of drum sieve side view for the pre-screening of ball mill discharging mouth ore pulp 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 diagrams.
The specific embodiment
Mounting technology technique of the present invention comprises the steps:
A, at 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, with the ball mill adpting flange 11 on the drum sieve 14, be connected with ball mill 12 by connecting bolt 13;
C, two otic placodes 5 and two sieve plates 7 are welded into screen bed base, again twine 6 are passed respectively the silk hole tension on two sieve plates 7, and be welded on the sieve plate 7, make screen cloth 1;
D, with component surface that ore pulp contacts on the spraying polyurethane abrasive rubber;
E, with 64 screen clothes 1 by otic placode 5, be fixed on the screen cloth binding 10 with trip bolt 3;
F, utilize connecting bolt 17 that discharging opening 18 is connected with discharging opening adpting flange 8 on the screen cloth 1;
G, with drum sieve 14 exterior cages 16, and in the hole that cage 16 is reserved, the wash tub pipe 15 of packing into;
H, installation particulate groove 19 and coarse grain groove 20.
The present invention has the following advantages:
1 the present invention a kind of drum sieve and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp based on practical production experience, for the ball mill discharging ore pulp provides a kind of pre-screening plant, provide a kind of referential practical technique for various screening plants simultaneously;
2 prove through production practices, apparatus of the present invention Stability Analysis of Structures, and technique is simple, and pre-screening effect is good;
3 device fabrications are simple, and cost is low, and assembly technology research has fully been formulated the assembly manipulation technological specification.
Through the actual production checking, use the present invention a kind of drum sieve and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp, according to the assembly manipulation technological specification, the drum sieve assembly qualified rate reaches 100%, and screening effect reaches 87%.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind is used for pre-drum sieve and the assembly technology thereof that sieves of ball mill discharging mouth ore pulp, and it is characterized in that: complete unit comprises screen cloth (1), skeleton (2), trip bolt (3), connecting bolt (13), drum sieve (14), wash tub pipe (15), cage (16), connecting bolt (17), discharging opening (18), particulate groove (19), coarse grain groove (20).
2. a kind of drum sieve and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp according to claim 1, it is characterized in that: all parts described in the device are the stainless steel wear-resistant material, and twine (6) is the abrasion-proof stainless steel silk of diameter 3mm.
3. according to claim 1 a kind of for pre-drum sieve and the assembly technology thereof that sieves of ball mill discharging mouth ore pulp, it is characterized in that: screen cloth (1) is comprised of twine (6) and rack, rack is the weldment of two otic placodes (5) and two sieve plates (7), twine (6) passes two sieve plates (7) tension, and is welded on the sieve plate (7).
4. a kind of drum sieve and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp according to claim 1, it is characterized in that: screen cloth (1) is divided into three layers, and twine (6) spacing is respectively 1.2mm, 0.9mm and 0.6mm.
5. according to claim 1 a kind of for pre-drum sieve and the assembly technology thereof that sieves of ball mill discharging mouth ore pulp, it is characterized in that: drum sieve (14) passes through otic placode (5) by 64 screen clothes (1), be fixed on the screen cloth binding (10) with trip bolt (3), wearing and tearing appear in any one screen cloth (1), can independently change.
6. according to claim 1 a kind of for pre-drum sieve and the assembly technology thereof that sieves of ball mill discharging mouth ore pulp, it is characterized in that: drum sieve (14) is along with ball mill (12) rotates, ore pulp sieves in drum sieve (14) in advance by spiral stream guidance groove (4).
7. according to claim 1 a kind of for pre-drum sieve and the assembly technology thereof that sieves of ball mill discharging mouth ore pulp, it is characterized in that: the product after the screening is divided into two classes, one class is-the 0.6mm fine fraction, enter particulate groove (19), another kind of is+the 0.6mm coarse fraction to enter coarse grain groove (20) by discharging opening (18).
8. a kind of drum sieve and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp according to claim 1, it is characterized in that: drum sieve (14) top adds a wash tub pipe (15), prevents that screen cloth (1) from stopping up.
9. according to claim 1 a kind of for pre-drum sieve and the assembly technology thereof that sieves of ball mill discharging mouth ore pulp, it is characterized in that: drum sieve (14) outside adds a cage (16), enter particulate groove (19) in order to collect the fine fraction ore particle, and prevent that ore pulp from splashing.
10. one kind is utilized right 1 described a kind of screen cloth and assembly technology thereof for the pre-screening of ball mill discharging mouth ore pulp, it is characterized in that, this technique comprises the steps:
A, at 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, with the ball mill adpting flange (11) on the drum sieve (14), be connected with ball mill (12) by connecting bolt (13);
C, two otic placodes (5) and two sieve plates (7) are welded into screen bed base, again twine (6) are passed respectively the silk hole tension on two sieve plates (7), and be welded on the sieve plate (7), make screen cloth (1);
D, with component surface that ore pulp contacts on the spraying polyurethane abrasive rubber;
E, with 64 screen clothes (1) by otic placode (5), be fixed on the screen cloth binding (10) with trip bolt (3);
F, utilize connecting bolt (17) that discharging opening (18) is connected with discharging opening adpting flange (8) on the screen cloth (1);
G, with the exterior cage of drum sieve (14) (16), and in the hole that cage (16) is reserved, the wash tub pipe of packing into (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103301910A true CN103301910A (en) | 2013-09-18 |
| CN103301910B 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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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437769A (en) * | 2014-11-27 | 2015-03-25 | 济南重工股份有限公司 | Discharging device of wet ball mill |
| 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 |
| CN104806628A (en) * | 2015-03-31 | 2015-07-29 | 南京农业大学 | Device with cylinder with stepless and adjustable diameter |
| 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 |
| 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 |
| CN109225852A (en) * | 2018-11-03 | 2019-01-18 | 湖北新华光信息材料有限公司 | A kind of optical glass batch sieving equipment |
| 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 |
Cited By (8)
| 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 |
| CN109225852A (en) * | 2018-11-03 | 2019-01-18 | 湖北新华光信息材料有限公司 | A kind of optical glass batch sieving equipment |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103301910B (en) | 2015-07-15 |
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Granted publication date: 20150715 Termination date: 20160604 |