CN103357490A - Discharging port device for ball mill - Google Patents
Discharging port device for ball mill Download PDFInfo
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- CN103357490A CN103357490A CN2013103399432A CN201310339943A CN103357490A CN 103357490 A CN103357490 A CN 103357490A CN 2013103399432 A CN2013103399432 A CN 2013103399432A CN 201310339943 A CN201310339943 A CN 201310339943A CN 103357490 A CN103357490 A CN 103357490A
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- ball mill
- returning machine
- sand
- sand returning
- discharging port
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Abstract
The invention relates to a discharging port device for a ball mill, and belongs to the technical field of ball mill structures. The device comprises a classifier communicated with a discharging port of the ball mill. The classifier comprises a sand returning machine a part of which extends into the discharging port. A space is kept between the outer wall of the sand returning machine and the inner wall of the discharging port. The sand returning machine is in a shape of a hollow column. The outer wall of the rest part of the sand returning machine is provided with a discharging spiral used for conveying ore pulp. A screen used for filtering out fine ore is covered on the discharging spiral. Material returning spirals used for returning thick ore to the ball mill are disposed in the sand returning machine. The device has advantages of reasonable structure design, capability of achieving automatic classification and sand return, capability of replacing traditional classifying equipment, reduced production cost and enhanced production efficiency.
Description
Technical field
The present invention relates to a kind of ball mill discharging mouth device, belong to the ball mill technical field of structures.
Background technology
At present, existing ball mill discharging mouth only plays the discharge effect, does not have the effect of classification and sand return, must cooperate the classification equipment such as spiral classifier or hydrocyclone could arrive classification and sand return effect.Mainly there is following shortcoming: 1, during closed circuit grinding, owing to adopt the classification equipment such as spiral classifier or hydrocyclone to increase production cost, comprising: equipment purchase, maintenance, floor space, capital construction, the electricity charge, depreciation, the expense such as artificial; 2, during open-circuit grinding, owing to do not use the classification equipment such as spiral classifier or hydrocyclone, make grinding particle size wayward, rough can't returning causes next ore dressing effect bad, and the waste mine resources; 3, closed circuit or open-circuit grinding no matter enters in the next stage equipment if be mingled with ironware, steel ball or other foreign material in the ball mill discharging, makes next stage equipment produce fault, causes the serious consequences such as maintenance, stopping production, thereby drops into a large amount of human and material resources and financial resources.
Summary of the invention
The object of the invention is to solve the weak point that above-mentioned prior art exists, a kind of reasonable in design is provided, can realize automatic classification and sand return, substitute traditional classifying equipoment, reduce production costs the ball mill discharging mouth device of enhancing productivity.
The present invention is achieved through the following technical solutions:
Ball mill discharging mouth device, its special character is to comprise the clasfficiator 2 that connects with ball mill discharging mouth 1, clasfficiator 2 comprises that part stretches into the sand returning machine 3 of discharging opening 1 inside, has the interval between the inwall of the outer wall of sand returning machine 3 and discharging opening 1, sand returning machine 3 is open column shape, load displacing screw 5 for delivery of ore pulp is installed on the outer wall of the remainder of sand returning machine 3, the outer cup of load displacing screw is provided be used to the screen cloth 6 that leaches thin ore deposit, and the inside of sand returning machine 3 is equipped with for the rough returning charge spiral 4 that is recycled in the ball mill;
The outside of described discharging opening 1 is equipped with crusher discharge end cover 7, is equipped with on the crusher discharge end cover 7 for fixedly base bearing 9 and the main box seat 8 of sand returning machine 3.
Ball mill discharging mouth device of the present invention, reasonable in design, ore pulp in the ball mill is expelled in the screen cloth by the interval between the inwall of sand returning machine outer wall and discharging opening, discharge by screen cloth in thin ore deposit, roughly drain into end by load displacing screw and dig spoon place, dig spoon and will be rough under the rotary action of ball mill dig to sand returning machine inside, by the ore grinding again to the ball mill barrel of the returning charge spiral rotary in the sand returning machine; The present invention has following beneficial effect: 1, can independently finish the task of classification and sand return, replace traditional classifying equipoment, save floor space, reduce some unnecessary investments and later stage expense; 2, easy to the control ratio of grinding particle size tradition classifying equipoment, only need to change the screen cloth on clasfficiator surface, can reach the purpose of control grinding particle size; 3, because clasfficiator surface parcel screen cloth can not enter in the next stage equipment ironware, steel ball or other foreign material that are mingled with in the ball mill discharging, effectively protected next stage equipment, reduced maintenance, stopping production, thereby saved a large amount of human and material resources and financial resources; 4, manufacturing cost is lower, has reduced the maintenance cost in later stage.Only need during maintenance the screw of junction is unclamped and can pull down, replace with new classification sand returning machine; 5, the transformation of old ball mill is very easy to, only needs original discharging opening pulled down and install the classification sand returning machine and get final product; 6, this equipment can be widely used in the ore dressing plants such as iron ore, gold mine, copper mine, selects factory's test at part iron ore, gold mine, has obtained good effect, the satisfactory requirement that has reached the user.
Description of drawings
Fig. 1: the structural representation of ball mill discharging mouth device of the present invention;
Fig. 2: the installation diagram of ball mill discharging mouth device of the present invention and ball mill;
The A of Fig. 3: Fig. 2 is to perspective view.
The specific embodiment
Provide the specific embodiment of the present invention below with reference to accompanying drawing, be used for that the present invention is described further.
The ball mill discharging mouth device of present embodiment, 1-3 with reference to the accompanying drawings, comprise the clasfficiator 2 that connects with ball mill discharging mouth 1, clasfficiator 2 comprises that part stretches into the sand returning machine 3 of discharging opening 1 inside, has the interval between the inwall of the outer wall of sand returning machine 3 and discharging opening 1, sand returning machine 3 is open column shape, load displacing screw 5 for delivery of ore pulp is installed on the outer wall of the remainder of sand returning machine 3, the outer cup of load displacing screw is provided be used to the screen cloth 6 that leaches thin ore deposit, and the inside of sand returning machine 3 is equipped with for the rough returning charge spiral 4 that is recycled in the ball mill; The outside of discharging opening 1 is equipped with crusher discharge end cover 7, is equipped with on the crusher discharge end cover 7 for fixedly base bearing 9 and the main box seat 8 of sand returning machine 3.
Operation principle: ore pulp flows into clasfficiator 2 by discharging opening 1, the screen cloth 6 that meets ore dressing requirement order number at clasfficiator 2 surface parcels, meeting the requirements of ore flows in the next stage equipment through screen cloth 6, do not meet the requirements of rough be graded the load displacing screw 5 that arranges in the device be threaded to end dig the spoon 10 places, digging spoon 23 digs to sand returning machine 3 rough under the rotary action of ball mill, be threaded in the ball mill barrel again ore grinding by the returning charge spiral 4 in the sand returning machine 3, so circulation makes ball mill classification sand returning machine finish the task of classification and sand return.
Advantage of the present invention and effect:
1) can independently finish the task of classification and sand return, replace traditional classifying equipoment, save floor space, reduce some unnecessary investments and later stage expense.
2) easy to the control ratio of grinding particle size tradition classifying equipoment, only need to change the screen cloth on clasfficiator surface, can reach the purpose of control grinding particle size.
3) because clasfficiator surface parcel screen cloth can not enter in the next stage equipment ironware, steel ball or other foreign material that are mingled with in the ball mill discharging, effectively protected next stage equipment, reduced maintenance, stopping production, thereby saved a large amount of human and material resources and financial resources.
4) manufacturing cost is lower, has reduced the maintenance cost in later stage.Only need during maintenance the screw of junction is unclamped and can pull down, replace with new classification sand returning machine.
5) transformation of old ball mill is very easy to, only needs original discharging opening pulled down and install the classification sand returning machine and get final product.
6) this equipment can be widely used in the ore dressing plants such as iron ore, gold mine, copper mine.Select factory's test at part iron ore, gold mine, obtained good effect, the satisfactory requirement that has reached the user.
Claims (2)
1. ball mill discharging mouth device, it is characterized in that comprising the clasfficiator (2) that connects with ball mill discharging mouth (1), the part that comprises clasfficiator (2) stretches into the inner sand returning machine (3) of discharging opening (1), has the interval between the inwall of the outer wall of sand returning machine (3) and discharging opening (1), sand returning machine (3) is open column shape, load displacing screw (5) for delivery of ore pulp is installed on the outer wall of the remainder of sand returning machine (3), the outer cup of load displacing screw is provided be used to the screen cloth that leaches thin ore deposit (6), and the inside of sand returning machine (3) is equipped with for the rough returning charge spiral (4) that is recycled in the ball mill.
2. according to ball mill discharging mouth device claimed in claim 1, the outside that it is characterized in that described discharging opening (1) is equipped with crusher discharge end cover (7), is equipped with on the crusher discharge end cover (7) for fixedly base bearing (9) and the main box seat (8) of sand returning machine (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103399432A CN103357490A (en) | 2013-07-24 | 2013-08-07 | Discharging port device for ball mill |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310313046.4 | 2013-07-24 | ||
| CN201310313046 | 2013-07-24 | ||
| CN2013103399432A CN103357490A (en) | 2013-07-24 | 2013-08-07 | Discharging port device for ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103357490A true CN103357490A (en) | 2013-10-23 |
Family
ID=49360244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103399432A Pending CN103357490A (en) | 2013-07-24 | 2013-08-07 | Discharging port device for ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103357490A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201357108Y (en) * | 2009-02-18 | 2009-12-09 | 王少祖 | Multi-functional ball grinder |
| CN201493139U (en) * | 2009-09-05 | 2010-06-02 | 烟台磊鑫黄金机械有限公司 | Refeed device for ball mills |
| CN203459144U (en) * | 2013-07-24 | 2014-03-05 | 烟台市金豪矿山机械有限公司 | Discharge port device for ball mill |
-
2013
- 2013-08-07 CN CN2013103399432A patent/CN103357490A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201357108Y (en) * | 2009-02-18 | 2009-12-09 | 王少祖 | Multi-functional ball grinder |
| CN201493139U (en) * | 2009-09-05 | 2010-06-02 | 烟台磊鑫黄金机械有限公司 | Refeed device for ball mills |
| CN203459144U (en) * | 2013-07-24 | 2014-03-05 | 烟台市金豪矿山机械有限公司 | Discharge port device for ball mill |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20131023 |