CN105728113A - Discharge screening device for ball mill - Google Patents
Discharge screening device for ball mill Download PDFInfo
- Publication number
- CN105728113A CN105728113A CN201610126743.2A CN201610126743A CN105728113A CN 105728113 A CN105728113 A CN 105728113A CN 201610126743 A CN201610126743 A CN 201610126743A CN 105728113 A CN105728113 A CN 105728113A
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- China
- Prior art keywords
- reject bin
- sieve
- reject
- cylindric
- drum
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/184—Discharging devices combined with sorting or separating of material with separator arranged in discharge path of crushing zone
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
Abstract
A discharge screening device for a ball mill relates to a screening device for milled material. The discharge screening device comprises a drum screen which rotates together with a mill drum, wherein a discharge end of the drum screen is connected with a reject discharging screen; the reject discharging screen comprises a cylindrical screen body, of which one end is open and the other end is closed; a discharge opening is formed in a baffle at the closed end; a bell mouth is arranged outside the cylindrical screen body; a reject bin is arranged in the cylindrical screen body; the discharge opening is located at one end of the reject bin; a feed opening is formed in each of two sides of the reject bin; material discharged from the drum screen into the reject discharging screen falls into the reject bin via the two feed openings in two sides of the reject bin in the rotation process of the reject discharging screen respectively; two inclined plates are arranged in the reject bin; and the two inclined plates are used for guiding the material, which falls into the reject bin via the two feed openings, to flow into the discharge opening at the other end of the reject bin to be discharged via the bell mouth. The discharge screening device can improve the accuracy of material separation of a drum screening device and effectively finish separation of oversize products and undersize products.
Description
Technical field
The present invention relates to the screening plant technical field of grinding material, be specifically related to a kind of go out screening separator for ball mill.
Background technology
Cylinder screening device is as the one of sieving machine, it is characterised in that sieve is the cylinder having a lot of circular hole or square hole.After drum sieve is arranged on grinding machine discharging lining, being connected with discharging lining bolt, grinding machine rotates with grinding mill barrel when running.When ball mill ore discharging flow on drum sieve, material constantly rolls in drum sieve, and thin rank material finally passes through to sift out from the sieve aperture of tubular working surface, and coarse-grained material is discharged from the other end of drum sieve.Owing to drum sieve rotates, and being hollow type, it does not arrange further material screening structure, and its preventer will determine accuracy and the rigor of the classification of its final material.But, most of protective covers of existing grinding machine then can not control the classification of screening materials carrying well, and the screening loop of so defective material is easy to be mixed into the undersize material of drum sieve, and then affects the work efficiency of subsequent process flow.
Summary of the invention
It is an object of the invention to provide and a kind of go out screening separator for ball mill, it can improve the accuracy of cylinder screening device separation of material, efficiently accomplishes separating of oversize and siftage, it is ensured that the good stable operation of sieving technology flow process.
nullFor realizing object indicated above，The present invention adopts the following technical scheme that and a kind of goes out screening separator for ball mill，The drum sieve rotated with grinding mill barrel it is provided with in ball mill，After grinding, the fine in material is discharged from the sieve aperture drum sieve，Coarse-grained material is discharged from the exhaust end of drum sieve，The exhaust end of described drum sieve connects a waste discharge material screen rotated with drum sieve，Waste discharge material screen includes the cylindric sieve nest that an open at one end one end is closed，The opening end of cylindric sieve nest docks with drum sieve，The baffle plate of cylindric sieve nest blind end offers discharging opening，Cylindric sieve nest be provided externally with a horn mouth docked with discharging opening，The inside of cylindric sieve nest is provided with a reject bin，Described discharging opening is positioned at one end of reject bin，The inner space of cylindric sieve nest is divided into two chambers by reject bin，Two side plates being oppositely arranged of reject bin are respectively provided with a charging aperture，The material entering two chambers from drum sieve drops in reject bin from two charging apertures of reject bin both sides respectively waste discharge material screen rotary course，The inside of reject bin is provided with two swash plates，Two swash plates are respectively used to the material dropping into reject bin from two charging apertures is guided to the discharging opening of the reject bin other end by reject bin corresponding to one end of cylindric sieve nest opening end and is discharged through horn mouth.
Further, the protective cover for preventing materials from spattering being provided externally with a closing of described drum sieve and waste discharge material screen, the perforate that bell-mouthed flared end is arranged from protective cover one end is stretched out, and protective cover is formed by connecting by upper lid and lower cover bolt, and the bottom of lower cover is provided with outlet.
The circumference wall of described cylindric sieve nest offers osculum.
Described bell-mouthed necking end is connected to discharge outlet by flange II.
Owing to adopting technical scheme as above, the present invention has following superiority:
The screening plant good sealing effect of the present invention, feed separation is powerful, effectively complete separating of oversize and siftage, prevent discarded steel ball or defective material from entering in qualified material pond, affect the piece-rate system of next stage, improve the separating power of cylinder screening device, it is ensured that sieving technology flow process is well stably run.
Waste discharge material screen, horn mouth and drum sieve together rotate, on such drum sieve, bulk materials can only be gushed out from horn mouth, come thus the screening route of defective material Yu qualified material is strictly disjointed, improve the accuracy of drum sieve separation of material, improve ore grinding screening function simultaneously, ensure that the technological process of next stage, improve the work efficiency of sieving technology flow process.
Waste discharge material screen and horn mouth all can individually dismount, this not only lowers the assembly difficulty of assembler, can be individually replaced at any time as consumable accessory, it is to avoid the waste that integral disassembly, assembly causes because of wear-out period difference.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the present invention；
Fig. 2 and Fig. 3 is the three-dimensional structure diagram of waste discharge material screen；
Fig. 4 is the side view of waste discharge material screen；
Fig. 5 is A-A in Fig. 4 to sectional view；
Fig. 6 is bell-mouthed structure chart；
Fig. 7 is the structure chart of the upper lid of protective cover；
Fig. 8 is the structure chart of the lower cover of protective cover；
Figure is labeled as: 1, upper lid, 2, waste discharge material screen, 3, horn mouth, 4, lower cover, 5, drum sieve, 6, granule materials, 2-1, cylindric sieve nest, 2-2, baffle plate, 2-3, side plate, 2-4, swash plate, 2-5, dividing plate, 2-6, charging aperture, 2-7, discharging opening, 2-8, osculum, 2-9, flange I, 2-10, bolt hole, 3-1, flange II, 4-1, outlet；
In Fig. 4, arrow with camber line represents the direction of rotation of waste discharge material screen.
Detailed description of the invention
As shown in the figure, a kind of go out screening separator for ball mill, including drum sieve 5, waste discharge material screen 2, horn mouth 3 and protective cover, drum sieve 5 rotates with grinding mill barrel, waste discharge material screen 2 includes a cylindric sieve nest 2-1, cylindric sieve nest 2-1 open at one end one end is closed by baffle plate 2-2, wherein, the opening end of the cylindric sieve nest 2-1 of waste discharge material screen 2 is connected to the exhaust end of drum sieve 5 by flange I 2-9, horn mouth 3 is arranged on the outside of cylindric sieve nest 2-1, and the necking end of horn mouth 3 is connected to discharging opening 2-7 place by flange II 3-1, the baffle plate 2-2 of discharging opening 2-7 periphery is provided with some bolt hole 2-10 for mounting flange II 3-1.Baffle plate 2-2 offers discharging opening 2-7, discharging opening 2-7 is circular port the center being positioned at circular baffle plate 2-2, the opening end of cylindric sieve nest 2-1 is provided with a dividing plate 2-5, dividing plate 2-5 is rectangular plate-like, the two ends of dividing plate 2-5 are connected on the inwall of cylindric sieve nest 2-1 opening end, two sides of dividing plate 2-5 respectively connect a side plate 2-3, two side plate 2-3 are each perpendicular to dividing plate 2-5 and arrange, two sides of each side plate 2-3 are connected with dividing plate 2-5 and baffle plate 2-2 respectively, and discharging opening 2-7 is arranged in baffle plate 2-2 part between biside plate 2-3.nullEach side plate 2-3 has one end to be connected on the inwall of cylindric sieve nest 2-1，The other end is not connected with the inwall of cylindric sieve nest 2-1，And reserve certain distance in order to form a charging aperture 2-6 of following reject bin between this one end and the inwall of cylindric sieve nest 2-1 of the bearing of trend epipleural of this end of side plate，One end that two side plate 2-3 are not connected with the inwall of cylindric sieve nest 2-1 lays respectively at the two ends of dividing plate 2-5，So，Dividing plate 2-5、Two side plate 2-3，Baffle plate 2-2 is corresponding to the part of dividing plate 2-5，And cylindrical shape sieve nest 2-1 defines a reject bin jointly corresponding to the part between biside plate 2-3，Two charging aperture 2-6 of reject bin lay respectively on two side plate 2-3 of reject bin both sides，And two charging aperture 2-6 be separately positioned on two side plate 2-3 phases away from two ends.Two swash plate 2-4 it are respectively equipped with in the inside of reject bin, one end of two swash plate 2-4 is both connected to baffle plate 2-2 and is provided with the same position place of discharging opening 2-7, the other end of two swash plate 2-4 is in being gradually distance from shape and being both connected on dividing plate 2-5, two sides of each swash plate 2-4 are connected on two side plate 2-3, so, reject bin has been separated into two independent storehouses by two swash plate 2-4, each independent storehouse each has a charging aperture 2-6, it is arranged on the position on baffle plate 2-2 for boundary with two swash plate 2-4, discharging opening 2-7 is divided into two parts, two parts of discharging opening 2-7 each act as the discharging opening of two independent chambers.In waste discharge material screen 2 rotary course, enter into the granule materials 6 of cylindric sieve nest 2-1 from drum sieve 5 and drop in two independent chambers of reject bin through two charging aperture 2-6 respectively along the barrel of cylindric sieve nest 2-1, two swash plate 2-4 are respectively used to be guided to the discharging opening of the independent chamber other end by one end of independent chamber by dropping into the material of respective independent chamber from two charging aperture 2-6 and discharge through horn mouth 3, and the osculum 2-8 that in material, the moisture of residual is arranged from cylindric sieve nest 2-1 circumference wall discharges.
In grinding mill barrel rotary course, drum sieve 5, waste discharge material screen 2 rotate with grinding mill barrel with horn mouth 3, after grinding machine grinding, the fine in material is discharged from the sieve aperture drum sieve 5, coarse-grained material and steel scrap ball enter in the cylindric sieve nest 2-1 of waste discharge material screen 2 from the exhaust end of drum sieve 5, and discharge outside waste discharge material screen 2 through reject bin, then export through horn mouth 3.The inner space of cylindric sieve nest 2-1 is divided into two chambers by reject bin, these two chambers do not include the chamber of reject bin self, in grinding machine rotary course, the oversize of drum sieve 5 enters in two chambers of cylindric sieve nest 2-1, enter in two independent chambers that the material of two chambers drops into reject bin respectively through two charging aperture 2-6, with after discharge through discharging opening 2-7.
For preventing materials from spattering, the protective cover being provided externally with a closing of drum sieve 5 and waste discharge material screen 2, the perforate that the flared end of horn mouth 3 is arranged from protective cover one end is stretched out, protective cover is formed by connecting is defined the space of sealing by upper lid 1 and lower cover 4 bolt, preventing drum sieve 5 to splash with ore pulp in waste discharge material screen 2 motor process, the bottom of lower cover 4 is provided with outlet 4-1.Drum sieve 5 on-the-sieve material is constantly rolled in sieve, and the material successfully sifted out is entered in next stage piece-rate system by the outlet 4-1 bottom lower cover 4；The material that cannot sift out eventually enters into the reject bin of waste discharge material screen 2 in roll procedure, is discharged by horn mouth 3.
Claims (4)
- null1. one kind for ball mill go out screening separator，The drum sieve (5) rotated with grinding mill barrel it is provided with in ball mill，After grinding, the fine in material is discharged from the sieve aperture drum sieve (5)，Coarse-grained material is discharged from the exhaust end of drum sieve (5)，It is characterized in that: the exhaust end of described drum sieve (5) connects a waste discharge material screen (2) rotated with drum sieve (5)，Waste discharge material screen (2) includes the cylindric sieve nest (2-1) that an open at one end one end is closed，The opening end of cylindric sieve nest (2-1) docks with drum sieve (5)，The baffle plate (2-2) of cylindric sieve nest (2-1) blind end offers discharging opening (2-7)，Cylindric sieve nest (2-1) be provided externally with a horn mouth (3) docked with discharging opening (2-7)，The inside of cylindric sieve nest (2-1) is provided with a reject bin，Described discharging opening (2-7) is positioned at one end of reject bin，The inner space of cylindric sieve nest (2-1) is divided into two chambers by reject bin，Two side plates being oppositely arranged (2-3) of reject bin are respectively provided with a charging aperture (2-6)，The material entering two chambers from drum sieve (5) drops in reject bin from two charging apertures (2-6) of reject bin both sides respectively waste discharge material screen (2) rotary course，The inside of reject bin is provided with two swash plates (2-4)，Two swash plates (2-4) are respectively used to the material dropping into reject bin from two charging apertures (2-6) is guided to the discharging opening (2-7) of the reject bin other end by reject bin corresponding to one end of cylindric sieve nest (2-1) opening end and is discharged through horn mouth (3).
- 2. a kind of as claimed in claim 1 go out screening separator for ball mill, it is characterized in that: the protective cover for preventing materials from spattering being provided externally with a closing of described drum sieve (5) and waste discharge material screen (2), the perforate that the flared end of horn mouth (3) is arranged from protective cover one end is stretched out, protective cover is formed by connecting by upper lid (1) and lower cover (4) bolt, and the bottom of lower cover (4) is provided with outlet (4-1).
- 3. a kind of as claimed in claim 1 go out screening separator for ball mill, it is characterised in that: the circumference wall of described cylindric sieve nest (2-1) offers osculum (2-8).
- 4. a kind of as claimed in claim 1 go out screening separator for ball mill, it is characterised in that: the necking end of described horn mouth (3) is connected to discharging opening (2-7) place by flange II (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126743.2A CN105728113B (en) | 2016-03-07 | 2016-03-07 | It is a kind of to go out screening separator for ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610126743.2A CN105728113B (en) | 2016-03-07 | 2016-03-07 | It is a kind of to go out screening separator for ball mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105728113A true CN105728113A (en) | 2016-07-06 |
| CN105728113B CN105728113B (en) | 2018-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610126743.2A Active CN105728113B (en) | 2016-03-07 | 2016-03-07 | It is a kind of to go out screening separator for ball mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN105728113B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743797A (en) * | 2018-07-23 | 2020-02-04 | 沈阳铝镁设计研究院有限公司 | Electrolytic anode scrap autogenous grinding cleaning machine material distribution device and material distribution method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136866A1 (en) * | 2019-12-30 | 2021-07-08 | Metso Outotec Finland Oy | A method of maintaining grate of grinding mill and maintenance arrangement |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB251564A (en) * | 1925-08-29 | 1926-05-06 | Peter Vilhelm Adolf Aage Herbs | Improvements relating to tube or ball mills |
| GB995586A (en) * | 1962-06-15 | 1965-06-16 | Bolidens Gruv Ab | A screening device in a rotatable drum intended for grinding and/or mixing material |
| CN1810379A (en) * | 2006-02-28 | 2006-08-02 | 沈阳重型机械集团有限责任公司 | Spiral tail centralized deslagging box unit for mill |
| CN201033301Y (en) * | 2007-05-11 | 2008-03-12 | 郭心岭 | Drawing mechanism of steel scoria autogenous mill or semi- autogenous mill |
| 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 |
| CN102824946A (en) * | 2012-09-19 | 2012-12-19 | 中冶北方（大连）工程技术有限公司 | Slag removal device used on ball mill |
| CN103920567A (en) * | 2014-04-15 | 2014-07-16 | 永仁盛源钛业有限公司 | Wear-resisting low-consumption ball mill |
-
2016
- 2016-03-07 CN CN201610126743.2A patent/CN105728113B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB251564A (en) * | 1925-08-29 | 1926-05-06 | Peter Vilhelm Adolf Aage Herbs | Improvements relating to tube or ball mills |
| GB995586A (en) * | 1962-06-15 | 1965-06-16 | Bolidens Gruv Ab | A screening device in a rotatable drum intended for grinding and/or mixing material |
| CN1810379A (en) * | 2006-02-28 | 2006-08-02 | 沈阳重型机械集团有限责任公司 | Spiral tail centralized deslagging box unit for mill |
| CN201033301Y (en) * | 2007-05-11 | 2008-03-12 | 郭心岭 | Drawing mechanism of steel scoria autogenous mill or semi- autogenous mill |
| 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 |
| CN102824946A (en) * | 2012-09-19 | 2012-12-19 | 中冶北方（大连）工程技术有限公司 | Slag removal device used on ball mill |
| CN103920567A (en) * | 2014-04-15 | 2014-07-16 | 永仁盛源钛业有限公司 | Wear-resisting low-consumption ball mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743797A (en) * | 2018-07-23 | 2020-02-04 | 沈阳铝镁设计研究院有限公司 | Electrolytic anode scrap autogenous grinding cleaning machine material distribution device and material distribution method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105728113B (en) | 2018-05-01 |
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