CN103316754A - Screening device in super-fine grinding mill - Google Patents
Screening device in super-fine grinding mill Download PDFInfo
- Publication number
- CN103316754A CN103316754A CN2013102714533A CN201310271453A CN103316754A CN 103316754 A CN103316754 A CN 103316754A CN 2013102714533 A CN2013102714533 A CN 2013102714533A CN 201310271453 A CN201310271453 A CN 201310271453A CN 103316754 A CN103316754 A CN 103316754A
- Authority
- CN
- China
- Prior art keywords
- super
- sieve plate
- comb board
- screening
- mill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
- Crushing And Grinding (AREA)
Abstract
A screening device in a super-fine grinding mill comprises a barrel body and a bracket in the barrel body, wherein a bracket bottom plate is arranged at the periphery of the bracket; a front chamber and a rear chamber in the super-fine grinding mill are arranged on the left side and the right side of the bracket respectively; a front screen plate and a rear screen plate are connected with the left side and the right side of the bracket respectively; a front grate plate is connected with the left side of the front screen plate; a boss projecting out of the right side surface is arranged on the right side surface of the front grate plate; a screening chamber is formed between the right side surface of the front grate plate and the left side surface of the front screen plate; the top end of the boss props against the left side surface of the front screen plate. According to the screening device, a conventional cement grinding mill cabin baffle and a blind plate in the screening device are replaced with a rear grate plate, a ventilation area in the mill is enlarged, a smooth ventilation effect is achieved, powder can timely enter a rear cabin for grinding through the screening device from a front cabin, the excessive grinding and cushion effects of the front cabin are reduced, the grinding capability of a grinding cabin is improved, and the operation hour of the grinding mill is prolonged.
Description
Technical field
The present invention relates to the Super-fine grinder field, especially relate to a kind of screening with in mill equipment of Super-fine grinder.
Background technology
Super-fine grinder is a kind of mill, but it can go out the grinding meticulousr than general mill by processing grinding.Super-fine grinder generally all can be by grinding machine, cylindrical shell, and charging aperture, discharging opening, partition panel, the parts such as abrasive body form.
Present many industries are more and more higher to the powder fineness requirement, and for example petroleum propping agent (ceramsite sand) raw meal requires 325 mesh screen residues less than 1%, and with conventional tube grinding machine grinding aluminium stone flour, fineness is difficult to guarantee, and mill output is low.Trace it to its cause because mostly grinding machine manufacturer is to manufacture and design according to cement industry grinding raw material or cement requirement, and cement is to fineness requirement not high (200 mesh screen residues are less than 4%), the mill inner structure is relatively simple.In the three-chamber mill, one or two storehouses are crushing bin, and three storehouses are for grinding the storehouse, and partition panel is double-layered isolating plate, and the castor seam is wider, and the front is the casting grate plate, and the back is blind plate, and front storehouse material mainly enters by lateral pressure, promote through the intermediate discharging cone through lifting blade and enter Hou Cang.
Its major defect is: ventilate not smooth, the castor seam is wide, and bulky grain enters Hou Cang through the castor seam, particularly enters the grinding storehouse and can not be polished the body pulverizing, causes the particle accumulation of rear storehouse, and grinding efficiency is reduced, and causes output lower, and fineness is thicker.Especially for the grinding of aluminum ore, its grindability is poorer, and output is lower, and fineness is difficult for guaranteeing.
Summary of the invention
The object of the present invention is to provide a kind of Super-fine grinder screening with in mill device, improve the breaking capacity in front storehouse and the grainding capacity in rear storehouse, improve output.
Technical scheme of the present invention is:
Super-fine grinder screening with in mill device, comprise the support in cylindrical shell and the cylindrical shell, the periphery of described support is provided with the support base plate, the described support left and right sides is respectively cup and the rear chamber in the Super-fine grinder mill, the described support left and right sides is connected with respectively front sieve plate and rear sieve plate, front sieve plate left side is connected with front comb board, the right flank of described front comb board is provided with the boss that protrudes right flank, form sieve compartment between the right flank of described front comb board and the left surface of front sieve plate, the top of boss is pressed against on the left surface of front sieve plate; Be provided with the lifting blade of polylith radial arrangement in the described sieve compartment, described lifting blade is centered by the central axis of cylindrical shell and be arranged circumferentially in the circumferential direction of the circle.
The center of described front comb board is provided with the feed back space, and described front sieve plate left side is connected with feeding back device, and described feeding back device is positioned at this feed back space.
Described feeding back device comprises the stock guide group that arranges in the circumferential direction of the circle more than three groups or three groups, each stock guide group comprises the therefrom stock guide of mind-set outer incline layout of polylith, the stock guide length of described stock guide group therefrom mind-set lengthens outward successively, and described stock guide is along the lower right to being obliquely installed.
Described single stock guide group comprises three stock guides that the outer length of mind-set therefrom lengthens successively.
The right side of described rear sieve plate is connected with back comb board.
The vertical setting of castor seam of back comb board, the castor seam is 8 ~ 12mm.
Connected by a plurality of fixed screws between front comb board and the back comb board.
Described lifting blade is connected on the support base plate in the circumferential direction of the circle.
The castor seam horizontally set of described front comb board, the castor seam is 8 ~ 12mm.
The sieve seam of front sieve plate is 1 ~ 3mm, and the sieve seam of rear sieve plate is 3 ~ 5mm.
The present invention is comprised of front comb board, lifting blade, front sieve plate, support, rear sieve plate, back comb board, feeding back device etc., its operation principle is, front storehouse material enters sieve compartment through front comb board, enter in the support through front sieve plate than the pulling of granule by lateral pressure and wind, unsanctioned particle is kicked up through lifting blade and is returned front storehouse by feeding back device, material by support is kicked up through rack side plate, and finish entering the screening of next storehouse material in storehouse after being imported by burden-guiding cone.
The present invention and traditional partition panel difference are, between front comb board and support, increase a screening space, the front sieve plate of punching press is fixed on the support, the support base plate is fixed on the grinding mill barrel, boss on the front comb board is pressed on the sieve plate, makes the screening space that forms a boss height between front comb board and the front sieve plate, welds lifting blade on the support base plate, be front comb board, lifting blade, front sieve plate, support, rear sieve plate, back comb board from front to back successively, form whole by the partition panel screw.
The present invention has cancelled the blind plate in traditional cement grinding mill partition panel and the screening plant, change back comb board into, increased the mill inner ventilation area, make mill inner ventilation smooth and easy, powder in time the past storehouse enters the grinding of rear storehouse by the present invention, reduced front storehouse and crossed grinding and backing strap effect, the crushing bin breaking capacity has been strengthened, when improving the grinding machine platform.
Increase lifting blade, front sieve plate can be controlled the granularity that enters rear storehouse material, the larger particles by sieve plate by front comb board but not, kicked up by lifting blade and to return front storehouse through feeding back device, thereby having avoided bulky grain to enter Hou Cang gathers, make the little grinding physical efficiency in rear storehouse give full play to abrasive action, take full advantage of space in the mill, improve grinding efficiency, guarantee out the grind materials fineness.
The supercentral feeding back device of front sieve plate, enable pass is crossed front comb board but can not can be returned front storehouse by the bulky grain of front sieve plate, this feeding back device is different from the feed back cone in the general screening plant, the polylith inclination stock guide that it is outwards arranged by six group switching centres forms, to compare flowing resistance little with feed back cone, simultaneously in the coarse granule kicked up of lifting blade with fine powder, during through feeding back device, under the pulling function of wind, can enter next storehouse by center sieve plate and burden-guiding cone, improve screening efficiency.
Screening power of the present invention, the lateral pressure that comes from the one hand the poor formation of charge level, come from the other hand the motive force that mill inner ventilation forms (the conventional screen separating device since blind plate intercept, ventilate relatively poor, screening effect is poor), screening efficiency is high, good to mill feed material adaptability, forward and backward sieve plate is stamping parts, and the sieve seam of front sieve plate is 1 ~ 3mm, and the sieve seam of rear sieve plate is 3 ~ 5mm.(can according to the material characteristic adjustment), can guarantee to enter the particle in rear storehouse less than 3mm, (granule and powder can in time enter next storehouse to give full play to like this breaking capacity in front storehouse, reduce the backing strap buffering), and the grainding capacity in rear storehouse (rear storehouse does not have bulky grain, can strengthen grinding with little abrasive body), by reasonable adjustment grinding body gradation and filling rate, the grinding machine ability is given full play to, improved output, reduce power consumption.This screening with in mill apparatus structure is simple, installs easily, and low cost of manufacture, debugging is convenient.The present invention is used in certain ceramsite sand raw meal preparation, brings up to 23t/h by 18t/h during 3*13 rice grinding machine platform.
The present invention obtains positive effect through using at 3*13 rice grinding machine, and output can improve more than 20%, and the unit product power consumption descends 15%, has obtained good economic benefit.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the local enlarged diagram I of Fig. 1;
Fig. 3 be A among Fig. 1 to view, wherein front sieve plate, rear sieve plate, back comb board all are to remove the schematic diagram of gear behind each plate of its front side;
Fig. 4 is the structural representation of feeding back device.
The specific embodiment
As shown in Figure 1, 2, the present invention includes support 1, support 1 left and right sides is connected with respectively front sieve plate 2 and rear sieve plate 3, and centered by cylindrical shell 9 central axis, hoop evenly arranges in the circumferential direction of the circle.Be abutted against in the left side of front sieve plate 2 front comb board 4, and the right side of front comb board 4 is provided with boss 6, and boss 6 is pressed on the left surface of front comb board 4.Pressed back comb board 7 on the right flank of rear sieve plate 3.
As shown in Figure 3, front sieve plate 2 and rear sieve plate 3 are stamping parts, and the sieve seam of front sieve plate 2 is that 1 ~ 3mm(the present embodiment is got 2mm), the sieve seam of rear sieve plate is that 3 ~ 5 mm(the present embodiment are got 4mm).
Front comb board 4, back comb board 7 are wear-resistant cast steel parts, the mid portion porous, front comb board 4, back comb board 7 all are to be put together by polylith wear-resistant cast steel parts plate, its size is set according to the cylindrical shell size of place Super-fine grinder, polylith wear-resistant cast steel parts plate is centered by the cylindrical shell central axis, and hoop evenly arranges in the circumferential direction of the circle.The castor seam horizontally set of front comb board 4, the vertical setting of castor seam of back comb board 7, the castor seam of front comb board 4, back comb board 7 is 8 ~ 12mm (the present embodiment adopts 10mm).
The outside of front comb board 4, back comb board 7 is respectively cup 15, rear chamber 16.Connected by a plurality of fixed screws 19 between front comb board 4, the back comb board 7.
Formed sieve compartment 5 between front comb board 4 and front sieve plate 2, the width of sieve compartment 5 equals boss 6 height of front comb board 4.
Support 1 is weldment in the present embodiment, form (quantity is determined by mill diameter, and is general identical with grate plate quantity) by many, support 1 is circle in the present embodiment, its circumferential edge is support base 8, and support base 8 hoops are fixedly connected on the cylindrical shell 9 of Super-fine grinder.Also be connected with lifting blade 10 along hoop on support base 8, lifting blade 10 is positioned at sieve compartment 5 between front comb board 4 and front sieve plate 2.Also be provided with liner plate 20 on the cylindrical shell 9.
As shown in Figure 2, the center hollow of front comb board 4 is provided with feed back space 11, is provided with feeding back device 12 in this feed back space 11.
As shown in Figure 4, feeding back device 12 is tabular polygon (being generally regular polygon), what the present embodiment adopted is regular hexagon, it by six groups therefrom the outer polylith inclination stock guide 13 of arranging of mind-set form, stock guide 13 is obliquely installed, the right edge of stock guide 13 is along downward-sloping, and the angle of inclination is determined according to actual conditions.Connected by gusset 14 between two groups of adjacent stock guides 13, the quantity of every group of stock guide 13 is set according to actual conditions, and the present embodiment is 3, and the length of 3 stock guides 13 therefrom mind-set becomes large outward successively.
Front storehouse material enters sieve compartment 5 through front comb board 4, enter in the support 1 through front sieve plate 2 than the pulling of granule by lateral pressure and wind, unsanctioned particle is kicked up through lifting blade 10 and is returned front storehouse by feeding back device 12, material by support 1 is kicked up through rack side plate, import rear storehouse (chamber 16 namely) by burden-guiding cone 17, finish entering the screening of next storehouse material.
Screening power of the present invention comes from the one hand the lateral pressure of the poor formation of charge level, come from the other hand the motive force that mill inner ventilation forms (the conventional screen separating device since blind plate intercept, ventilate relatively poor, screening effect is poor), screening efficiency is high, and is good to mill feed material adaptability.
Claims (10)
1. Super-fine grinder screening with in mill device, comprise the support in cylindrical shell and the cylindrical shell, the periphery of described support is provided with the support base plate, the described support left and right sides is respectively cup and the rear chamber in the Super-fine grinder mill, it is characterized in that: the described support left and right sides is connected with respectively front sieve plate and rear sieve plate, front sieve plate left side is connected with front comb board, the right flank of described front comb board is provided with the boss that protrudes right flank, form sieve compartment between the right flank of described front comb board and the left surface of front sieve plate, the top of boss is pressed against on the left surface of front sieve plate; Be provided with the lifting blade of polylith radial arrangement in the described sieve compartment, described lifting blade is centered by the central axis of cylindrical shell and be arranged circumferentially in the circumferential direction of the circle.
2. Super-fine grinder screening with in mill device according to claim 1, it is characterized in that: the center of described front comb board is provided with the feed back space, and described front sieve plate left side is connected with feeding back device, and described feeding back device is positioned at this feed back space.
3. Super-fine grinder screening with in mill device according to claim 2, it is characterized in that: described feeding back device comprises the stock guide group that arranges in the circumferential direction of the circle more than three groups or three groups, each stock guide group comprises the therefrom stock guide of mind-set outer incline layout of polylith, the stock guide length of described stock guide group therefrom mind-set lengthens outward successively, and described stock guide is along the lower right to being obliquely installed.
4. Super-fine grinder screening with in mill device according to claim 3 is characterized in that: described single stock guide group comprises three stock guides that the outer length of mind-set therefrom lengthens successively.
5. Super-fine grinder screening with in mill device according to claim 1 and 2, it is characterized in that: the right side of described rear sieve plate is connected with back comb board.
6. Super-fine grinder screening with in mill device according to claim 5 is characterized in that: the vertical setting of castor seam of described back comb board, the castor seam is 8 ~ 12mm.
7. Super-fine grinder screening with in mill device according to claim 6 is characterized in that: connected by a plurality of fixed screws between front comb board and the back comb board.
8. Super-fine grinder screening with in mill device according to claim 1 and 2, it is characterized in that: described lifting blade is connected on the support base plate in the circumferential direction of the circle.
9. Super-fine grinder screening with in mill device according to claim 1 and 2 is characterized in that: the castor seam horizontally set of described front comb board, the castor seam is 8 ~ 12mm.
10. Super-fine grinder screening with in mill device according to claim 1 and 2 is characterized in that: the sieve seam of front sieve plate is 1 ~ 3mm, and the sieve seam of rear sieve plate is 3 ~ 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310271453.3A CN103316754B (en) | 2013-07-01 | 2013-07-01 | Screening device in super-fine grinding mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310271453.3A CN103316754B (en) | 2013-07-01 | 2013-07-01 | Screening device in super-fine grinding mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103316754A true CN103316754A (en) | 2013-09-25 |
| CN103316754B CN103316754B (en) | 2015-05-27 |
Family
ID=49185966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310271453.3A Active CN103316754B (en) | 2013-07-01 | 2013-07-01 | Screening device in super-fine grinding mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103316754B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056710A (en) * | 2014-06-28 | 2014-09-24 | 山东省章丘鼓风机股份有限公司 | Composite internal separating and grinding device of pipe grinder |
| CN104741180A (en) * | 2014-07-22 | 2015-07-01 | 周鸿钧 | Compound type grate plate for ball mill |
| CN105728114A (en) * | 2016-04-10 | 2016-07-06 | 齐继红 | Garbage smashing and screening ball mill and use method thereof |
| CN105772175A (en) * | 2016-03-07 | 2016-07-20 | 中信重工机械股份有限公司 | Interchangeable drying bin-separating device for air-swept coal mill |
| CN106423420A (en) * | 2016-09-20 | 2017-02-22 | 派勒（天津）纳米技术有限公司 | Dry type multi-stage smart stirring ball mill |
| CN113976257A (en) * | 2021-09-15 | 2022-01-28 | 中信重工机械股份有限公司 | Drying type air sweeping and grinding machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201030323Y (en) * | 2007-04-24 | 2008-03-05 | 黄拥军 | Inner sifting combined atomizer mill |
| CN201076824Y (en) * | 2007-09-03 | 2008-06-25 | 刘怀平 | Double-deck screen separating bin device |
| CN201841038U (en) * | 2010-10-29 | 2011-05-25 | 成都利君实业股份有限公司 | Compartment device of cement mill |
| CN203329815U (en) * | 2013-07-01 | 2013-12-11 | 三门峡方圆实业股份有限公司 | Inner screening device of super-fine grinding mill |
-
2013
- 2013-07-01 CN CN201310271453.3A patent/CN103316754B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201030323Y (en) * | 2007-04-24 | 2008-03-05 | 黄拥军 | Inner sifting combined atomizer mill |
| CN201076824Y (en) * | 2007-09-03 | 2008-06-25 | 刘怀平 | Double-deck screen separating bin device |
| CN201841038U (en) * | 2010-10-29 | 2011-05-25 | 成都利君实业股份有限公司 | Compartment device of cement mill |
| CN203329815U (en) * | 2013-07-01 | 2013-12-11 | 三门峡方圆实业股份有限公司 | Inner screening device of super-fine grinding mill |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056710A (en) * | 2014-06-28 | 2014-09-24 | 山东省章丘鼓风机股份有限公司 | Composite internal separating and grinding device of pipe grinder |
| CN104741180A (en) * | 2014-07-22 | 2015-07-01 | 周鸿钧 | Compound type grate plate for ball mill |
| CN105772175A (en) * | 2016-03-07 | 2016-07-20 | 中信重工机械股份有限公司 | Interchangeable drying bin-separating device for air-swept coal mill |
| CN105728114A (en) * | 2016-04-10 | 2016-07-06 | 齐继红 | Garbage smashing and screening ball mill and use method thereof |
| CN106423420A (en) * | 2016-09-20 | 2017-02-22 | 派勒（天津）纳米技术有限公司 | Dry type multi-stage smart stirring ball mill |
| CN113976257A (en) * | 2021-09-15 | 2022-01-28 | 中信重工机械股份有限公司 | Drying type air sweeping and grinding machine |
| CN113976257B (en) * | 2021-09-15 | 2023-08-29 | 中信重工机械股份有限公司 | Drying type air-sweeping mill |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103316754B (en) | 2015-05-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103316754B (en) | Screening device in super-fine grinding mill | |
| CN201216951Y (en) | Powder sifting double-sifter globe mill | |
| CN204544298U (en) | A kind of powdery paints flour mill | |
| CN103521333B (en) | A kind of to pulverize and two-stage sorting process and pulverizing and two-stage separation system | |
| CN204656693U (en) | The process equipment of multi-stage crushing and screening | |
| CN106732966A (en) | A kind of wet type roll-type grinding system | |
| CN203778345U (en) | Scattering machine grading device capable of effectively improving grading effect | |
| CN204656691U (en) | Crushing and screening all-in-one | |
| CN103495482A (en) | Smashing and sorting technology as well as smashing and sorting system | |
| CN204564529U (en) | A kind of medicinal powder screening plant | |
| CN203329815U (en) | Inner screening device of super-fine grinding mill | |
| CN205762351U (en) | A kind of multi-stage screening system | |
| CN210159690U (en) | Press-grinding type sand making machine | |
| CN209997765U (en) | sanitary porcelain hard material fine crushing production line | |
| CN201728143U (en) | Potential energy mill | |
| CN218531156U (en) | Continuous ball milling device | |
| CN114392823B (en) | Cone spiral circulating grinding and crushing system | |
| CN208098323U (en) | A kind of flour mill | |
| CN208390168U (en) | A kind of pulverizer | |
| CN202277861U (en) | Efficient internal powder selecting device of globe mill | |
| CN101549319A (en) | Circulating grinding micropulverizer | |
| CN203874887U (en) | Multi-level spring vibration mill screen | |
| CN202238198U (en) | Ball grinder separating bin activate screening device | |
| CN201894948U (en) | Energy-saving ball milling and screening combination machine | |
| CN203108772U (en) | Screening device for screening high-adhesion materials |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161025 Address after: Mianchi County, the Western Avenue in Sanmenxia city of Henan Province in 472400 Patentee after: Ke Tokumegumi Petroleum proppant Co., Ltd. Address before: Mianchi County, the Western Avenue in Sanmenxia city of Henan Province in 472400 Patentee before: Sanmenxia Fangyuan Industrial Co., Ltd. |