CN105080698B - Use the grinding process of vertical roller grinder system - Google Patents
Use the grinding process of vertical roller grinder system Download PDFInfo
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- CN105080698B CN105080698B CN201410203239.9A CN201410203239A CN105080698B CN 105080698 B CN105080698 B CN 105080698B CN 201410203239 A CN201410203239 A CN 201410203239A CN 105080698 B CN105080698 B CN 105080698B
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Abstract
This patent is related to a kind of vertical roller grinder system, including vertical roller grinder and ingredient sector；V-type powder concentrator, the downstream of ingredient sector and the feeding mouth unicom of V-type powder concentrator, the discharge port of vertical roller grinder passes through second elevating conveyor unicom with the feeding mouth of V-type powder concentrator by first elevating conveyor unicom, the coarse fodder discharge port of V-type powder concentrator and the feeding mouth of vertical roller grinder；The air outlet of circulating fan, V-type powder concentrator air inlet and circulating fan is by recycling air hose unicom；High-efficient powder concentrator, the fines discharge port of V-type powder concentrator and the feeding mouth unicom of high-efficient powder concentrator, the coarse fodder discharge port of high-efficient powder concentrator and the feeding mouth unicom of vertical roller grinder；Bag collector, the discharge port of high-efficient powder concentrator and the entrance unicom of bag collector, the air outlet of bag collector and the air inlet unicom of circulating fan.Advantage is：The ventilation resistance of this patent system is small.
Description
Technical field
The invention belongs to the crushing technology field of material, more particularly to a kind of grinding using vertical roller grinder system
Technique.
Background technology
Currently, vertical roller grinder is widely used in the grinding of the materials such as raw mineral materials, fuel, cement and slag.Due to vertical
Roller mill uses bed-grinding principle, and mill efficiency is higher, and compared with Ball Mill System, the grinding pow consumption of vertical roller grinder reduces
50%, but electrical energy consumption of ventilation is higher than ball mill, so entire grinding system power consumption reduces by 30% or so.Currently, vertical roller grinder system
System has become the preferred option of grinding various materials.
Traditional vertical roller grinder system is as shown in Figure 2：Newly feed material together with outer circulation material by airlock along
Tremie pipe falls on mill center, and with the rotation of mill, material is under the influence of centrifugal force from mill center to border movement, together
When be crushed by the extruding of grinding roller.Material after crushing is taken up in mill edge by the gas entered from vane, thick
Grain falls on mill grinding again, and relatively fine particle is brought to powder concentrator and is sorted, and coarse powder returns mill, and qualified products are received by bag collector
Collection.The large granular materials of the difficult mill in part fall into vane, enter external circulating system by scum mouth, roller is again introduced into after removing iron
Mill grinding together with newly hello material.
However, the system ventilation amount, ventilation resistance are all larger, circulating fan power consumption is higher in actual production.Especially
And material that water content very low higher for iron ore isodensity, mill ventilation are mainly used for material conveying, and wind-power lifting
It is more much higher than energy consumption needed for mechanical lifting.
Invention content
The invention provides a kind of vertical roller grinder system, the system to solve technical problem present in known technology
Ventilation resistance is small.
A kind of vertical roller grinder system, including vertical roller grinder and ingredient sector further include having V-type powder concentrator, ingredient sector
The feeding mouth unicom in downstream and V-type powder concentrator, the discharge port of vertical roller grinder are promoted by first with the feeding mouth of V-type powder concentrator and are conveyed
Machine unicom, the coarse fodder discharge port of V-type powder concentrator and the feeding mouth of vertical roller grinder pass through second elevating conveyor unicom；
The air outlet of circulating fan, V-type powder concentrator air inlet and circulating fan is by recycling air hose unicom；
Dynamic powder concentrator, the fines discharge port of V-type powder concentrator and the feeding mouth unicom of dynamic powder concentrator, dynamic powder concentrator
The feeding mouth unicom of coarse fodder discharge port and vertical roller grinder；
Bag collector, the discharge port of dynamic powder concentrator and the entrance unicom of bag collector, the air outlet of bag collector with follow
The air inlet unicom of ring wind turbine.
The invention has the advantages and positive effects of：
Since the invention uses above-mentioned technical proposal, grinding region and sorting region are separated, grinding region empty
Material cycle, substantially reduces ventilation quantity and ventilation resistance.Meanwhile the Geldart-D particle of traditional vertical roll mill apparatus is become mechanical defeated
It send, to solve the problems, such as that circulating fan power consumption is high.Moreover, new material is fed directly into V-type powder concentrator, part fine powder is directly by band
Enter in dynamic powder concentrator, the generation for crossing grinding phenomenon in grinding machine is avoided, to reduce grinding pow consumption.In addition, vertical rolls are milled
Material after mill is sorted by two benches, is completed respectively by V-type powder concentrator and dynamic powder concentrator, and two benches sorting can greatly improve
The efficiency of separation reduced grinding phenomenon, optimization material particles composition.
In conclusion the circulating fan air quantity of vertical roller grinder system reduces by 10%~20%, pressure can reduce by 20%~
30%, power consumption can reduce by 40%~50%.
Description of the drawings
Fig. 1 is the structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of traditional vertical roller grinder system.
In figure：1, ingredient sector；2, dynamic powder concentrator；3, V-type powder concentrator；4, vertical roller grinder；5, circulating fan；6, it produces
Product；7, bag collector；8, first elevating conveyor；9, second elevating conveyor.
Specific implementation mode
For that can further appreciate that the innovation and creation contents, features and effects of the invention, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows：
As shown in Figure 1,
A kind of vertical roller grinder system, including vertical roller grinder 4 and ingredient sector 1, further include having V-type powder concentrator 3, ingredient sector
Downstream and V-type powder concentrator feeding mouth unicom, the discharge port of vertical roller grinder is promoted with the feeding mouth of V-type powder concentrator by first defeated
Send machine 8 unicom, the coarse fodder discharge port of V-type powder concentrator and the feeding mouth of vertical roller grinder pass through 9 unicom of second elevating conveyor；
Circulating fan, air outlet and the V-type powder concentrator air inlet of circulating fan pass through cycle air hose unicom；
Dynamic powder concentrator, the feeding mouth of dynamic powder concentrator 2 and the fines discharge port unicom of V-type powder concentrator, dynamic powder concentrator
Coarse fodder discharge port and vertical roller grinder feeding mouth unicom, particularly dynamic powder concentrator coarse fodder outlet by elephant trunk with it is vertical
Roller grinds unicom.
Bag collector, the discharge port of dynamic powder concentrator and the entrance unicom of bag collector 7, the air outlet of bag collector with follow
The air inlet unicom of ring wind turbine 5.
The operating principle of the invention is：
A kind of vertical roller grinder method, the first batching in ingredient sector 1 of material,
Material after vertical roller grinder grinding is sorted by two benches, is completed respectively by V-type powder concentrator and dynamic powder concentrator.
Material after 4 grinding of vertical roller grinder is transported to by first elevating conveyor 8 in V-type powder concentrator 3, is matched with ingredient sector
The new material closed enters in V-type powder concentrator, and the first stage is sorted on to carry out in V-type powder concentrator, and the material after grinding passes through
Dispersion, is sorted under the action of wind-force and gravity, and coarse granule is sent into vertical roller grinder by second elevating conveyor 9 and carries out wheat-middlings again
Mill, the dusty gas and fine grained for going out V-type powder concentrator are introduced into progress second stage sorting in dynamic powder concentrator 2 from bottom.
The sorting of material is divided into roughing and selected in dynamic powder concentrator：Roughing belongs to static sorting, coarse granule from it is lower to
On strike counterattack cone and lose kinetic energy and fall into coarse powder；It is selected belong to dynamic sort, by high-speed rotating cage-type rotor control at
The fineness of product, makes qualified products enter in finished product, and the coarse powder of dynamic powder concentrator sorting feeds the powder again of vertical roller grinder 4 through elephant trunk
Mill.The static pressure of circulating fan 5 had not only been reduced in this way, but also can reduce by 5 ventilation quantity of circulating fan, it is high to solve circulating fan power consumption
Problem.
Dynamic powder concentrator connects bag collector 7 through pipeline, and bag collector collects the fine powder qualification production of dynamic powder concentrator sorting
Product 6.
The invention separates grinding region and sorting region so that wind caused by circulating fan is no longer pass through vertical
Roller is ground, and the material after roller milling mill, which is mechanically transported in powder concentrator, completes sorting.By traditional vertical roll mill apparatus
Geldart-D particle become mechanical conveying, ventilation quantity and ventilation resistance are reduced, to solve the problems, such as that circulating fan power consumption is high.Sorting
Region is made of V-type powder concentrator and dynamic powder concentrator, is sorted in two stages, and the efficiency of separation is greatly improved, and reduces grinding
Phenomenon, optimization material particles composition.
Although the preferred embodiment of the invention is described above in conjunction with attached drawing, the invention is not
It is confined to above-mentioned specific implementation mode, the above mentioned embodiment is only schematical, is not restrictive, ability
The those of ordinary skill in domain is not departing from the invention objective and claimed under the enlightenment of the invention
Under ambit, many forms can also be made, these are belonged within the protection domain of this patent.
Claims (1)
1. a kind of grinding process using vertical roller grinder system, it is characterised in that：The vertical roller grinder system includes vertical roller grinder
And ingredient sector, further include having：
V-type powder concentrator, the downstream of ingredient sector and the feeding mouth unicom of V-type powder concentrator, discharge port and the V-type of vertical roller grinder select powder
The feeding mouth of machine passes through second by first elevating conveyor unicom, the coarse fodder discharge port of V-type powder concentrator and the feeding mouth of vertical roller grinder
Elevating conveyor unicom；
The air outlet of circulating fan, V-type powder concentrator air inlet and circulating fan is by recycling air hose unicom；
High-efficient powder concentrator, the fines discharge port of V-type powder concentrator and the feeding mouth unicom of high-efficient powder concentrator, the coarse fodder of high-efficient powder concentrator
The feeding mouth unicom of discharge port and vertical roller grinder；
Bag collector, the discharge port of high-efficient powder concentrator and the entrance unicom of bag collector, the air outlet and circulated air of bag collector
The air inlet unicom of machine；
Grinding process includes：
Material batching in ingredient sector, the new material of ingredient sector cooperation is together with the material after vertical roller grinder grinding
V-type powder concentrator is fed, is sorted in V-type powder concentrator, coarse fodder re-starts powder through second elevating conveyor feeding vertical roller grinder
Mill, fines bring high-efficient powder concentrator by gas through pipeline from bottom, and the coarse powder of high-efficient powder concentrator sorting feeds vertical rolls through elephant trunk
Grinding, high-efficient powder concentrator connect bag collector to mill through pipeline again, and bag collector collects the fine powder qualification production of high-efficient powder concentrator sorting
Product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410203239.9A CN105080698B (en) | 2014-05-14 | 2014-05-14 | Use the grinding process of vertical roller grinder system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410203239.9A CN105080698B (en) | 2014-05-14 | 2014-05-14 | Use the grinding process of vertical roller grinder system |
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| Publication Number | Publication Date |
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| CN105080698A CN105080698A (en) | 2015-11-25 |
| CN105080698B true CN105080698B (en) | 2018-10-12 |
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Families Citing this family (8)
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|---|---|---|---|---|
| CN105396780B (en) * | 2015-12-22 | 2017-08-25 | 蔡赞区 | Wind area amplifying type is drawn to select powder dust-precipitator system and its select powder collecting method |
| CN109046561A (en) * | 2018-09-27 | 2018-12-21 | 天津水泥工业设计研究院有限公司 | A kind of steel slag final grinding system of roll squeezer |
| CN110102394B (en) * | 2019-06-14 | 2021-05-25 | 单臣良 | Peanut shell crushing and screening machine and screening process thereof |
| JP7330786B2 (en) * | 2019-07-05 | 2023-08-22 | 川崎重工業株式会社 | Method for operating pulverization system and method for producing powder |
| CN110860343A (en) * | 2019-11-15 | 2020-03-06 | 南京钜力智能制造技术研究院有限公司 | External circulation system and process for raw material vertical mill |
| CN111569994A (en) * | 2020-05-25 | 2020-08-25 | 中国中材国际工程股份有限公司 | Raw material roller press final grinding double-fan system and rolling method |
| CN113399032B (en) * | 2021-06-23 | 2023-01-31 | 中材（天津）粉体技术装备有限公司 | Efficient gradient combined grinding system and grinding process |
| CN114273008A (en) * | 2022-03-07 | 2022-04-05 | 浙江鑫旺钒业控股有限公司 | Rolling equipment suitable for vanadium ore powder process |
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|---|---|---|---|---|
| WO2003066220A1 (en) * | 2002-02-07 | 2003-08-14 | Ube Machinery Corporation, Ltd. | Milling method |
| CN101134175A (en) * | 2007-09-24 | 2008-03-05 | 天津水泥工业设计研究院有限公司 | Roller press combination grinding device |
| CN202655097U (en) * | 2012-06-26 | 2013-01-09 | 成都利君科技有限责任公司 | Iron mine dry method fine grinding system |
| CN103127995A (en) * | 2013-03-11 | 2013-06-05 | 南京凯盛国际工程有限公司 | Powder material preparation device and method thereof |
| CN203140121U (en) * | 2013-02-27 | 2013-08-21 | 南京凯盛国际工程有限公司 | Outer circulation vertical mill system |
| CN203874885U (en) * | 2014-05-14 | 2014-10-15 | 中材装备集团有限公司 | Vertical type roller mill system |
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2014
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003066220A1 (en) * | 2002-02-07 | 2003-08-14 | Ube Machinery Corporation, Ltd. | Milling method |
| CN101134175A (en) * | 2007-09-24 | 2008-03-05 | 天津水泥工业设计研究院有限公司 | Roller press combination grinding device |
| CN202655097U (en) * | 2012-06-26 | 2013-01-09 | 成都利君科技有限责任公司 | Iron mine dry method fine grinding system |
| CN203140121U (en) * | 2013-02-27 | 2013-08-21 | 南京凯盛国际工程有限公司 | Outer circulation vertical mill system |
| CN103127995A (en) * | 2013-03-11 | 2013-06-05 | 南京凯盛国际工程有限公司 | Powder material preparation device and method thereof |
| CN203874885U (en) * | 2014-05-14 | 2014-10-15 | 中材装备集团有限公司 | Vertical type roller mill system |
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| CN105080698A (en) | 2015-11-25 |
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Effective date of registration: 20180727 Address after: Tianjin District of Beichen city in the 300400 major North Road No. 1 Applicant after: Tianjin Cement Industry Design & Research Institute Co., Ltd. Applicant after: Sinoma Technology & Equipment Group Co., Ltd. Address before: Tianjin District of Beichen city in the 300400 major North Road No. 1 Applicant before: Sinoma Technology & Equipment Group Co., Ltd. |
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