CN105080698A - Vertical roller mill system and milling process thereof - Google Patents
Vertical roller mill system and milling process thereof Download PDFInfo
- Publication number
- CN105080698A CN105080698A CN201410203239.9A CN201410203239A CN105080698A CN 105080698 A CN105080698 A CN 105080698A CN 201410203239 A CN201410203239 A CN 201410203239A CN 105080698 A CN105080698 A CN 105080698A
- Authority
- CN
- China
- Prior art keywords
- powder concentrator
- vertical roller
- type powder
- unicom
- roller 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
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a vertical roller mill system. The vertical roller mill system comprises a vertical roller mill, a distribution mechanism, a V-type powder concentrator, a circulating fan, an efficient powder concentrator and a bag dust collector. The down stream of the distribution mechanism is communicated with a feeding inlet of the V-type powder concentrator. The discharging outlet of the vertical roller mill is communicated with the feeding inlet of the V-type powder concentrator through a first lifting conveyer. A coarse material outlet of the V-type powder concentrator is communicated with a feeding inlet of the vertical roller mill through a second lifting conveyer. An air inlet of the V-type powder concentrator is communicated with an air outlet of the circulating fan through a circulating air pipe. A fine material outlet of the V-type powder concentrator is communicated with a feeding inlet of the efficient powder concentrator, and a coarse material outlet of the efficient powder concentrator is communicated with the feeding inlet of the vertical roller mill. A discharging outlet of the efficient powder concentrator is communicated with the bag dust collector, and an air outlet of the bag dust collector is communicated with an air inlet of the circulating fan. The vertical roller mill system has the advantage of small ventilation resistance.
Description
Technical field
The invention belongs to the crushing technology field of material, particularly relates to a kind of vertical roller grinder system and grinding process.
Background technology
At present, vertical roller grinder is widely used in the grinding of the materials such as raw mineral materials, fuel, cement and slag.Because vertical roller grinder have employed bed-grinding principle, mill efficiency is higher, and compared with Ball Mill System, the grinding pow consumption of vertical roller grinder reduces by 50%, but electrical energy consumption of ventilation is higher than ball mill, so whole grinding system power consumption reduces about 30%.At present, vertical roller grinder system has become the preferred option of grinding various materials.
Traditional vertical roller grinder system is as shown in Figure 2: new material of feeding falls mill central authorities through airlock along tremie pipe together with outer circulation material, along with the rotation of mill, material, under the influence of centrifugal force from mill center to border movement, is subject to the extruding of grinding roller simultaneously and is pulverized.Material after pulverizing is taken up by the gas entered from vane in mill edge, and coarse granule falls mill grinding again, and relatively fine particle is brought to powder concentrator and carries out sorting, and meal returns mill, and qualified products are collected by bag collector.Partly the large granular materials of difficult mill falls into vane, enters external circulating system by scum mouth, again enters roller mill grinding together with new hello material after deironing.
But this system ventilation amount, flowing resistance are all comparatively large, and in actual production, circulating fan power consumption is higher.The material that particularly water content is very low for iron ore isodensity is higher, mill ventilation is mainly used in mass transport, and wind-power lifting is higher than energy consumption needed for mechanical lifting a lot.
Summary of the invention
The invention provides a kind of vertical roller grinder system and grinding process for solving in known technology the technical problem that exists, and the flowing resistance of this system is little.
A kind of vertical roller grinder system, comprise vertical roller grinder and ingredient sector, also include V-type powder concentrator, the downstream of ingredient sector and the feeding mouth UNICOM of V-type powder concentrator, the discharging opening of vertical roller grinder and the feeding mouth of V-type powder concentrator are by first elevating conveyor UNICOM, and the coarse fodder discharging opening of V-type powder concentrator and the feeding mouth of vertical roller grinder are by second elevating conveyor UNICOM;
Circulating fan, the air outlet of V-type powder concentrator air inlet and circulating fan is by circulation airduct UNICOM;
High-efficient powder concentrator, the fines discharging opening of V-type powder concentrator and the feeding mouth UNICOM of high-efficient powder concentrator, the coarse fodder discharging opening of high-efficient powder concentrator and the feeding mouth UNICOM of vertical roller grinder;
Bag collector, the discharging opening 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.
A kind of grinding process using above-mentioned vertical roller grinder system, material is batching in ingredient sector, the new material that ingredient sector coordinates feeds V-type powder concentrator together with the material after vertical roller grinder grinding, sorting is carried out in V-type powder concentrator, coarse fodder re-starts grinding through second elevating conveyor feeding vertical roller grinder, fines is brought high-efficient powder concentrator by gas from bottom through pipeline, the meal of high-efficient powder concentrator sorting is through elephant trunk feeding vertical roller grinder grinding again, high-efficient powder concentrator is through pipeline connecting bag dust-precipitator, bag collector collects the fine powder qualified products of high-efficient powder concentrator sorting.
The advantage that the invention has and good effect are:
Because the invention adopts technique scheme, separated in grinding region and a point favored area, grinding region, without Matter Transfer, reduces ventilation and flowing resistance greatly.Meanwhile, the Geldart-D particle of traditional vertical roll mill apparatus is become machinery conveying, thus solve the high problem of circulating fan power consumption.And new material directly feeds V-type powder concentrator, part fine powder is directly brought in dynamic powder concentrator, avoids the generation of crossing grinding phenomenon in grinding machine, thus reduces grinding pow consumption.In addition, the material after vertical roller grinder grinding, through two benches sorting, is completed by V-type powder concentrator and high-efficient powder concentrator respectively, and two benches sorting can improve the efficiency of separation greatly, reduces over grinding phenomenon, optimizes material particles composition.
In sum, the circulating fan air quantity of vertical roller grinder system reduces by 10% ~ 20%, and pressure can reduce by 20% ~ 30%, and power consumption can reduce by 40% ~ 50%.
Accompanying drawing explanation
Fig. 1 is the structural representation of the invention;
Fig. 2 is the structural representation of traditional vertical roller grinder system.
In figure: 1, ingredient sector; 2, high-efficient powder concentrator; 3, V-type powder concentrator; 4, vertical roller grinder; 5, circulating fan; 6, product; 7, bag collector; 8, first elevating conveyor; 9, second elevating conveyor.
Detailed description of the invention
For innovation and creation content, the Characteristic of the invention can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
As shown in Figure 1,
A kind of vertical roller grinder system, comprise vertical roller grinder 4 and ingredient sector 1, also include V-type powder concentrator 3, the downstream of ingredient sector and the feeding mouth UNICOM of V-type powder concentrator, the discharging opening of vertical roller grinder and the feeding mouth of V-type powder concentrator are by first elevating conveyor 8 UNICOM, and the coarse fodder discharging opening of V-type powder concentrator and the feeding mouth of vertical roller grinder are by second elevating conveyor 9 UNICOM;
Circulating fan, the air outlet of circulating fan and V-type powder concentrator air inlet are by circulation airduct UNICOM;
High-efficient powder concentrator, the feeding mouth of high-efficient powder concentrator 2 and the fines discharging opening UNICOM of V-type powder concentrator, the coarse fodder discharging opening of high-efficient powder concentrator and the feeding mouth UNICOM of vertical roller grinder, the coarse fodder outlet of high-efficient powder concentrator is by elephant trunk and vertical roller grinder UNICOM particularly.
Bag collector, the discharging opening of high-efficient powder concentrator and the entrance UNICOM of bag collector 7, the air outlet of bag collector and the air inlet UNICOM of circulating fan 5.
The operation principle of the invention is:
A kind of grinding process, material is batching in ingredient sector 1 first,
Material after vertical roller grinder grinding, through two benches sorting, is completed by V-type powder concentrator and high-efficient powder concentrator respectively.
Material after vertical roller grinder 4 grinding is transported in V-type powder concentrator 3 by first elevating conveyor 8, the new material coordinated with ingredient sector all enters in V-type powder concentrator, first stage is sorted on carries out in V-type powder concentrator, material after grinding is through dispersion, sorting is carried out under the effect of wind-force and gravity, coarse granule is sent into vertical roller grinder by second elevating conveyor 9 and is carried out grinding again, goes out the dusty gas of V-type powder concentrator and fine grained and is incorporated into high-efficient powder concentrator 2 from bottom and carries out second stage sorting.
In high-efficient powder concentrator, the sorting of material is divided into and roughly selects with selected: roughly select and belong to static sorting, and coarse granule is bottom-up to be struck counterattack cone and lose kinetic energy and fall into meal; Selectedly belong to dynamic sorting, the cage-type rotor by High Rotation Speed controls the fineness of finished product, makes qualified products enter into finished product, and the meal of high-efficient powder concentrator sorting is through elephant trunk feeding vertical roller grinder 4 grinding again.So both reduce the static pressure of circulating fan 5, circulating fan 5 ventilation can be reduced again, thus solve the high problem of circulating fan power consumption.
High-efficient powder concentrator is through pipeline connecting bag dust-precipitator 7, and bag collector collects the fine powder qualified products 6 of high-efficient powder concentrator sorting.
Grinding region and a point favored area separate by the invention, and the wind that circulating fan is extracted is no longer through vertical roller grinder, and the material after roller abrasive dust mill is transported in powder concentrator mechanically and completes sorting.The Geldart-D particle of traditional vertical roll mill apparatus is become machinery conveying, reduce ventilation and flowing resistance, thus solve the high problem of circulating fan power consumption.Point favored area is made up of V-type powder concentrator and high-efficient powder concentrator, carries out sorting in two stages, greatly improves the efficiency of separation, reduce over grinding phenomenon, optimizes material particles composition.
Although be described the preferred embodiment of the invention by reference to the accompanying drawings above; but the invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; be not restrictive; those of ordinary skill in the art is under the enlightenment of the invention; do not departing under the ambit that the invention aim and claim protect, can also make a lot of form, these all belong within the protection domain of this patent.
Claims (1)
1. a vertical roller grinder system, comprises vertical roller grinder and ingredient sector, it is characterized in that:
Also include:
V-type powder concentrator, the downstream of ingredient sector and the feeding mouth UNICOM of V-type powder concentrator, the discharging opening of vertical roller grinder and the feeding mouth of V-type powder concentrator are by first elevating conveyor UNICOM, and the coarse fodder discharging opening of V-type powder concentrator and the feeding mouth of vertical roller grinder are by second elevating conveyor UNICOM;
Circulating fan, the air outlet of V-type powder concentrator air inlet and circulating fan is by circulation airduct UNICOM;
High-efficient powder concentrator, the fines discharging opening of V-type powder concentrator and the feeding mouth UNICOM of high-efficient powder concentrator, the coarse fodder discharging opening of high-efficient powder concentrator and the feeding mouth UNICOM of vertical roller grinder;
Bag collector, the discharging opening 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.
Priority Applications (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 |
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105080698A true CN105080698A (en) | 2015-11-25 |
| CN105080698B CN105080698B (en) | 2018-10-12 |
Family
ID=54562560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410203239.9A Active CN105080698B (en) | 2014-05-14 | 2014-05-14 | Use the grinding process of vertical roller grinder system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105080698B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396780A (en) * | 2015-12-22 | 2016-03-16 | 蔡赞区 | Wind pulling area enlarged powder selecting dust collector system and powder selecting dust collecting method thereof |
| 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 |
| CN110102394A (en) * | 2019-06-14 | 2019-08-09 | 单臣良 | A kind of peanut shell grinding bolting mill and its sieving technology |
| 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 |
| CN113399032A (en) * | 2021-06-23 | 2021-09-17 | 中材（天津）粉体技术装备有限公司 | Efficient gradient combined grinding system and grinding process |
| CN114007751A (en) * | 2019-07-05 | 2022-02-01 | 川崎重工业株式会社 | Method for operating pulverizing system and method for producing powder |
| 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 |
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 |
| 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 |
-
2014
- 2014-05-14 CN CN201410203239.9A patent/CN105080698B/en active Active
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 |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396780A (en) * | 2015-12-22 | 2016-03-16 | 蔡赞区 | Wind pulling area enlarged powder selecting dust collector system and powder selecting dust collecting method thereof |
| 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 |
| CN110102394A (en) * | 2019-06-14 | 2019-08-09 | 单臣良 | A kind of peanut shell grinding bolting mill and its sieving technology |
| CN114007751A (en) * | 2019-07-05 | 2022-02-01 | 川崎重工业株式会社 | Method for operating pulverizing system and method for producing powder |
| CN114007751B (en) * | 2019-07-05 | 2023-12-05 | 川崎重工业株式会社 | Method for operating pulverizing 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 |
| WO2021093256A1 (en) * | 2019-11-15 | 2021-05-20 | 南京钜力智能制造技术研究院有限公司 | Raw material vertical mill external circulation system and process |
| 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 |
| CN113399032A (en) * | 2021-06-23 | 2021-09-17 | 中材（天津）粉体技术装备有限公司 | Efficient gradient combined grinding system and grinding process |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105080698B (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105080698B (en) | Use the grinding process of vertical roller grinder system | |
| CN103537355B (en) | System and method for preparing ultrafine pulverized coal | |
| CN102389852B (en) | Multitime-separation high-efficient cement vertical mill | |
| CN102179272B (en) | Final grinding system of rolling machine in steel slag and mineral slag micropowder production line | |
| US20150053800A1 (en) | Plant for crushing mineral materials | |
| CN203695175U (en) | Full-automatic grinding and classifying production line for ultra-fine calcium carbonate powder | |
| CN201120305Y (en) | Full-automatic product line for producing spherical plumbago ultramicro powder body | |
| CN202575424U (en) | Pneumatic conveyor in novel pulverizing system | |
| CN202028421U (en) | Final milling system of roll squeezer in steel slag and mineral slag micro powder production line | |
| CN204933577U (en) | Vertical Mill device | |
| CN203917150U (en) | Novel pair of transmission environment protection energy-saving efficient separator | |
| CN203874873U (en) | Nickel slag grinding system | |
| CN204996527U (en) | Disc type fluid energy mill | |
| CN203874885U (en) | Vertical type roller mill system | |
| CN104475195A (en) | Vertical roll mill air-distribution process for adjusting cement particle gradation, and device for achieving process | |
| CN205550427U (en) | Half whole grinding of cement grinds and ball -milling combination system immediately | |
| CN202538895U (en) | Vertical dry pulverizer system | |
| CN209501901U (en) | A kind of slag grinding flour device | |
| CN207839175U (en) | A kind of device of dry method ore grinding selection by winnowing magnetic separation for iron ore | |
| CN208213401U (en) | A kind of vertical spindle coal pulveriser pebble coal processing unit | |
| CN207357597U (en) | The special powder concentrator of sandstone | |
| CN208642914U (en) | A kind of high-efficiency pulverized coal preparation system | |
| CN104759334B (en) | High efficiency medium-speed grinding device | |
| CN204638326U (en) | A kind of slag milling control system of modified node method | |
| CN104588191B (en) | Medium-speed abrasive flow field optimization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
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. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |