CN105435905B - A kind of dual output mode Vertical Mill - Google Patents

A kind of dual output mode Vertical Mill Download PDF

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Publication number
CN105435905B
CN105435905B CN201510938980.4A CN201510938980A CN105435905B CN 105435905 B CN105435905 B CN 105435905B CN 201510938980 A CN201510938980 A CN 201510938980A CN 105435905 B CN105435905 B CN 105435905B
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CN
China
Prior art keywords
mill
grinding
powder
stage separation
conveying
Prior art date
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Application number
CN201510938980.4A
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Chinese (zh)
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CN105435905A (en
Inventor
胡泽武
胡其军
严万国
代建新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Lingyang Cement Engineering Technology CO., Ltd.
Loesche (Shanghai) Co., Ltd.
Original Assignee
JIANGSU LINGYANG CEMENT ENGINEERING TECHNOLOGY Co Ltd
LOESCHE (SHANGHAI) CO Ltd
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Application filed by JIANGSU LINGYANG CEMENT ENGINEERING TECHNOLOGY Co Ltd, LOESCHE (SHANGHAI) CO Ltd filed Critical JIANGSU LINGYANG CEMENT ENGINEERING TECHNOLOGY Co Ltd
Priority to CN201510938980.4A priority Critical patent/CN105435905B/en
Publication of CN105435905A publication Critical patent/CN105435905A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24Passing gas through crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C2015/002Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs combined with a classifier
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/10Production of cement, e.g. improving or optimising the production methods; Cement grinding

Abstract

A kind of dual output mode Vertical Mill, it includes foundation base (1), basic framework (2), main body rack (3), hydraulic system (4), mill transmission device (5), mill (6), collet (8), it pressurizes rocker arm (9), grinding roller (10), air inlet duct (11) and grinding machine shell (12), the transmission device (5), mill (6), collet (8), it pressurizes rocker arm (9), grinding roller (10) is crushed in grinding machine to entering to grind raw material, it is characterized by: mill (6) the milling zone periphery is equipped with vane (7), vane (7) is located in grinding machine shell (12), the material of crushing is brought into adjustable machine for multi-class selective separation of powder (13) under certain air velocity in mill carries out thickness feed separation.The present invention realizes Vertical Mill and exports two kinds of fineness grade products, and the fineness of materials of both products and output quantity are adjustable.Give full play to the advantages of vertical mill grinding cement grog grinding is high-efficient, low energy consumption.

Description

A kind of dual output mode Vertical Mill
Technical field
It is specifically exactly to be related to for metallic ore, nonmetallic ore, energy the invention belongs to material milling apparatus technical field The grinding system that the various materials of the industries such as source, new material are milled is used for cement industry pulverizing cement clinker more particularly, to one kind Dual output mode grinding system dual output mode Vertical Mill.
Background technique
Current cement industry pulverizing cement clinker is widely used independent ball mill, ball mill and roll squeezer or ball mill and stands Grind the grinding mode combined.It is well known that ball mill mill efficiency is low, energy consumption height is its distinguishing feature, conventional bead mill institute Shattering, working principle and the design structure of use are the basic reasons for causing ball mill capacity usage ratio extremely low.But in view of Industry, ball mill will not be eliminated completely again, will also be in extensive, long-term existence cement grinding industry system both domestic and external.
In order to improve the mill efficiency in ball mill grinding system, attenuating energy consumption all uses pre- grinding technology technique now, I.e. by the high roll squeezer of mill efficiency or Vertical Mill come to clinker carry out precomminution to certain fineness after again by ball mill It completes final crush and reaches cement fineness requirement.But roll squeezer does not have drying, selects powder point due to itself only having crushing function From ability, do not adapt to high-moisture feed proportioning, and be necessary for it and be reconfigured additional powder concentrator, these influence whether be System mill efficiency.It is industry insurmountable technology at present along with the features such as roll squeezer equipment fault takes place frequently, and maintenance cost is high Problem.Though traditional Vertical Mill itself has drying, selects powder function, as just the precomminution equipment of ball mill, its height is hindered The performance of effect, characteristics of energy saving.
Summary of the invention
Though the purpose of the present invention is to above-mentioned existing traditional Vertical Mills itself to have drying, selects powder function, only As the precomminution equipment of ball mill, the technological deficiency of grinding machine utilization efficiency can not be effectively improved, a kind of dual output mode is provided Vertical Mill, it can be used to the dual output mode grinding system of cement industry pulverizing cement clinker, whole system is by Vertical Mill part Final grinding and the pre- grinding of ball mill part combine in a system, and recycle progress, improve mill efficiency, drop Low system energy consumption improves product quality.
Technical solution
In order to achieve the above technical purposes, a kind of dual output mode Vertical Mill that the present invention designs, it includes foundation base, basis Frame, main body rack, hydraulic system, mill transmission device, mill, collet, pressurization rocker arm, grinding roller, air inlet duct and grinding machine shell Body, the transmission device, mill, collet, pressurization rocker arm, grinding roller are crushed in grinding machine to entering to grind raw material, it is characterised in that: institute Mill milling zone periphery is stated equipped with vane, vane is located in grinding machine shell, can be by the object of crushing under certain air velocity in mill Material strip enters adjustable machine for multi-class selective separation of powder and carries out thickness feed separation.
Further, the adjustable machine for multi-class selective separation of powder includes feeding pipe device, bearing block, dynamic rotor, multistage point From particle size adjustment system, multi-stage separation conveying device, powder concentrator transmission device and shell, feeding pipe device top is fixed on On bearing block outer housing, decline passway, bearing block rotation are provided for material downward through bearing block and multi-stage separation conveying device Body top is connect with powder concentrator transmission device by bolt pair, and rotary body lower part is connect with dynamic rotor by bolt pair, bearing Seat rotary body, which is formed a connecting link, provides rotation torque for dynamic rotor, and bearing block static support body is connected by flange with shell, institute It states multi-stage separation particle size adjustment system and is fixedly mounted and be located on the outside of dynamic rotor inside housings, multi-stage separation conveying device and more Grade separation particle size adjustment system is corresponding up and down, and multi-stage separation conveying device primary screener material discharge port is located on grinding machine mill Side.
Further, the vane has the function of wind-guiding and adjusts air velocity.
Further, the feeding pipe device is located at adjustable machine for multi-class selective separation of powder center.
Further, the multi-stage separation conveying device includes dynamic fluidized device, coarseparticulate material conveying device and finished product Conveying device.
Beneficial effect
A kind of dual output mode Vertical Mill provided by the invention realizes Vertical Mill two kinds of fineness products of output and meets quality and wants The purpose asked, and the fineness of materials of both products and output quantity are adjustable.Give full play to vertical mill grinding clinker powder Grind the advantages of high-efficient, low energy consumption.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the embodiment of the present invention.
Attached drawing 2 is the H-H of Fig. 1 to cross-sectional view.
Specific embodiment
With reference to the accompanying drawings and examples, it elaborates to the present invention.
As shown in Fig. 1, a kind of dual output mode Vertical Mill, it includes foundation base 1, basic framework 2, main body rack 3, hydraulic System 4, mill transmission device 5, mill 6, collet 8, pressurization rocker arm 9, grinding roller 10, air inlet duct 11 and grinding machine shell 12, it is described Transmission device 5, mill 6, collet 8, pressurization rocker arm 9, grinding roller 10 are crushed in grinding machine to entering to grind raw material, it is characterised in that: institute 6 milling zone periphery of mill is stated equipped with vane 7, vane 7 is located in grinding machine shell 12, can be by powder energy under certain air velocity in mill It brings the material of crushing into adjustable machine for multi-class selective separation of powder 13 and carries out thickness feed separation.
The adjustable machine for multi-class selective separation of powder 13 include feeding pipe device 1301, bearing block 1302, dynamic rotor 1303, Multi-stage separation particle size adjustment system 1304, multi-stage separation conveying device 1305, powder concentrator transmission device 1306 and shell 1307, institute It states 1301 top of feeding pipe device to be fixed on 1302 outer housing of bearing block, be conveyed downward through bearing block 1302 and multi-stage separation Device 1305 provides decline passway for material, and 1302 rotary body top of bearing block and powder concentrator transmission device 1306 pass through bolt pair Connection, rotary body lower part are connect with dynamic rotor 1303 by bolt pair, and 1302 rotary body of bearing block is formed a connecting link dynamically to turn Son 1303 provides rotation torque, and 1302 static support body of bearing block is connected by flange with shell 1307, the multi-stage separation grain Diameter regulating system 1304 is fixedly mounted on shell 1307 and is internally located at 1303 outside of dynamic rotor, multi-stage separation conveying device 1305 Corresponding with about 1304 system of multi-stage separation particle size adjustment, 1305 primary screener material discharge port of multi-stage separation conveying device is located at It links together above grinding machine mill 6.
The vane 7 has the function of wind-guiding and adjusts air velocity.
The feeding pipe device 1301 is located at adjustable 13 center of machine for multi-class selective separation of powder.
The multi-stage separation conveying device 1305 includes dynamic fluidized device 1305a, coarseparticulate material conveying device 1305b With finished conveying device 1305c.
The course of work of the invention, which is clinker and ingredient, enters 6 surface of mill by powder concentrator feeding pipe device 1301, Mill transmission device 5 is rotated about axis with movable grinding disc 6 allows the material on 6 surface of mill to generate centrifugal force effect, and such material is just In the grinding area formed into mill 6, collet 8, grinding roller 10, material is by external force under the action of pressurizeing rocker arm 9 and grinding roller 10 The double action squeezed with storeroom is rolled to be crushed, the air-flow containing certain temperature and speed passes through vane 7 from air inlet duct 11, Pulverized coarse granule, which imported into 6 grinding area of mill by vane 7, to be continued to be crushed, light-weight granule materials from air-flow bring into It is upper to enter in multistage adjusting powder concentrator 13, first it is directly entered powder concentrator multi-stage separation particle size adjustment system 1304.The powder concentrator The outer ring annular slab formula blade 1304a of multi-stage separation particle size adjustment system 1304 to enter powder concentrator in multistage partial size material into The primary separation of row, the material being separated i.e. final finished material and the mixture of semi-product material enter the board-like leaf of inner ring annular Piece 1304b is separated again, and it is defeated by coarse granular material to separate remaining coarse granular material by outer ring annular slab formula blade 1304a Device 1305b is sent to enter vertical mill grinding area again by grinding.Into inner ring annular plate blade 1304b final finished material and The mixture of semi-product material isolates final finished material and semi-finished product object under itself and 1303 synergy of dynamic rotor Material, final finished material and air-flow, which are mixed to be exported by finished conveying device 1305c to rear outside powder concentrator, enters grinding system In process flow of gathering dust in system, and semi-product material is also output to outside powder concentrator by dynamic fluidized transportation system 1305a and is entered In the process flow of ball mill grinding.
As shown in Fig. 2, it is described in further detail the present invention is how to accomplish the output of Vertical Mill secondary product and adjust.Gas Stream and mixtures of materials ABC at different levels enter powder concentrator the by the gap between each pair of blade group of outer ring annular slab formula blade 1304a One powder-separating area XX, in this powder-separating area, material bears the effect of airflow buoyancy and self gravity.Under the drive of air-flow, grain After the maximum coarse granular material of diameter contacts with the linear leaf of outer ring annular slab formula blade 1304a first and hits its surface stall It falls down, meanwhile, the short blade of outer ring annular slab formula blade 1304a causes to produce from the air-flow entered between each pair of blade group gap It gives birth to the vortex physical effect of WW in regional area and coarse granule is caused to fall under self gravitation effect in the instantaneous stall in this region Get off, other small particle material A B are brought away from the first powder-separating area XX under airflow buoyancy effect since quality is small, that is, generate and divide From effect.The impact force on its surface of material impacting is controlled by the angle [alpha] of the linear leaf of outer ring annular slab formula blade 1304a With the time started to control the partial size (μm) for falling material or fineness (cm2/g) and total amount (t/h), pass through outer ring annular slab formula The angle beta of the short blade of blade 1304a controls swirl force size and eddy region area to control WW in eddy region Fall the particle size (μm) or fineness (cm2/g) and total amount (t/h) of material, the mixture AB of Vertical Mill final finished and semi-finished product Fineness and yield have obtained preliminary adjusting in the first powder-separating area XX.Mixture AB enters by inner ring ring-type plate blade later The second powder-separating area YY that 1304b and dynamic rotor 1303 form, in this powder-separating area, material bears airflow buoyancy, itself weight The effect of power and centrifugal force.The rotation of dynamic rotor 1303 generates centrifugal force effect to the material in the second powder-separating area YY, and quality is big I.e. the big material of partial size hits the guide vane of inner ring ring-type plate blade 1304b first and causes stall since centrifugal force is big It falls, other small particle materials are brought away from the second powder-separating area YY under airflow buoyancy F effect since quality is small.From interior loop Material under plate blade 1304b is fallen is semi-product material B, and the material being brought away under airflow buoyancy effect is as final Finished product materials A.The impact force and beginning on its surface of material impacting are controlled by adjusting the angle γ of inner ring ring-type plate blade Time falls the partial size (μm) or fineness (cm2/g) and total amount (t/h) of material B to control, as Vertical Mill semi-finished product.Pass through 1303 rotational speed of dynamic rotor is adjusted to control the centrifugal force of different-grain diameter material, so that it is hit the strength of guide vane and exists Difference, to control the partial size (μm) or fineness (cm2/g) and total amount (t/h) of material A, as Vertical Mill final finished.
The present embodiment structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification revealed interior Hold, so that those skilled in the art understands and reads, is not intended to limit the invention enforceable qualifications, therefore does not have skill Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influencing the present invention Under raw effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover. Meanwhile cited such as "upper", "lower", "left", "right", " centre ", " clockwise ", the use of " counterclockwise " in this specification Language is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or tune It is whole, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.

Claims (3)

1. a kind of dual output mode Vertical Mill, it include foundation base (1), basic framework (2), main body rack (3), hydraulic system (4), Mill transmission device (5), mill (6), collet (8), pressurization rocker arm (9), grinding roller (10), air inlet duct (11) and grinding machine shell (12), the transmission device (5), mill (6), collet (8), pressurization rocker arm (9), grinding roller (10) are to entering to grind raw material in grinding machine It crushing, it is characterised in that: mill (6) the milling zone periphery is equipped with vane (7), and vane (7) is located in grinding machine shell (12), Under certain air velocity into the material of crushing can be brought to adjustable machine for multi-class selective separation of powder (13) in mill and carry out thickness feed separation;
The adjustable machine for multi-class selective separation of powder (13) includes feeding pipe device (1301), bearing block (1302), dynamic rotor (1303), multi-stage separation particle size adjustment system (1304), multi-stage separation conveying device (1305), powder concentrator transmission device (1306) With shell (1307), feeding pipe device (1301) top is fixed on bearing block (1302) outer housing, downward through bearing Seat (1302) and multi-stage separation conveying device (1305) are that material provides decline passway, bearing block (1302) rotary body top with select Powder machine transmission device (1306) is connected by bolt pair, and rotary body lower part is connect with dynamic rotor (1303) by bolt pair, axis It holds seat (1302) rotary body and forms a connecting link and provide rotation torque for dynamic rotor (1303), bearing block (1302) static support body is logical It crosses flange to be connected with shell (1307), the multi-stage separation particle size adjustment system (1304) is fixed on shell (1307) and is internally located at On the outside of dynamic rotor (1303), multi-stage separation conveying device (1305) is right up and down with multi-stage separation particle size adjustment system (1304) It answers, multi-stage separation conveying device (1305) primary screener material discharge port is located above grinding machine mill (6);
The multi-stage separation conveying device (1305) includes dynamic fluidized device (1305a), coarseparticulate material conveying device (1305b) and finished conveying device (1305c).
2. a kind of dual output mode Vertical Mill according to claim 1, it is characterised in that: the vane (7) have wind-guiding with Adjust air velocity function.
3. a kind of dual output mode Vertical Mill according to claim 1, it is characterised in that: feeding pipe device (1301) position In adjustable machine for multi-class selective separation of powder (13) center.
CN201510938980.4A 2015-12-15 2015-12-15 A kind of dual output mode Vertical Mill Active CN105435905B (en)

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Application Number Priority Date Filing Date Title
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CN105435905B true CN105435905B (en) 2018-12-28

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105709883A (en) * 2016-04-05 2016-06-29 江苏羚羊水泥工程技术有限公司 Cement semi-final powder milling vertical milling and ball milling combination system
CN106040368A (en) * 2016-08-23 2016-10-26 南京凯盛国际工程有限公司 Screening device for materials in vertical mill
CN106378236A (en) * 2016-08-29 2017-02-08 山东玻纤集团股份有限公司 Vertical grinding machine for glass fiber
CN112044533A (en) * 2020-08-14 2020-12-08 南京钜力智能制造技术研究院有限公司 Intelligent vertical grinding device and grinding method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101380606A (en) * 2007-09-06 2009-03-11 上海重型机器厂有限公司 Bowl type half-speed grinding mill
CN201807409U (en) * 2010-09-29 2011-04-27 莱歇研磨机械制造(上海)有限公司 Polygonal adjustable air ring for roller type mill
CN103285996B (en) * 2013-06-04 2015-12-09 合肥中亚建材装备有限责任公司 Produce the vertical mill of multiple granularity product simultaneously
JP6202259B2 (en) * 2013-07-10 2017-09-27 株式会社Ihi Vertical mill and vertical mill classifier
CN203695194U (en) * 2014-02-24 2014-07-09 北京电力设备总厂 Efficient slag powder selecting machine
CN205340923U (en) * 2015-12-15 2016-06-29 莱歇研磨机械制造(上海)有限公司 Two output mode grind immediately

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Effective date of registration: 20160712

Address after: 200941 Shanghai city Baoshan District Industrial Park Jin Yang Road No. 568

Applicant after: Loesche (Shanghai) Co., Ltd.

Applicant after: Jiangsu Lingyang Cement Engineering Technology CO., Ltd.

Address before: 200941 Shanghai city Baoshan District Industrial Park Jin Yang Road No. 568

Applicant before: Loesche (Shanghai) Co., Ltd.

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