CN105855000A - Ore grinding method adopting ceramic dielectric applied to tower mill - Google Patents

Ore grinding method adopting ceramic dielectric applied to tower mill Download PDF

Info

Publication number
CN105855000A
CN105855000A CN201610356983.1A CN201610356983A CN105855000A CN 105855000 A CN105855000 A CN 105855000A CN 201610356983 A CN201610356983 A CN 201610356983A CN 105855000 A CN105855000 A CN 105855000A
Authority
CN
China
Prior art keywords
grinding machine
tower grinding
tower
ceramic body
ceramic
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
Application number
CN201610356983.1A
Other languages
Chinese (zh)
Other versions
CN105855000B (en
Inventor
范亚强
王绍兴
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.)
JINGDEZHEN BETTERWEAR NEW MATERIALS CO Ltd
Original Assignee
JINGDEZHEN BETTERWEAR NEW MATERIALS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JINGDEZHEN BETTERWEAR NEW MATERIALS CO Ltd filed Critical JINGDEZHEN BETTERWEAR NEW MATERIALS CO Ltd
Priority to CN201610356983.1A priority Critical patent/CN105855000B/en
Publication of CN105855000A publication Critical patent/CN105855000A/en
Application granted granted Critical
Publication of CN105855000B publication Critical patent/CN105855000B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18Details
    • B02C17/20Disintegrating members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/10Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention relates to an ore grinding method adopting a ceramic dielectric applied to a tower mill. According to the ore grinding method, the ore grinding dielectric is a ceramic body with the Mohs hardness being 7-9 and the density being 3.0-6.0 g/cm<3>, and the tower mill is filled with the ceramic body with a certain filling ratio for grinding materials. The ceramic body which is high in hardness and abrasion resistance and medium and low in density is used as the ore grinding dielectric, almost all defects of high-chromium steel balls used as the ore grinding dielectric can be overcome, and the purposes of efficient grinding, cost reduction and the like can be achieved.

Description

The milling method that ceramic dielectric is applied in tower grinding machine
Technical field
The invention belongs to ore grinding field, especially relate to what ceramic dielectric was applied in tower grinding machine Milling method.
Background technology
Grinding operation is as the preparation work of sorting mineral, and it occupies of crucial importance in mining processing industry Status.The quality of Grinding producation quality directly affects the height of ore dressing plant sorting index, ore grinding mistake Power consumption, metal consumption in journey occupy the highest ratio in the operating cost of ore dressing plant.Tower grinds Machine obtains as the new equipment in ore grinding field in the last few years, its higher grinding efficiency and energy-saving effect Approve widely.Therefore, tower grinding machine is just becoming replacement ball mill and is being used as fine grinding stage grinding equipment New equipment.The current milling medium of tower grinding machine is high chrome ball, but uses steel ball to do in tower grinding machine In place of milling medium comes with some shortcomings, it is mainly reflected in:
1, when steel ball does milling medium, the operation power of grinding machine is bigger.
2, the weight of steel ball is big, causes the moment of torsion on tower grinding machine shaft relatively big, and mill speed is low, The grinding efficiency of tower grinding machine can not obtain continuing to improve.
When 3, starting at the beginning of grinding machine, easily getting rusty due to steel ball and harden, start power excessive, grinding machine starts Difficulty.Steel ball is loosened sometimes for carrying out water under high pressure in advance.
4, the abrasion of steel ball are high, and the steel consumption cost that ore grinding causes is the biggest.
Summary of the invention
In order to overcome the deficiency of above-mentioned prior art, it is an object of the invention to use a kind of high rigidity, The middle low-density milling medium of high abrasion, it is possible to solve steel ball be used as milling medium time nearly all Deficiency, and high-efficient grinding, cost-effective milling method can be reached.
The purpose of the present invention is achieved by the following technical programs:
The milling method that ceramic dielectric is applied in tower grinding machine, this milling method is to select Mohs' hardness It is 3.0-6.0g/cm for 7-9, density3Ceramic body as milling medium, load with certain pack completeness Material is ground by tower grinding machine.
Preferably, this milling method be select Mohs' hardness for more than 8 and less than or equal to 9, Density is 3.0-4.5g/cm3Ceramic body as milling medium, be filled in tower mill with certain pack completeness Material is ground by machine.
Further, described ceramic body is spherical, and it has three kinds not when inserting tower grinding machine first With dimensions, wherein, the ceramic body sphere diameter of various sizes specification and various sizes specification The percentage ratio that ceramic body consumption accounts for whole ceramic body gross weight is as follows:
Sphere diameter is Ceramic Balls 25-35% of 18-20mm;
Sphere diameter is Ceramic Balls 25-35% of 10-13mm;
Sphere diameter is Ceramic Balls 25-35% of 6-8mm.
Further, described ceramic body pack completeness in tower grinding machine is tower mill volume 40%-70%.
Further, the rotating speed of described tower grinding machine is 20-100r/min.
Further, the pitch of described tower grinding machine internal coiling agitator is 40-150cm.
Further, in described tower grinding machine, ceramic body is 2:1-5:1 with the weight ratio of material
Further, in described tower grinding machine, ore milling concentration controls at 55-70%.
Further, described material together can add with described ceramic body before tower grinding machine starts Enter, it is possible to be individually added into certain delivery rate after tower grinding machine starts.
Further, described ceramic body can be single material, it is also possible to be two kinds or two kinds with The mixture of upper material.
Compared with prior art, the present invention uses high rigidity, high abrasion and middle low-density instead Ceramic body do milling medium, have the advantage that
Tower grinding machine Mill power rate can be reduced, reduce the abrasion of medium, thus be substantially reduced Ore grinding cost;The moment of torsion acted on tower grinding machine shaft can be reduced, reduce tower grinding machine Rate of breakdown;Ceramic dielectric density is little and non-corrosive, and tower grinding machine can directly initiate, It is not added with any ancillary method so that tower grinding machine is simple to operate;In the middle of in ore milling product easily Select grain size content high, follow-up sorting operation.
Detailed description of the invention
The milling method that the ceramic dielectric provided according to the present invention is applied in tower grinding machine, this ore grinding Method be select Mohs' hardness be 7-9, density be 3.0-6.0g/cm3Ceramic body as ore grinding be situated between Matter, is filled in tower grinding machine with certain pack completeness and grinds material.Specifically can include as follows Step: 1) selection Mohs' hardness is 7-9, density is 3.0-6.0g/cm3Ceramic body as ore grinding Medium, and select suitable ceramic body size and various sizes of ceramic body is joined by a certain percentage Ratio;2) ceramic body good for proportioning is added in tower grinding machine according to certain pack completeness;3) start Tower grinding machine, and adjust tower grinding machine to suitable rotating speed, make the ceramic body in tower grinding machine due to tower grinding machine The material added is ground by the stirring action of internal coiling agitator.The present invention use instead high rigidity, High abrasion and in low-density ceramic body as milling medium, be situated between with high chrome ball milling compared with, pottery Porcelain body wear extent in grinding process is the least, and due to bigger with the difference of hardness treating grind materials, Therefore grinding efficiency is higher, simultaneously in the case of equal fill volume, the filling weight of ceramic body is more Few, it is thus possible to reduce the operation power of grinding machine, save electric energy energy consumption etc..
Preferably, this milling method can select further Mohs' hardness be more than 8 and less than or Equal to 9, density be 3.0-4.5g/cm3Ceramic body as milling medium, load with certain pack completeness Material is ground by tower grinding machine.
Preferably, described ceramic body is spherical, and its size and proportioning can be according to the classes treating grind materials Type and corresponding input and output material fineness determine.Charging fineness is the thickest, corresponding selection large scale ball. When charging fineness is thick and discharge fineness is thick (broken ratio is little), corresponding large scale ball proportioning is many, enters Thin and the broken ratio of material fineness, time big, selects small size ball and small size ball proportioning many.The most suitable Treating that grind materials is charging-0.074mm content more than 50%, discharge fineness can be controlled according to sorting needs System, but discharge fineness is the thinnest, and energy-saving effect is the highest.The present invention is for improving grinding efficiency and energy-conservation Amplitude, is optimized improvement to the selection of ceramic body size and the proportioning of different size ceramic body, Specifically, ceramic body has three kinds of different dimensions when inserting tower grinding machine first, wherein, The ceramic body sphere diameter (meaning diameter) of various sizes specification and the ceramic body of various sizes specification are used The percentage ratio that amount accounts for whole ceramic body gross weight is as follows:
Sphere diameter is Ceramic Balls 25-35% of 18-20mm;
Sphere diameter is Ceramic Balls 25-35% of 10-13mm;
Sphere diameter is Ceramic Balls 25-35% of 6-8mm.
In said ratio, the accounting of bead, no less than the accounting of big ball, can not only increase milling medium With treat the contact area of grind materials, improve grinding efficiency, and can further ensure that and treat grind materials Discharge fineness.
Further, owing to the density of ceramic body is relatively low, the weight in equal unit volume Measure lower than high chrome ball, therefore can appropriateness improve ceramic body pack completeness, with obtain grind The operation power of grinding machine is not increased on the basis of mill improved efficiency.In the present invention, described Ceramic body pack completeness in tower grinding machine is the 40%-70% of tower mill volume, and preferred value is 50%-60%.This pack completeness value is ceramic body value range when adding tower grinding machine first, after being also Because of ceramic body, continuous grinding process occurs that loss needs to carry out supplementing reference value during filling to it, According to this reference value, user can show that the active loss amount of ceramic body is supplemented accordingly.Additionally, When supplementing filling ceramic body, only need to supplement the maximum ceramic body of sphere diameter specification i.e. according to above-mentioned pack completeness Can, the ceramic body of other sphere diameter specification can not supplement.
Further, due to the lighter in weight of ceramic body, pretend and be used in spiral on tower grinding machine Moment of torsion on rotating shaft of stirrer is less, thus for improving tower mill speed, makes tower grinding machine ore grinding imitate Rate is continued to lift up the condition of creating.In the present invention, the rotating speed of described tower grinding machine is 20-100r/min, preferred value is 30-80r/min.
Further, because ceramic dielectric active force upwards increases after tower grinding machine improves rotating speed Greatly, for controlling the movement locus of medium, it is ensured that higher grinding efficiency, therefore tower mill can suitably be reduced The pitch of machine internal coiling agitator.In the present invention, the pitch of described tower grinding machine internal coiling agitator For 40-150cm, preferred value is 50-100cm.
Further, in described tower grinding machine, ceramic body is 2:1-5:1 with the weight ratio of material, Preferred value is 3:1-4:1.This ratio can be by the fineness requirement of the hardness and charging and discharging treating grind materials Concrete decision, so that it is determined that disposal ability during the platform of grinding machine.
Further, it is contemplated that the weight of ceramic body relatively steel ball is light, active force relatively steel ball Little, therefore can suitably reduce the ore milling concentration (thing to be ground contained by i.e. in ore pulp in tower grinding machine The percent of material quality).In the present invention, in described tower grinding machine, ore milling concentration controls 55-70%, preferred value is 55-60%, to ensure grinding efficiency.
Further, described material together can add with described ceramic body before tower grinding machine starts Entering, this mode is suitable for being interrupted mill.Described material also can be necessarily to give after tower grinding machine starts steadily Material speed is individually added into, and this mode is suitable for mill continuously.
Further, described ceramic body can be single material, it is also possible to be two kinds or two kinds with The mixture of upper material.For example, it may be aluminium oxide ceramics, Zirconium silicate ceramic, zirconia ceramics In the mixture of any one or any two.
Example: carry out magnetic iron ore coarse concentrate regrinding test in 120L tower grinding machine, selects Tri-kinds of sized ceramics balls of 20mm, 13mm, 8mm are added according to 1:1:1, filling Rate is identical with steel ball is 60%.The disposal ability of tower grinding machine is 141kg/h, and tower grinds Machine power consumption Ceramic Balls, than the low 20%-30% of steel ball, acts on the torsion on tower milling spindle When square is steel ball 50%, centre easily selects grain size content to improve 1 to 2 hundred than during steel ball Branch.
As described above, only presently preferred embodiments of the present invention, when can not be with this Limit the scope that the present invention implements, the most generally according to scope of the present invention patent and invention The simple equivalence that description is made changes and modifies, and the most still belongs to patent of the present invention and contains In the range of lid.

Claims (10)

1. the milling method that ceramic dielectric is applied in tower grinding machine, it is characterised in that: this milling method be select Mohs' hardness be 7-9, density be 3.0-6.0g/cm3Ceramic body as milling medium, be filled in tower grinding machine with certain pack completeness and material ground.
The milling method that the most according to claim 1, ceramic dielectric is applied in tower grinding machine, it is characterised in that: this milling method be select Mohs' hardness for more than 8 and less than or equal to 9, density be 3.0-4.5g/cm3Ceramic body as milling medium, be filled in tower grinding machine with certain pack completeness and material ground.
The milling method that ceramic dielectric the most according to claim 1 or claim 2 is applied in tower grinding machine, it is characterized in that: described ceramic body is spherical, it has three kinds of different dimensions when inserting tower grinding machine first, wherein, to account for the percentage ratio of whole ceramic body gross weight as follows for the ceramic body sphere diameter of various sizes specification and the ceramic body consumption of various sizes specification:
Sphere diameter is Ceramic Balls 25-35% of 18-20mm;
Sphere diameter is Ceramic Balls 25-35% of 10-13mm;
Sphere diameter is Ceramic Balls 25-35% of 6-8mm.
The milling method that ceramic dielectric the most according to claim 1 or claim 2 is applied in tower grinding machine, it is characterised in that: described ceramic body pack completeness in tower grinding machine is the 40%-70% of tower mill volume.
The milling method that ceramic dielectric the most according to claim 1 or claim 2 is applied in tower grinding machine, it is characterised in that: the rotating speed of described tower grinding machine is 20-100r/min.
The milling method that ceramic dielectric the most according to claim 1 or claim 2 is applied in tower grinding machine, it is characterised in that: the pitch of described tower grinding machine internal coiling agitator is 40-150cm.
The milling method that ceramic dielectric the most according to claim 1 or claim 2 is applied in tower grinding machine, it is characterised in that: in described tower grinding machine, ceramic body is 2:1-5:1 with the weight ratio of material.
The milling method that ceramic dielectric the most according to claim 1 or claim 2 is applied in tower grinding machine, it is characterised in that: in described tower grinding machine, ore milling concentration controls at 55-70%.
The milling method that ceramic dielectric the most according to claim 1 or claim 2 is applied in tower grinding machine, it is characterised in that: described material together can add with described ceramic body before tower grinding machine starts, it is possible to is individually added into certain delivery rate after tower grinding machine starts.
The milling method that ceramic dielectric the most according to claim 1 or claim 2 is applied in tower grinding machine, it is characterised in that: described ceramic body can be single material, it is also possible to be the mixture of two or more material.
CN201610356983.1A 2016-05-26 2016-05-26 The milling method that ceramic dielectric is applied in tower grinding machine Active CN105855000B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610356983.1A CN105855000B (en) 2016-05-26 2016-05-26 The milling method that ceramic dielectric is applied in tower grinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610356983.1A CN105855000B (en) 2016-05-26 2016-05-26 The milling method that ceramic dielectric is applied in tower grinding machine

Publications (2)

Publication Number Publication Date
CN105855000A true CN105855000A (en) 2016-08-17
CN105855000B CN105855000B (en) 2018-05-22

Family

ID=56641433

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610356983.1A Active CN105855000B (en) 2016-05-26 2016-05-26 The milling method that ceramic dielectric is applied in tower grinding machine

Country Status (1)

Country Link
CN (1) CN105855000B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107185658A (en) * 2017-06-12 2017-09-22 东北大学 A kind of mineral fine grinding and Ultrafine Grinding milling method using Ceramic Balls as medium
CN109467290A (en) * 2016-11-03 2019-03-15 苏州益可泰电子材料有限公司 A kind of sludge treatment device abrading-ball
CN111013747A (en) * 2019-12-19 2020-04-17 上海大学 Method for preparing nano-scale powder by ball milling
CN111450944A (en) * 2020-03-31 2020-07-28 佛山市恒益环保建材有限公司 Grinding process of autoclaved aerated concrete slurry
CN112756068A (en) * 2020-12-25 2021-05-07 辽宁东大矿冶工程技术有限公司 Ceramic-based medium stirring mill and ore grinding method thereof
CN112844649A (en) * 2020-12-23 2021-05-28 中建材蚌埠玻璃工业设计研究院有限公司 Fine-particle quartz sandstone mineral grinding method
CN112958258A (en) * 2021-04-27 2021-06-15 江西理工大学 Steel ball-free ore grinding method
CN115041296A (en) * 2022-05-26 2022-09-13 安徽庐江龙桥矿业股份有限公司 Grinding and selecting method of ferromagnetic ore

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7267292B2 (en) * 2003-03-11 2007-09-11 Primet Precision Materials, Inc. Method for producing fine alumina particles using multi-carbide grinding media
CN101723666A (en) * 2008-10-15 2010-06-09 许兴康 Zr-Al-Si composite ceramic beads with high wear resistance and high strength and processing technique thereof
CN101786867A (en) * 2010-03-08 2010-07-28 厦门大学 Preparation method for zirconium silicate ball
CN102209590A (en) * 2008-10-09 2011-10-05 伊梅斯公司 Grinding method
CN104845584A (en) * 2015-01-06 2015-08-19 朱晖 Nonmetal grinding medium for cement grinding, and application thereof
CN204735291U (en) * 2015-06-14 2015-11-04 西安科技大学 Stirring ball mill
CN105251571A (en) * 2015-10-08 2016-01-20 国电龙源节能技术有限公司 Ball mill ball-milling method with low abrasive powder unit consumption
CN105413815A (en) * 2015-12-22 2016-03-23 日照德升新型建材有限公司 Production and preparation technology for first-grade coal ash

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7267292B2 (en) * 2003-03-11 2007-09-11 Primet Precision Materials, Inc. Method for producing fine alumina particles using multi-carbide grinding media
CN102209590A (en) * 2008-10-09 2011-10-05 伊梅斯公司 Grinding method
CN101723666A (en) * 2008-10-15 2010-06-09 许兴康 Zr-Al-Si composite ceramic beads with high wear resistance and high strength and processing technique thereof
CN101786867A (en) * 2010-03-08 2010-07-28 厦门大学 Preparation method for zirconium silicate ball
CN104845584A (en) * 2015-01-06 2015-08-19 朱晖 Nonmetal grinding medium for cement grinding, and application thereof
CN204735291U (en) * 2015-06-14 2015-11-04 西安科技大学 Stirring ball mill
CN105251571A (en) * 2015-10-08 2016-01-20 国电龙源节能技术有限公司 Ball mill ball-milling method with low abrasive powder unit consumption
CN105413815A (en) * 2015-12-22 2016-03-23 日照德升新型建材有限公司 Production and preparation technology for first-grade coal ash

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109467290A (en) * 2016-11-03 2019-03-15 苏州益可泰电子材料有限公司 A kind of sludge treatment device abrading-ball
CN109467290B (en) * 2016-11-03 2021-07-16 苏州益可泰电子材料有限公司 Grinding ball for sludge treatment equipment
CN107185658A (en) * 2017-06-12 2017-09-22 东北大学 A kind of mineral fine grinding and Ultrafine Grinding milling method using Ceramic Balls as medium
CN107185658B (en) * 2017-06-12 2019-05-21 东北大学 It is a kind of using Ceramic Balls as the mineral fine grinding of medium and Ultrafine Grinding milling method
CN111013747A (en) * 2019-12-19 2020-04-17 上海大学 Method for preparing nano-scale powder by ball milling
CN111450944A (en) * 2020-03-31 2020-07-28 佛山市恒益环保建材有限公司 Grinding process of autoclaved aerated concrete slurry
CN112844649A (en) * 2020-12-23 2021-05-28 中建材蚌埠玻璃工业设计研究院有限公司 Fine-particle quartz sandstone mineral grinding method
CN112756068A (en) * 2020-12-25 2021-05-07 辽宁东大矿冶工程技术有限公司 Ceramic-based medium stirring mill and ore grinding method thereof
CN112958258A (en) * 2021-04-27 2021-06-15 江西理工大学 Steel ball-free ore grinding method
CN112958258B (en) * 2021-04-27 2022-08-26 江西理工大学 Steel ball-free ore grinding method
CN115041296A (en) * 2022-05-26 2022-09-13 安徽庐江龙桥矿业股份有限公司 Grinding and selecting method of ferromagnetic ore
CN115041296B (en) * 2022-05-26 2024-03-22 安徽庐江龙桥矿业股份有限公司 Grinding and selecting method for ferromagnetic ore

Also Published As

Publication number Publication date
CN105855000B (en) 2018-05-22

Similar Documents

Publication Publication Date Title
CN105855000A (en) Ore grinding method adopting ceramic dielectric applied to tower mill
CN107185658B (en) It is a kind of using Ceramic Balls as the mineral fine grinding of medium and Ultrafine Grinding milling method
CN102631992B (en) Method for flotation of zinc oxide mineral under acidic condition
CN106000566A (en) Novel ball-milling method used for magnetic material industry
CN113233807B (en) Method for high-activity superfine treatment of RO phase in steel slag
CN104926291A (en) Preparation method of special grinding body for dry powder grinding mill
CN108080142B (en) A kind of shaft roasting mine quality grading ore-dressing technique
CN102491357B (en) Superfine kaolin production system and use method thereof
CN110548567B (en) Pulper and special scraper blade that ore pulp secondary treatment used
CN104117433B (en) The method choosing copper concentrate from the copper mine that sulfur arsenic content is high
CN106733220B (en) A kind of zinc oxide ore slurry bubble sorting ore-dressing technique
CN112756068A (en) Ceramic-based medium stirring mill and ore grinding method thereof
CN105013572B (en) A kind of a diameter of 10 meters of large-scale semi-autogenous mill ball feeding method
CN209697063U (en) A kind of horizontal octagonal mill
CN207001758U (en) A kind of powdered whiting grinds quantitative conveyer
CN104923366B (en) A kind of grinding process for being suitable for diaspore type bauxite
CN107185657A (en) A kind of new milling method for being used to optimize galena flotation behavior
CN100553918C (en) A kind of ceramic blank pulping process based on basket type sand mill
CN107175152A (en) A kind of new milling method for being used to optimize Sphalerite flotation behavior
CN107051659A (en) A kind of new milling method for being used to optimize molybdenite flotation behavior
CN110624682A (en) Laboratory ore grinding method for unevenly distributed gold ores
CN208711880U (en) A kind of modified calcium carbonate overturning grinding mechanism
CN101712463B (en) Method and device for grinding zirconium silicate by stages
CN209158761U (en) A kind of automatic feeding system of injection molding machine
CN107159398A (en) A kind of new milling method for being used to optimize copper mine flotation behavior

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Grinding method of ceramic medium used in tower mill

Effective date of registration: 20220718

Granted publication date: 20180522

Pledgee: Jingdezhen branch of Postal Savings Bank of China Ltd.

Pledgor: JINGDEZHEN BETTERWEAR NEW MATERIALS Co.,Ltd.

Registration number: Y2022980010665

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20230920

Granted publication date: 20180522

Pledgee: Jingdezhen branch of Postal Savings Bank of China Ltd.

Pledgor: JINGDEZHEN BETTERWEAR NEW MATERIALS Co.,Ltd.

Registration number: Y2022980010665

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Grinding Methods for the Application of Ceramic Media in Tower Mills

Effective date of registration: 20231018

Granted publication date: 20180522

Pledgee: Jingdezhen branch of Postal Savings Bank of China Ltd.

Pledgor: JINGDEZHEN BETTERWEAR NEW MATERIALS Co.,Ltd.

Registration number: Y2023980061649