CN104907138B - A kind of architectural pottery raw material low energy consumption ball grinding method - Google Patents

A kind of architectural pottery raw material low energy consumption ball grinding method Download PDF

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Publication number
CN104907138B
CN104907138B CN201510331958.3A CN201510331958A CN104907138B CN 104907138 B CN104907138 B CN 104907138B CN 201510331958 A CN201510331958 A CN 201510331958A CN 104907138 B CN104907138 B CN 104907138B
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ball
grinding
slurry
energy consumption
raw
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CN201510331958.3A
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Chinese (zh)
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CN104907138A (en
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赵光岩
刘俊荣
冉舰波
史杰
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佛山欧神诺陶瓷股份有限公司
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    • 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
    • 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

Abstract

The invention discloses a kind of architectural pottery raw material low energy consumption ball grinding method, comprise the following steps:A, architectural pottery raw material is sent into be equipped with the ball mill of specification 40,50,60 and 80 ballstones and roughly ground, with 250 mesh screen residue slurry weight percentages, it is 6 10% to make corase grind disposed slurry fineness;B, will corase grind disposed slurry to be put into stock tank homogenizing;C, the corase grind slurry after homogenizing is pumped into be equipped with the ball mill of 10,20,30 and 40 ballstones and carries out fine grinding, it is 0.8 ~ 1.0% to make fine grinding disposed slurry fineness.Architectural pottery raw material low energy consumption ball grinding method of the present invention improves raw material milling efficiency by ball milling stage by stage; efficiency is ground to get a promotion; ball milling energy consumption is greatly reduced simultaneously; corresponding production cost is also minimized; the ball grinding method of the present invention can be upgraded using original ball-grinding machine and be carried out simultaneously; it can be accomplished scale production without substantial contribution input, reduce the equipment investment expense of manufacturing enterprise.

Description

A kind of architectural pottery raw material low energy consumption ball grinding method

Technical field

The present invention relates to building trade ball-milling technology technology, more particularly to a kind of architectural pottery raw material low energy consumption ball milling Method.

Background technology

Ball milling is an important procedure in architectural pottery production, and raw material ball mill is substantially adopted in architectural pottery production process It is the disposable wet ball grinding technique of discontinuous.Ball milling is that raw material and water are added in ball mill, in ballstone impact, is squeezed The raw material of bulky grain are become under pressure and abrasive action the process of the moderate slurry of granularity.Ball milling process is the work of a highly energy-consuming Sequence, the power consumption of ball milling process is one of main energy consumption of ceramic producer, and the power consumption of ball milling process accounts for whole ceramics according to statistics Manufacturing enterprise power consumption 15%-20%, it is a high energy consumption process.Last year country's ceramic industry yield alreadys exceed 10,000,000,000 squares, According to one square of product weight of in the market main product (600 specifications and 800 specifications) at 25 kilograms or so, ball milling is needed every year Ceramic raw material is 2.5 hundred million tons(250000000000 kilograms), and the energy consumption of one ton of powder of ball milling generally is 35 degree electric, thus we It is estimated that 1 year power consumption in ball milling process of ceramic industry is about 8,000,000,000 degree.From analysis above, we can see Go out annual architectural pottery ball milling consumption of raw materials and fall substantial amounts of electric energy.

In the evolution of architectural pottery, ball grinding technique is also evolving, and grinding efficiency is also constantly improving.Nearly 20 The time in year, the tonnage continuous improvement of ball mill develops into 60 tons from 8 tons for main flow turns into main flow;Ball-milling medium is from initial Cobblestone develop into middle high alumina ballstone;Ballstone grading is from initial stepless with developing into the rational ballstone grading of comparison;By A series of development, the ball milling power consumption of ceramic raw material per ton are also reduced to 35 degree or so from initial close to 50 degree.Build pottery at present The problem of method that industry generally uses is the disposable ball milling of batch (-type), and this method is present be ballstone grading specific aim not By force, it is impossible to realize highest grinding efficiency in the different ball milling stages.

Therefore, prior art has yet to be improved and developed.

The content of the invention

It is an object of the invention to provide a kind of architectural pottery raw material low energy consumption ball grinding method, it is intended to solves building pottery at present Porcelain raw material ball milling high energy consumption, grinds the problem of efficiency is low.

Technical scheme is as follows:

A kind of architectural pottery raw material low energy consumption ball grinding method, wherein, comprise the following steps:

A, architectural pottery raw material is sent into be equipped with the ball mill of specification 40,50,60 and 80 ballstones and roughly ground, made Corase grind disposed slurry fineness is 6-10%, and the fineness is crossed 250 mesh sieve remaining slurry percentage by weights with slurry and characterized;

B, it will roughly grind to be pumped into be equipped with the ball mill of 10,20,30 and 40 ballstones after disposed slurry is homogenized and carry out fine grinding, make Fine grinding disposed slurry fineness is 0.8 ~ 1.0%, and the fineness is crossed 250 mesh sieve remaining slurry percentage by weights with slurry and characterized.

Described architectural pottery raw material low energy consumption ball grinding method, wherein, to ball mill in rough grinding pass in the step A It is middle to add the water for accounting for the percentage by weight of slurry 33%.

Described architectural pottery raw material low energy consumption ball grinding method, wherein, the frequency of the frequency converter of ball mill is controlled during corase grind It is set as 38-50Hz.

Described architectural pottery raw material low energy consumption ball grinding method, wherein, during corase grind 40,50,60 and 80 in ball mill Ballstone ratio is 20 ~ 30%:20%~30%:25~35%:15~25%.

Described architectural pottery raw material low energy consumption ball grinding method, wherein, the frequency of the frequency converter of ball mill is controlled during fine grinding It is set as 36-44Hz.

Described architectural pottery raw material low energy consumption ball grinding method, wherein, during fine grinding 10,20,30 and 40 in ball mill Ballstone proportioning is 5 ~ 15%:50~60%:15~25%:10~20%.

Described architectural pottery raw material low energy consumption ball grinding method, wherein, proportion is used as 2.8g/cm during corase grind3Middle aluminium Ballstone, 3.6g/cm is more than using proportion during fine grinding3Aluminum oxide ballstone.

Described architectural pottery raw material low energy consumption ball grinding method, wherein, the architectural pottery raw material needs before being roughly ground To pass through primary comminution to handle, feed particles is passed through 3 mesh sieves.

Described architectural pottery raw material low energy consumption ball grinding method, wherein, the ball mill used in corase grind and fine grinding is 60 tons Ball mill.

Beneficial effect:The present invention provides a kind of architectural pottery raw material low energy consumption ball grinding method, and this method passes through ball stage by stage Mill improves raw material milling efficiency, grinds efficiency and gets a promotion, while ball milling energy consumption is greatly reduced, and corresponding production cost is also able to Reduce, while the ball grinding method of the present invention can upgrade progress using original ball-grinding machine, can be achieved without substantial contribution input Large-scale production, reduce the equipment investment expense of manufacturing enterprise.

Embodiment

In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of architectural pottery raw material low energy consumption ball milling Method, it is intended to existing building ceramic raw material ball milling high energy consumption, grind the problem of efficiency is low.

The architectural pottery raw material low energy consumption ball grinding method of the present invention, comprises the following steps:

A, architectural pottery raw material is sent into and be equipped with the ball mill of specification 40,50,60 and 80 ballstones, then added 33%(Percentage by weight)Water roughly ground, it is 6-10% to make corase grind disposed slurry fineness(250 mesh sieve residuals weights hundred are crossed with slurry Ratio is divided to characterize, it is as follows).Wherein, the frequency setting that the frequency converter of ball mill is controlled during corase grind is 38-50Hz.The frequency Frequency converter can control ball mill to be in suitable rotational speed and carry out ball milling to raw material, take into account energy consumption and grind efficiency.

In preferred embodiment, 40,50,60 and 80 ballstone ratios are 20 ~ 30% in ball mill during corase grind:20%~30%: 25~35%:15~25%.Drum's speed of rotation of the ballstone of said ratio under the appropriate FREQUENCY CONTROL of frequency changer has pair under coordinating Raw material most efficiently grinds efficiency, architectural pottery raw material can be ground into fineness with respect to low energy consumption(With 250 mesh sieves can not be passed through Percentage by weight characterize fineness)For 6%-12%.In addition, ballstone uses proportion as 2.8g/cm during corase grind3Middle aluminium ball stone.

B, will corase grind disposed slurry to be put into stock tank homogenizing;

C, the slurry being homogenized after corase grind is pumped into be equipped with the ball mill of 10,20,30 and 40 ballstones and carries out fine grinding, It is 0.8 ~ 1.0% to make fine grinding disposed slurry fineness.

Wherein, the frequency setting that the frequency converter of ball mill is controlled during fine grinding is 36-44Hz.In preferred embodiment, during fine grinding 10,20,30 and 40 ballstones proportioning is 5 ~ 15% in ball mill:50~60%:15~25%:10~20%.The ballstone of said ratio exists The rotating speed of appropriate frequency frequency changer has under coordinating most efficiently grinds efficiency to corase grind disposed slurry, be able to will be built with respect to low energy consumption Build ceramic raw material and grind fineness as 0.8 ~ 1.0%(With fineness can not be characterized by the percentage by weight of 250 mesh sieves).Separately Outside, 3.6g/cm is more than using proportion during fine grinding3Aluminum oxide ballstone.

Further, the architectural pottery raw material needs to handle by primary comminution before being roughly ground, and makes feed particles 3 mesh sieves can be passed through.Ball mill used in corase grind and fine grinding process is 60 tons of ball mills.

The present invention for the grading specific aim of disposable ball milling it is not strong the problem of, by the way that raw material ball milling is divided into corase grind and thin Grind two processes.In rough grinding pass, the big phenomenon of ceramic raw material particle, rely primarily on ballstone impact and raw material crushed, The bigger caused crushing effect of impulsive force of ballstone is better, therefore gives full play to big specification using the ballstone of big specification during corase grind Ballstone caused impulsive force in mechanical milling process raw material big to granularity is crushed, and raw material ball is ground into fineness(With can not lead to The percentage of 250 mesh sieves is crossed to characterize fineness)For 6%-12%;In the fine grinding stage, feed particles are smaller, milling between ballstone Reduction material fineness is more effective, and we use the ballstone of small dimension, give full play to the effect of milling between small ballstone, will be ceramic former The fineness of material is rapidly reduced to less than 1.0%.By ball milling stage by stage, the monthly average ball milling power consumption of raw material per ton by 34.22- 37.91 are reduced to 28. 45-30.22 degree left and right, ball milling raw material per ton of ball milling observable index of secondary ball milling raw material per ton Ball milling power consumption reduces by 19.7%.On the basis of grading ball milling, we are in the fine grinding stage by using hyperbaric aluminum oxide ballstone (3.6g/cm3), aluminium ball stone in caused grinding efficiency ratio(2.8g/cm3)It is bigger, monthly average ball milling power consumption is reduced to 26.82-29.14 degree, reduce by 22.4% compared with disposable ball milling monthly average power consumption.By using ball milling stage by stage and Gao Bi The small ballstone of weight, monthly average ball milling power consumption is reduced by 22.4% by us.Therefore the present invention passes through in the case of ball milling stage by stage Ballstone grading, drum's speed of rotation and ballstone proportion are adjusted, realizes the ball grinding method that ball milling energy consumption is greatly lowered.

Made a concrete analysis of by testing, the present invention has advantages below and effect:The present invention is in a current ball milling first On the basis of be improved, therefore without substantial contribution input can both accomplish scale production;Next to that the present invention is according to original Expect in the different crushing mechanism of the different phase of ball milling, ballstone is improved using the ballstone of big specification in the corase grind stage and impacted to raw material Crushing effect, the ballstone of small dimension is used in the fine grinding stage, improves the crushing effect milled to raw material between ballstone;In addition originally Invention uses frequency converter adjustment drum's speed of rotation, and crushing of the ballstone impact to raw material is played using higher rotating speed in the corase grind stage Effect, the crushing effect milled between ballstone to raw material is played using relatively low rotating speed in the fine grinding stage;The last present invention is thin The mill stage uses big proportion aluminum oxide ballstone, by improving ballstone proportion, improves ballstone and mills caused active force, drop Low ball grinds energy consumption.

In order to be better understood by the present invention, with reference to example, the present invention will be described, but claimed model Enclose and be not limited to example ranges.

Example one:

The first step:Raw material is put into feeding machine according to proportioning, is then sent into by conveyer belt, 40:Ø50:Ø60:80 rule The middle aluminium ball stone ratio of lattice is 25%:25%:35%:In 15% ball mill, add water according to 33% ratio, frequency converter be adjusted to 46HZ, Slurry grinding rate to 8.3%.

Second step:Slurry is put into stock tank, being stirred homogenizing with mixer is handled.

3rd step:It is 10% that aluminium ball stone step, which is matched somebody with somebody, during the slurry by corase grind is extracted into 10,20,30 and 40 again:55%: 20%:In 15% ball mill, frequency converter is transferred to 42HZ, slurry is ground to 0.86%.

4th step:It is standby that accepted stock is put into stock tank.

In this experiment, slurry fineness reaches 8.3% when the time used in corase grind is 8 hours, and the time used in fine grinding is 4 hours, Slurry fineness is 0.86%, and 12 hours when sharing, slurry agitation and to take out slurry power consumption per ton be 2 degree, material per ton is from being dosed into slurry conjunction The power consumption of lattice is 28.76 degree, and the average used time of disposable ball milling is 16 hours, and average current drain is 35.5 degree, can from data To show that ball milling energy consumption of secondary ball milling observable index reduces by 19.0%.

Example two:

Repeat the first step in embodiment one and second step operation.

3rd step:It is 10% that slurry by corase grind, which is extracted into 10,20,30 and 40 alumina balls stone steps to match somebody with somebody,:55%: 20%:In 15% ball mill, frequency converter is transferred to 42HZ, slurry is ground to 0.88%.

4th:Slurry is put into stock tank adapted.

In this experiment, slurry fineness reaches 8.3% when the time used in corase grind is 8 hours, and the time used in fine grinding is 3 hours, Slurry fineness is 0.88%, and 11 hours when sharing, slurry agitation and to take out slurry power consumption per ton be 2 degree, material per ton is from being dosed into slurry conjunction The power consumption of lattice is 26.86 degree, and the average used time of disposable ball milling is 16 hours, and average current drain is 35.5 degree, can from data To show that ball milling energy consumption of secondary ball milling observable index reduces by 24.34%.

Example three:

The first step:Raw material is put into feeding machine according to proportioning, is then sent into by conveyer belt, 40:Ø50:Ø60:80 rule The middle aluminium ball stone ratio of lattice is 30%:20%:35%:In 15% ball mill, add water according to 33% ratio, frequency converter be adjusted to 40HZ, Slurry grinding rate to 8.4%.

Second step:Slurry is put into stock tank, being stirred homogenizing with mixer is handled.

3rd step:It is 5% that aluminium ball stone step, which is matched somebody with somebody, during the slurry by corase grind is extracted into 10,20,30 and 40 again:50%: 25%:In 20% ball mill, frequency converter is transferred to 42HZ, slurry is ground to 0.86%.

4th step:It is standby that accepted stock is put into stock tank.

In this experiment, slurry fineness reaches 8.4% when the time used in corase grind is 9 hours, and the time used in fine grinding is 4.5 small When, slurry fineness is 0.91%, and 13.5 hours when sharing, slurry agitation and to take out slurry power consumption per ton be 2 degree, material per ton is from being dosed into The qualified power consumption of slurry is 31.36 degree, and the average used time of disposable ball milling is 16 hours, and average current drain is 35.5 degree, from number According to can above show that ball milling energy consumption of secondary ball milling observable index reduces by 11.7%.

Example four:

The first step:Raw material is put into feeding machine according to proportioning, is then sent into by conveyer belt, 40:Ø50:Ø60:80 rule The middle aluminium ball stone ratio of lattice is 30%:20%:30%:In 20% ball mill, add water according to 33% ratio, frequency converter be adjusted to 46HZ, Slurry grinding rate to 8.5%.

Repeat the second step operation in embodiment three.

3rd step:It is 5% again the slurry by corase grind to be extracted into 10,20,30 and 40 alumina balls stone steps to match somebody with somebody:50%: 25%:In 20% ball mill, frequency converter is transferred to 42HZ, slurry is ground to 0.90%.

4th step:It is standby that accepted stock is put into stock tank.

In this experiment, slurry fineness reaches 8.5% when the time used in corase grind is 8.5 hours, and the time used in fine grinding is 3.5 Hour, slurry fineness is 0.91%, and 12.0 hours when sharing, slurry agitation and to take out slurry power consumption per ton be 2 degree, material per ton is from feeding intake The power consumption qualified to slurry is 28.46 degree, and the average used time of disposable ball milling is 16 hours, and average current drain is 35.5 degree, from It can show that ball milling energy consumption of secondary ball milling observable index reduces by 19.8% in data.

As can be seen that the architectural pottery raw material low energy consumption ball grinding method of the present invention is not only increased and built from above example The efficiency that grinds of ceramic raw material is built, and its energy consumption is also greatly reduced.

The present invention provides a kind of architectural pottery raw material low energy consumption ball grinding method, and this method improves original by ball milling stage by stage Expect milling efficiency, grind efficiency and get a promotion, while ball milling energy consumption is greatly reduced, corresponding production cost is also minimized, simultaneously The ball grinding method of the present invention can be upgraded using original ball-grinding machine to be carried out, and scale life can be achieved without substantial contribution input Production, reduce the equipment investment expense of manufacturing enterprise.

It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention Protect scope.

Claims (3)

1. a kind of architectural pottery raw material low energy consumption ball grinding method, it is characterised in that comprise the following steps:
A, architectural pottery raw material is sent into be equipped with the ball mill of specification 40,50,60 and 80 ballstones and roughly ground, controlled The frequency setting of the frequency converter of ball mill is 38-50Hz, and it is 6-10% to make corase grind disposed slurry fineness, and the fineness crosses 250 mesh with slurry Remaining slurry percentage by weight is sieved to characterize;
B, it will roughly grind to be pumped into be equipped with the ball mill of 10,20,30 and 40 ballstones after disposed slurry is homogenized and carry out fine grinding, control ball The frequency setting of the frequency converter of grinding machine is 36-44Hz, and it is 0.8 ~ 1.0% to make fine grinding disposed slurry fineness, and the fineness crosses 250 with slurry Mesh sieve remaining slurry percentage by weight characterizes;
40,50,60 and 80 ballstone ratios are 30% in ball mill during corase grind:20%:30%:20%;
10,20,30 and 40 ballstones proportioning is 15% in ball mill during fine grinding:60%:15%:10%;
Proportion is used during corase grind as 2.8g/cm3Middle aluminium ball stone, 3.6g/cm is more than using proportion during fine grinding3Aluminum oxide ballstone;
The architectural pottery raw material needs to handle by primary comminution before being roughly ground, and feed particles is passed through 3 mesh sieves.
2. architectural pottery raw material low energy consumption ball grinding method according to claim 1, it is characterised in that in the step A The water for accounting for the percentage by weight of slurry 33% is added in rough grinding pass into ball mill.
3. architectural pottery raw material low energy consumption ball grinding method according to claim 1, it is characterised in that used in corase grind and fine grinding The ball mill arrived is 60 tons of ball mills.
CN201510331958.3A 2015-06-16 2015-06-16 A kind of architectural pottery raw material low energy consumption ball grinding method CN104907138B (en)

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CN107812590B (en) * 2016-09-14 2020-01-03 中国地质科学院矿产综合利用研究所 Selective dissociation strengthening separation method for fine particles difficult to separate
CN106391221A (en) * 2016-11-18 2017-02-15 福州恒裕陶瓷有限公司 Ball mill for grinding ceramic glaze
CN106955767B (en) * 2017-04-26 2018-11-23 揭阳恒成陶瓷科技有限公司 A kind of raising grinding efficiency technique
CN110237904A (en) * 2019-06-18 2019-09-17 湖南天欣科技股份有限公司 A kind of power-economizing method of wet ball mill
CN110152804A (en) * 2019-06-28 2019-08-23 胡劲东 A kind of grinding technics and grinding cylinder structure of horizontal ball mill
CN110721776B (en) * 2019-12-17 2020-05-19 广东欧文莱陶瓷有限公司 Secondary ball milling method

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CN201446624U (en) * 2009-04-22 2010-05-05 湘潭市江南格菱机电有限公司 Sectional type ceramic continuous wet ball grinder
CN102180654A (en) * 2011-02-12 2011-09-14 萍乡市五星陶瓷有限责任公司 Process method for producing high-quality medium-alumina ceramic ball by inferior raw material
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