CN102872958A - Grinding process of ceramic raw material and ceramic raw material grinding production line - Google Patents
Grinding process of ceramic raw material and ceramic raw material grinding production line Download PDFInfo
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- CN102872958A CN102872958A CN2012103648892A CN201210364889A CN102872958A CN 102872958 A CN102872958 A CN 102872958A CN 2012103648892 A CN2012103648892 A CN 2012103648892A CN 201210364889 A CN201210364889 A CN 201210364889A CN 102872958 A CN102872958 A CN 102872958A
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Abstract
The invention provides a grinding process of ceramic raw materials and a ceramic raw material grinding production line; the grinding process of ceramic raw materials comprises the following steps: firstly conveying sandstone material with a particle size of 40-100 mm into a vertical grinding machine for extrusion grinding to obtain crushed particles which have an appropriate particle size of generally less than or equal to 1 mm and have minimal fineness, screening the crushed materials through a rolling sieve, directly delivering the qualified materials together with sludge powder treated by slurry melting and sand removal into a ball mill for grinding, wherein the qualified materials are materials that reach the above particle size requirement; circularly delivering the unqualified materials into the vertical grinding machine for continued crushing till the crushed materials reach the above particle size requirement, wherein the unqualified materials are materials that does not reach the above particle size requirement. With the above scheme, the grinding process of the invention has the advantages of high grinding efficiency, large particle size of materials entering the grinding machine, stable product chemical components, simple process flow, low noise, less raised dust, and the like.
Description
Technical field
The present invention relates to the technical field of ceramic raw material process equipment, refer in particular to a kind of grinding process and ceramic raw material milling production line of ceramic raw material.
Background technology
Known in the industry, present whole ceramic industry competition is very fierce, the prices of raw and semifnished materials, freight charges, machine object expense rise steadily, supply of electric power is not enough, and production cost constantly increases, and the electricity charge have become the maximum burden of each ceramics factory, wherein the electricity consumption of raw material ball milling is maximum, account for according to statistics more than 40% of business electrical, the electricity charge are millions of at least, on then several ten million.In addition, development and demand that traditional raw material pulping production technology falls behind the times, nearly all be to adopt ball mill to come grinding material, but the Ball-milling Time of existing ball mill is long, power consumption is many, object consumption is large, and it also have one very significantly shortcoming be exactly energy utilization efficiency very low (generally only having 2-3%).Although people have carried out a large amount of research to production technology and the mechanical kinetics characteristic of this ball mill for many years, also constantly have made some progress and achievement, present frequency conversion ball mill for example, can reduce few power consumption, yet even to this day, very low this defective of ball mill energy utilization efficiency is not solved yet at all, seeks to shorten the technique of Ball-milling Time or a kind of flour mill of accompanied by substantial power saving replaces ball mill to remain the key subjects that face now fully.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of and can save the area, improve production capacity, reach grinding process and the ceramic raw material milling production line of the ceramic raw material of energy-saving consumption purpose.
For achieving the above object, the grinding process of its ceramic raw material of technical scheme provided by the present invention is: at first be that the sand material of 40～100mm is conveyed into and carries out crush and grind in the vertical mill with particle diameter, be crushed to suitable grain diameter, be generally and be less than or equal to 1mm, fineness is very small, then the material after the above-mentioned fragmentation can be brushed choosing through drum screen, qualified material namely is that direct the delivering in the ball mill with the mud powder of processization slurry shakeout of material meeting that reaches above-mentioned grain diameter requirement ground; And underproof material namely is that the material that do not reach above grain diameter requirement can be recycled to deliver to and proceeds fragmentation in the vertical mill, until the material after the fragmentation reaches above-mentioned required grain diameter require till.
Described mud powder the inside sand accounts for 20～30% of its weight portion.
The described moisture requirement that enters the sand material in the vertical mill is less than or equal to 12%.
Ceramic raw material milling production line of the present invention includes sandstone feeding machine, elevator, vertical mill, drum screen, mud powder feeder, ball mill, wherein, described sandstone feeding machine is connected with the elevator that is positioned at vertical mill one side mutually through the first pipeline, and the oscilaltion by this elevator realizes feeding sand material to vertical mill; The drum screen correspondence is located at a side of vertical mill simultaneously, and matches with the rotating discharge Hatch Opening of vertical mill by the second pipeline, is used for the material after brush selects the vertical mill fragmentation; This drum screen is connected with elevator mutually by the 3rd pipeline that is positioned at its below simultaneously, and the circulation of the defective material after the transportation of the 3rd pipeline realizes brushing choosing is broken; Simultaneously this drum screen by be positioned at its below the 4th pipeline and the 5th pipeline at mud powder feeder discharging opening place be connected mutually, realization matches with the mud powder feeder, and the 5th above-mentioned pipeline is connected mutually with ball mill, realizes the material after the fragmentation and the mud powder of having changed the slurry shakeout sent in the ball mill together by the 5th pipeline and grinds.
Described vertical mill include main frame, correspondence for material crushing be located at main frame one side and be used for driving the mill rotation of this main frame motor, be assemblied on this main frame and be used for the feed bin that rotates of discharging.
Described drum screen is the rolling rotary strainer.
The present invention has the following advantages after having adopted such scheme:
1, abrasive dust efficient is high, and vertical mill adopts grinding roller and material bed to roll ground material, energy consumption power consumption low, scratch system reduces by 30-40% than milling system;
2, mill feed material size is large, can reach about 5% of grinding roller diameter, is generally 40～100 millimeters, and therefore big-and-middle-sized Vertical Mill can save the secondary pulverizing;
3, the product chemical analysis is stable, and grain composition is even, because only 2-3 minutes time that material stops in Vertical Mill, so when using the vertical mill abrasive dust, the chemical analysis of product can very fast mensuration, proofreaies and correct, the fluctuation of product chemical analysis is little, is conducive to homogenizing; In addition, the qualified products in the vertical mill can be separated timely, have avoided mill to death, and the epigranular of product is consistent, are conducive to calcining;
4, technological process is simple, and construction area is little, occupies little space, and construction area only is about 50-60% of ball milling for 70% space of milling system;
5, noise is low, airborne dust is few, clean operation environment, Vertical Mill at work, grinding roller does not directly contact with mill, does not have ballstone in the ball milling to run foul of each other and the strike note of ballstone bump liner plate, ancient noise is low, than low about 20-25 decibels of ball milling; Vertical Mill is integral sealing in addition, and system works under negative pressure, so poplar dirt is few, clean environment adapts to environmental requirement;
6, enter the new technology of ball milling, mud and sandstone separate goal, and being of mud slurry shakeout goal, sandstone are to grind to be crushed to goal behind certain particle diameter, behind the mill of scoring, just can enter the low speed grinding stage.
Description of drawings
Fig. 1 is process chart of the present invention.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.
Shown in accompanying drawing 1, the described ceramic raw material milling production line of present embodiment, it includes sandstone feeding machine 1, elevator 2, vertical mill 3, rolling rotary strainer 4, mud powder feeder 5, ball mill 6, wherein, described sandstone feeding machine 1 is connected with the elevator 2 that is positioned at vertical mill 3 one sides mutually through the first pipeline 7, and the oscilaltion by this elevator 2 realizes feeding sand material to vertical mill 3; Rotary strainer 4 correspondences of rolling simultaneously are located at a side of vertical mill 3, and match with the rotating discharge Hatch Opening of vertical mill 3 by the second pipeline 8, are used for the material after brush selects vertical mill 3 fragmentations; Should be connected mutually with elevator 2 by the 3rd pipeline 9 that is positioned at its below by rolling rotary strainer 4 simultaneously, the circulation of the defective material after the transportation of the 3rd pipeline 9 realizes brushing choosing is broken; Simultaneously should rolling rotary strainer 4 the 4th pipeline 10 by being positioned at its below and the 5th pipeline 11 at mud powder feeder 5 discharging opening places be connected mutually, realization matches with mud powder feeder 5, and the 5th above-mentioned pipeline 11 is connected mutually with ball mill 6 again, realizes the material after the fragmentation and the mud powder of having changed the slurry shakeout sent in the ball mill together by the 5th pipeline like this and grinds.In addition, the above-mentioned vertical mill 3 of present embodiment include main frame 12, correspondence for material crushing be located at main frame 12 1 sides and be used for driving the mill rotation of this main frame 12 motor 13, be assemblied on this main frame 12 and be used for discharging rotate feed bin 14.
Below carry out the specific embodiment of grinding for Vertical Mill of the present invention combines with ball milling: the sand material (moisture requirement is less than or equal to 12%) that at first with particle diameter is 40～100mm is delivered in the elevator 2 through the first pipeline 7, and then by the rising of this elevator 2 sand material is sent into and to be carried out crush and grind in the vertical mill 3, be crushed to suitable grain diameter, be generally and be less than or equal to 1mm, so that the material particular diameter after the fragmentation is even, fineness is very small, then the material after the above-mentioned fragmentation is delivered on the rolling rotary strainer 4 through the second pipeline 8, realized the brush of material after the fragmentation is selected by this rolling rotary strainer 4, wherein, brush selects qualified material to be delivered on the 5th pipeline 11 through the 4th pipeline 10, at this moment, mud powder feeder 5 will be placed on together the 5th pipeline 11 through the mud powder of changing the slurry shakeout and by the 5th pipeline 11 material after the fragmentation and the mud powder of having changed the slurry shakeout be sent in the ball mill 6 together and ground; And brush selects the underproof material can be in elevator 2 is sent in the transportation of the 3rd pipeline 9 back to, continuation is sent to by this elevator 2 and is carried out again fragmentation in the vertical mill 3, until the material after the fragmentation can reach till the above-mentioned required grain diameter, namely be to elect as by the brush of rolling rotary strainer 4 to end.Compare traditional production technology, technique of the present invention is that sand material and mud powder are separated goal, sand material will grind in small, broken bits through vertical mill 3, make material become the powder sheet, fineness is very small, the parts of fine granule exists with the sheet strip, and process of lapping extruding inside has also produced crackle, and such material enters the easier grinding of ball milling; The mud powder is through after changing slurry shakeout (mud the inside sand accounts for 20-30%) simultaneously, is fed to ball mill 6 again.And traditional production technology, be that raw material are prepared just goal with forklift at the feeding machine hopper, material particles is large, and fineness differs, even also have most of bulk sand material to enter in the ball milling, to just can reach production requirement through the long-time grinding stage, also exist most of particle in ballstone, in now ball milling practice running, the first grinding stage of ball milling, load is maximum, just can enter the grinding stage for a long time, and load just descends gradually.From above-mentioned production technology comparative analysis, technique of the present invention is fully winning, is essentially different, and avoids material and directly enters the grinding stage in the ball milling preliminary grinding stage (heavy load stage), and as seen, when shortening ball, the effect that lightens the load can estimate fully.In addition, process improving of the present invention the ball milling performance, reduce the ball milling load, tiny, the homogenizing sand material enters ball mill 6 and grinds, can integral body reduce the ballstone average ball diameter, namely be greatly to have increased the ballstone number, reduce ballstone and ballstone space, increased the collision of ballstone and material, the chance of extruding contact, be more conducive to the ball milling fine grinding, present traditional ball milling divides preliminary grinding and fine grinding because feed size is inhomogeneous, sphere diameter that can't the reasonable selection ballstone, excessive material not necessarily grinds mashed in a ball, and very large chance exists in the ball milling, and the time has been grown, the not mashed material of the mill that exists in the ball milling constantly increases, affect next time goal, Ball-milling Time, the unfavorable factors such as ball milling load.Utilize converter technique to adjust the rotating speed of ball milling, reduce gradually ball milling speed, make abrasive body (ballstone) be in falling type and adapt to fine grinding, reach sooner fineness requirement, the ball prompt drop is low, equals to reduce ball milling inner horizontal moment, alleviates the ball load, reaches the purpose of economize on electricity.Also have technique of the present invention can fall loss, along with the goal fineness of materials reduces, ball milling reduces the preliminary grinding stage, and nonferromagnetic substance also improves, and shortens in a large number Ball-milling Time, and ballstone, ball lining pause by material and consume and will reduce by half; The ball milling load reduces, and machine object ton consumption also decreases.In sum, the present invention can promote the popularization of energy-saving and emission-reduction measure, improves the efficiency of the practice of every energy-saving and emission-reduction measure, indirectly reduces the energy input of unit product by every energy-saving and emission-reduction measure, makes Production of Ceramics producer obtain larger economic benefit.On short terms, the energy consumption that improves all sidedly China's Ceramics Enterprises requires and emission request, and some enterprises or the old production line of ceramic industry produced a very large impact, and production cost can corresponding raising; But in the long run, energy-saving and emission-reduction will have larger facilitation to promoting ceramic level of industry, make enterprise more pay attention to the improvement of technology and the management of the energy, improve competitiveness and the economic benefit of enterprise.This will start once huge Revolution of Energy Saving at ceramic industry, and particularly current resource scarcity and " severe power shortage " have actively and profound significance, and ability Accelerating The Construction energy-efficient society promotes the sustainable development of economic society with effective utilization of the energy like this.
The examples of implementation of the above only are the present invention's preferred embodiment, are not to limit practical range of the present invention with this, so the variation that all shapes according to the present invention, principle are done all should be encompassed in protection scope of the present invention.
Claims (6)
1. the grinding process of a ceramic raw material, it is characterized in that: at first be that the sand material of 40～100mm is conveyed into and carries out crush and grind in the vertical mill with particle diameter, be crushed to suitable grain diameter, be generally and be less than or equal to 1mm, fineness is very small, then the material after the above-mentioned fragmentation can be brushed choosing through drum screen, and qualified material namely is that direct the delivering in the ball mill with the mud powder of processization slurry shakeout of material meeting that reaches above-mentioned grain diameter requirement ground; And underproof material namely is that the material that do not reach above grain diameter requirement can be recycled to deliver to and proceeds fragmentation in the vertical mill, until the material after the fragmentation reaches above-mentioned required grain diameter require till.
2. the grinding process of a kind of ceramic raw material according to claim 1 is characterized in that: described mud powder the inside sand accounts for 20～30% of its weight portion.
3. the grinding process of a kind of ceramic raw material according to claim 1 is characterized in that: the described moisture requirement that enters the sand material in the vertical mill is less than or equal to 12%.
One kind according to claim 1 described technique carry out the ceramic raw material milling production line of grinding, it is characterized in that: it includes sandstone feeding machine (1), elevator (2), vertical mill (3), drum screen (4), mud powder feeder (5), ball mill (6), wherein, described sandstone feeding machine (1) is connected with the elevator that is positioned at vertical mill (3) one sides (2) mutually through the first pipeline (7), and the oscilaltion by this elevator (2) realizes feeding sand material to vertical mill (3); Drum screen (4) correspondence is located at a side of vertical mill (3) simultaneously, and matches by the rotating discharge Hatch Opening of the second pipeline (8) with vertical mill (3), is used for the material after brush selects vertical mill (3) fragmentation; This drum screen (4) is connected with elevator (2) mutually by the 3rd pipeline (9) that is positioned at its below simultaneously, and the circulation of the defective material after the transportation of the 3rd pipeline (9) realizes brushing choosing is broken; Simultaneously this drum screen (4) by be positioned at its below the 4th pipeline (10) and the 5th pipeline (11) at mud powder feeder (5) discharging opening place be connected mutually, realization matches with mud powder feeder (5), and above-mentioned the 5th pipeline (11) is connected mutually with ball mill (6), realizes the material after the fragmentation and the mud powder of having changed the slurry shakeout sent in the ball mill (6) together by the 5th pipeline (11) and grinds.
5. a kind of ceramic raw material milling production line according to claim 4 is characterized in that: described vertical mill (3) include main frame (12), correspondence for material crushing be located at main frame (12) one sides and be used for driving the mill rotation of this main frame (12) motor (13), be assemblied in this main frame (12) upper and be used for discharging rotate feed bin (14).
6. a kind of ceramic raw material milling production line according to claim 4, it is characterized in that: described drum screen (4) is the rolling rotary strainer.
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| CN2012103648892A CN102872958A (en) | 2012-09-26 | 2012-09-26 | Grinding process of ceramic raw material and ceramic raw material grinding production line |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103111348A (en) * | 2013-03-04 | 2013-05-22 | 上海建冶机器有限公司 | Energy-saving sand pulverizer |
| CN103143428A (en) * | 2013-03-21 | 2013-06-12 | 张文墩 | Method and equipment for rapidly processing ceramic chemical industry ore standard granules |
| CN103736573A (en) * | 2014-01-21 | 2014-04-23 | 范新晖 | Ceramic raw material grinding system |
| CN103752374A (en) * | 2014-01-21 | 2014-04-30 | 范新晖 | Ceramic raw material grinding system |
| CN103977872A (en) * | 2014-04-18 | 2014-08-13 | 湘潭市亿达机电设备制造有限公司 | Grinding technology and production line of ceramic wall and floor tile raw material |
| CN105233951A (en) * | 2015-11-01 | 2016-01-13 | 宁波平海建材有限公司 | Treatment system for clay paste |
| CN114289132A (en) * | 2021-12-16 | 2022-04-08 | 广东博晖机电有限公司 | Wet continuous ball-milling production line for ceramic raw materials and working mode of wet continuous ball-milling production line |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103111348A (en) * | 2013-03-04 | 2013-05-22 | 上海建冶机器有限公司 | Energy-saving sand pulverizer |
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| CN103736573A (en) * | 2014-01-21 | 2014-04-23 | 范新晖 | Ceramic raw material grinding system |
| CN103752374A (en) * | 2014-01-21 | 2014-04-30 | 范新晖 | Ceramic raw material grinding system |
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| CN103736573B (en) * | 2014-01-21 | 2016-08-17 | 范新晖 | A kind of Ceramic Material grinding system |
| CN103977872A (en) * | 2014-04-18 | 2014-08-13 | 湘潭市亿达机电设备制造有限公司 | Grinding technology and production line of ceramic wall and floor tile raw material |
| CN103977872B (en) * | 2014-04-18 | 2015-11-18 | 湘潭市亿达机电设备制造有限公司 | A kind of grinding process of ceramic wall and floor bricks raw material and production line thereof |
| CN105233951A (en) * | 2015-11-01 | 2016-01-13 | 宁波平海建材有限公司 | Treatment system for clay paste |
| CN114289132A (en) * | 2021-12-16 | 2022-04-08 | 广东博晖机电有限公司 | Wet continuous ball-milling production line for ceramic raw materials and working mode of wet continuous ball-milling production line |
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Application publication date: 20130116 |