CN102218364B - Preparation process of silicon metal powder with high chemical activity and low fine powder rate and special equipment - Google Patents
Preparation process of silicon metal powder with high chemical activity and low fine powder rate and special equipment Download PDFInfo
- Publication number
- CN102218364B CN102218364B CN 201110006700 CN201110006700A CN102218364B CN 102218364 B CN102218364 B CN 102218364B CN 201110006700 CN201110006700 CN 201110006700 CN 201110006700 A CN201110006700 A CN 201110006700A CN 102218364 B CN102218364 B CN 102218364B
- Authority
- CN
- China
- Prior art keywords
- finished product
- semi
- section
- product section
- powder
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention particularly relates to a preparation process of silicon metal powder with high chemical activity and low fine powder rate specific to the photovoltaic industry, and belongs to the field of processing of silicon materials. In the preparation process, a jaw crusher is firstly used for crushing raw materials for the first time till the diameter of the crushed raw materials reaches 2 to 5 centimeters; after the materials is deironization, the materials are conveyed to a cyclone mill and crushed for the second time to prepare semi-finished silicon powder with the particle size of 700 to 50 Mum; after re-deironization, according to the requirement on particle size of a finished product, the semi-finished silicon powder is screened by a vibrating screen of a screening machine into a larger-particle-size powder section, a finished product section and a smaller-particle-size powder section in terms of particle size sections; the powder of the larger-particle-size powder section is re-crushed; and the semi-finished powder of the finished product section and the smaller-particle-size powder section are proportioned to prepare the finished product finally. In the preparation process of the silicon metal powder disclosed by the invention, a revolving type silicon metal crushing technology is adopted, a wind power-mechanical power combined method is utilized to drive the silicon metal to move at a high speed automatically and be crushed mutually into powder, thus the specific surface area of metal silicon powder reaches 0.69 square meters per gram, and the fine powder rate is reduced within 8 percent simultaneously.
Description
Technical field
The present invention relates to a kind of preparation technology of metallic silicon power, particularly for preparation technology and the special equipment of a kind of high chemism low fine rate metallic silicon power of photovoltaic industry, belong to the silicon materials manufacture field.
Background technology
For the photovoltaic industry, the specific area of metallic silicon power is an important indicator of reaction silica flour activity, and the specific area of powder is that the surface area that occupies of unit mass is take ㎡/g as unit.The silica flour specific area is larger, participates in reaction speed faster, reacts more perfect, and the utilization rate of silicon is higher, and conversion zone fluidisation attitude is better, and silicon consumption rate is lower, thereby shows that its activity is higher.A lot of take silico briquette as the method for waste silica flour in prior art.That in this, effect is better, application is more is Lei Mengfa, and method is revolved in double roll process, mill method and punching.Device therefor is corresponding is that equipment is revolved in Raymond mill, twin rollers, disc mill (also claiming Vertical Mill) and punching.See with regard to the powder process principle, first three kind is that extruding is pulverized, rear a kind of be impact comminution, see with regard to its structure, different very large, have their own characteristics each, pluses and minuses are respectively arranged.The process equipment of first three kind prepares metallic silicon power, has the direct friction compressional movement of metal and silicon, thereby the easy powder of crossing seriously causes the fine powder rate too high, generally can surpass 15%, even reach 25%, and the too high production cost that can cause again of fine powder rate is too high.Therefore if develop a kind of Preparation equipment and preparation technology who takes into account the metallic silicon power of specific area and fine powder rate, will seem very necessary.
Summary of the invention
One of purpose of the present invention is to provide a kind of rotating metallic silicon crushing process that rushes, the mode that adopts wind-force and mechanical power to combine, drive metallic silicon self high-speed motion, from being broken into mutually powder, make the metallic silicon power specific area reach 0.69 ㎡/g, simultaneously the fine powder ratio is reduced to 8% preparation technology with interior high chemism low fine rate metallic silicon power.
Two of purpose of the present invention is to provide the special equipment of described technique.
One of purpose of the present invention is achieved in that its preparation technology is as follows:
(1), the raw material of 10-20cm is stored in raw material cabin, in jaw crusher, jaw crusher carries out raw material broken for the first time, is crushed to 2-5cm by the first batcher transferring raw material;
(2), the material lifting by the first elevator after with fragmentation is to the bistrique storehouse, material buffer before entering airswept mill first passes through the first tramp iron separator the iron compound in material is removed;
(3), transport material to airswept mill by the second oscillating feeder again, adjust the rotating speed of airswept mill, change the linear velocity of internal blade, be crushed to for the second time the granularity section semi-finished product silica flour of 700-50 μ m;
(4), again by the second elevator, grinding machine semi-finished product silica flour is out promoted and enter the second tramp iron separator, after the iron compound in the semi-finished product silica flour is removed, then enter into surge bunker;
(5), carry the semi-finished product silica flour to screen(ing) machine by the 3rd oscillating feeder, according to the product grading requirement, the vibratory sieve of screen(ing) machine is sieved into the semi-finished product silica flour greater than finished product section, finished product section with less than the finished product section by the granularity section; Semi-finished product silica flour greater than the finished product section enters belt feed back machine, by belt feed back machine, it is transmitted back to bistrique storehouse preparation again broken; Finished product section and first detecting less than the semi-finished product silica flour of finished product section, then packing respectively;
(6), according to the specification requirement of product, by the proportioning of carrying out between finished product section and both the semi-finished product silica flours less than the finished product section finally is prepared into product.
Utilize the finished product section and less than the compound method process that both semi-finished product silica flours of finished product section are mixed with product be:
(1), according to the percentage that product granularity requires, press the finished product section and less than the testing result of two kinds of semi-finished product silica flours of finished product section, design the finished product section and less than two kinds of percentages that the semi-finished product silica flour is prepared of finished product section;
(2), according to the finished product section with less than two kinds of percentages that the semi-finished product silica flour is prepared of finished product section, regulate converter parameter and control the motor revolution of batching motor, by batching motor feed at the uniform velocity, make the finished product section and reach the requirement of the percentage quantity of batching less than two kinds of semi-finished product silica flours of finished product section;
(3), each semi-finished product section mix the strand even, general detection reaches product requirement, is packaged into finished product.
two of purpose of the present invention is to realize like this, special equipment comprises raw material cabin, batcher, jaw crusher, two elevators, two tramp iron separators, the bistrique storehouse, oscillating feeder, airswept mill, surge bunker, vibratory sieve and belt feed back machine, raw material cabin is positioned at the top of the first batcher, the import position of the first batcher is positioned at the below at the outlet position of raw material cabin, the outlet position of the first batcher is corresponding with the position of the charging aperture of jaw crusher, the discharging opening of jaw crusher is communicated with the charging aperture of the first elevator by the first paragraph pipeline, the discharging opening of the first elevator is communicated with the bistrique storehouse by the second segment pipeline, be provided with the first tramp iron separator in the second segment pipeline, the bistrique storehouse is the surge bunker of airswept mill top, the bistrique storehouse is provided with level-sensing device, be provided with the second oscillating feeder below the discharging opening in bistrique storehouse, the discharging opening of the second oscillating feeder is communicated with by the 3rd segment pipe with the charging aperture of airswept mill, the discharging opening of airswept mill is communicated with the charging aperture of the second elevator by the 4th segment pipe, the discharging opening of the second elevator is communicated with surge bunker by the 5th segment pipe, be provided with the second tramp iron separator in the 5th segment pipe, be provided with the 3rd oscillating feeder below the discharging opening of surge bunker, be provided with vibratory sieve below the discharging opening of the 3rd oscillating feeder, vibratory sieve is provided with three layers of screen cloth, namely greater than finished product section layer screen cloth, finished product section layer screen cloth and less than finished product section layer screen cloth, wherein the outlet greater than finished product section layer screen cloth is communicated with the charging aperture of belt feed back machine, the discharging opening of belt feed back machine is communicated with the charging aperture in bistrique storehouse.
Vibratory sieve is linear vibrating screen and ultrasonic vibration sieve.
Batcher major function transferring raw material is to jaw crusher; The jaw crusher major function is carried out raw material broken for the first time; The elevator major function with fragmentation after material transportation to the bistrique storehouse; The airswept mill major function be adjust linear speed that mill speed changes internal blade produce institute must a product granularity section product requirement 50-700 μ m; The linear vibrating screen major function is sieved into finished product with semi-finished product by the granularity section; The main recleaner screen semi-finished product of ultrasonic vibration sieve major function.
elevator comprises the lifting tower body, reductor, motor, the electricity wheel cover, hopper, chain and contact roller, promote on tower body, under be respectively equipped with discharging opening and charging aperture, the top that promotes tower body is provided with reductor, motor and electric wheel cover, be provided with hopper in the tower body of lifting tower body, chain and contact roller, motor is provided with electric wheel cover outward, motor via reducer is connected with the sprocket wheel that is positioned at the center, top that promotes tower body, sprocket wheel is connected with the contact roller that is positioned at the bottom dead center position that promotes tower body by chain, chain is provided with some hoppers, the hopper port of hopper is corresponding with the position of discharging opening and charging aperture respectively.
The present invention has the following advantages:
1, the metallic silicon power specific area reaches 0.69 ㎡/g, and for the actual conditions of the mill formula of metallic silicon roller in the market and mill formula technique, the present invention improves its specific area under the prerequisite that does not increase production cost, greatly improve the chemism of metallic silicon power;
2, reduce the fine powder rate, reduce production costs 50%.The mode that the present invention adopts wind-force and mechanical power to combine drives metallic silicon self high-speed motion, from being broken into mutually powder, greatly reduced the direct friction compressional movement of metal and silicon, thereby, the fine powder ratio is reduced in 8% from 15%, reduce production costs 50%.
Description of drawings
Fig. 1, embodiment of the present invention process chart.
The main TV structure schematic diagram of Fig. 2, embodiment of the present invention special equipment.
The plan structure schematic diagram of Fig. 3, embodiment of the present invention special equipment.
The Structure of hoist schematic diagram of Fig. 4, embodiment of the present invention special equipment.
The elevator sectional structure schematic diagram of Fig. 5, embodiment of the present invention special equipment.
In figure: raw material cabin 1, batcher 2, jaw crusher 3, elevator 4,10, tramp iron separator 5, level-sensing device 6, bistrique storehouse 7, oscillating feeder 8,12, airswept mill 9, surge bunker 11, vibratory sieve 13, belt feed back machine 14, reductor 15, motor 16, electric wheel cover 17 promotes tower body 18, hopper 19, chain 20, contact roller 21.
The specific embodiment
The present invention can specifically implement by the technology that illustrates in summary of the invention, and by the following examples can the invention will be further described, yet scope of the present invention is not limited to following embodiment.
Embodiment 1: per hour to produce the 1000Kg metallic silicon power as example:
process equipment comprises raw material cabin 1, batcher 2, jaw crusher 3, elevator 4, 10, tramp iron separator 5, bistrique storehouse 7, oscillating feeder 8, 12, airswept mill 9, surge bunker 11, vibratory sieve 13 and belt feed back machine 14, it is characterized in that, raw material cabin 1 is positioned at the top of batcher 2, the import position of batcher 2 is positioned at the below at the outlet position of raw material cabin 1, the outlet position of batcher 2 is corresponding with the position of the charging aperture of jaw crusher 3, the discharging opening of jaw crusher 3 is communicated with by the charging aperture of pipeline with elevator 4, the discharging opening of elevator 4 is communicated with bistrique storehouse 7 by pipeline, be provided with the first tramp iron separator 5 in this pipeline, bistrique storehouse 7 is provided with level-sensing device 6, level-sensing device 6 utilizes the high-low-position automatic alarm of material to control, the feed bin height design is 1000mm, metallic silicon reaches in feed bin lower than automatically sending alarm in the 200mm scope higher than 800mm in feed bin, before and after controlling, the quantity delivered of material reaches the requirement of regulating the position in storehouse stock, be provided with oscillating feeder 8 below the discharging opening in bistrique storehouse 7, the charging aperture of the discharging opening of oscillating feeder 8 and airswept mill 9 passes through pipeline communication, the discharging opening of airswept mill 9 is communicated with by the charging aperture of pipeline with elevator 10, the discharging opening of elevator 10 is communicated with surge bunker 11 by pipeline, be provided with the second tramp iron separator 5 in this pipeline, be provided with oscillating feeder 12 below the discharging opening of surge bunker 11, be provided with vibratory sieve 13 below the discharging opening of oscillating feeder 12, vibratory sieve 13 is provided with three layers of screen cloth, namely greater than finished product section layer screen cloth, finished product section layer screen cloth and less than finished product section layer screen cloth, wherein the outlet greater than finished product section layer screen cloth is communicated with the charging aperture of belt feed back machine 14, the discharging opening of belt feed back machine 14 is communicated with the charging aperture in bistrique storehouse 7.
Whole technique can be set as three feed bins and be connected process equipment with pipeline: it is tentatively that 2cm is roughing by the broken range of work metallic silicon of Hubei Province formula that first's raw material cabin is set, and pipeline connects; Establish the material level storehouse before the second portion abrasive material, setting metallic silicon power, to be controlled at 200-800mm high, sets granularity 700 ~ 50 μ m of airswept mill processing metal silica flour, and pipeline connects; The third part surge bunker is carried linear vibrating screen with airswept mill 700-50 μ m metallic silicon power by the 3rd oscillating feeder, carries out 3 layers of sub-sieve, and pipeline connects.Equipment electrical equipment is controlled by ACP electrical equipment platform, and the ACP console is provided with the switch of each production process equipment, must stir electric switch 1 by the technological process order during production) the first elevator; 2) jaw crusher; 3) the first batcher; 4) the second elevator; 5) airswept mill; 6) belt feed back machine; 7) linear vibrating screen 8) the second oscillating feeder; 9) the 3rd oscillating feeder.
Batcher major function transferring raw material is to jaw crusher; The jaw crusher major function is carried out raw material broken for the first time; The airswept mill major function be adjust linear speed that mill speed changes internal blade carry out broken for the second time, the palpus product granularity section product requirement 700-50 μ m to reach; The linear vibrating screen major function is sieved into finished product with semi-finished product by the granularity section; The main recleaner screen semi-finished product of ultrasonic vibration sieve major function.
The product quality of the present embodiment requires: the 553# trade mark, specification: 630 μ m ~ 90 μ m; Specification requirement+630 μ m≤5% ,-90 μ m≤10%.
Preparation technology: raw material 553# trade mark silico briquette 10-20cm puts into raw material cabin, and the first batcher is set electric current 3A, frequency 32Hz; The raw material silico briquette is undertaken after fragmentation is machined to 2cm first by setting jaw crusher; Be 5.5kw by the building machine electrical power again, 15T/h plate chain type the first elevator per hour, the silico briquette after fragmentation should be through the first tramp iron separators before rising to the bistrique storehouse, and silico briquette is material buffer before the bistrique storehouse enters airswept mill.oscillating feeder 8 setpoint frequency 32Hz convey materials are to airswept mill, mill speed answer adjusting rotary speed 850 turn/speed of min comes production granularity section 630 ~ 90 μ m silica flours, grinding machine out silica flour should be through the second tramp iron separator before the surge bunker by the second elevator, the silica flour of surge bunker by oscillating feeder 12 setpoint frequency 32Hz after semi-finished product directly carry setting power 2 * 1.5, vibration 960r/min, amplitude 3-4.5mm linear vibrating screen, the straight line screen cloth is by having three layers: 1)+630 μ m are that the 1st layer of straight line screen cloth exceeds the part metals silica flour and re-used the control appliance running by belt-conveying to the feed back storehouse and produce processing again more than screen cloth, 2) 630 μ m-90 μ m are the 2nd layer of screen cloth of straight line screen cloth, 3)-90 following metallic silicon powers of μ m are the 3rd layer of screen cloth of straight line screen cloth.Wherein the 2nd, 3 layer of specification metallic silicon power packed with strap respectively after detecting.The scope that has exceeded-90 μ m≤10% as the fine powder that requires in silica flour in 630 μ m-90 μ m also needs partly to become product to pack through meticulous the sifting out of ultrasonic vibration sieve setpoint frequency 45Hz+90 μ m.Equipment is according to different Customer Quality requirements, and each process equipment parameter need be advanced adjustment and reset.
Semi-finished product after packing carry out proportioning, the customer requirement trade mark: 553# as requested; Specification: 630 μ m ~ 90 μ m; Specification requirement+630 μ m≤5% ,-90 μ m≤10%.
Matching method: 630um=7%(exceeds claimed range 2% as the actual measurement semi-finished product) ,-630 μ m≤2% is carried out proportioning.After comprehensive, 630 μ m actual measurements are 4.5%, are requiring-630 μ m≤5% to meet the requirements.
Batching motor major function is carried out proportioning on request according to the segmentation finished product.
The specific area of metallic silicon power reaches more than or equal to 0.69 ㎡/g, and the fine powder ratio is reduced to below 8%.
Each parameter is:
1, silico briquette raw material specification 10-20cm;
2, batcher adopts the electromagnetic feeder feed, when being used for batching, dosing, guarantees that feed is uniform and stable, prevents that the material gravity flow level of answering from installing.Electromagnetic feeder current settings 0-3A, frequency 0-50Hz;
3, jaw crusher adopts the PEF jaw crusher, and 2-5cm is set in the gap, auxiliary motor power 15kw, and speed of mainshaft 250-300 turns/min;
4, elevator adopts plate link chain type hoist, supporting electric power 5.5kw, conveying capacity 15T/H;
5, airswept mill adopts XF1000 type airswept mill, and rotary speed is 850-1000 rev/min;
6, vibratory sieve adopts the XZSF linear vibrating screen, power 2 * 1.5 power, vibration 960r/min, amplitude 3-4.5mm;
7, vibratory sieve adopts 800 ultrasonic vibration sieves, necessary electromotor power 0.75kw, frequency 0-50HZ;
8, batching motor batching, necessary electromotor power 5.5kw regulates change device parameter frequency 0-50HZ;
9, motor power 380AC.
Claims (5)
1. the preparation technology of one kind high chemism low fine rate metallic silicon power, it is characterized in that: its preparation technology is as follows:
(1), the raw material of 10-20cm is stored in raw material cabin, in jaw crusher, jaw crusher carries out raw material broken for the first time, is crushed to 2-5cm by the first batcher transferring raw material;
(2), the material lifting by the first elevator after with fragmentation is to the bistrique storehouse, material buffer before entering airswept mill first passes through the first tramp iron separator the iron compound in material is removed;
(3), transport material to airswept mill by the second oscillating feeder again, adjust the rotating speed of airswept mill, change the linear velocity of internal blade, be crushed to for the second time the semi-finished product silica flour of the granularity section of 700-50 μ m;
(4), again by the second elevator, grinding machine semi-finished product silica flour is out promoted and enter the second tramp iron separator, after the iron compound in the semi-finished product silica flour is removed, then enter into surge bunker;
(5), carry the semi-finished product silica flour to screen(ing) machine by the 3rd oscillating feeder, according to the product grading requirement, the vibratory sieve of screen(ing) machine is sieved into the semi-finished product silica flour greater than finished product section, finished product section with less than the finished product section by the granularity section; Semi-finished product silica flour greater than the finished product section enters belt feed back machine, by belt feed back machine, it is transmitted back to bistrique storehouse preparation again broken; Finished product section and first detecting less than the semi-finished product silica flour of finished product section, then packing respectively;
(6), according to the specification requirement of product, by the proportioning of carrying out between finished product section and both the semi-finished product silica flours less than the finished product section finally is prepared into product.
2. the preparation technology of a kind of high chemism low fine rate metallic silicon power according to claim 1 is characterized in that: utilize the finished product section and less than the compound method process that both semi-finished product silica flours of finished product section are mixed with product be:
(1), according to the percentage that product granularity requires, press the finished product section and less than the testing result of two kinds of semi-finished product silica flours of finished product section, design the finished product section and less than two kinds of percentages that the semi-finished product silica flour is prepared of finished product section;
(2) according to the finished product section with less than two kinds of percentages that the semi-finished product silica flour is prepared of finished product section, regulate converter parameter and control the motor revolution of batching motor, by batching motor feed at the uniform velocity, make the finished product section and reach the requirement of the described percentage of designing the finished product section and preparing less than two kinds of semi-finished product silica flours of finished product section less than two kinds of semi-finished product silica flours of finished product section;
(3), the finished product section with to mix strand less than two kinds of semi-finished product silica flours of finished product section even, general detection reaches product requirement, is packaged into finished product.
3. the preparation technology's of a kind of high chemism low fine rate metallic silicon power claimed in claim 1 special equipment, it comprises raw material cabin (1), the first batcher (2), the second and the 3rd oscillating feeder (8, 12), jaw crusher (3), the first and second elevators (4, 10), the first and second tramp iron separators (5), bistrique storehouse (7), airswept mill (9), surge bunker (11), vibratory sieve (13) and belt feed back machine (14), it is characterized in that: raw material cabin (1) is positioned at the top of the first batcher (2), the import position of the first batcher (2) is positioned at the below at the outlet position of raw material cabin (1), the outlet position of the first batcher (2) is corresponding with the position of the charging aperture of jaw crusher (3), the discharging opening of jaw crusher (3) is communicated with the charging aperture of the first elevator (4) by the first paragraph pipeline, the discharging opening of the first elevator (4) is communicated with bistrique storehouse (7) by the second segment pipeline, be provided with the first tramp iron separator (5) in the second segment pipeline, bistrique storehouse (7) is provided with level-sensing device (6), the running of equipment before and after controlling, be provided with the second oscillating feeder (8) below the discharging opening in bistrique storehouse (7), the discharging opening of the second oscillating feeder (8) is communicated with by the 3rd segment pipe with the charging aperture of airswept mill (9), the discharging opening of airswept mill (9) is communicated with the charging aperture of the second elevator (10) by the 4th segment pipe, the discharging opening of the second elevator (10) is communicated with surge bunker (11) by the 5th segment pipe, be provided with the second tramp iron separator (5) in the 5th segment pipe, be provided with the 3rd oscillating feeder (12) below the discharging opening of surge bunker (11), be provided with vibratory sieve (13) below the discharging opening of the 3rd oscillating feeder (12), vibratory sieve (13) is provided with three layers of screen cloth, namely greater than finished product section layer screen cloth, finished product section layer screen cloth and less than finished product section layer screen cloth, wherein the outlet greater than finished product section layer screen cloth is communicated with the charging aperture of belt feed back machine (14), the discharging opening of belt feed back machine (14) is communicated with the charging aperture in bistrique storehouse (7).
4. the preparation technology's of a kind of high chemism low fine rate metallic silicon power according to claim 3 special equipment, it is characterized in that: the first and second elevators (4, 10) comprise lifting tower body (18), reductor (15), motor (16), electricity wheel cover (17), hopper (19), chain (20) and contact roller (21), promote on tower body (18), under be respectively equipped with discharging opening and charging aperture, the top that promotes tower body (18) is provided with reductor (15), motor (16) and electric wheel cover (17), be provided with hopper (19) in the tower body of lifting tower body (18), chain (20) and contact roller (21), the outer electric wheel cover (17) that is provided with of motor (16), motor (16) is connected with the sprocket wheel that is positioned at the center, top that promotes tower body (18) by reductor (15), sprocket wheel is connected with the contact roller (21) that is positioned at the bottom dead center position that promotes tower body (18) by chain (20), chain (20) is provided with some hoppers (19), the hopper port of hopper (19) is corresponding with the position of discharging opening and charging aperture respectively.
5. the preparation technology's of according to claim 3 or 4 described a kind of high chemism low fine rate metallic silicon powers special equipment is characterized in that: vibratory sieve (13) is linear vibrating screen and ultrasonic vibration sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110006700 CN102218364B (en) | 2011-01-13 | 2011-01-13 | Preparation process of silicon metal powder with high chemical activity and low fine powder rate and special equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110006700 CN102218364B (en) | 2011-01-13 | 2011-01-13 | Preparation process of silicon metal powder with high chemical activity and low fine powder rate and special equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102218364A CN102218364A (en) | 2011-10-19 |
| CN102218364B true CN102218364B (en) | 2013-05-08 |
Family
ID=44775214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110006700 Expired - Fee Related CN102218364B (en) | 2011-01-13 | 2011-01-13 | Preparation process of silicon metal powder with high chemical activity and low fine powder rate and special equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102218364B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102430459B (en) * | 2011-10-28 | 2014-02-12 | 彩虹（张家港）平板显示有限公司 | Glass pulverizing machine and control method thereof |
| CN103586476B (en) * | 2013-10-18 | 2015-07-22 | 江西稀有稀土金属钨业集团有限公司 | Combined type hydrogen storage alloy preparation system |
| CN103878060A (en) * | 2014-04-09 | 2014-06-25 | 陕西三沅重工发展股份有限公司 | Closed dry separation equipment for low-grade magnetite |
| CN104923370B (en) * | 2015-06-21 | 2018-01-16 | 合盛硅业股份有限公司 | Metallic silicon power preparation technology and device |
| CN105149074B (en) * | 2015-10-11 | 2017-10-17 | 怒江宏盛锦盟硅业有限公司 | A kind of metallic silicon crushing system |
| CN105772197B (en) * | 2016-03-15 | 2019-05-03 | 东莞市五全机械有限公司 | A kind of ultra tiny roller mill equipment production flow |
| CN106824475A (en) * | 2017-01-16 | 2017-06-13 | 浙江中州硅业有限公司 | A kind of industrial silicon p owder production technique |
| CN107309047A (en) * | 2017-07-27 | 2017-11-03 | 天津邦克科技有限公司 | Building station type nonmetallic wear-resistant material system of processing and its processing technology |
| CN107824064A (en) * | 2017-12-07 | 2018-03-23 | 青海爱能森新材料科技有限公司 | A kind of thermal energy storage material automates preparation facilities |
| CN110201773A (en) * | 2019-05-14 | 2019-09-06 | 辉县市新科机械设备有限公司 | Metallic silicon power produces and processes system |
| CN117755766B (en) * | 2024-02-22 | 2024-05-24 | 阳泉冀东水泥有限责任公司 | Novel plate link chain lifting machine bottom device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2656009Y (en) * | 2003-10-10 | 2004-11-17 | 淄博矿业集团有限责任公司许厂煤矿 | Circulating crusher |
| CN1251967C (en) * | 2003-01-07 | 2006-04-19 | 蓝星化工新材料股份有限公司江西星火有机硅厂 | Method for processing silicon powder and its system |
| CN100999674A (en) * | 2006-12-22 | 2007-07-18 | 石家庄五环矿山设备有限公司 | Braize resupplied, vibrating and pulverizing tech. |
| CN101214461A (en) * | 2007-12-28 | 2008-07-09 | 海城市万达机械有限公司 | Vertical ultra-fine powder mill |
| CN101269348A (en) * | 2007-03-21 | 2008-09-24 | 湖南省电力粉煤灰开发有限公司 | Novel technique for producing limestone powder |
| CN201669124U (en) * | 2009-12-14 | 2010-12-15 | 中煤能源黑龙江煤化工有限公司 | Powder preparing device for crushed shale |
| CN201931085U (en) * | 2011-01-13 | 2011-08-17 | 抚州聚源硅业有限公司 | Equipment special for preparing metallic silicon powder |
-
2011
- 2011-01-13 CN CN 201110006700 patent/CN102218364B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1251967C (en) * | 2003-01-07 | 2006-04-19 | 蓝星化工新材料股份有限公司江西星火有机硅厂 | Method for processing silicon powder and its system |
| CN2656009Y (en) * | 2003-10-10 | 2004-11-17 | 淄博矿业集团有限责任公司许厂煤矿 | Circulating crusher |
| CN100999674A (en) * | 2006-12-22 | 2007-07-18 | 石家庄五环矿山设备有限公司 | Braize resupplied, vibrating and pulverizing tech. |
| CN101269348A (en) * | 2007-03-21 | 2008-09-24 | 湖南省电力粉煤灰开发有限公司 | Novel technique for producing limestone powder |
| CN101214461A (en) * | 2007-12-28 | 2008-07-09 | 海城市万达机械有限公司 | Vertical ultra-fine powder mill |
| CN201669124U (en) * | 2009-12-14 | 2010-12-15 | 中煤能源黑龙江煤化工有限公司 | Powder preparing device for crushed shale |
| CN201931085U (en) * | 2011-01-13 | 2011-08-17 | 抚州聚源硅业有限公司 | Equipment special for preparing metallic silicon powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102218364A (en) | 2011-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102218364B (en) | Preparation process of silicon metal powder with high chemical activity and low fine powder rate and special equipment | |
| CN210279281U (en) | Conveying equipment for refractory material production raw materials | |
| CN102861628B (en) | Non-matching system of prebaked anode materials | |
| CN203355840U (en) | Production line for manufacturing sand through ball-milling | |
| CN105619617A (en) | Concrete mixing station made of building waste | |
| CN103801443B (en) | A kind of active slag powder production system and technological process thereof | |
| CN202387518U (en) | Large vertical roller mill for ultrafine milling | |
| CN103214198A (en) | Cement production method | |
| CN106490654A (en) | A kind of feed for shrimp and crab system of processing and processing technique | |
| CN203917150U (en) | Novel pair of transmission environment protection energy-saving efficient separator | |
| CN202700561U (en) | Proportioning-free system for prebaked anode material | |
| CN101665334A (en) | Method and system for grinding circulating flow-distribution cement | |
| CN204220251U (en) | Calcined coke deep processing device | |
| CN102266945A (en) | Ball-milling process and device for iron-based alloy powder | |
| CN207463396U (en) | A kind of automatically processing device that rice flour technique is made for rice | |
| CN101972696A (en) | Production system of desulfurized limestone powder in circulating fluidized bed (CFB) boiler | |
| CN103831157A (en) | Crushing device of aluminum oxide crusting block | |
| CN205199669U (en) | Special production line of metal silica flour processing | |
| CN201931085U (en) | Equipment special for preparing metallic silicon powder | |
| CN202704601U (en) | Automatic straw-material single-shaft two-direction stirring distribution device | |
| CN202621138U (en) | Automatic feeding system used in production processes of ball milling and prilling | |
| CN209810321U (en) | Vertical powder mill for powder material | |
| CN207357216U (en) | Intelligent silver ore fine break charging gear | |
| CN104384007B (en) | Process and device for preparing lime powder for KR desulfurizing agent | |
| CN202290240U (en) | Fine grinding system for mineral powder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20150113 |
|
| EXPY | Termination of patent right or utility model |