CN110775982A - Silica micropowder purification device - Google Patents
Silica micropowder purification device Download PDFInfo
- Publication number
- CN110775982A CN110775982A CN201911206998.XA CN201911206998A CN110775982A CN 110775982 A CN110775982 A CN 110775982A CN 201911206998 A CN201911206998 A CN 201911206998A CN 110775982 A CN110775982 A CN 110775982A
- Authority
- CN
- China
- Prior art keywords
- stirring device
- stirring
- silica powder
- filter screen
- electromagnetic roller
- 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.)
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 23
- 238000000746 purification Methods 0.000 title claims abstract description 17
- 238000003756 stirring Methods 0.000 claims abstract description 48
- 239000000843 powder Substances 0.000 claims abstract description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001179 sorption measurement Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052710 silicon Inorganic materials 0.000 abstract description 11
- 239000010703 silicon Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000002253 acid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910021487 silica fume Inorganic materials 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Silicon Compounds (AREA)
Abstract
A silica powder purification device comprises a stirring device, wherein a silica powder feeding hole is formed in the stirring device, a filtering part is arranged on the silica powder feeding hole and comprises a cylindrical support, a filter screen is arranged on the cylindrical support, and the top of the filter screen is sealed; a magnetic adsorption device is arranged below the feeding hole, the magnetic adsorption device comprises an electromagnetic roller and a scraper matched with the roller surface of the electromagnetic roller, and the scraper is arranged along the axial direction of the electromagnetic roller at one side close to the inner wall of the stirring device; the bottom of the stirring device is provided with a stirring motor, the top end of the stirring motor is provided with a stirring blade, the side wall of the stirring device is provided with a water inlet and a hydrochloric acid feed inlet, and the bottom of the stirring device is provided with a discharge hole. The invention has simple structure, novel filter screen design saves materials, the inverted installation method is not easy to block in use, the magnetic adsorption device and the hydrochloric acid purification realize the combined action of physical purification and chemical purification, and the high-purity silicon micropowder can be obtained.
Description
Technical Field
The invention relates to the technical field of industrial purification, in particular to a silicon micro-powder purification device.
Background
The silicon micropowder is a non-toxic, tasteless and pollution-free inorganic non-metallic material, the main component is silicon dioxide, and the silicon dioxide has excellent performances of good temperature resistance, acid and alkali corrosion resistance, high insulation, stable chemical performance, high hardness and the like, so the silicon micropowder is widely applied to the fields of chemical industry, electronics, electrical appliances, plastics, coatings, high-grade paint, rubber and the like. Silica fume is formed by quartz sand and coke in the electric stove, and the impurity that contains in the silica fume is metal particle and free carbon in process of production, and some traditional edulcoration equipment realize the edulcoration through stirring, filter equipment repeatedly, but the mesh nature is not strong, and the edulcoration effect is not good, and wastes time and energy.
Disclosure of Invention
The invention aims to solve the technical problem of providing a silicon micropowder purification device with simple structure and good purification effect aiming at the defects of the prior art.
The technical problem to be solved by the invention is realized by the following technical scheme, and the silicon micro powder purification device is characterized in that: the device comprises a stirring device, wherein a detachable silica powder feeding port is arranged at the upper part of the stirring device, a filtering part is arranged on the silica powder feeding port, the filtering part comprises a cylindrical support, the outer wall of the cylindrical support is fixedly connected with the inner wall of the silica powder feeding port, a filter screen is arranged, the bottom of the filter screen is fixedly connected to the inner wall of the cylindrical support, and the top of the filter screen is sealed;
a magnetic adsorption device is arranged below the silica powder feed inlet and comprises an electromagnetic roller, the electromagnetic roller is fixed on the stirring device through a support and is provided with a detachable scraper matched with the roller surface of the electromagnetic roller, and the scraper is arranged along the axial direction of the electromagnetic roller at one side close to the inner wall of the stirring device;
the bottom of the stirring device is fixedly provided with a stirring motor, the top end of the stirring motor is provided with a stirring blade, the side wall of the stirring device is provided with a water inlet and a hydrochloric acid feed inlet, and the bottom of the stirring device is provided with a discharge hole.
The technical problem to be solved by the invention can be further realized by the following technical scheme that a rotating shaft of the electromagnetic roller is connected with a support through a bearing driven by an external motor.
The technical problem to be solved by the invention can be further realized by the following technical scheme, and a pH detector is arranged in the stirring device.
Compared with the prior art, the invention has the advantages of simple structure, convenient manufacture, novel filter screen design, material saving, difficult blockage in the use of the inverted installation method, realization of the combined action of physical purification and chemical purification by the magnetic adsorption device and hydrochloric acid purification, and capability of obtaining high-purity silicon micropowder.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
The following further describes particular embodiments of the present invention to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
A silica powder purification device comprises a stirring device 8, a detachable silica powder feeding port 7 is arranged at the upper part of the stirring device 8, a filtering part is arranged on the silica powder feeding port 7 and comprises a cylindrical support 2, the outer wall of the cylindrical support 2 is fixedly connected with the inner wall of the silica powder feeding port 7, a filter screen 1 is arranged, the bottom of the filter screen 1 is fixedly connected to the inner wall of the cylindrical support 2, and the top of the filter screen 1 is sealed;
a magnetic adsorption device is arranged below the silica powder feed inlet 7, the magnetic adsorption device comprises an electromagnetic roller 5, the electromagnetic roller 5 is fixed on a stirring device 8 through a support 4, a detachable scraper 3 matched with the roller surface of the electromagnetic roller 5 is arranged, and the scraper 3 is arranged along the axial direction of the electromagnetic roller 5 on one side close to the inner wall of the stirring device 8;
a stirring motor 12 is fixedly arranged at the bottom of the stirring device 8, a stirring blade 6 is arranged at the top end of the stirring motor 12, a water inlet 10 and a hydrochloric acid inlet 9 are arranged on the side wall of the stirring device 8, and a discharge hole 11 is arranged at the bottom of the stirring device 8.
And a rotating shaft of the electromagnetic roller 5 is connected with the support 4 through a bearing driven by an external motor.
A pH detector is arranged in the stirring device 8.
The purification steps are as follows: (1) and (3) filtering: adding the raw materials into a silicon micro powder feeding hole, screening through a filter screen to remove particles, periodically disassembling the silicon micro powder feeding hole, and pouring out the accumulated particles; (2) magnetic adsorption: the filtered silicon powder falls onto the electromagnetic roller through a silicon powder feeding port, falls into a stirring device after an adsorption process, and a scraper periodically scrapes off the roller surface of the electromagnetic roller; (3) stirring: adding water into the stirring device through a water inlet to control the concentration of the silicon micropowder to be 5g/L, and starting stirring; (4) adding acid: adding hydrochloric acid into the stirring device through a hydrochloric acid feed port, adjusting the pH value to 6-7, and naturally settling for 0.5-3 h to obtain the high-purity silicon micropowder with the purity of more than 90%.
Claims (3)
1. A silica micropowder purification device is characterized in that: the device comprises a stirring device, wherein a detachable silica powder feeding port is arranged at the upper part of the stirring device, a filtering part is arranged on the silica powder feeding port, the filtering part comprises a cylindrical support, the outer wall of the cylindrical support is fixedly connected with the inner wall of the silica powder feeding port, a filter screen is arranged, the bottom of the filter screen is fixedly connected to the inner wall of the cylindrical support, and the top of the filter screen is sealed;
a magnetic adsorption device is arranged below the silica powder feed inlet and comprises an electromagnetic roller, the electromagnetic roller is fixed on the stirring device through a support and is provided with a detachable scraper matched with the roller surface of the electromagnetic roller, and the scraper is arranged along the axial direction of the electromagnetic roller at one side close to the inner wall of the stirring device;
the bottom of the stirring device is fixedly provided with a stirring motor, the top end of the stirring motor is provided with a stirring blade, the side wall of the stirring device is provided with a water inlet and a hydrochloric acid feed inlet, and the bottom of the stirring device is provided with a discharge hole.
2. The apparatus for purifying fine silica powder according to claim 1, wherein: the rotating shaft of the electromagnetic roller is connected with the support through a bearing driven by an external motor.
3. The apparatus for purifying fine silica powder according to claim 1, wherein: a pH detector is arranged in the stirring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911206998.XA CN110775982A (en) | 2019-11-30 | 2019-11-30 | Silica micropowder purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911206998.XA CN110775982A (en) | 2019-11-30 | 2019-11-30 | Silica micropowder purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110775982A true CN110775982A (en) | 2020-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911206998.XA Pending CN110775982A (en) | 2019-11-30 | 2019-11-30 | Silica micropowder purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110775982A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765728A (en) * | 2012-08-08 | 2012-11-07 | 确成硅化学股份有限公司 | Precipitation reactor for producing highly dispersed silicon dioxide |
| CN203568861U (en) * | 2013-11-21 | 2014-04-30 | 成都兴能新材料有限公司 | Acid leaching device of silicon material |
| CN107115965A (en) * | 2017-06-29 | 2017-09-01 | 郑州东林润光伏材料科技有限公司 | Silicon carbide micro-powder deironing apparatus and its application method |
| CN206828104U (en) * | 2017-06-20 | 2018-01-02 | 连云港太阳光石英陶瓷有限公司 | A kind of purification device for quartz sand |
| CN208288243U (en) * | 2018-09-18 | 2018-12-28 | 龙川县明昊石英新材料有限公司 | A kind of quartz sand multistage purification device |
| CN109110768A (en) * | 2018-09-29 | 2019-01-01 | 徐州赛诺石英有限公司 | A kind of quartz sand exclusion device |
| CN208711925U (en) * | 2018-08-17 | 2019-04-09 | 连云港浩森矿产品有限公司 | A kind of silicon powder impurity removing equipment |
| CN209554800U (en) * | 2019-01-28 | 2019-10-29 | 贵州超亚纳米基材有限公司 | A kind of silicon powder purifying plant |
| CN211169872U (en) * | 2019-11-30 | 2020-08-04 | 连云港海蓝研磨材料有限公司 | Silica micropowder purification device |
-
2019
- 2019-11-30 CN CN201911206998.XA patent/CN110775982A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765728A (en) * | 2012-08-08 | 2012-11-07 | 确成硅化学股份有限公司 | Precipitation reactor for producing highly dispersed silicon dioxide |
| CN203568861U (en) * | 2013-11-21 | 2014-04-30 | 成都兴能新材料有限公司 | Acid leaching device of silicon material |
| CN206828104U (en) * | 2017-06-20 | 2018-01-02 | 连云港太阳光石英陶瓷有限公司 | A kind of purification device for quartz sand |
| CN107115965A (en) * | 2017-06-29 | 2017-09-01 | 郑州东林润光伏材料科技有限公司 | Silicon carbide micro-powder deironing apparatus and its application method |
| CN208711925U (en) * | 2018-08-17 | 2019-04-09 | 连云港浩森矿产品有限公司 | A kind of silicon powder impurity removing equipment |
| CN208288243U (en) * | 2018-09-18 | 2018-12-28 | 龙川县明昊石英新材料有限公司 | A kind of quartz sand multistage purification device |
| CN109110768A (en) * | 2018-09-29 | 2019-01-01 | 徐州赛诺石英有限公司 | A kind of quartz sand exclusion device |
| CN209554800U (en) * | 2019-01-28 | 2019-10-29 | 贵州超亚纳米基材有限公司 | A kind of silicon powder purifying plant |
| CN211169872U (en) * | 2019-11-30 | 2020-08-04 | 连云港海蓝研磨材料有限公司 | Silica micropowder purification device |
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