CN113426707A - Silicon slag color separation method and device for effectively improving silicon metal recovery rate - Google Patents
Silicon slag color separation method and device for effectively improving silicon metal recovery rate Download PDFInfo
- Publication number
- CN113426707A CN113426707A CN202110648344.3A CN202110648344A CN113426707A CN 113426707 A CN113426707 A CN 113426707A CN 202110648344 A CN202110648344 A CN 202110648344A CN 113426707 A CN113426707 A CN 113426707A
- Authority
- CN
- China
- Prior art keywords
- silicon
- color
- silicon slag
- slag
- difference value
- 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.)
- Pending
Links
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 236
- 239000010703 silicon Substances 0.000 title claims abstract description 163
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 162
- 239000002893 slag Substances 0.000 title claims abstract description 156
- 238000000926 separation method Methods 0.000 title claims abstract description 29
- 238000011084 recovery Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 15
- 238000012216 screening Methods 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- SBEQWOXEGHQIMW-UHFFFAOYSA-N silicon Chemical compound [Si].[Si] SBEQWOXEGHQIMW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 7
- 239000000395 magnesium oxide Substances 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3425—Sorting according to other particular properties according to optical properties, e.g. colour of granular material, e.g. ore particles, grain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
Landscapes
- Silicon Compounds (AREA)
- Sorting Of Articles (AREA)
Abstract
The invention belongs to the technical field of industrial silicon-silicon slag recovery, and particularly relates to a silicon slag color separation method and device for effectively improving the recovery rate of silicon metal. By acquiring the surface color data of the silicon slag, generating a color difference value according to the acquired surface color data and the color threshold value of the silicon slag, controlling the airflow velocity of the air valve according to the color difference value, and acquiring the silicon slag which accords with the preset value of the silicon metal content through the airflow velocity of the air valve, and the color selection device corresponding to the method, the silicon metal can be separated from the oxide quickly and efficiently, the separation effect of the silicon metal and the oxide can be effectively improved, the recovery rate of the silicon metal is effectively improved, and the waste of silicon slag resources is avoided.
Description
Technical Field
The invention belongs to the technical field of industrial silicon-silicon slag recovery, and particularly relates to a silicon slag color separation method and device for effectively improving the recovery rate of silicon metal.
Background
The industrial silicon is a product obtained by taking silica as a raw material and carbonaceous raw material as a reducing agent and performing high-temperature reduction smelting in a submerged arc furnace, and Fe brought by the materials in the smelting production process of the industrial silicon2O3、SiO2、MgO、Al2O3CaO, and the like, because of different reduction temperatures, Fe2O3、SiO2Most of the magnesium oxide is reduced, however, MgO and Al2O3And CaO only partially reduced, that is, unreduced Al2O3MgO and CaO with SiO2The slag is accumulated together to form obvious light-color slag blocks which are limited among grain boundaries and have clear boundaries; and other slag becomes dark particles which can be seen only under a microscope, and the particles are mixed with metal silicon to become impurities in the silicon, and the silicon slag contains more than 15 percent of simple substance silicon. Because the silicon metal and the oxide in the silicon slag coexist in a molten state, the silicon metal is difficult to separate from the oxide, and most enterprises sell the silicon metal at a low price only by simple manual sorting, so that the waste of resources is caused invisibly. In other words, comprehensive recycling of silicon slag resources has become a key common technical problem in the industrial silicon industry.
Therefore, in order to overcome the technical problem that the silicon metal is difficult to separate from the oxide, and thus the resource is wasted, it is urgently needed to design and develop a silicon slag color separation method and a device for effectively improving the recovery rate of the silicon metal.
Disclosure of Invention
The first purpose of the invention is to provide a color separation method of silicon slag, which can effectively improve the recovery rate of silicon metal.
The second purpose of the invention is to provide a silicon slag color separation device which can effectively improve the recovery rate of silicon metal.
The first object of the present invention is achieved by: the method comprises the following specific steps: acquiring surface color data of the silicon slag; generating a color difference value according to the collected silicon slag surface color data and the color threshold value; controlling the airflow speed of the air valve according to the color difference value; and obtaining the silicon slag meeting the preset value of the silicon metal content through the airflow velocity of the air valve.
The second object of the present invention is achieved by: the device specifically comprises: the device comprises a color acquisition mechanism for acquiring color data of the surface of the silicon slag, a color difference value generation mechanism for generating a color difference value according to the acquired color data of the surface of the silicon slag and a color threshold value, an airflow flow rate control mechanism for controlling the airflow flow rate of an air valve according to the color difference value, and a silicon slag screening mechanism for obtaining the silicon slag according with the preset value of the silicon metal content through the airflow flow rate of the air valve.
According to the color separation method for the silicon slag, which is disclosed by the invention, the surface color data of the silicon slag is obtained, the color difference value is generated according to the collected surface color data of the silicon slag and the color threshold value, the airflow velocity of the air valve is controlled according to the color difference value, the silicon slag which meets the preset value of the silicon metal content is obtained through the airflow velocity of the air valve, and the color separation device corresponding to the method can be used for quickly and efficiently separating the silicon metal from the oxide, so that the separation effect of the silicon metal and the oxide can be effectively improved, the recovery rate of the silicon metal is effectively improved, and the waste of silicon slag resources is avoided.
Drawings
FIG. 1 is a schematic view of a flow structure of a color separation method for silicon slag for effectively increasing the recovery rate of silicon metal according to the present invention;
FIG. 2 is a schematic diagram of an air valve flow screening method for a color separation method of silicon slag for effectively increasing the recovery rate of silicon metal according to the present invention;
FIG. 3 is a schematic diagram of the two configurations of the gas valve gas flow screening of the color separation method for silicon slag to effectively increase the recovery rate of silicon metal according to the present invention;
FIG. 4 is a schematic diagram of a color separation apparatus for silicon slag according to the present invention, which can effectively improve the recovery rate of silicon metal;
in the figure:
1-crushing the treated silicon slag; 2-air valve; 3-air flow.
Detailed Description
The invention is further illustrated in the following figures and examples in order to provide the person skilled in the art with a detailed understanding of the invention, without restricting it in any way. Any variations or modifications made in accordance with the teachings of the present invention are intended to be within the scope of the present invention.
The invention is further elucidated with reference to the drawing.
As shown in fig. 1 to 4, a color separation method for silicon slag capable of effectively improving the recovery rate of silicon metal comprises the following specific steps:
s1, acquiring surface color data of the silicon slag;
s2, generating a color difference value according to the collected silicon slag surface color data and the color threshold value;
s3, controlling the air flow rate of the air valve according to the color difference value;
and S4, obtaining the silicon slag according with the preset value of the silicon metal content through the airflow velocity of the air valve.
Before the step of obtaining the color data of the surface of the silicon slag, the method also comprises the following steps:
and S01, collecting the silicon slag to be recovered, and crushing the silicon slag to be recovered.
And crushing the silicon slag to be recovered, specifically crushing the silicon slag to be recovered until the particle size of the silicon slag is 0.5-10 mm.
In the step of obtaining the surface color data of the silicon slag, the method also comprises the following steps:
and S11, carrying out angle rotation processing on the silicon slag particles to be recovered in real time according to the surface color data of the silicon slag.
Generating a color difference value according to the collected silicon slag surface color data and the color threshold, and further comprising the following steps of:
s21, generating at least one surface color value of the silicon slag according to the collected surface color data of the silicon slag;
and S22, acquiring a preset color threshold, and comparing the surface color value of the silicon slag with the preset color threshold in real time to generate a color difference value.
In the step of controlling the air flow rate of the air valve according to the color difference value, the method also comprises the following steps:
s31, generating an air valve airflow control instruction corresponding to the color difference value according to the color difference value;
and S32, generating at least two non-parallel air valve airflows according to the air valve airflow control command.
The flow rate of the air valve air flow is specifically at least one gear flow rate;
the gear flow rate and the step color difference value in the color difference value are uniquely corresponding.
The color difference value is specifically a step color difference value;
the step color difference value is specifically at least one gear step color difference value.
The air valve air flow is specifically at least two cross air valve air flows;
the preset value of the silicon metal content corresponds to the airflow speed of the air valve only;
obtaining the silicon slag meeting the preset value of silicon metal content through the airflow velocity of the air valve in the step, and further comprising the following steps of:
and S41, screening the silicon slag which meets the preset value of silicon metal content through the flow velocity of the cross point of the air flows of at least two air valves.
Specifically, in the embodiment of the invention, firstly, the silicon slag to be recovered is collected and is subjected to crushing treatment, and preferably, the collected silicon slag to be recovered is subjected to crushing treatment until the particle size of the silicon slag is 0.5-10 mm; the method has the advantages that the follow-up color selection efficiency is convenient to improve, the color data of the surface of the silicon slag is obtained according to the surface color of the crushed silicon slag, and preferably, the color data of the surface of the silicon slag comprises the color data of a plurality of surfaces of the crushed silicon slag, so that when the color data of the surface of the silicon slag is obtained, the angle rotation processing of the silicon slag particles to be recovered is carried out in real time through the arranged silicon slag angle rotating mechanism, and the color data of at least two surfaces of the crushed silicon slag can be obtained conveniently.
Preferably, in the embodiment of the present invention, the surface color data includes surface color data with high silicon metal content and surface color data with low silicon metal content, that is, how to perform color selection on the silicon slag with high silicon metal content can be determined by the different silicon metal content, that is, the silicon slag meeting the preset value of silicon metal content or the silicon slag not meeting the preset value of silicon metal content can be selected by the air flow velocity color.
That is to say, at least one surface color value of the silicon slag is generated according to the collected surface color data of the silicon slag, then a preset color threshold value is combined, the surface color value of the silicon slag is compared with the preset color threshold value in real time, and a color difference value is generated. The preset color threshold is specifically set according to the content value of silicon metal in the silicon slag, in other words, the preset values of the content of silicon metal corresponding to different content of silicon metal in the silicon slag are different, that is, a color difference value is generated according to the collected color data and the color threshold on the surface of the silicon slag.
Preferably, in the specific embodiment of the invention, when the color data of the surface of the silicon slag is obtained, the exposure mechanism is arranged to expose the silicon slag to be recovered or the crushed silicon slag in real time, so as to make up for the deficiency of the light on the surface of the silicon slag particles, improve the accuracy of the acquisition of the color data of the surface of the silicon slag, namely generate a more accurate color difference value, and effectively improve the accuracy of the color selection of the scheme of the invention.
Specifically, the color difference value is specifically a step color difference value; the step color difference value is specifically at least one gear step color difference value, that is, in the embodiment of the present invention, the color difference value is specifically a step curve color difference value, at least one gear color difference value is set in the step curve color difference value, different color difference values correspond to different gears, for example, the higher the gear is, the larger the corresponding color difference value is, or the higher the gear is, the smaller the corresponding color difference value is.
In addition, in the specific embodiment of the invention, according to the color difference value, an air valve airflow control instruction corresponding to the color difference value is generated; and generating at least two non-parallel air valve airflows according to the air valve airflow control instruction. That is, the color difference values of different gears correspond to different air valve airflow control commands, and the different air valve airflow control commands control the air valve airflow speed, such as controlling the air valve airflow speed to be fast or slow, or to be strong or weak through different commands. Specifically, the flow rate of the air valve airflow is specifically at least one gear flow rate;
that is, in the embodiment of the present invention, the flow rates of the air valve airflows are set to corresponding shift flow rates, and the flow rates of the different air valve airflows correspond to the flow rates of the different air valve airflows. Such as fast or slow, or strong or weak, corresponding to different gas valve airflow speeds through different gears. Preferably, the step flow rate and the step color difference value in the color difference values uniquely correspond to each other. That is, in the embodiment of the present invention, the step flow rate corresponds to the unique value of the step color difference value in the color difference values, that is, the gas valve flow rate corresponds to the step color difference value in the unique color difference values.
Preferably, in the embodiment of the present invention, at least two non-parallel gas valve airflows are generated, that is, the gas valve airflows are specifically at least two cross gas valve airflows; that is, in the scheme of the invention, the color-to-be-selected silicon slag particles are screened through the cross point position of at least two cross air valve air flows, for example, the silicon slag meeting the preset value of silicon metal content or the silicon slag not meeting the preset value of silicon metal content is screened. The accuracy of the silicon slag particles to be screened is improved through the color sorting of the cross air flow, and the color sorting accuracy of the scheme of the invention is improved. Specifically, the preset value of the silicon metal content corresponds to the airflow flow rate of the gas valve only; in other words, different preset values of silicon metal content correspond to the airflow speed of the air valves, and a plurality of types of silicon slag with different silicon metal content can be screened out through the operation, in other words, through the corresponding setting of the unique value, the silicon slag with different silicon metal content can be screened in a layered manner according to the specific condition requirements, and finally, through the airflow cross-point flow speed of at least two air valves, the silicon slag which meets the preset value of the silicon metal content or the silicon slag which does not meet the preset value of the silicon metal content or the silicon slag with different preset values of the silicon metal content and graded echelons can be screened out. Preferably, the at least two gas valve gas flows are positioned on one side of the silicon slag with silicon metal content or respectively positioned on two sides of the silicon slag with silicon metal content.
Specifically, the color sorting principle of the scheme of the invention is to automatically sort out the heterochromatic particles in the particle materials by utilizing a photoelectric detection technology according to the difference of the optical characteristics of the materials. The industrial silicon slag has different colors due to different silicon-containing metals and oxides, has obvious metal luster when the silicon-containing metals are higher, and is dark black or dark green when the oxide content is higher. Utilizing the color difference of the silicon slag and the color selection equipment to select the silicon slag and the color selection equipment, specifically, crushing the silicon slag, controlling the granularity to be 0.5-10 mm, feeding the crushed silicon slag into a storage bin, conveying the crushed silicon slag into a color selector by a belt, photographing and identifying by a machine, conveying the crushed silicon slag into a selection bin by the belt, snapshotting by a high-speed camera, and selecting by a compressed air valve. The raw materials are sent into the color sorter through the belt from the color sorter feed opening, the materials need to be sorted by the machine intelligent system shooting identification, the materials are sent into the sorting bin through the belt after the identification, the belt and the sorting bin have a certain fall, the high-speed camera sends an instruction to the air valve after the high-speed camera is snapshotted before entering the bin, the materials fall and the compressed air valve blows the materials which need to be sorted away, and the sorting purpose is achieved.
In the scheme of the invention, the silicon slag is sorted by using the color sorting equipment, so that the sorting effect of silicon metal and oxide can be effectively improved, the silicon content can be improved from 32.6% to 84.45% after one-time sorting, the direct sorting rate of silicon can reach 16.92%, and the silicon recycling rate is improved by 6.87% compared with conventional manual sorting silicon recycling rate of Wide 10.05.05%. The tailings after color separation contain 25.44% of silicon, and can be directly sold for treatment, and specifically, the treatment is shown in the following table 1:
TABLE 1 statistical table of silicon slag color sorting results
In order to achieve the purpose of the scheme of the invention, the invention also provides a color separation device for silicon slag, which can effectively improve the recovery rate of silicon metal, and the device specifically comprises: the device comprises a color acquisition mechanism for acquiring color data of the surface of the silicon slag, a color difference value generation mechanism for generating a color difference value according to the acquired color data of the surface of the silicon slag and a color threshold value, an airflow flow rate control mechanism for controlling the airflow flow rate of an air valve according to the color difference value, and a silicon slag screening mechanism for obtaining the silicon slag according with the preset value of the silicon metal content through the airflow flow rate of the air valve.
The device is also provided with a silicon slag collecting and crushing mechanism for collecting silicon slag to be recovered and crushing the silicon slag to be recovered; and crushing the silicon slag to be recovered, specifically crushing the silicon slag to be recovered until the particle size of the silicon slag is 0.5-10 mm.
The color acquisition mechanism is also internally provided with a silicon slag angle rotating mechanism for carrying out angle rotation processing on silicon slag particles to be recovered in real time according to the surface color data of the silicon slag;
the color difference value generating mechanism is also provided with a first generating mechanism used for generating at least one silicon slag surface color value according to the collected silicon slag surface color data, and a second generating mechanism used for acquiring a preset color threshold value, comparing the silicon slag surface color value with the preset color threshold value in real time and generating a color difference value.
The airflow flow rate control mechanism is also provided with a third generation mechanism used for generating an air valve airflow control instruction corresponding to the color difference value according to the color difference value, and a fourth generation mechanism used for generating at least two non-parallel air valve airflows according to the air valve airflow control instruction, wherein in the embodiment of the device in the scheme of the invention, the flow rate of the air valve airflow is specifically at least one gear flow rate; the gear flow rate and the step color difference value in the color difference value are uniquely corresponding.
Preferably, the color difference value is specifically a step color difference value; the step color difference value is specifically at least one gear step color difference value.
Preferably, the gas valve gas flow is embodied as at least two cross gas valve gas flows; the preset value of the silicon metal content corresponds to the airflow speed of the air valve only;
and the silicon slag screening mechanism is also provided with a cross screening mechanism for screening the silicon slag which meets the preset value of the silicon metal content through the cross flow velocity of the air flow of at least two air valves.
The principle and process of the device of the invention correspond to those of the method of the invention, and the details are described above, so that the details are not repeated.
According to the color separation method for the silicon slag, which is disclosed by the invention, the surface color data of the silicon slag is obtained, the color difference value is generated according to the collected surface color data of the silicon slag and the color threshold value, the airflow velocity of the air valve is controlled according to the color difference value, the silicon slag which meets the preset value of the silicon metal content is obtained through the airflow velocity of the air valve, and the color separation device corresponding to the method can be used for quickly and efficiently separating the silicon metal from the oxide, so that the separation effect of the silicon metal and the oxide can be effectively improved, the recovery rate of the silicon metal is effectively improved, and the waste of silicon slag resources is avoided.
Claims (10)
1. A color separation method for silicon slag capable of effectively improving the recovery rate of silicon metal is characterized by comprising the following specific steps:
acquiring surface color data of the silicon slag;
generating a color difference value according to the collected silicon slag surface color data and the color threshold value;
controlling the airflow speed of the air valve according to the color difference value;
and obtaining the silicon slag meeting the preset value of the silicon metal content through the airflow velocity of the air valve.
2. The color separation method for silicon slag capable of effectively improving the recovery rate of silicon metal according to claim 1, characterized by comprising the following steps before the step of obtaining the surface color data of the silicon slag:
collecting the silicon slag to be recovered, and crushing the silicon slag to be recovered.
3. The color separation method for silicon slag capable of effectively improving the recovery rate of silicon metal according to claim 2, characterized in that the silicon slag to be recovered is crushed, specifically, the silicon slag to be recovered is crushed until the particle size of the silicon slag is 0.5mm to 10 mm.
4. The color separation method for the silicon slag for effectively improving the recovery rate of silicon metal according to claim 1 or 2, characterized in that the step of obtaining the surface color data of the silicon slag further comprises the following steps:
and carrying out angle rotation treatment on the silicon slag particles to be recovered in real time according to the surface color data of the silicon slag.
5. The method for color selection of the silicon slag for effectively improving the recovery rate of silicon metal according to claim 1, wherein the step of generating the color difference value according to the collected surface color data and the color threshold value of the silicon slag further comprises the following steps:
generating at least one surface color value of the silicon slag according to the collected surface color data of the silicon slag;
and acquiring a preset color threshold, and comparing the surface color value of the silicon slag with the preset color threshold in real time to generate a color difference value.
6. The method for color separation of silicon slag capable of effectively improving the recovery rate of silicon metal according to claim 1, wherein the step of controlling the flow rate of the gas valve according to the color difference value further comprises the following steps:
generating an air valve airflow control instruction corresponding to the color difference value according to the color difference value;
and generating at least two non-parallel air valve airflows according to the air valve airflow control command.
7. The color separation method for silicon slag capable of effectively improving the recovery rate of silicon metal according to claim 6, wherein the flow rate of the gas flow of the gas valve is specifically at least one gear flow rate;
the gear flow rate and the step color difference value in the color difference value are uniquely corresponding.
8. The color separation method for silicon slag capable of effectively improving the recovery rate of silicon metal according to claim 1, 5 or 6, characterized in that the color difference value is specifically a step color difference value;
the step color difference value is specifically at least one gear step color difference value.
9. The method for color separation of silicon slag capable of effectively improving the recovery rate of silicon metal according to claim 1, wherein the gas valve gas flow is specifically at least two cross gas valve gas flows;
the preset value of the silicon metal content corresponds to the airflow speed of the air valve only;
obtaining the silicon slag meeting the preset value of silicon metal content through the airflow velocity of the air valve in the step, and further comprising the following steps of:
and screening the silicon slag which meets the preset value of the silicon metal content through the flow velocity of the cross point of the air flows of at least two air valves.
10. The utility model provides a silica slag look selection device of effective improvement silicon metal recovery rate which characterized in that the device specifically includes: the device comprises a color acquisition mechanism for acquiring color data of the surface of the silicon slag, a color difference value generation mechanism for generating a color difference value according to the acquired color data of the surface of the silicon slag and a color threshold value, an airflow flow rate control mechanism for controlling the airflow flow rate of an air valve according to the color difference value, and a silicon slag screening mechanism for obtaining the silicon slag according with the preset value of the silicon metal content through the airflow flow rate of the air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648344.3A CN113426707A (en) | 2021-06-10 | 2021-06-10 | Silicon slag color separation method and device for effectively improving silicon metal recovery rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110648344.3A CN113426707A (en) | 2021-06-10 | 2021-06-10 | Silicon slag color separation method and device for effectively improving silicon metal recovery rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113426707A true CN113426707A (en) | 2021-09-24 |
Family
ID=77755655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110648344.3A Pending CN113426707A (en) | 2021-06-10 | 2021-06-10 | Silicon slag color separation method and device for effectively improving silicon metal recovery rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113426707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111232988A (en) * | 2020-04-10 | 2020-06-05 | 昆明理工大学 | A method for efficient separation of slag silicon in industrial silicon slag |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5703784A (en) * | 1995-10-30 | 1997-12-30 | The United States Of America As Represented By The Secretary Of Agriculture | Machine vision apparatus and method for sorting objects |
| JP2002336797A (en) * | 2001-05-18 | 2002-11-26 | Endo Yaeta | Method for sorting germs for synthesizing cell-free protein |
| CN101976009A (en) * | 2006-03-03 | 2011-02-16 | 金泰克斯公司 | Thin-film coatings, electro-optic elements and assemblies incorporating these elements |
| CN202246085U (en) * | 2011-10-08 | 2012-05-30 | 云南永昌硅业股份有限公司 | Device for blowing ultra-fine metal silicon powder into bag |
| CN204746901U (en) * | 2015-02-04 | 2015-11-11 | 赣州市武夷源实业有限公司 | Tealeaves look selects device |
| CN205362009U (en) * | 2016-01-15 | 2016-07-06 | 江西鹏辉高科粮业有限公司 | Two -way big cream -coloured spectrum appearance that selects |
| CN106311631A (en) * | 2016-08-18 | 2017-01-11 | 浙江省农业科学院 | Sorting equipment and sorting method for female and male silkworm eggs |
| CN107876429A (en) * | 2017-12-05 | 2018-04-06 | 湖南机电职业技术学院 | A kind of waste non-ferrous metals automatic sorting system based on machine vision |
| CN109714647A (en) * | 2018-12-30 | 2019-05-03 | 联想(北京)有限公司 | Information processing method and device |
| CN210910741U (en) * | 2019-08-27 | 2020-07-03 | 重庆格唯新材料科技有限公司 | Masterbatch granule size controlling means |
| CN112122175A (en) * | 2020-08-12 | 2020-12-25 | 浙江大学 | Material enhanced feature recognition and selection method of color sorter |
| CN112246420A (en) * | 2020-09-28 | 2021-01-22 | 湖南谨航科技开发有限公司 | Waxberry screening system and screening method thereof |
| CN112387622A (en) * | 2020-10-15 | 2021-02-23 | 湖北三峡职业技术学院 | Dried vegetable color selector and color selection method |
| CN212702067U (en) * | 2020-06-12 | 2021-03-16 | 湖北佳粮机械股份有限公司 | Novel color sorting combined rice mill |
-
2021
- 2021-06-10 CN CN202110648344.3A patent/CN113426707A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5703784A (en) * | 1995-10-30 | 1997-12-30 | The United States Of America As Represented By The Secretary Of Agriculture | Machine vision apparatus and method for sorting objects |
| JP2002336797A (en) * | 2001-05-18 | 2002-11-26 | Endo Yaeta | Method for sorting germs for synthesizing cell-free protein |
| CN101976009A (en) * | 2006-03-03 | 2011-02-16 | 金泰克斯公司 | Thin-film coatings, electro-optic elements and assemblies incorporating these elements |
| CN202246085U (en) * | 2011-10-08 | 2012-05-30 | 云南永昌硅业股份有限公司 | Device for blowing ultra-fine metal silicon powder into bag |
| CN204746901U (en) * | 2015-02-04 | 2015-11-11 | 赣州市武夷源实业有限公司 | Tealeaves look selects device |
| CN205362009U (en) * | 2016-01-15 | 2016-07-06 | 江西鹏辉高科粮业有限公司 | Two -way big cream -coloured spectrum appearance that selects |
| CN106311631A (en) * | 2016-08-18 | 2017-01-11 | 浙江省农业科学院 | Sorting equipment and sorting method for female and male silkworm eggs |
| CN107876429A (en) * | 2017-12-05 | 2018-04-06 | 湖南机电职业技术学院 | A kind of waste non-ferrous metals automatic sorting system based on machine vision |
| CN109714647A (en) * | 2018-12-30 | 2019-05-03 | 联想(北京)有限公司 | Information processing method and device |
| CN210910741U (en) * | 2019-08-27 | 2020-07-03 | 重庆格唯新材料科技有限公司 | Masterbatch granule size controlling means |
| CN212702067U (en) * | 2020-06-12 | 2021-03-16 | 湖北佳粮机械股份有限公司 | Novel color sorting combined rice mill |
| CN112122175A (en) * | 2020-08-12 | 2020-12-25 | 浙江大学 | Material enhanced feature recognition and selection method of color sorter |
| CN112246420A (en) * | 2020-09-28 | 2021-01-22 | 湖南谨航科技开发有限公司 | Waxberry screening system and screening method thereof |
| CN112387622A (en) * | 2020-10-15 | 2021-02-23 | 湖北三峡职业技术学院 | Dried vegetable color selector and color selection method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111232988A (en) * | 2020-04-10 | 2020-06-05 | 昆明理工大学 | A method for efficient separation of slag silicon in industrial silicon slag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104624505B (en) | A kind of waste plastics separation method based on image recognition and system | |
| CN114453129B (en) | Lead zinc ore recycling method | |
| CN110013913B (en) | A fluorite combined flotation process for grading and screening pre-discharge of calcium carbonate | |
| CN110434158B (en) | Process for preparing copper alloy powder by treating waste circuit board through mechanical and physical method | |
| CN107055542B (en) | The method for handling siliceous silicon slag | |
| JP2016089196A (en) | Valuable metal recovery method and valuable metal recovery system | |
| JP6357670B2 (en) | Reusing used refractories | |
| CN114178043B (en) | A kind of ore dressing process of copper-containing iron ore | |
| CN101998886A (en) | Method and arrangement for treating plastic waste | |
| CN102189038A (en) | Preliminary separation process for ferromagnetic ore separation | |
| CN113426707A (en) | Silicon slag color separation method and device for effectively improving silicon metal recovery rate | |
| CN110665848A (en) | Construction solid waste sorting system based on CCD camera and hyperspectral camera detection | |
| JP2018164872A (en) | Method for processing metal-containing waste | |
| CN1858271A (en) | Process for producing steel slag iron fine powder | |
| CN111670259A (en) | Disposal method of electronic and electrical equipment parts scraps | |
| CN113385291B (en) | Method for recovering qualified refractory material raw material from high-iron bauxite clinker waste | |
| DE10053491A1 (en) | Plant and method for processing shredder residues and method of a lint fraction produced | |
| CN109107729A (en) | A kind of silicon carbide micro-powder preparation process | |
| US20190329268A1 (en) | Methods and systems for polishing and recovering aluminum from a waste material | |
| CN108554830A (en) | A kind of discarded glass regenerative system and method based on multispectral photoelectricity identification technology | |
| CN114247552B (en) | A kind of beneficiation process of coal gangue by using chromaticity difference | |
| JPH06106091A (en) | Method for screening metallic waste by kinds of respective metals | |
| CN1966165A (en) | Waste PCB electronic circuit substrate, circuit board leftover material and chip reutilization treatment process | |
| CN106076506A (en) | A kind of process technique of slag deep processing | |
| CN112958276B (en) | Treatment method for solid waste of sapphire processing laponite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210924 |
|
| RJ01 | Rejection of invention patent application after publication |