CN103787346A - Talcum processing method - Google Patents
Talcum processing method Download PDFInfo
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- CN103787346A CN103787346A CN201210468286.7A CN201210468286A CN103787346A CN 103787346 A CN103787346 A CN 103787346A CN 201210468286 A CN201210468286 A CN 201210468286A CN 103787346 A CN103787346 A CN 103787346A
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- talcum
- water
- kiln
- temperature
- minutes
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- 239000000454 talc Substances 0.000 title claims abstract description 51
- 229910052623 talc Inorganic materials 0.000 title claims abstract description 51
- 235000012222 talc Nutrition 0.000 title claims abstract description 51
- 238000003672 processing method Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000001354 calcination Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000000292 calcium oxide Substances 0.000 abstract description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000919 ceramic Substances 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 3
- 238000009776 industrial production Methods 0.000 abstract description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003973 paint Substances 0.000 abstract description 3
- 239000005060 rubber Substances 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 229940079593 drug Drugs 0.000 abstract 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 abstract 1
- 229910052755 nonmetal Inorganic materials 0.000 abstract 1
- 239000000047 product Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000004806 packaging method and process Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 229960004424 carbon dioxide Drugs 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- HCWCAKKEBCNQJP-UHFFFAOYSA-N magnesium orthosilicate Chemical compound [Mg+2].[Mg+2].[O-][Si]([O-])([O-])[O-] HCWCAKKEBCNQJP-UHFFFAOYSA-N 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to nonmetal ores and in particular relates to a talcum processing method. The method comprises the following steps: calcining raw talcum in a kiln at 1,350-1,450 DEG C for 20-60 minutes, directly putting the calcined talcum in a high-temperature state into normal-temperature water, cooling, dewatering and drying to obtain the finished product. According to the method for processing the talcum, the contents of calcium oxide, iron sesquioxide and other impurities in the talcum can be effectively reduced, and the whiteness and the purity of the talcum can be improved. The method can be applied in the fields of industrial production of ceramics, medicines, rubber, paint, papermaking and the like.
Description
Technical field
The present invention relates to nonmetalliferous ore processing technology, particularly a kind of talcum and working method thereof.
Background technology
Talcum (17alcum depuratum) belongs to layered silicate, a kind of hydrous magnesium silicate mineral, its chemical composition mainly contains SiO2, MgO, Al2O3 and CaO, talcum is often white, have because containing the impurity such as copper, iron, manganese, its color is the micro-band of light green pink, light grey, impure more colors are darker, and even dark-grey, black oblique system.The reserves of China's talcum and output all account for No. 1 in the world, are important foreign exchange earning nonmetalliferous ore mineral.Talcum is with its distinctive dry slip, and hardness is little, easily mill, and insulation, the characteristics such as heat-resisting and stable chemical performance, and be widely used in the industrial sectors such as pottery, papermaking, chemical industry, paint, rubber.Contained chemical composition index and the also difference of physicals of talcum in the different places of production, as the black talc of Shanglin County, Guangxi, its main chemical compositions (%) is: SiO258, MgO 30, Fe2O3 1 .Al2O3 1.5, CaO 1.2, LO 17.23, contain 1%～8% organic carbon, ore color is black, grey black, whiteness is low, because its purity is high, opaque fine and soft soft, sheet crystal formation is complete, after the art breading such as calcining, applicable to field of industrial productions such as coating, plastics, high-grade papermaking, high-grade ceramics.
And existing talcum working method be generally by life talcum through high-temperature calcination, will crystal water wherein and carbonoxide can obtain pure white talc powder body raw material through naturally cooling after removing, general whiteness can reach 85～90%.But owing to containing a certain amount of calcium carbonate in crude talc ore, after calcining, become calcium hydroxide, when in order to processing ceramic or other products, in sintering procedure, these materials can produce volatilization, therefore easily produce the lonely L of gas or pin hole on Ceramic glaze or other product surfaces, thereby affect the quality of product and attractive in appearance.Be CN01106082.4 at published number of patent application, denomination of invention is in the patent application case of " calcining, activated talc ", its major programme is the dipping through auxiliarys such as lubricant, coupling agent, dispersion agents by the talcum after calcining, to reach the mechanical property that improves talcum.But because the calcium oxide in talcum, ferric oxide and impurity are effectively removed, also can affect the quality of product, and because its tooling cost is high, be unfavorable for reducing production costs, increase economic efficiency.
Summary of the invention
Technical problem to be solved by this invention is that the impurity such as iron content, calcium in talcum is effectively removed, thereby improves whiteness and the purity of talcum.
The present invention solves the problems of the technologies described above with following technical scheme: first raw talcum is calcined 20～60 minutes in the kiln of 1350～1450 ℃, then the water of the talcum after calcining directly being put under the condition of high temperature to normal temperature (4～40 " O) is cooling; again through dehydration, after dry finished product, this product can be applicable to the industrial production such as pottery, medicine, rubber, paint, papermaking.
Treatment process of the present invention has the following advantages:
1, the burning talcum foreign matter content after Water Quenching obviously reduces, and can improve whiteness and the purity of burning talcum.
2, the burning talcum quality after calcining Water Quenching is more loose, is easy to ball milling and further pulverizes, thereby shortening the time of grinding, and reduces production costs.
3, treatment process of the present invention is simple, tooling cost is low, and can effectively remove the impurity such as iron content, calcium in talcum, while making it as industrial chemicals, quality more guarantees, during particularly as ceramic raw material, can make its glaze can not produce pore or pin hole, make product surface smooth pure white, improve qualification rate and the class of product.
Embodiment
First the kiln of raw talc lump or raw talcum powder being put into 1350～1450 ℃ is calcined, and calcination time is looked granular size and coke thermal value, coal gas amount etc. and determined, the time is generally 20～60 minutes.Can be provided with at the discharge gate place of kiln water tap and pond, tramp iron separator, make the high temperature talcum after calcining can directly arrange into being equipped with in the pond of normal temperature (4～40 ℃) cleaning water cooling, accomplish that discharge limit, limit discharges water, after cooling again through salvage or press filtration, by ripe talcum dehydration, then pack after drying to obtain finished product.
Because the calcium carbonate in talcum issues raw decomposition reaction in the condition of high temperature, generate calcium oxide, emit carbon dioxide simultaneously, through the water-cooled while, the calcium oxide and the ferric oxide that make to burn in talcum can be dissolved in the water fully, and drift about in the water, can make other impurity in talcum also effectively be separated and get rid of, thereby greatly improve whiteness and the purity of talcum simultaneously.
Embodiment 1:
First be that the kiln of 1450 ℃ is calcined 40 minutes by put into temperature through broken raw talc lump, then the burning talcum under the condition of high temperature directly being arranged to water inlet temperature is to be cooled to normal temperature in the water of 15 ℃, then the burning talcum after shrend is got final product to packaging final prod after salvaging dehydration, being dried.With woods one-level Talc Ore on present method processing Guangxi, through test, the whiteness of talcum can reach 95% left and right, MgO > 31%, CaO < 0.3%, Fe2O3 < 0.03%, meets and exceeds the national standard as ceramic raw material.
Embodiment 2:
First a certain amount of raw talcum powder being put into temperature is 1400 " kiln of C is calcined 25 minutes, and then the burning talcum under the condition of high temperature directly being arranged to water inlet temperature is to be cooled to normal temperature in the water of 20 ℃, then by the packaging final prod after press filtration, oven dry of the burning talcum after shrend.
Embodiment 3:
First a certain amount of raw talcum grain being put into temperature is 1430, and " kiln of C is calcined 30 minutes, and then the burning talcum under the condition of high temperature directly being arranged to water inlet temperature is 35 " is cooled to normal temperature in the water of C, then by the packaging final prod after salvaging, drying of the burning talcum after shrend.
Embodiment 4:
Raw talc lump is put into the kiln of 1350 ℃, and to calcine row's water inlet temperature after 60 minutes be that the water of 15～C is cooled to and normal temperature, then get final product packaging final prod after salvaging, being dried.
Embodiment 5:
Raw talcum powder is put into 1380, and " kiln of C was calcined after 50 minutes, directly arranged in the water that water inlet temperature is 30～C and was cooled to and normal temperature, then get final product packaging final prod after press filtration, oven dry.
Claims (1)
1. a working method for talcum, is characterized in that: first raw talcum is calcined 20～60 minutes in the kiln of 1350 ℃～1450 ℃, the water of then talcum after calcining directly being put under the condition of high temperature to normal temperature is cooling, then gets product after dewatering, being dried.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468286.7A CN103787346A (en) | 2012-10-26 | 2012-10-26 | Talcum processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468286.7A CN103787346A (en) | 2012-10-26 | 2012-10-26 | Talcum processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103787346A true CN103787346A (en) | 2014-05-14 |
Family
ID=50663473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210468286.7A Pending CN103787346A (en) | 2012-10-26 | 2012-10-26 | Talcum processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103787346A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179432A (en) * | 2018-09-27 | 2019-01-11 | 内蒙古超牌建材科技有限公司 | Low calcium calcines black talc production equipment, low calcium calcining black talc and preparation method thereof |
| WO2025182554A1 (en) * | 2024-02-26 | 2025-09-04 | 住友化学株式会社 | Propylene-based polymer composition and molded body of same |
-
2012
- 2012-10-26 CN CN201210468286.7A patent/CN103787346A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179432A (en) * | 2018-09-27 | 2019-01-11 | 内蒙古超牌建材科技有限公司 | Low calcium calcines black talc production equipment, low calcium calcining black talc and preparation method thereof |
| CN109179432B (en) * | 2018-09-27 | 2020-03-13 | 内蒙古超牌建材科技有限公司 | Low-calcium calcined black talc production equipment, low-calcium calcined black talc and preparation method thereof |
| WO2025182554A1 (en) * | 2024-02-26 | 2025-09-04 | 住友化学株式会社 | Propylene-based polymer composition and molded body of same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140514 |