CN103373844A - Method for comprehensive utilization of resources in exploitation of weathered granite mine - Google Patents
Method for comprehensive utilization of resources in exploitation of weathered granite mine Download PDFInfo
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- CN103373844A CN103373844A CN 201210126071 CN201210126071A CN103373844A CN 103373844 A CN103373844 A CN 103373844A CN 201210126071 CN201210126071 CN 201210126071 CN 201210126071 A CN201210126071 A CN 201210126071A CN 103373844 A CN103373844 A CN 103373844A
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Abstract
The invention discloses a method for producing kaolin products and quartz for high-plasticity ceramic from weathered granite minerals. The method is characterized by comprising the following steps of: as independent exploited surface soil or soil with a clay property or a mixture of the surface soil or the soil with the clay property and ceramic clay ores in any proportion are used as a raw material, carrying out magnetic separation on ore pulp through a high gradient magnetic separator to remove impurities, wherein the ore pulp is obtained by adopting a traditional production process procedure of producing kaolin or ball clays through water washing or washing; carrying out concentration, settling, filter pressing and dehydration on the ore pulp subjected to impurity removal to obtain a high-plasticity kaolin or ball clay product; with residual minerals obtained by separation of the ore pulp as the raw materials, adding an appropriate ball-milling medium and appropriate water to the residual minerals and mixing according to a certain proportion, feeding the mixture into a ball mill, grinding for 10-30 hours, carrying out screening and water cleaning on the ground mixture, and then sequentially carrying out magnetic separation, filter pressing and dehydration through the high gradient magnetic separator to obtain kaolin and quartz for the high-plasticity ceramic, wherein for the kaolin product for the high-plasticity ceramic, the aluminium content is 17-36 percent, the whiteness is 40-88 percent and the drying strength (fracture resistance at room temperature) MPa is 2.5-9, and the quartz product has the silicon content being above 95-99.99 percent.
Description
Technical field
The invention belongs to separation and the utilization of the comprehensive utilization of non-metallic minerals; the kaolin clay for ceramic (ball clay) that more specifically relates to the high-ductility that a kind of mineral by clay property (be commonly called as yellow mud soil) exist separates with the mineral of quartz and utilizes; especially processing traditional method of exploiting the comprehensive utilization of weathered granite mine resources; thereby a kind of kaolin clay for ceramic (ball clay) of simple cheap high-ductility and quartzy production method are provided; the effect in protection paddy field and arable land is also played in the very large space that taken full advantage of Resource Supply.
Background technology
Kaolin is a kind of widely used clay mineral; the kaolin mineral products of the kaolinic traditional ceramics high-ductility that matter is pure are to be mainly derived from the mineral products that the bottom land in ancient times forms through washing away aggrade and this type of mineral products are many under paddy field and arable land; exploit these type of Mineral resources and will damage a large amount of paddy fields and arable land; because country advocates protection paddy field and arable land; cause traditional resource to lack; the present invention be the Mineral resources (being commonly called as yellow mud soil) that adopt clay property (comprise weathered granite mine surface layer clay and produce clay pit that the water mud uses etc.) use separately or and ceramic clay ore deposit (porcelain sand) mix in ratio arbitrarily and make raw material and use, adopt again after the technological process of production of traditional washing or selected production kaolin or ball clay with resulting ore pulp after high gradient magnetic separator magnetic separation removal of impurities concentrated fall heavy; filter-press dehydration becomes the product of the ceramic kaolin (ball clay) of high-ductility.Then selection of the traditional production of washing or kaolin, ball clay, or after the production process, after the separation of the resulting slurry, the resulting residual minerals (called tailings) as raw materials for the milling media, water and brighteners (can not be added to join), mixed with a certain proportion into intermittent ball mill grinding for 10-30 hours after the election law by sieving water get high plasticity of ceramic kaolin (ball clay) and quartz two products, or by high gradient magnetic separator magnetic separator and then dropped Shen concentrated slurry, the filter press dewatering a high plasticity of ceramic kaolin (ball clay) and quartz two products.
The present invention adopts the Mineral resources in ceramic clay ore deposit, stone Ma Wangdong village, Qingxin County dragon neck town and certain is produced water mud kaolin ore and tests production as raw material take Qingxin County, this tests to such an extent that control under the research institute professor Xu Xingpei educational guidance for many years to Chang Shakuang and carry out, and the quality of this product is as follows:
| The kaolin clay for ceramic numbering | 1 | 2 | 3 | 4 |
| The Chemical Composition title | Content (%) | Content (%) | Content (%) | Content (%) |
| Igloss Loss | 11.00 | 10.00 | 10.87 | 0.01 |
| Aluminium oxide Al 2O 3 | 30.78 | 27.63 | 28.48 | 0.05 |
| Silicon oxide Sio 2 | 52.78 | 58.05 | 57.15 | 99.68 |
| Ferric oxide Fe 2o 3 | 1.33 | 0.73 | 0.55 | 0.007 |
| Calcium oxide Cao | 0.04 | 0.15 | 0.10 | 0.01 |
| Magnesium oxide Mgo | 0.52 | 0.82 | 0.44 | 0.01 |
| Potassium oxide K 2o | 3.09 | 2.06 | 1.92 | 0.04 |
| Sodium oxide Na 2o | 0.08 | 0.08 | 0.16 | 0.01 |
| Titanium oxide Tio 2 | 0.19 | 0.32 | 0.18 | ＜0.01 |
| Whiteness value (1200 ℃ of insulation 30Min) | 55.5 | 63 | 87.6 | |
| Dry tenacity (the anti-folding of normal temperature) (Mpa) | 4.36 | 9.56 | 4.42 |
Be Qingxin County dragon neck town stone Ma Wangdong village ceramic clay ore faces floor clay (being commonly called as yellow mud soil) accounts for 50%, Qingxin County dragon neck town stone Ma Wangdong village ceramic clay ore deposit porcelain sand accounts for the high-ductility that 50% proportioning produces ceramic kaolin (ball clay) product No. 1.Examining report is numbered: E8795/H111230-07, B111230-01.
Be ceramic kaolin (ball clay) product of Qingxin County dragon neck town stone Ma Wangdong village ceramic clay ore faces floor clay (being commonly called as yellow mud soil) as the high-ductility of raw material production No. 2.Examining report is numbered: E8208/H111217-05, B111217-05
Be Qingxin County dragon neck town stone Ma Wangdong village ceramic clay ore faces floor clay (being commonly called as yellow mud soil) accounts for 50%, Qingxin County dragon neck town stone Ma Wangdong village ceramic clay ore deposit porcelain sand accounts for the high-ductility that 50% proportioning produces ceramic kaolin (ball clay) product No. 3.Examining report is numbered: E8468/H111223-01, B111223-01.
No. 4 for Qingxin County dragon neck town stone Ma Wangdong village ceramic clay ore faces floor clay (being commonly called as yellow mud soil) accounts for 50%, Qingxin County dragon neck town stone Ma Wangdong village ceramic clay ore deposit porcelain sand accounts for 50% proportioning and adopts after traditional washing or selected production kaolin or the ball clay technological process of production the quartzy product of residue mineral (being commonly called as CHARACTERISTICS OF TAILINGS SAND) separating obtained behind the resulting ore pulp as raw material production.Examining report is numbered: E5719/H111101-07.
Be used for the raw material composition table that this test is produced:
| Places of origin of raw materials numbering | 1 | 2 | 3 |
| The Chemical Composition title | Content (%) | Content (%) | Content (%) |
| Igloss Loss | 5.68 | 5.34 | 7.43 |
| Aluminium oxide Al 2O 3 | 19.11 | 14.24 | 14.08 |
| Silicon oxide Sio 2 | 72.13 | 77.23 | 77.32 |
| Ferric oxide Fe 2o 3 | 0.93 | 1.93 | 2.04 |
| Calcium oxide Cao | 0.08 | 0.15 | 0.18 |
| Magnesium oxide Mgo | 0.16 | 0.41 | 0.52 |
| Potassium oxide K 2o | 1.55 | 1.03 | 1.06 |
| Sodium oxide Na 2o | 0.12 | 0.04 | 0.05 |
| Titanium oxide Tio 2 | 0.11 | 0.16 | 0.18 |
Annotate: No. 1 is the Chemical Composition of the ceramic sand in ceramic clay ore deposit, stone Ma Wangdong village, dragon neck town, Qingxin County.
Be stained with the Chemical Composition of (being commonly called as on the yellow mud) for Qingxin County dragon neck town stone Ma Wangdong village ceramic clay ore faces floor No. 2.
No. 3 for Qingxin County certain produces the Chemical Composition of the clay (being commonly called as yellow mud soil) that water mud uses.
Substantially reach the sector application standard by two products of this test.
Claims (8)
1. method of comprehensive utilization of exploiting the weathered granite mine resources, it is characterized in that adopting the Mineral resources (being commonly called as yellow mud soil) (comprise weathered granite mine surface layer clay and produce clay pit that the water mud uses etc.) of clay property do separately that raw material uses or and ceramic clay ore deposit (porcelain sand) mix in ratio arbitrarily after the technological process of production that adopts again traditional washing or selected production kaolin or ball clay with resulting ore pulp after high gradient magnetic separator magnetic separation removal of impurities concentrated fall heavy, filter-press dehydration becomes the product of the ceramic kaolin (ball clay) of high-ductility.And then will adopt and residue mineral separating obtained behind the resulting ore pulp (title CHARACTERISTICS OF TAILINGS SAND) be made raw material after the technological process of production of traditional washing or selected production kaolin or ball clay and use, add most applicable ball-milling medium, water and whitening agent (also can add and can not add) mix according to a certain percentage, send into and carry out in the ball mill using screening behind the ore grinding in 10～30 hours, the product that wet cleaning process draws press filtration after the high gradient magnetic separator magnetic separation, dehydration becomes ceramic kaolin (ball clay) and quartzy two kinds of products of high-ductility, high-gradient magnetic separation operation control condition, pulp density: 12-25, magneticstrength: 0.8-2.2 tesla is finished product through filter-press dehydration.
2. it is characterized in that according to right 1 that the Mineral resources (be commonly called as yellow mud soil) (comprise weathered granite mine surface layer clay and produce clay pit that the water mud uses etc.) of described employing clay property are used separately as raw material or and ceramic clay ore deposit (porcelain sand) mix in ratio arbitrarily and do raw material and use.
3. it is characterized in that according to right 1 described ball mill is that intermittent ball mill and ball mill ore grinding time are 10-30 hour.
4. it is characterized in that according to right 1 described product is that the aluminum content of high-ductility kaolin clay for ceramic (on the ball) product is 17-36%, whiteness reaches more than 40～88% and dry tenacity (the anti-folding of normal temperature) Mpa is 2.5-9.56, and the silicone content of quartzy product is more than the 95-99.99%.
5. it is characterized in that according to right 1 described applicable ball-milling medium is any grinding media material of being used as ore grinding of 0.3 centimetre～20 cm diameters.
6. it is characterized in that according to right 1 described high gradient magnetic separator ore dressing magneticstrength is 0.7～2.2 tesla.
7. it is characterized in that according to right 1 described whitening agent (also can add and can not add) is: any have the whitening agent of whitening effect to product, and one ton of product consumption of every production is: 0～100 kg/tonne.
8. it is characterized in that according to right 1 the described employing technological process of production is: adopt the technological process of production of all traditional washings or selected production kaolin or ball clay to utilize Mineral resources (being commonly called as yellow mud soil) of all clay properties in its exploitation weathered granite mine as the technological process of production of raw material.
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| CN 201210126071 CN103373844A (en) | 2012-04-24 | 2012-04-24 | Method for comprehensive utilization of resources in exploitation of weathered granite mine |
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| CN 201210126071 CN103373844A (en) | 2012-04-24 | 2012-04-24 | Method for comprehensive utilization of resources in exploitation of weathered granite mine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837162A (en) * | 2016-03-22 | 2016-08-10 | 深圳市瑞成世代实业有限公司 | Method for preparation of kaolin from coal slime flotation tailings |
| CN109678459A (en) * | 2019-02-02 | 2019-04-26 | 江门市友顺陶瓷原料有限公司 | A kind of dedicated ball clay formula of electronic ceramics and preparation method thereof |
| CN111517751A (en) * | 2020-05-19 | 2020-08-11 | 广东永航新材料实业股份有限公司 | High-whiteness zirconium-free ceramic blank and preparation method of high-whiteness zirconium-free ceramic |
| CN113423664A (en) * | 2019-01-30 | 2021-09-21 | 夸兹沃克公司 | Chelation of crystalline silica |
-
2012
- 2012-04-24 CN CN 201210126071 patent/CN103373844A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837162A (en) * | 2016-03-22 | 2016-08-10 | 深圳市瑞成世代实业有限公司 | Method for preparation of kaolin from coal slime flotation tailings |
| CN113423664A (en) * | 2019-01-30 | 2021-09-21 | 夸兹沃克公司 | Chelation of crystalline silica |
| CN109678459A (en) * | 2019-02-02 | 2019-04-26 | 江门市友顺陶瓷原料有限公司 | A kind of dedicated ball clay formula of electronic ceramics and preparation method thereof |
| CN111517751A (en) * | 2020-05-19 | 2020-08-11 | 广东永航新材料实业股份有限公司 | High-whiteness zirconium-free ceramic blank and preparation method of high-whiteness zirconium-free ceramic |
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Application publication date: 20131030 |