CN104475235A - Purification process for low-grade kaolin ores - Google Patents
Purification process for low-grade kaolin ores Download PDFInfo
- Publication number
- CN104475235A CN104475235A CN201410685660.8A CN201410685660A CN104475235A CN 104475235 A CN104475235 A CN 104475235A CN 201410685660 A CN201410685660 A CN 201410685660A CN 104475235 A CN104475235 A CN 104475235A
- Authority
- CN
- China
- Prior art keywords
- low
- agitator
- ore
- magnetic
- cyclone
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
Abstract
The invention provides a purification process for low-grade kaolin ores. The purification process comprises the steps of crushing raw ores at three times; grinding the ores; performing three-stage spiral separating for the grinded cores through a spiral grading machine and a hydrocyclone; adding sulfuric acid, butyl xanthate and 2# oil to the separated material for pyrite flotation; magnetically separating at two stages; then performing mica flotation through sulfuric acid and lauryl amine; grading through the hydrocyclone after flotation, so as to obtain two types of final ore powder at the concentrate grade of kaolin ores. The purification process for the low-grade kaolin ores has the advantages that the process design is reasonable, the operation is easily controlled, the production process is table, the resource utilization rate can be effectively raised, and the economic and social benefits are increased.
Description
Technical field
The present invention relates to effective field of comprehensive utilization of mineral resources, be specially a kind of purifying technique of low-grade kaolinite ore.
Background technology
Kaolin, as a kind of industrial mineral of function admirable, is widely used in pottery, papermaking, rubber, plastics, field of petrochemical industry.Kaolin is mainly made up of kandite, and be that one has typical 1:1 type layer silicate, chemical composition is mainly SiO
2and Al
2o
3, also containing other dirts a small amount of.Wherein, as the Kaolin Mining Region that one, China is important, the kaolin resource in Guangxi enriches, but owing to containing the impurity such as muscovite and tourmaline in most kaolin ore, raw ore can not be in great demand always, and price is low, causes local most of high ferro kaolin (Fe
2o
3content > 1.10%) discarded with " slow-witted ore deposit ", temporarily cannot make full use of.
Along with the lifting of the industry product quality such as pottery, glass and chemical industry, the kaolin starting material demand of GOOD TASTE is increasing, and China's high grade kaolinite resource (I level product: Fe
2o
3content < 1.0%) but day by day reduce, cause increasing enterprise to start to use low-grade raw mineral materials to carry out production and processing gradually, and how carry out low-grade raw mineral materials purifying improving its utilization rate and utilizing status and also become the technical bottleneck that restriction low-grade ore raw material uses further.
Summary of the invention
Technical problem solved by the invention is the purifying technique providing a kind of low-grade kaolinite ore, to solve the shortcoming in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
A purifying technique for low-grade kaolinite ore, specifically comprises following processing step:
1, ore is carried out three grades of break process, first coarse crushing is carried out by jaw crusher, and the ore after disintegrating machine coarse crushing fed hold-down bars bar grizzl(e)y sieve, broken in then the on-the-sieve material of hold-down bars bar grizzl(e)y being carried out, in broken after undertaken in small, broken bits by high-pressure roller mill;
2, the ore particle after in small, broken bits is added steel ball medium to mill, discharge, after ball mill is milled, is broken up by ore, and reclaims steel ball medium, then material is fed vibratory sieve sieves, and on-the-sieve material is sent into ball mill and carry out secondary and mill;
3, the undersize material after being milled by secondary adds water, and utilize the cyclone of the spiral classifier of Φ 1200, the cyclone of Φ 150 and Φ 75 to carry out three grades of classifications respectively, the second level of the cyclone institute separating treatment of the cyclone of Φ 150 and Φ 75 and the third level are mixed and adds (Φ represents the diameter dimension of spiral classifier or cyclone, and unit is mm) in agitator;
4, in agitator, add sulphur, butyl xanthate, 2# oil, its addition by step per ton 3. in the amount of material of mixing be followed successively by 400 ~ 600g, 180 ~ 250g, 50 ~ 70g, the compound of agitator is stirred and adds water, carry out flotation of pyrite, and by the material after flotation successively through weak magnetic magnetic separation and magnetic separator;
5, the material through twice magnetic separation is selected, add another agitator, add water in agitator, and add sulfuric acid and lauryl amine respectively by the weight of the material in agitator, its standard added is that material per ton adds 800 ~ 1000g sulfuric acid and 70 ~ 90g lauryl amine, female flotation of racking of going forward side by side;
6, the material after carrying out mica flotation utilizes the cyclone of Φ 75 to carry out classification separation, material after separation is the breeze of kaolin concentrate quality, and is passed through concentrated, that press filtration is the secondary concentrate quality of kaolin breeze by the part material that cyclone is separated.
In the present invention, the granularity after described coarse crushing is 80 ~ 100mm, in broken after granularity be 60 ~ 80mm, and in small, broken bits after granularity be below 50mm.
In the present invention, the addition of the sulphur added in described agitator, butyl xanthate, 2# oil by step per ton 3. in the amount of material of mixing be preferably 500g, 200g and 60g.
In the present invention, the magnetic field intensity of the magnetic pole surfaces of described weak magnetic magnetic separation is 1200 ~ 1500Oe.
In the present invention, the magnetic field intensity of the magnetic pole surfaces of described magnetic separator is 8000 ~ 12000Oe.
In the present invention, the sulfuric acid added after described magnetic separation and the amount of lauryl amine are preferably sulfuric acid and the 80g lauryl amine that material per ton adds 1kg.
Beneficial effect: the present invention carries out iron removal by magnetic separation to kaolin, substantially improve high gradient magnetic separator iron removal by magnetic separation DeGrain, firing whiteness improves, inefficient problem, achieve high efficiency and technique continuous operations, concentrate product reaches the even export requirement of company standard select quality, has general applicability and directive significance for vitalizing China " slow-witted ore deposit " high ferro kaolin resource.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the present invention further.
In an embodiment, select the low-grade ore in somewhere, Guangxi to carry out purification operations, Kaoline mine raw ore, largest grain size is 380ram, and its concrete operation step is as follows:
First coarse crushing is carried out by jaw crusher, ore grain size after coarse crushing is about 80mm, and the ore after disintegrating machine coarse crushing is fed hold-down bars bar grizzl(e)y sieve, then broken in the on-the-sieve material of hold-down bars bar grizzl(e)y being carried out, in broken after ore grain size be about 60mm, by in broken after undertaken in small, broken bits by high-pressure roller mill, the ore grain size after in small, broken bits is about 40mm.
Ore particle after in small, broken bits is added steel ball medium mill, discharge, after grinding mill is milled, is broken up by ore, and steel ball medium is reclaimed, again material is fed vibratory sieve to sieve, and on-the-sieve material is sent into grinding mill and carry out secondary and mill, ball mill mill after granularity be less than 12mm.
Undersize material after being milled by secondary adds water, and utilize the spiral classifier of Φ 1200 respectively, the cyclone of Φ 150 and the cyclone of Φ 75 carry out three grades of classifications, the second level of the cyclone institute separating treatment of the cyclone of Φ 150 and Φ 75 and the third level are mixed and adds in agitator, and sulphur is added in agitator, butyl xanthate, 2# oil, its addition adds 500g respectively by the amount of the material of mixing per ton, 200g and 60g, the compound of agitator is stirred and adds water, carry out flotation of pyrite, and by the material after flotation successively through weak magnetic magnetic separation and magnetic separator, wherein, during weak magnetic magnetic separation, the magnetic field intensity of magnetic pole surfaces is 1200Oe, and the magnetic field intensity of magnetic pole surfaces is 10000Oe during magnetic separator.
Material through twice magnetic separation is selected, add another agitator, add water in agitator, and Standard entertion sulfuric acid and the lauryl amine of 1kg sulfuric acid and 80g lauryl amine is added by agitator material per ton, to go forward side by side female flotation of racking, the material carried out after mica flotation utilizes the cyclone of Φ 75 to carry out classification separation, the material after separation is the breeze of kaolin concentrate quality, and is passed through concentrated, that press filtration is the secondary concentrate quality of kaolin breeze by the part material that cyclone is separated.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. a purifying technique for low-grade kaolinite ore, is characterized in that, specifically comprises following processing step:
1. ore is carried out three grades of break process, first coarse crushing is carried out by jaw crusher, and the ore after disintegrating machine coarse crushing fed hold-down bars bar grizzl(e)y sieve, broken in then the on-the-sieve material of hold-down bars bar grizzl(e)y being carried out, in broken after undertaken in small, broken bits by high-pressure roller mill;
2. the ore particle after in small, broken bits is added steel ball medium to mill, discharge, after ball mill is milled, is broken up by ore, and reclaims steel ball medium, then material is fed vibratory sieve sieves, and on-the-sieve material is sent into ball mill and carry out secondary and mill;
3. the undersize material after being milled by secondary adds water, and the cyclone that the spiral classifier utilizing diameter to be 1200mm respectively, the diameter cyclone that is 150mm and diameter are 75mm carries out three grades of classifications, the second level and the third level of the cyclone institute separating treatment that the cyclone being 150mm by diameter and diameter are 75mm mix and add in agitator;
4. in agitator, add sulphur, butyl xanthate, 2# oil, its addition by step per ton 3. in the amount of material of mixing be followed successively by 400 ~ 600g, 180 ~ 250g, 50 ~ 70g, the compound of agitator is stirred and adds water, carry out flotation of pyrite, and by the material after flotation successively through weak magnetic magnetic separation and magnetic separator;
5. the material through twice magnetic separation is selected, add another agitator, add water in agitator, and add sulfuric acid and lauryl amine respectively by the weight of the material in agitator, its standard added is that material per ton adds 800 ~ 1000g sulfuric acid and 70 ~ 90g lauryl amine, female flotation of racking of going forward side by side;
The material carried out after mica flotation utilizes the cyclone of Φ 75 to carry out classification separation, the material after separation is the breeze of kaolin concentrate quality, and is passed through concentrated, that press filtration is the secondary concentrate quality of kaolin breeze by the part material that cyclone is separated.
2. the purifying technique of a kind of low-grade kaolinite ore according to claim 1, is characterized in that, the granularity after described coarse crushing is 80 ~ 100mm, in broken after granularity be 60 ~ 80mm, and in small, broken bits after granularity be below 50mm.
3. the purifying technique of a kind of low-grade kaolinite ore according to claim 1, is characterized in that, the addition of the sulphur added in described agitator, butyl xanthate, 2# oil by step per ton 3. in the amount of material of mixing be 500g, 200g and 60g.
4. the purifying technique of a kind of low-grade kaolinite ore according to claim 1, is characterized in that, the magnetic field intensity of the magnetic pole surfaces of described weak magnetic magnetic separation is 1200 ~ 1500Oe.
5. the purifying technique of a kind of low-grade kaolinite ore according to claim 1, is characterized in that, the magnetic field intensity of the magnetic pole surfaces of described magnetic separator is 8000 ~ 12000Oe.
6. the purifying technique of a kind of low-grade kaolinite ore according to claim 1, is characterized in that, the sulfuric acid added after described magnetic separation and the amount of lauryl amine are sulfuric acid and the 80g lauryl amine that material per ton adds 1kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685660.8A CN104475235A (en) | 2014-11-26 | 2014-11-26 | Purification process for low-grade kaolin ores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685660.8A CN104475235A (en) | 2014-11-26 | 2014-11-26 | Purification process for low-grade kaolin ores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104475235A true CN104475235A (en) | 2015-04-01 |
Family
ID=52749915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410685660.8A Pending CN104475235A (en) | 2014-11-26 | 2014-11-26 | Purification process for low-grade kaolin ores |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104475235A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268544A (en) * | 2015-12-01 | 2016-01-27 | 中国矿业大学 | Wide-particle-size coal series kaolinite upgrading process based on fluidization sorting |
| CN106076599A (en) * | 2016-05-30 | 2016-11-09 | 茂名市银华高岭土实业有限公司 | A kind of method of Kaolin desanding |
| CN106824509A (en) * | 2017-03-09 | 2017-06-13 | 兖矿北海高岭土有限公司 | A kind of ultrafine kaolin gravity separation method |
| CN107511251A (en) * | 2017-09-08 | 2017-12-26 | 蚌埠玻璃工业设计研究院 | It is a kind of that mica and the method for feldspar and quartz sand are reclaimed from Kaolin Tailings |
| CN110201791A (en) * | 2019-06-06 | 2019-09-06 | 山东华特磁电科技股份有限公司 | Sandy kaoline comprehensive utilization of tailing method containing tourmaline, muscovite, quartz sand |
-
2014
- 2014-11-26 CN CN201410685660.8A patent/CN104475235A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268544A (en) * | 2015-12-01 | 2016-01-27 | 中国矿业大学 | Wide-particle-size coal series kaolinite upgrading process based on fluidization sorting |
| CN105268544B (en) * | 2015-12-01 | 2018-02-23 | 中国矿业大学 | A kind of wide grade Coaseries kaolin process for upgrading based on fluidization sorting |
| CN106076599A (en) * | 2016-05-30 | 2016-11-09 | 茂名市银华高岭土实业有限公司 | A kind of method of Kaolin desanding |
| CN106824509A (en) * | 2017-03-09 | 2017-06-13 | 兖矿北海高岭土有限公司 | A kind of ultrafine kaolin gravity separation method |
| CN107511251A (en) * | 2017-09-08 | 2017-12-26 | 蚌埠玻璃工业设计研究院 | It is a kind of that mica and the method for feldspar and quartz sand are reclaimed from Kaolin Tailings |
| CN107511251B (en) * | 2017-09-08 | 2019-07-19 | 蚌埠玻璃工业设计研究院 | A method of recycling mica and feldspar and quartz sand from Kaolin Tailings |
| CN110201791A (en) * | 2019-06-06 | 2019-09-06 | 山东华特磁电科技股份有限公司 | Sandy kaoline comprehensive utilization of tailing method containing tourmaline, muscovite, quartz sand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107511251B (en) | A method of recycling mica and feldspar and quartz sand from Kaolin Tailings | |
| CN104475235A (en) | Purification process for low-grade kaolin ores | |
| CN100478077C (en) | Mine milling method for improving particles size distribution of bauxite mine milling products | |
| CN102489411B (en) | Flotation two-stage desiliconization method for high-silicon bauxite | |
| CN102069033A (en) | Method for separating and extracting feldspar ore with complex impurity components | |
| CN103111364B (en) | Technology of extracting quartz and feldspar from gangue | |
| CN104722396B (en) | Comprehensive utilization method of magnetite-containing country rock | |
| CN110860367B (en) | Gravity separation method for gibbsite type bauxite | |
| CN108380379B (en) | Efficient and environment-friendly beneficiation method for low-grade magnetite | |
| CN110328047B (en) | Method for preparing ceramic raw material from granite stone sawn mud stone powder | |
| CN102357400A (en) | Method for processing low-grade kaolinite ore | |
| CN104399578A (en) | Pre-selection method for low-grade hematite-containing waste rock | |
| CN106311438A (en) | Low-grade Anshan magnetite beneficiation process | |
| WO2019218295A1 (en) | Efficient purification method for high-silicon, high-calcium, high-iron and low-grade brucite | |
| CN115178363B (en) | Ultra-high purity quartz powder prepared from mudstone-containing quartz rock and comprehensive utilization process | |
| CN109806966A (en) | Beneficiation method for comprehensively recovering strontium minerals from rare earth tailings | |
| CN103230832B (en) | Beneficiation method for recovering fine fraction iron from strong magnetic separation gangues of ferric oxide ores | |
| CN109465105A (en) | Tail is thrown in a kind of circulation dissociation of iron ore ultrafine grinding and tailing recycles technique | |
| CN104624360A (en) | Combined reagent and method for sorting kyanite minerals under neutral condition | |
| CN110369121A (en) | Screening-gravity separation technology is added before phosphorus ore direct flotation operation | |
| CN105057088A (en) | Method for recycling quartz and feldspar mixtures from gold flotation tailings | |
| CN103240169A (en) | Gravity-flotation combined phosphorite separation process | |
| CN107042154A (en) | A kind of wet method processing technology of sandy kaoline | |
| CN103861723A (en) | Method for separating and extracting fine particle Ta-Nb concentrate | |
| CN112169974B (en) | Processing technology of iron ore waste soil and stone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150401 |
|
| WD01 | Invention patent application deemed withdrawn after publication |