CN108844791A - The production method that process mineralogy detection is ground with ore sample - Google Patents
The production method that process mineralogy detection is ground with ore sample Download PDFInfo
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- CN108844791A CN108844791A CN201810593714.6A CN201810593714A CN108844791A CN 108844791 A CN108844791 A CN 108844791A CN 201810593714 A CN201810593714 A CN 201810593714A CN 108844791 A CN108844791 A CN 108844791A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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Abstract
The present invention is a kind of production method of process mineralogy detection ore sample grinding, and alcohol is added after ore sample is mixed, and ultrasound filters, dry, obtains meso sample；Epoxy resin is mixed with ethyl acetate, mixed liquor is heated and is stirred and fatty amine curing process is added obtains potting syrup.It is demoulded after potting syrup, meso sample are solidified in plastic hoop mold, obtains epoxy resin samples.Epoxy resin samples are ground, polished and steamed carbon and handle to obtain process mineralogy detection to be ground with ore sample.Process mineralogy detection is homogeneously incorporated under the premise of keeping its original property among grinding matrix by the present invention with ore sample, and ore sample is made to reach the requirement of process mineralogy detection and analysis.
Description
Technical field
The present invention relates to the detection of ore technology mineralogy and analysis fields, and in particular to a kind of process mineralogy detection ore sample
The production method of product grinding.
Background technique
It is that smelting raw material and finished product is selected to carry out the master of process mineralogy research that process mineralogy detection is ground with ore sample
Carrier is detected, the production of ore sample grinding is only carried out by reasonable, effective method, just can ensure that it with complete generation
Table, could farthest embody process mineralogy detection advantage, for selecting and smelting technology it is further develop lay it is solid
Basis.
Currently, similar grinding production method differs greatly and manufacture craft is lack of standardization, unreasonable, it is easy to cause the work obtained
Skill mineralogy parameter serious distortion provides the foundation of mistake to next step selecting and smelting technology, research direction is caused deviation occur.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of production that process mineralogy detection is ground with ore sample
Method, process mineralogy detection is homogeneously incorporated under the premise of keeping its original property with ore sample grinding matrix it
In, so that ore sample is reached the requirement of process mineralogy detection and analysis.
Technical scheme is as follows：
A kind of production method that process mineralogy detection is ground with ore sample, it is characterised in that follow the steps below：
（1）, meso sample and potting syrup preparation
It will be loaded in beaker after powder ore sample blending, alcohol, which is added, makes alcohol liquid level be higher by height of specimen 100%-200%, surpasses
It sound 20-30 minutes, filters, dry, agglomeration, which is gone to reunite, obtains meso sample；
By epoxy resin and ethyl acetate according to volume ratio 100:40-100:80 are sufficiently mixed, and are heated and are stirred to mixed liquor
It mixes, until it without sticky sense, keeps under heated condition, into mixed liquor, addition fatty amine curing process obtains potting syrup, mixed liquor
It is 100 with fatty amine volume ratio：5-100：10；
（2）, sample grinding molding
（A）, the potting syrup stirred evenly poured into plastic hoop mold, so that potting syrup is paved with mold bottom, meso sample be added,
It is poured at potting syrup to plastic hoop die tip 2-3mm again, this（A）Meso sample and 1 gram of liquid proportional is poured in step：5-8 milli
It rises；
（B）, meso sample and potting syrup carried out after mixing is sufficiently stirred, vacuumized or standing and defoaming processing keep it solidifying
Gu；
（C）, completely solidification after demould, obtain molding grinding；
（3）, molding grinding grind
Molding grinding is successively passed through coarse grinding treatment 1-3 minutes, and fine grinding is handled 10-15 minutes；
（4）, grinding polishing
Polishing material is added in wafer lapping machine（Partial size is less than 1 micron）Sample grinding is processed by shot blasting about 5-8 minutes, then will
Grinding cleaning, wiped clean, obtain epoxy resin samples；
（5）, steam carbon processing
（A）, specimen surface processing equipment fill carbon electrode after, epoxy resin samples are placed below carbon electrode；
（B）, vacuumize：Vacuum degree 1 × 10-2Pa-2×10-2Pa；
（C）, steam carbon：Evaporation current is kept for 5-10 seconds at 40-60A.
Step（1）The epoxy resin is epoxy resin 6101.
Step（2）The plastic hoop mold need to be clean, and the vaseline of thickness 0.1-0.3mm, plastic hoop are smeared in inside
Lower part surrounding is sealed tightly with clay, prevents from causing mixed liquor to reveal in subsequent casting process.
Step（3）Forming the grinding method being ground is：Wafer lapping machine, which is cleaned out, ensures free from admixture or other abrasive materials residual,
Coarse grain is added in wafer lapping machine（Partial size is 64 microns）Abrasive material carries out above-mentioned molding grinding coarse grinding treatment 1-3 minutes, to be seen
Until there are enough mineral exposures, the sufficiently cleaning such as sample, both hands, wafer lapping machine is then ensured into free from admixture or other abrasive materials
Residual, adds particulate（Partial size is 20 microns）Abrasive material carries out fine grinding and handles about 10-15 minutes, to be seen to arrive sample blade surface
Do not have to stop after apparent scratch and mineral degree of exposure are more obvious.
Step（4）The polishing material partial size being added in wafer lapping machine is less than 1 micron.
The positive effect of the present invention is：
The ore sample grinding made by this production method, being capable of the effective embedding cloth feature for reflecting valuable mineral in ore
Equal process mineralogies information selects smelting further investigation to provide the data reference and research foundation of high value for next step.
Specific embodiment
The present invention is further illustrated combined with specific embodiments below.
1, the preparation of mold
Plastic hoop mold need to be clean, and a small amount of vaseline is smeared in inside, and thickness about 0.1-0.2mm is advisable.It is applied in glass pane surface
One layer of vaseline is smeared, about 0.2mm is advisable, plastic hoop is pressed on the glass plate for being coated with vaseline, and plastic hoop lower part surrounding is wanted
It is tight with clay sealing, it prevents from causing mixed liquor to reveal in subsequent casting process.
2, the preparation of sample
Ore sample is shakeout on blank sheet of paper, is agglomerated with sample spoon and is all pulverized, taking-up is mixed in right amount, then by it
It pours into beaker, alcohol is added（Alcohol dosage is about higher by beaker 1.5 times of height of specimen or so）, ultrasound 25 minutes, mistake
Natural air drying is filtered, agglomeration is gone stand-by after reuniting.
3, the preparation of potting syrup
A certain amount of 6101 epoxy resin is taken, it is heated, ethyl acetate is then taken, by epoxy resin and ethyl acetate
Volume ratio is 100:50 are sufficiently mixed, and are heated and are stirred to mixed liquor, until it continues to keep adding without sticky sense
Warm status, is then added fatty amine curing process into mixed liquor, and mixed liquor and fatty amine volume ratio are 100：8, fatty amine tool
Body dosage is adjusted according to room temperature and different batches sample.When fatty amine is added it is noted that ventilation and quickly stirring, make it
It is mixed thoroughly.
4, the production being ground
（1）The molding of sample grinding
The potting syrup stirred evenly to be poured into plastic hoop mold, its height about 1-2mm is made, stirring makes it be paved with mold bottom,
Ore sample is added, then pours at potting syrup to plastic hoop die tip 2-3mm,（Sample and pour 1 gram of liquid proportional：6 milliliters）
Then sample and potting syrup are mixed well by the way of turning ringlet or straight line stirring, is forbidden by the way of turning great circle
It is stirred, prevents that centrifugal force causes distribution of particles uneven.After mixing, vacuumized or stood one section
Time deaeration, solidification processing.After its completely solidification, demould for use, plastic hoop and desktop etc. is clean, put back to original
Place, in case using again.
（2）Molding grinding is ground
Wafer lapping machine, which is cleaned out, ensures free from admixture or other abrasive materials residual, and coarse grain is added in wafer lapping machine（Partial size is 64 microns）
Abrasive material carries out above-mentioned molding grinding coarse grinding treatment about 1-3 minutes, to be seen until having enough mineral exposures, then
The sufficiently cleaning such as sample, both hands, wafer lapping machine is ensured into free from admixture or other abrasive materials residual, adds particulate（Partial size is 20 microns）
Abrasive material carries out fine grinding and handles about 10-15 minutes, to be seen not have apparent scratch and mineral degree of exposure to sample blade surface
Stop after more obvious.
（3）The polishing of grinding
After to the end of sample grinding fine grinding, polishing material is added in dedicated wafer lapping machine（Partial size is less than 1 micron）Sample is ground
It is processed by shot blasting about 5-8 minutes, then by grinding cleaning, wiped clean, places it in microscopically observation mineral exposure journey
Degree, surface smoothness etc. are further determined that and are ground and polishing effect.
In above process, it has to ensure no cross contamination between each abrasive material, before entering next step process, it is ensured that sample
Product, both hands and wafer lapping machine, which sufficiently clean, ensures free from admixture or other abrasive materials residual.Obtain epoxy resin samples.
5, the steaming carbon of sample
（1）Carbon electrode production
The process section is handled using KYKY SBC-2-I type multifunction sample surface treating machine.By two carbon electrodes（Carbon-point）In
One section be whittled into the inclined-plane of about 50-60 degree, and dig the duck eye of a diameter about 0.3-0.6mm at center；It again will be another
A carbon electrode（Carbon-point）One end be whittled into pyramid type, point is wanted at tip.
（2）Assemble carbon electrode
The duck eye that the coniform carbon electrode tip cut is aligned in another carbon electrode inclined-plane is installed.
（3）Place sample
The sample made is placed on carbon electrode in the following, sample grinding bottom end upward, is uprightly placed.
（4）Carbon is steamed to prepare
After carbon electrode installs, glass bell jar is covered, puts on more empty protective covers outside bell jar again.On instrument control panel, open
Current adjusting knob, high voltage adjusting knob, sample rotates knob, inflation knob are threaded to minimum by power switch.Press high vacuum
Knob, high vacuum lamp is bright, and mechanical pumping lamp is bright, and mechanical pump is started to work, when vacuum meter shows that vacuum degree is less than 20Pa, molecule
The automatic starting of pump, molecule pumping lamp is bright, and molecular pump is started to work, and molecular pump revolution counter can show that the revolving speed of molecular pump, revolving speed can not
It is disconnected to increase to 704 turns.To vacuum degree up to 1.2 × 10-2Carbon can be steamed when Pa.
（5）Carry out steaming carbon
2 buttons of evaporation are pressed, 2 lamps of evaporation are bright, and rotatory current adjusting knob is stepped up evaporation current, evaporates under normal circumstances
Electric current is in 45-55A（It is related with carbon electrode acuity）8 seconds or so steaming carbon is kept to finish.
（6）Take out sample
After steaming carbon, current adjusting knob is threaded to minimum, presses high vacuum button, high vacuum is closed, to molecule revolution speed
When table shows that molecule revolution speed is " 0 ", mechanical pump can be automatically closed in system, can press release button at this time, put to sample room
Gas removes shield after deflation, removes bell jar, takes out sample, then cover bell jar and shield.
（7）Carbon is steamed to finish
Carbon film on sample room and glass bell jar is wiped clean.Conscientiously fill in multifunction sample surface treating machine usage record.
Claims (5)
1. a kind of production method that process mineralogy detection is ground with ore sample, it is characterised in that follow the steps below：
（1）, meso sample and potting syrup preparation
It will be loaded in beaker after powder ore sample blending, alcohol, which is added, makes alcohol liquid level be higher by height of specimen 100%-200%, surpasses
It sound 20-30 minutes, filters, dry, agglomeration, which is gone to reunite, obtains meso sample；
By epoxy resin and ethyl acetate according to volume ratio 100:40-100:80 are sufficiently mixed, and are heated and are stirred to mixed liquor
It mixes, until it without sticky sense, keeps under heated condition, into mixed liquor, addition fatty amine curing process obtains potting syrup, mixed liquor
It is 100 with fatty amine volume ratio：5-100：10；
（2）, sample grinding molding
（A）, the potting syrup stirred evenly poured into plastic hoop mold, so that potting syrup is paved with mold bottom, meso sample be added,
It is poured at potting syrup to plastic hoop die tip 2-3mm again, this（A）Meso sample and 1 gram of liquid proportional is poured in step：5-8 milli
It rises；
（B）, meso sample and potting syrup carried out after mixing is sufficiently stirred, vacuumized or standing and defoaming processing keep it solidifying
Gu；
（C）, completely solidification after demould, obtain molding grinding；
（3）, molding grinding grind
Molding grinding is successively passed through coarse grinding treatment 1-3 minutes, and fine grinding is handled 10-15 minutes；
（4）, grinding polishing
Polishing material is added in wafer lapping machine（Partial size is less than 1 micron）Sample grinding is processed by shot blasting about 5-8 minutes, then will
Grinding cleaning, wiped clean, obtain epoxy resin samples；
（5）, steam carbon processing
（A）, specimen surface processing equipment fill carbon electrode after, epoxy resin samples are placed below carbon electrode；
（B）, vacuumize：Vacuum degree 1 × 10-2Pa-2×10-2Pa；
（C）, steam carbon：Evaporation current is kept for 5-10 seconds at 45-55A.
2. the production method that process mineralogy detection as described in claim 1 is ground with ore sample, it is characterised in that step
（1）The epoxy resin is epoxy resin 6101.
3. the production method that process mineralogy detection as described in claim 1 is ground with ore sample, it is characterised in that step
（2）The plastic hoop mold need to be clean, and the vaseline of thickness 0.1-0.3mm, plastic hoop lower part surrounding pottery are smeared in inside
Soil sealing is tight, prevents from causing mixed liquor to reveal in subsequent casting process.
4. the production method that process mineralogy detection as described in claim 1 is ground with ore sample, it is characterised in that step
（3）Forming the grinding method being ground is：Wafer lapping machine, which is cleaned out, ensures free from admixture or other abrasive materials residual, adds in wafer lapping machine
Enter coarse grain（Partial size is 64 microns）Abrasive material carries out above-mentioned molding grinding coarse grinding treatment 1-3 minutes, to be seen enough to having
Until mineral exposure, the sufficiently cleaning such as sample, both hands, wafer lapping machine is then ensured that free from admixture or other abrasive materials remain, is added
Particulate（Partial size is 20 microns）Abrasive material carries out fine grinding and handles about 10-15 minutes, to be seen not apparent to sample blade surface
Stop after scratch and mineral degree of exposure are more obvious.
5. the production method that process mineralogy detection as described in claim 1 is ground with ore sample, it is characterised in that step
（4）The polishing material partial size being added in wafer lapping machine is less than 1 micron.
Priority Applications (1)
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| CN201810593714.6A CN108844791A (en) | 2018-06-11 | 2018-06-11 | The production method that process mineralogy detection is ground with ore sample |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810593714.6A CN108844791A (en) | 2018-06-11 | 2018-06-11 | The production method that process mineralogy detection is ground with ore sample |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504096A (en) * | 2021-07-31 | 2021-10-15 | 山东黄金矿业科技有限公司选冶实验室分公司 | Preparation method of epoxy resin sheet for ore powder sample |
| CN115283267A (en) * | 2022-08-08 | 2022-11-04 | 山东黄金矿业科技有限公司选冶实验室分公司 | Microwave heating separation method based on mineral particle size identification and grading temperature setting |
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| CN103492851A (en) * | 2011-04-22 | 2014-01-01 | Fei公司 | Automated sample preparation |
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Patent Citations (2)
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| CN103492851A (en) * | 2011-04-22 | 2014-01-01 | Fei公司 | Automated sample preparation |
| CN107340161A (en) * | 2017-05-27 | 2017-11-10 | 石家庄钢铁有限责任公司 | Observe the preparation method that ore deposit mutually uses iron agglomerate sample |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113504096A (en) * | 2021-07-31 | 2021-10-15 | 山东黄金矿业科技有限公司选冶实验室分公司 | Preparation method of epoxy resin sheet for ore powder sample |
| CN113504096B (en) * | 2021-07-31 | 2024-05-28 | 山东黄金矿业科技有限公司选冶实验室分公司 | Preparation method of ore powder sample epoxy resin sheet |
| CN115283267A (en) * | 2022-08-08 | 2022-11-04 | 山东黄金矿业科技有限公司选冶实验室分公司 | Microwave heating separation method based on mineral particle size identification and grading temperature setting |
| CN115283267B (en) * | 2022-08-08 | 2023-10-24 | 山东黄金矿业科技有限公司选冶实验室分公司 | Microwave heating sorting method based on mineral particle size identification and grading constant temperature |
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Application publication date: 20181120 |
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