CN204129033U - The continuous elutriation instrument improved - Google Patents
The continuous elutriation instrument improved Download PDFInfo
- Publication number
- CN204129033U CN204129033U CN201420133802.5U CN201420133802U CN204129033U CN 204129033 U CN204129033 U CN 204129033U CN 201420133802 U CN201420133802 U CN 201420133802U CN 204129033 U CN204129033 U CN 204129033U
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- classification
- pipe
- continuous
- elutriation instrument
- classification pipe
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- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 14
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000839 emulsion Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 239000011362 coarse particle Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The continuous elutriation instrument improved.The utility model belongs to the continuous elutriation instrument used in gravity treatment, is specifically related to a kind of continuous elutriation instrument that wide grain group can be divided into 74,37,19,10,5 and the narrower grain group of-5 μm of grades.This continuous elutriation instrument is that 105ml/min, water glass solution are under the condition measured as 5ml/min in corresponding confluent, the classification basal area of each classification pipe increases about 83% than the classification basal area of technical background, and the internal diameter of two cone short tubes (to connect the short tube of emulsion tube) up and down of each classification pipe is twice than original expansion.The utility model does not change existing grain group classification technique and theory, greatly can improve the hindered settling phenomenon produced in classification pipe, and the latch up phenomenon that lower cone short tube connection emulsion tube this section of region often occurs can be eliminated, greatly improve the accuracy of subsequent hierarchical.
Description
Technical field
The utility model belongs to the continuous elutriation instrument used in gravity treatment, is specifically related to a kind of continuous elutriation instrument that wide grain group can be divided into 74,37,19,10,5 and the narrower grain group of-5 μm of grades.
Technical background
The early stage continuous elutriation instrument of China brings multi-center trial institute of Yunnan Tin Industrial Corp. in the middle and later periods fifties into by Soviet Union gravity treatment expert, and it is made up of the classification pipe device of waterworks, water glass solution device, mine-feeding equipment, five grades and overflow gathering apparatus five part.Standard operation for decades first high-order constant pressure water tank and classification pipe is filled water and keep full-water level, opens the water pipe gate valve that high-order constant pressure water tank connects little constant pressure water tank, makes little constant pressure water tank keep full-water level.Water from constant pressure water tank after connecting pipe to little constant pressure water tank, then through connecting pipe arrive buret.Open 1% water glass solution container valve, flow is adjusted to about 5ml/min.Regulate little constant pressure water tank feed pipe screw tongs, make the total amount of liquid of elutriation instrument overflow (comprising water glass solution) keep 100ml/min.With funnel, elutriation sample is fed in the bottle of ore deposit after regulating flow, each elutriation sample size desirable 50g(solid weight), in advance with 200 mesh sieve removing coarse particles (as ore proportion is comparatively large, the most handy 400 mesh sieve are every thick).Ore pulp is made into about 10% concentration, is approximately 60ml/min to ore deposit flow, to rubber-tube clamping bottom the bottle of ore deposit, controls bottle primer pipe and makes ore pulp slowly feed the batch meter of classification pipe, will rinse well after giving to ore deposit bottle and funnel.When ore pulp is by 74 μm of classification pipes, is less than 74 μm of rank grain groups and flow in 37 μm of classification pipes, be greater than 74 μm of rank grain groups and stay between 74 μm of classification pipe epicones and emulsion tube.Be greater than 37,19,10,5 μm of rank grain group correspondences to stay 37 μm of classification pipes, 19 μm of classification pipes, 10 μm of classification pipes, between 5 μm of classification pipe epicones and emulsion tube, be less than 5 μm of rank grain groups and enter in overflow ladle through overflow bottle.Generalized case was to about one and a half hours ore deposit time, and after six hours, out overflow change is clear for general overflow bottle, can stop feedwater and water glass, terminate classification process.
The design parameter that traditional continuous elutriation instrument is main:
Confluent 95ml/min, water glass solution 5ml/min, dry sample ore weight 50 ~ 100g.
Classification pipe classification basal area:
74 μm of grade 280.26mm
2
37 μm of grade 980.90mm
2
19 μm of grade 3719.80mm
2
10 μm of grade 8624.41mm
2
The discrepancy of classification pipe epicone and lower cone is entered to starch minor tube inner diameter and is Ф 6mm.
Find in long-term practice, much more than other device produced problem of classification pipe device, major embodiment both ways, one, 74 μm of classification pipes and 37 μm of viewed phenomenons of classification pipe are exactly that hindered settling phenomenon is comparatively outstanding, find that the concentration expressed in percentage by weight in 74 μm of classification pipes and 37 μm of classification pipe pipes is respectively about 20% and about 6%, has had a strong impact on the accuracy of subsequent hierarchical as calculated.Its two, bore in this region of short tube connection rubber tube under these two classification pipes and often block, operating personnel often all with hand pinch emulsion tube get rid of blocking, so also can affect follow-up precision of analysis.
Summary of the invention
The purpose of this utility model is to provide the continuous elutriation instrument of a kind of improvement, it does not change existing grain group classification technique and theory, the hindered settling phenomenon produced in classification pipe can be greatly reduced, and the emulsion tube latch up phenomenon of lower cone short tube connection can be eliminated, greatly improve follow-up accuracy of analysis.
Realizing the technical scheme that the utility model above-mentioned purpose takes is: corresponding confluent is 105ml/min, water glass solution under the amount condition that is 5ml/min, the basal area of each classification pipe classification expands 83% ± 0.5%.
The internal diameter expansion of upper and lower two the cone short tubes (namely connecting the short tube of emulsion tube) of each classification pipe is twice and reaches Ф 12mm, well eliminates the latch up phenomenon that lower cone short tube connection emulsion tube this section of region often occurs.
In order to reach best grading effect, the classification basal area of five classification pipes is respectively: 74 μm of classification pipe 513.91mm
2, 37 μm of classification pipe 1793.01mm
2, 19 μm of classification pipe 6819.23mm
2, 10 μm of classification pipe 15812.24mm
2with 5 μm of classification pipe 20370.37mm
2.
Advantageous Effects of the present utility model is: by reasonably expanding the classification basal area of classification pipe, eliminate the severe interference phenomenon of particle in free setting significantly, also just improve follow-up precision of analysis, and without the need to the grain group classification technique that changes existing maturation and theory; By the emulsion tube internal diameter that the lower cone short tube reasonably expanding classification pipe connects, eliminate the phenomenon that emulsion tube often blocks well, also improve follow-up precision of analysis equally.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: tap water 1, overflow water 2, constant pressure water tank 3, connecting pipe 4, little constant pressure water tank 5, overflow water 6, connecting pipe 7, water glass solution bottle 8, connecting pipe 9, buret 10, funnel 11, to ore deposit bottle 12, Ore Hopper 13, short tube 14, epicone 15, cylindrical shell 16, lower cone 17, short tube 18, emulsion tube 19,74 μm of classification pipes 20,37 μm of classification pipes 21,19 μm of classification pipes 22,10 μm of classification pipes disconnected 23,5 μm of classification pipes 24, overflow bottle 25, overflow ladles 26.
specific implementation method
See Fig. 1, this continuous elutriation instrument is made up of waterworks (3,4,5,7,10), water glass solution device (8,9,11), mine-feeding equipment (12), classification pipe device (20,21,22,23,24) and overflow gathering apparatus (25,26) five parts.First the constant pressure water tank 3 of a high position and classification pipe 20 ~ 24 filled water and keep full-water level during operation, opening the water pipe gate valve that high-order constant pressure water tank 3 connects little constant pressure water tank 5, making little constant pressure water tank 5 keep full-water level.Water after connecting pipe 4 to little constant pressure water tank 5, then arrives buret 10 through connecting pipe 7 from constant pressure water tank 3.Open the container valve of 1% water glass solution bottle 8, flow is adjusted to about 5ml/min.Regulate little constant pressure water tank feed pipe screw tongs, make the total amount of liquid of elutriation instrument overflow (comprising water glass solution) keep 110ml/min.With funnel, elutriation sample is fed in ore deposit bottle 12 after regulating flow, each elutriation sample size desirable 50g(solid weight), in advance with 200 mesh sieve removing coarse particles (as ore proportion is comparatively large, the most handy 400 mesh sieve are every thick).Ore pulp is made into about 10% concentration, is approximately 60ml/min to ore deposit flow, to rubber-tube clamping bottom ore deposit bottle 12, controls bottle primer pipe and makes ore pulp slowly feed the batch meter 13 of classification pipe, will rinse well after giving to ore deposit bottle and funnel.When ore pulp is by 74 μm of classification pipes 20, is less than 74 μm of rank grain groups and flow in 37 μm of classification pipes, be greater than 74 μm of rank grain groups and stay between 74 μm of classification pipe 20 epicones and emulsion tube.Be greater than 37,19,10,5 μm of rank grain group correspondences and stay 37 μm of classification pipes, 21,19 μm of classification pipes, 22,10 μm of classification pipes 23,5 μm between classification pipe 24 epicone and emulsion tube, be less than 5 μm of rank grain groups and enter in overflow ladle 26 through overflow bottle 25.Generalized case was to about one and a half hours ore deposit time, and after six hours, out overflow change is clear for general overflow bottle 25, can stop feedwater and water glass, terminate classification process.
The utility model has done a change to 5 classification pipe staving basal areas, specifically:
74 μm of classification pipe 20 classification basal areas are 513.91mm
2.
37 μm of classification pipe 21 classification basal areas are 1793.01mm
2.
19 μm of classification pipe 22 classification basal areas are 6819.23mm
2.
10 μm of classification pipe 23 classification basal areas are 15812.24mm
2.
For this reason, confluent is 105ml/min, and water glass solution is 5ml/min.
Section 2 that the utility model makes changes: by the going out of original classification pipe epicone and lower cone, enter short tube caliber and expand Ф 12mm to by Ф 6mm.One of technology reduces classification pipe inner volume concentration, realizes free setting; Two of technology solves classification tube passage blockage problem.
Below two comparative test result tables of the continuous elutriation instrument of the utility model.
Table 1
，
Table 2
。
Claims (2)
1. the continuous elutriation instrument improved, it is characterized in that: corresponding confluent is 105ml/min, water glass solution is under the condition of 5ml/min to amount, the basal area of each classification pipe classification expands 83% ± 0.5%, and the internal diameter expansion of upper and lower two the cone short tubes of each classification pipe is twice.
2., by the continuous elutriation instrument of improvement according to claim 1, it is characterized in that: the classification basal area of five classification pipes is respectively 74 μm of classification pipe 513.91mm
2, 37 μm of classification pipe 1793.01mm
2, 19 μm of classification pipe 6819.23mm
2, 10 μm of classification pipe 15812.24mm
2with 5 μm of classification pipe 20370.37mm
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133802.5U CN204129033U (en) | 2014-03-24 | 2014-03-24 | The continuous elutriation instrument improved |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420133802.5U CN204129033U (en) | 2014-03-24 | 2014-03-24 | The continuous elutriation instrument improved |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204129033U true CN204129033U (en) | 2015-01-28 |
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ID=52385378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420133802.5U Expired - Lifetime CN204129033U (en) | 2014-03-24 | 2014-03-24 | The continuous elutriation instrument improved |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204129033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018203A (en) * | 2016-06-06 | 2016-10-12 | 武汉理工大学 | Simple and practical elutriator |
-
2014
- 2014-03-24 CN CN201420133802.5U patent/CN204129033U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018203A (en) * | 2016-06-06 | 2016-10-12 | 武汉理工大学 | Simple and practical elutriator |
| CN106018203B (en) * | 2016-06-06 | 2018-09-18 | 武汉理工大学 | A kind of Simple And Practical wet elutriator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150128 |