CN102445244A - Ore slurry online detection device and multi-parameter detection method - Google Patents
Ore slurry online detection device and multi-parameter detection method Download PDFInfo
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- CN102445244A CN102445244A CN2011103166414A CN201110316641A CN102445244A CN 102445244 A CN102445244 A CN 102445244A CN 2011103166414 A CN2011103166414 A CN 2011103166414A CN 201110316641 A CN201110316641 A CN 201110316641A CN 102445244 A CN102445244 A CN 102445244A
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Abstract
The invention provides an ore slurry online detection device and a multi-parameter detection method. The ore slurry online detection device comprises an electronic scale and a sample weighing hopper with feeding ports, a discharging port and an overflow port and is characterized in that the sample weighing hopper is suspended on the electronic scale through a connection piece, and two feeding ports of the sample weighing hopper are communicated through a liquid feeding pipe and a switching valve. During detection, a small stream of ore slurry for testing is intercepted from a general ore slurry stream by compression ratios and sent to the sample weighing hopper where a fixed quantity of water is pre-filled so as to obtain weight of dry ore in the slurry stream, an instant flow of the dry ore and ore slurry concentration and other parameters and achieve continuous multi-parameter online detection of the ore slurry stream. Accordingly, the ore slurry online detection device is high in detection accuracy, good in stability, reliable in work, simple in structure, convenient in operation, few in operators, low in labor intensity and capable of satisfying requirements of modern production, collecting full-flow-path information for a concentration plant and paving the road for automatic detection and control.
Description
Technical field
The present invention relates to a kind of pick-up unit and detection method, belong to ore pulp multiparameter detection technique field.
Background technology
Ore pulp is that ore grinds the liquid mineral that afterwards mix with water and form, and in ore dressing was produced, ore was mainly carried and sorted with the form of flow of slurry.Cumulative amount, instantaneous delivery and the mineral slurry flux of dried ore deposit amount, pulp density etc. are the important control parameters of dressing Production Process in the ore pulp, and can be directly connected to ore-dressing practice carry out smoothly.Though it is multiple that the present method that detects these parameters has, the precision that has is lower, the need manually-operated that has; And the ability reading has once satisfied not the needs of modern production far away about 1 hour, even also can be untimely because of detecting, inaccurate; And influence the normal running of production run; Cause production efficiency low, recovery rate of valuable metals is low, influences economic benefit of enterprises.
Summary of the invention
For overcoming the above-mentioned deficiency that prior art exists; The present invention provides a kind of and can from flow of slurry, take out a spot of test and use flow of slurry; Come accurately to measure continuously the on-line measuring device of cumulative amount, instantaneous delivery, mineral slurry flux and the pulp density of the dried ore deposit amount in the ore pulp; To reduce labour intensity, improve the real-time and the measuring accuracy of measurement parameter, better control ore dressing production.
Another object of the present invention is to provide the said ore pulp on-line measuring device of a kind of usefulness to carry out the method that the ore pulp multiparameter detects.
The present invention is to provide a kind of like this ore pulp on-line measuring device; The title appearance bucket that comprises band charging aperture, discharge gate and overflow vent on it; And electronic scales, it is characterized in that claiming that the appearance bucket is suspended on the electronic scales through web member, and two are claimed to be interconnected through feed tube, transfer valve between the appearance bucket charging aperture; With the detection that hockets, realize continuous detecting and online demonstration.
Said web member comprises the pressing plate that places on the electronic scales, and symmetry is connected the vertical cantilever on the pressing plate, and the vertical cantilever lower end links to each other with claiming the appearance bucket, claims that the appearance bucket hangs on the electronic scales so that make, with the real-time online video data.
The said drain pipe of appearance bucket overflow vent of claiming is provided with flowmeter, and preferred electromagnetic flowmeter is used to detect the fluid flow that overflow vent flows out.
The present invention is to provide a kind of like this ore pulp multi-parameter detecting method, it is characterized in that comprising the following steps:
A, by routine with the division machine from total flow of slurry, by setting and using flow of slurry than the test of N intercepting shallow bid through the division of test;
B, with the test of A step with flow of slurry through ore pulp house steward, transfer valve, ore pulp be in charge of, charging aperture; Send in the title appearance bucket that is marked with quantitative clear water in advance; Along with the injection of test, claim that the liquid in the appearance bucket overflows synchronously, and injection rate IR equals spill-out with flow of slurry; Test simultaneously is settled down to the bottom and title appearance bucket weight is increased with the dried ore deposit in the flow of slurry, this added value G
wBe test with the dried ore deposit weight in the flow of slurry, must test with doing ore deposit accumulative total quality G in the flow of slurry according to following formula
S(unit is kg):
G
S?=N·
ρ s ·G
w/(
ρ s －1?) （1）
In the formula, N: division ratio;
ρ s : the dried ore deposit proportion in the ore pulp, unit is g/cm
3
G
w: the dried ore deposit weight in the ore pulp, promptly claim appearance bucket weight added value;
C, with the accumulative total quality G of step B
SPress following formula to time t differential, promptly draw test with the instantaneous delivery F that does the ore deposit in the flow of slurry
s(unit is kg/h):
F
s ?=dG
S/dt
（2）
D, when step B liquid overflows,, detect flow of liquid value F through the flowmeter on the overflow vent drain pipe
w, be calculated as follows the instantaneous delivery F that obtains total flow of slurry
W is total:
F
W is total=NF
w
(3)
In the formula: N: the division ratio;
F
w: from the detected flow of liquid value of overflow vent drain pipe, unit is kg/h;
E, draw pulp density R (Wt%) by following formula:
R=F
s/ { F
s(
ρ s -1)
+F
W is total(4)
In the formula, F
s: the test that is obtained by step C is with the instantaneous delivery of doing the ore deposit in the flow of slurry, and unit is kg/h;
ρ s : do the proportion in ore deposit in the ore pulp, unit is g/cm
3
F
W is total: the instantaneous delivery F of the total flow of slurry that obtains by step D
W is total, unit is kg/h.
The present invention has advantage and effect: adopt technique scheme, can obtain to test accumulating weight, the instantaneous delivery of measuring with the dried ore deposit in the flow of slurry, and then obtain the multiparameters such as instantaneous delivery and pulp density of total flow of slurry; The multiparameter on-line continuous that has realized flow of slurry detects, and measuring accuracy height, good stability, reliable operation, and the present invention is simple in structure; Easy to operate; The operation staffing is few, and labour intensity is low, can satisfy the modern production needs; Gather whole process information for the ore dressing plant, realize that robotization detects, control lays the first stone.
Description of drawings
Fig. 1 is the present invention's ore pulp on-line measuring device structural representation.
Ore pulp on-line measuring device among Fig. 1 comprises on it title appearance bucket 6 of band charging aperture 5, discharge gate 8 and overflow vent 9, and electronic scales 3, claims that appearance bucket 6 is suspended on the electronic scales 3 through web member; Said web member comprises the pressing plate 10 that places on the electronic scales 3, and symmetry is connected the vertical cantilever 11 on the pressing plate 10, and vertical cantilever 11 lower ends link to each other with claiming appearance bucket 6; Make and claim that appearance bucket 6 hangs on the electronic scales 3, claim that at two being provided with ore pulp on appearance bucket 6 charging apertures 5 is in charge of 4, respectively be in charge of 4 and be communicated with ore pulp house steward 1 through transfer valve 2; So that making ore pulp get into one of them through transfer valve 2 claims in the appearance bucket; Carry out the ore pulp metering, during cleaning, make ore pulp get into another through transfer valve 2 again and claim in the appearance bucket; Proceed the ore pulp metering; Realize the continuous measurement and the online demonstration of ore pulp, claim that the drain pipe of appearance bucket 6 overflow vents 9 is provided with electromagnetic flowmeter 12, be used to detect the fluid flow that overflow vent 9 flows out.
A kind of ore pulp multi-parameter detecting method, process the following step:
A, use the division machine from the bigger ore pulp of quantity routinely, by set and through the division of test than N=8000, a spot of test flow of slurry of intercepting;
B, with the test of A step with flow of slurry through ore pulp house steward 1, transfer valve 2, ore pulp be in charge of 4, charging aperture 5 sends in the title appearance bucket 6 that is marked with quantitative clear water in advance; Along with the injection of test with flow of slurry; Claim that the liquid in the appearance bucket 6 overflows from spillway 9 synchronously, and injection rate IR equals spill-out, test simultaneously being settled down to the bottom of claiming appearance bucket 6 with the dried ore deposit in the flow of slurry and making claims the increase of appearance bucket 6 weight; Inject after 8 hours, the flow of slurry added value is used in test
G wBe 20kg, do the proportion in ore deposit in the ore pulp
ρ s =2.5g/cm
3, then obtain test with doing ore deposit accumulative total quality in the flow of slurry according to following formula
G S:
G
S?=N×
ρ S ×G
w/(
ρ S －1?)
=8000×2.5×20/(2.5-1)
=266666 (kg)
C, with the test of step B with doing ore deposit accumulative total quality G in the flow of slurry
SPress following formula to time t differential, promptly draw test with the instantaneous delivery F that does the ore deposit in the flow of slurry
s, owing to this is to do ore deposit accumulative total quality in 8 hours in the ore pulp, draw the average instantaneous delivery of doing the ore deposit in 8 hours in the ore pulp thus to be:
F
s =?G
S /8
=266666/8=33333 (kg/h)
When D, step B liquid overflow from spillway 9, detect the flow value F of liquid through the electromagnetic flowmeter 12 on overflow vent 9 drain pipes
w=2.5kg/h obtains the instantaneous delivery F of total flow of slurry by following formula
W is total:
F
W is total=N * F
w
＝8000×2.5=20000 (kg/h)
E, draw pulp density R (Wt%) by following formula:
R=F
s/ { F
s(
ρ s -1)
+F
W is total}
R＝33333/{33333(2.5-1)+20000}
R=0.476 (that is: 47.6 Wt%).
Claims (4)
1. ore pulp on-line measuring device; The title appearance bucket that comprises band charging aperture, discharge gate and overflow vent on it; And electronic scales, it is characterized in that claiming that the appearance bucket is suspended on the electronic scales through web member, and two are claimed to be interconnected through feed tube, transfer valve between the appearance bucket charging aperture.
2. ore pulp on-line measuring device as claimed in claim 1 is characterized in that said web member comprises the pressing plate that places on the electronic scales, and symmetry is connected the vertical cantilever on the pressing plate, and the vertical cantilever lower end links to each other with claiming the appearance bucket.
3. ore pulp on-line measuring device as claimed in claim 1 is characterized in that the said drain pipe of appearance bucket overflow vent of claiming is provided with flowmeter.
4. a method of carrying out the detection of ore pulp multiparameter with the said ore pulp on-line measuring device of claim 1 is characterized in that comprising the following steps:
A, by routine with the division machine from total flow of slurry, by setting and using flow of slurry than the test of N intercepting shallow bid through the division of test;
B, with the test of A step with flow of slurry through ore pulp house steward, transfer valve, ore pulp be in charge of, charging aperture; Send in the title appearance bucket that is marked with quantitative clear water in advance; Along with the injection of test, claim that the liquid in the appearance bucket overflows synchronously, and injection rate IR equals spill-out with flow of slurry; Test simultaneously is settled down to the bottom and title appearance bucket weight is increased with the dried ore deposit in the flow of slurry, this added value G
wBe test with the dried ore deposit weight in the flow of slurry, must test with doing ore deposit accumulative total quality G in the flow of slurry according to following formula
S(unit is kg):
G
S?=N·
ρ s ·G
w/(
ρ s －1?) （1）
In the formula, N: division ratio;
ρ s : the dried ore deposit proportion in the ore pulp, unit is g/cm
3
G
w: the dried ore deposit weight in the ore pulp, promptly claim appearance bucket weight added value;
C, with the accumulative total quality G of step B
SPress following formula to time t differential, promptly draw test with the instantaneous delivery F that does the ore deposit in the flow of slurry
s(unit is kg/h):
F
s ?=dG
S/dt
（2）
D, when step B liquid overflows,, detect flow of liquid value F through the flowmeter on the overflow vent drain pipe
w, be calculated as follows the instantaneous delivery F that obtains total flow of slurry
W is total:
F
W is total=NF
w
(3)
In the formula: N: the division ratio;
F
w: from the detected flow of liquid value of overflow vent drain pipe, unit is kg/h;
E, draw pulp density R (Wt%) by following formula:
R=F
s/ { F
s(
ρ s -1)
+F
W is total(4)
In the formula, F
s: the test that is obtained by step C is with the instantaneous delivery of doing the ore deposit in the flow of slurry, and unit is kg/h;
ρ s : do the proportion in ore deposit in the ore pulp, unit is g/cm
3
F
W is total: the instantaneous delivery F of the total flow of slurry that obtains by step D
W is total, unit is kg/h.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110316641 CN102445244B (en) | 2011-10-18 | 2011-10-18 | Ore slurry online detection device and multi-parameter detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110316641 CN102445244B (en) | 2011-10-18 | 2011-10-18 | Ore slurry online detection device and multi-parameter detection method |
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| CN102445244A true CN102445244A (en) | 2012-05-09 |
| CN102445244B CN102445244B (en) | 2013-07-17 |
Family
ID=46007962
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162754A (en) * | 2013-03-22 | 2013-06-19 | 魏强 | Liquid mass and flow measuring device |
| CN103257091A (en) * | 2013-05-11 | 2013-08-21 | 云南锡业集团（控股）有限责任公司 | Integrated mass concentration online detection method for high-concentration ore pulp |
| CN104713599A (en) * | 2015-03-16 | 2015-06-17 | 江西稀有稀土金属钨业集团有限公司 | Ore pulp metering method and device |
| CN104764900A (en) * | 2015-04-11 | 2015-07-08 | 山东捷宏环保科技有限公司 | Filter press filtrate monitoring device |
| CN105486389A (en) * | 2015-12-14 | 2016-04-13 | 无锡正佳自控系统设备有限公司 | Liquid material feeding metering apparatus |
| CN105510169A (en) * | 2015-11-27 | 2016-04-20 | 长沙有色冶金设计研究院有限公司 | Small weighing type continuous pulp flow weight concentration measurement device |
| CN108672031A (en) * | 2018-05-17 | 2018-10-19 | 山东工大中能科技有限公司 | Marble feeding device control system based on ARM controller |
| CN109917824A (en) * | 2017-12-13 | 2019-06-21 | 中国科学院大连化学物理研究所 | A kind of flow rate calculation system applied to the test of nontoxic monopropellant engine heat examination |
| CN110220732A (en) * | 2019-07-08 | 2019-09-10 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of deep-sea feed bin spew test device |
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| WO2004109240A2 (en) * | 2003-06-06 | 2004-12-16 | Anglo American Platinum Corporation Limited | Mass flow metering systems |
| CN101251395A (en) * | 2008-04-02 | 2008-08-27 | 罗放明 | Mineral slurry flux on-line detecting device and multi-parameter on-line detecting integrated system |
| CN202229828U (en) * | 2011-10-18 | 2012-05-23 | 昆明有色冶金设计研究院股份公司 | Pulp on-line detection device |
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2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004109240A2 (en) * | 2003-06-06 | 2004-12-16 | Anglo American Platinum Corporation Limited | Mass flow metering systems |
| CN101251395A (en) * | 2008-04-02 | 2008-08-27 | 罗放明 | Mineral slurry flux on-line detecting device and multi-parameter on-line detecting integrated system |
| CN202229828U (en) * | 2011-10-18 | 2012-05-23 | 昆明有色冶金设计研究院股份公司 | Pulp on-line detection device |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162754B (en) * | 2013-03-22 | 2016-06-08 | 魏强 | Liquid quality flow measuring apparatus |
| CN103162754A (en) * | 2013-03-22 | 2013-06-19 | 魏强 | Liquid mass and flow measuring device |
| CN103257091A (en) * | 2013-05-11 | 2013-08-21 | 云南锡业集团（控股）有限责任公司 | Integrated mass concentration online detection method for high-concentration ore pulp |
| CN104713599A (en) * | 2015-03-16 | 2015-06-17 | 江西稀有稀土金属钨业集团有限公司 | Ore pulp metering method and device |
| CN104713599B (en) * | 2015-03-16 | 2017-07-18 | 江西稀有稀土金属钨业集团有限公司 | A kind of ore pulp-measuring method and ore pulp-measuring device |
| CN104764900A (en) * | 2015-04-11 | 2015-07-08 | 山东捷宏环保科技有限公司 | Filter press filtrate monitoring device |
| CN105510169A (en) * | 2015-11-27 | 2016-04-20 | 长沙有色冶金设计研究院有限公司 | Small weighing type continuous pulp flow weight concentration measurement device |
| CN105510169B (en) * | 2015-11-27 | 2018-02-02 | 长沙有色冶金设计研究院有限公司 | A kind of continuous flow of slurry weight concentration measurement apparatus of small-sized Weighing type |
| CN105486389A (en) * | 2015-12-14 | 2016-04-13 | 无锡正佳自控系统设备有限公司 | Liquid material feeding metering apparatus |
| CN109917824A (en) * | 2017-12-13 | 2019-06-21 | 中国科学院大连化学物理研究所 | A kind of flow rate calculation system applied to the test of nontoxic monopropellant engine heat examination |
| CN108672031A (en) * | 2018-05-17 | 2018-10-19 | 山东工大中能科技有限公司 | Marble feeding device control system based on ARM controller |
| CN108672031B (en) * | 2018-05-17 | 2020-09-29 | 山东工大中能科技有限公司 | Ball adding machine control system based on ARM controller |
| CN110220732A (en) * | 2019-07-08 | 2019-09-10 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | A kind of deep-sea feed bin spew test device |
| CN110220732B (en) * | 2019-07-08 | 2020-09-29 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Deep sea feed bin flash test device |
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