CN102445244B - Ore slurry online detection device and multi-parameter detection method - Google Patents
Ore slurry online detection device and multi-parameter detection method Download PDFInfo
- Publication number
- CN102445244B CN102445244B CN 201110316641 CN201110316641A CN102445244B CN 102445244 B CN102445244 B CN 102445244B CN 201110316641 CN201110316641 CN 201110316641 CN 201110316641 A CN201110316641 A CN 201110316641A CN 102445244 B CN102445244 B CN 102445244B
- Authority
- CN
- China
- Prior art keywords
- slurry
- flow
- ore
- ore pulp
- test
- 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.)
- Active
Links
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Sampling And Sample Adjustment (AREA)
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 detecting the method for these parameters at present has multiple, but the precision that has is lower, the need manually-operated that has, and the ability reading does not once satisfy the needs of modern production far away about 1 hour, even also can be untimely because 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 prior art above shortcomings, the invention provides and a kind ofly can from flow of slurry, take out a spot of test 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 real-time and the measuring accuracy of measurement parameter, better control ore dressing production.
Another object of the present invention is to provide the described 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 sample bucket that comprises band charging aperture, discharge gate and overflow vent on it, and electronic scales, it is characterized in that claiming the sample bucket to be suspended on the electronic scales by web member, and two claim to be interconnected by feed tube, transfer valve between the sample bucket charging aperture, with the detection that hockets, realize continuous detecting and online demonstration.
Described 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 sample bucket, claims the sample bucket to hang on the electronic scales in order to make, and shows data with real-time online.
The drain pipe of described title sample bucket overflow vent is provided with flowmeter, and preferred electromagnetic flowmeter is for detection of the fluid flow of overflow vent outflow.
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, use the division machine from total flow of slurry routinely, by set and through the division of test than N intercepting shallow bid test flow of slurry;
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 sample bucket that is marked with quantitative clear water in advance, along with the injection of test with flow of slurry, claim the liquid in the sample bucket to overflow synchronously, and injection rate IR equals spill-out, test simultaneously is settled down to the bottom and title sample 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 namely claims sample bucket weight added value;
C, with the accumulative total quality G of step B
SPress following formula to time t differential, namely draw the test 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, by the flowmeter on the overflow vent drain pipe, detect fluid flow value F
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 fluid flow 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: by the test instantaneous delivery of doing the ore deposit in the flow of slurry that step C obtains, 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 is obtained by step D
W is total, unit is kg/h.
The present invention has following advantage and effect: adopt technique scheme, can obtain to test accumulating weight, instantaneous delivery with the dried ore deposit amount in the flow of slurry, and then obtain multiparameters such as the instantaneous delivery of total flow of slurry and pulp density, the multiparameter on-line continuous that has realized flow of slurry detects, and measuring accuracy height, good stability, reliable operation, the present invention is simple in structure, easy to operate, the operation staffing is few, 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 band charging aperture 5 on it, the title sample bucket 6 of discharge gate 8 and overflow vent 9, and electronic scales 3, claim sample bucket 6 to be suspended on the electronic scales 3 by web member, described web member comprises the pressing plate 10 that places on the electronic scales 3, symmetry is connected the vertical cantilever 11 on the pressing plate 10, vertical cantilever 11 lower ends link to each other with claiming sample bucket 6, make and claim sample bucket 6 to hang on the electronic scales 3, claim sample bucket 6 charging apertures 5 to be provided with ore pulp at two and be in charge of 4, respectively being in charge of 4 is communicated with ore pulp house steward 1 by transfer valve 2, so that making ore pulp enter one of them by transfer valve 2 claims in the sample bucket, carry out the ore pulp metering, during cleaning, make ore pulp enter another by transfer valve 2 again and claim in the sample bucket, proceed the ore pulp metering, realize continuous measurement and the online demonstration of ore pulp, claim the drain pipe of sample bucket 6 overflow vents 9 to be provided with electromagnetic flowmeter 12, for detection of the fluid flow of overflow vent 9 outflows.
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, intercept a spot of test flow of slurry;
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 sample bucket 6 that is marked with quantitative clear water in advance, along with the injection of test with flow of slurry, claim the liquid in the sample bucket 6 to overflow from spillway 9 synchronously, and injection rate IR equals spill-out, test simultaneously is settled down to the bottom that claims sample bucket 6 and title sample bucket 6 weight is increased with the dried ore deposit in the flow of slurry, inject after 8 hours test flow of slurry added value
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)
Do ore deposit accumulative total quality G in C, the test usefulness flow of slurry with step B
SPress following formula to time t differential, namely draw the test 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 by 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 (3)
1. ore pulp on-line measuring device, comprise band charging aperture (5) on it, two of discharge gate (8) and overflow vent (9) claim sample bucket (6), and be located at each and claim the electronic scales on the sample bucket (6) (3), it is characterized in that each claims sample bucket (6) to be suspended on the electronic scales (3) by web member, and two title sample bucket (6) charging apertures (5) are provided with ore pulp and are in charge of (4), respectively being in charge of (4) is communicated with ore pulp house steward (1) by transfer valve (2), wherein: described web member comprises the pressing plate (10) that places on the electronic scales (3), symmetry is connected the vertical cantilever (11) on the pressing plate (10), and vertical cantilever (11) lower end links to each other with claiming sample bucket (6).
2. ore pulp on-line measuring device as claimed in claim 1 is characterized in that the drain pipe of described title sample bucket (6) overflow vent (9) is provided with flowmeter (12).
3. a method of carrying out the detection of ore pulp multiparameter with the described ore pulp on-line measuring device of claim 1 is characterized in that comprising the following steps:
A, use the division machine from total flow of slurry routinely, by set and through the division of test than N intercepting shallow bid test flow of slurry;
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 sample bucket that is marked with quantitative clear water in advance, along with the injection of test with flow of slurry, claim the liquid in the sample bucket to overflow synchronously, and injection rate IR equals spill-out, test simultaneously is settled down to the bottom and title sample 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, G
SUnit be 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 namely claims sample bucket weight added value;
C, with the accumulative total quality G of step B
SPress following formula to time t differential, namely draw the test instantaneous delivery F that does the ore deposit in the flow of slurry
s, F
sUnit be kg/h:
F
s =dG
S/dt
（2）
D, when step B liquid overflows, by the flowmeter on the overflow vent drain pipe, detect fluid flow value F
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 fluid flow value of overflow vent drain pipe, unit is kg/h;
E, draw the mass concentration R of ore pulp by following formula:
R=F
s/ { F
s(
ρ s -1)
+F
W is total(4)
In the formula, F
s: by the test instantaneous delivery of doing the ore deposit in the flow of slurry that step C obtains, 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 is obtained by step D
W is total, unit is kg/h.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102445244A CN102445244A (en) | 2012-05-09 |
| CN102445244B true CN102445244B (en) | 2013-07-17 |
Family
ID=46007962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110316641 Active CN102445244B (en) | 2011-10-18 | 2011-10-18 | Ore slurry online detection device and multi-parameter detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102445244B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162754B (en) * | 2013-03-22 | 2016-06-08 | 魏强 | Liquid quality flow measuring apparatus |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| 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 |
-
2011
- 2011-10-18 CN CN 201110316641 patent/CN102445244B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102445244A (en) | 2012-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102445244B (en) | Ore slurry online detection device and multi-parameter detection method | |
| CN104175401B (en) | A kind of concrete mixing plant match ratio dynamic debugging system | |
| CN104535621B (en) | Method and system for detecting water content in sandstone | |
| CN103472204B (en) | Method for detecting ash content of floatation products | |
| CN110220819A (en) | A method of based on tuning fork densimeter measurement direct flotation feed thickness | |
| CN102213610B (en) | Automatic weighing method and device for various materials | |
| CN102182928A (en) | Intelligent measuring system and method for transport volume of ore pulp pipes | |
| CN204944978U (en) | Novel grouting automatic recorder proportion monitoring device | |
| CN204165794U (en) | A kind of sampling pulp reduction device | |
| CN106383040B (en) | A kind of desulfurization wet milk lime stone pulping system performance test methods | |
| CN205404343U (en) | Ore pulp granularity and ore pulp concentration by mass's on -line measuring device | |
| CN205941079U (en) | Invariable useless thick liquid concentration detection device of volume | |
| CN205157359U (en) | Evaluation soil stability erosion resistibility's device | |
| CN202229828U (en) | Pulp on-line detection device | |
| CN206270203U (en) | A kind of new calcined coke joltpacked volume weight measurement apparatus and system | |
| CN202330413U (en) | Device for detecting concentration of filling material | |
| CN213943537U (en) | Device for measuring and controlling liquid medicine dosage in mineral processing process | |
| CN105510169B (en) | A kind of continuous flow of slurry weight concentration measurement apparatus of small-sized Weighing type | |
| CN201331450Y (en) | Coal sampling machine group | |
| CN213021882U (en) | Grit material moisture content measuring device | |
| CN210945664U (en) | Blast furnace slag discharge on-line detection device | |
| CN205109555U (en) | Liquid charging stock automatic blending device | |
| CN104422642A (en) | Device for detecting concentration of filling material | |
| CN202351008U (en) | Special equipment for mine filling pipeline conveying test | |
| CN208238867U (en) | A kind of leaching real-time measurement and sampler at times |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |