CN102410865B - Continuously accumulative measuring device and method for mass of solid elements in solid-liquid incompatible fluid - Google Patents
Continuously accumulative measuring device and method for mass of solid elements in solid-liquid incompatible fluid Download PDFInfo
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- CN102410865B CN102410865B CN201110395438.0A CN201110395438A CN102410865B CN 102410865 B CN102410865 B CN 102410865B CN 201110395438 A CN201110395438 A CN 201110395438A CN 102410865 B CN102410865 B CN 102410865B
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- 239000012530 fluid Substances 0.000 title claims abstract description 72
- 239000007788 liquid Substances 0.000 title claims abstract description 37
- 239000007787 solid Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 7
- 239000011707 mineral Substances 0.000 claims abstract description 7
- 239000000470 constituent Substances 0.000 claims description 31
- 230000001186 cumulative effect Effects 0.000 claims description 20
- 238000009825 accumulation Methods 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 239000008247 solid mixture Substances 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 239000006260 foam Substances 0.000 abstract description 4
- 238000005272 metallurgy Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000007667 floating Methods 0.000 abstract 4
- 238000009434 installation Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The invention belongs to the technical field of pulp detection of metallurgy and mineral dressing industry, and mainly relates to a continuously accumulative measuring device and method for mass of solid elements in a solid-liquid incompatible fluid. The measuring device disclosed by the invention is mainly composed of a weighing sensor (1), an ultrasonic liquid level meter (2), an ultrasonic reflector plate (3), a suspended steel wire rope (4), a floating ball (5), a floating rod (6), a feeding pipe (7), a conical container (8) and an evacuation valve (9). The ultrasonic liquid level meter (2), the ultrasonic reflector plate (3), the floating ball (5) and the floating rod (6) form a liquid level measuring system; the weighing sensor (1) is a weighing device for weighing the initial weight of the conical container (8) and the total weight of the conical container (8) and the fluid in the container. Based on the simply measured liquid level value and weighed value, the mass of the solid elements can be calculated conveniently by virtue of a field control system, such as a DCS (Data Control System), a PLC (Programmable Logic Controller), a singlechip and the like, according to a calculation formula of the mineral dressing. By the adoption of the device and the method provided by the invention, the installation requirements on the measuring device and the requirements on the full state of the pulp in a pipe in the existing measuring technology can be overcome and solved, and interference with the measurement caused by foam and other factors can be eliminated, so that the device and the method are economical and practical, and the data obtained through the device and the method are reliable.
Description
Technical field
The invention belongs to metallurgy, Mineral Processing Industry ore pulp detection technique field, relate generally to the continuous cumulative measurement device and method of solid constituent quality in the incompatible fluid of solid-liquid.
Background technology
As everyone knows; in metallurgy, Mineral Processing Industry, often can relate to the cumulative measurement to solid constituent quality in the incompatible fluid ore pulp of solid-liquid; traditional measuring method is on same process pipe, to utilize flow detection device and concentration detection device to be used in conjunction with, and uses conventionally calculation mode to carry out cumulative computing formula as follows:
In formula, M
gu---be the accumulating weight of solid in fluid
V---be fluid flow
D---pipe diameter
ρ
mixed---the density of fluid
C
gu---the mass concentration of fluid
This method is harsher to the requirement of pipeline inner fluid, when measurement, measuring equipment must be placed on the fixed position of regulation, and require ore pulp in pipeline to keep full state, otherwise owing to being subject to the impact of the uncertain factors such as fluid inner foam, flow and concentration all can not guarantee its accuracy, and the mass accumulation error of solid is difficult to determine.
Another kind of measuring method, utilizes mass flowmeter to measure, and still, this flowmeter caliber is larger, price is higher, and precision uneven, be unfavorable for controlling cost.
Summary of the invention
For the existing deficiency of the continuous cumulative measurement technology of solid constituent quality in the incompatible fluid of existing solid-liquid, the present invention is subject to mineral dressing classical formulas---pulp density, the inspiration of density conversion formula, propose and disclose a kind of measurement mechanism and method that realizes solid constituent quality in cumulative measurement fluid, must limit and be arranged on pipeline on assigned position and ore pulp must be the requirement of full state in pipeline to solve and to overcome while measuring in prior art measuring equipment, the interference of factor to level gauging such as foam in eliminate fluid, find out solid constituent mass accumulation error accurately, provide level value accurately for measuring.
The present invention realizes the technical scheme that above-mentioned purpose takes: in the incompatible fluid of a kind of solid-liquid, the continuous cumulative measurement device of solid constituent quality is mainly made up of LOAD CELLS, ultrasonic level gage, ultrasonic reflections plate, hanging steel rope, ball float, fly rod, feed pipe, conical vessel, exhaust-valve; Ultrasonic level gage, ultrasonic reflections plate, ball float, fly rod composition liquid level measuring system; LOAD CELLS is the weighing apparatus that reaches the weight of certain liquid level after measurement conical vessel initial weight and fluid inflow conical vessel.
In the described incompatible fluid of a kind of solid-liquid, solid constituent mass accumulation measuring method is, exhaust-valve on normal accumulation state inferior pyramidal container is convenient to accumulate fluid in closed condition, fluid flows into conical vessel by the feed pipe in left side, conical vessel upper end, when fluid accumulation is to after a certain amount of, fluid holds up the ball float in conical vessel, drive ultrasonic reflections plate to rise acoustic reflection to the ultrasonic level gage that is arranged on ultrasonic reflections plate top by fly rod, ultrasonic liquid meter just can be measured level value; Be suspended on the hanging steel rope tension force increase that is used for hanging conical vessel on LOAD CELLS lower draw-bar, LOAD CELLS is measured fluid weight simultaneously; Use on-the-spot controlled DCS, PLC, Single Chip Microcomputer (SCM) system just can measure solid constituent quality according to mineral dressing computing formula, when liquid level reaches the controlled quentity controlled variable that setting value S(exhaust-valve is opened, do not participate in computing) time, exhaust-valve is opened fluid expulsion, completes once accumulation.
The continuous cumulative measurement device of solid constituent quality in the described incompatible fluid of a kind of solid-liquid, wherein conical vessel is suspended on hanging steel rope, conical vessel is used for accumulating a certain amount of fluid, exhaust-valve is equipped with in the bottom of conical vessel, exhaust-valve in off position lower and conical vessel is integrally formed, splendid attire fluid, fluid when unlatching in emptying conical vessel.
The continuous cumulative measurement device of solid constituent quality in the described incompatible fluid of a kind of solid-liquid, wherein ultrasonic level gage is fixed on the outside fulcrum in conical vessel upper end, ultrasonic level gage is perpendicular to the central point of conical vessel bottom, setting height(from bottom) is between the suspension fulcrum of conical vessel upper end and hanging steel rope, and the level value that supersonic liquid level measures is the foundation of fluid volume, density computing.
The continuous cumulative measurement device of solid constituent quality in the described incompatible fluid of a kind of solid-liquid, wherein ultrasonic reflections plate is arranged on fly rod upper end, and by the transmission of ball float, fly rod, sound wave is passed to ultrasonic level gage by ultrasonic reflections plate.
The continuous cumulative measurement device of solid constituent quality in the described incompatible fluid of a kind of solid-liquid, wherein ball float is fixed on fly rod lower end, is located by the cantilever lever of the tape guide ring welding on conical vessel.Ball float can be got rid of the interference of factor to level gauging such as foam in fluid.
The continuous cumulative measurement device of solid constituent quality in the described incompatible fluid of a kind of solid-liquid, wherein LOAD CELLS, on the top of ultrasonic level gage, is fixed on extraneous fulcrum.
The continuous cumulative measurement device of solid constituent quality in the described incompatible fluid of a kind of solid-liquid, wherein one end of hanging steel rope is suspended on the hook being connected with LOAD CELLS, on another auspicious four angles that are separately fixed at conical vessel.
The continuous cumulative measurement device and method of solid constituent quality in the incompatible fluid of a kind of solid-liquid disclosed by the invention, for the industries such as metallurgy, ore dressing provide a kind of cheapness, the reliably measurements and calculations of solid constituent quality in the incompatible fluid of solid-liquid, simple to operate, utilization facilitates, data are accurate, computing function can complete by field control systems such as existing DCS, PLC, single-chip microcomputers, access is simple, compatible strong.
Accompanying drawing explanation
Fig. 1 is measurement mechanism structural representation of the present invention.
In figure: 1, LOAD CELLS; 2, ultrasonic level gage; 3, ultrasonic reflections plate; 4, hanging steel rope; 5, ball float; 6, fly rod; 7, feed pipe; 8, conical vessel; 9, exhaust-valve.
specific implementation
By reference to the accompanying drawings, provide the specific embodiment of the present invention as follows:
As shown in the figure: the continuous cumulative measurement device and method of solid constituent quality in the incompatible fluid of a kind of solid-liquid, its measurement mechanism is to be mainly made up of LOAD CELLS 1, ultrasonic level gage 2, ultrasonic reflections plate 3, hanging steel rope 4, ball float 5, fly rod 6, feed pipe 7, conical vessel 8, exhaust-valve 9.Ultrasonic level gage 2, ultrasonic reflections plate 3, ball float 5, fly rod 6 form liquid level measuring system in measurement mechanism, and LOAD CELLS 1 is to measure conical vessel 8 initial weights and fluid to enter the weighing apparatus of weight while reaching certain liquid level after conical vessel 8; Conical vessel 8 is suspended on hanging steel rope 4, and bottom is provided with exhaust-valve 9; Ultrasonic level gage 2 is fixed on the outside fulcrum in conical vessel 8 upper ends, perpendicular to the center position of conical vessel 8 bottom surfaces, measure needed range for preventing sputter of fluid probe and meeting, the setting height(from bottom) of ultrasonic level gage 2 is between the suspension fulcrum between conical vessel 8 upper ends and hanging steel rope 4.Ultrasonic reflections plate 3 is arranged on fly rod 6 upper ends, and ball float 5 is fixed on the lower end of fly rod 6, is located by the cantilever lever of the tape guide ring welding on conical vessel.LOAD CELLS 1 is fixed on extraneous fulcrum on the top of ultrasonic level gage 2; Hanging steel rope 4 one end are suspended on the hook being connected with LOAD CELLS 1, and the other end is separately fixed on four angles of conical vessel 8.
Exhaust-valve 9 on normal accumulative total state inferior pyramidal container 8 is in closed condition, be convenient to accumulate fluid, fluid flows into conical vessel 8 by left side feed pipe 7, run up to a certain amount of after, fluid holds up ball float 5, drive ultrasonic reflections plate 3 to rise by fly rod 6 sound wave is passed to ultrasonic level gage 2, ultrasonic level gage 2 is just measured level value, simultaneously, hanging steel rope 4 tension force increase, weighing sensor 1 detects fluid overall weight, to measured level value and heavy Value Data, on-the-spot by DCS system, PLC system, single-chip computer control system carries out comprehensive computing, when reaching setting value S(S, liquid level do not participate in computing, only as the controlled quentity controlled variable of valve event) time, exhaust-valve 9 is opened, fluid expulsion, complete once accumulation.
Concrete operation formula:
Wherein: formula (1)---the computing formula of solid constituent weight in fluid
M
gu---the weight of solid constituent in fluid
M
stream---the weight of fluid
C
gu---the mass concentration of solid constituent in fluid
Formula (2)---the computing formula of fluid weight
G
initially---conical vessel initial weight
G
l---the weight of conical vessel when liquid level adds up to L
Formula (3)---the computing formula of solid constituent mass concentration
ρ
gu---solid constituent density (known)
ρ
survey---the fluid density recording
Formula (4)---the computing formula of fluid hybrid density
V
container---conical vessel cumulative volume (known)
H---container height (known)
L---ultrasonic level gage records
S---set liquid level
Claims (3)
1. the continuous cumulative measurement device of solid constituent quality in the incompatible fluid of solid-liquid, is characterized in that: measurement mechanism is to be mainly made up of LOAD CELLS (1), ultrasonic level gage (2), ultrasonic reflections plate (3), hanging steel rope (4), ball float (5), fly rod (6), feed pipe (7), conical vessel (8), exhaust-valve (9); Ultrasonic level gage (2), ultrasonic reflections plate (3), ball float (5), fly rod (6) composition liquid level measuring system; LOAD CELLS (1) is the weighing apparatus of weight when measuring conical vessel (8) initial weight and fluid and flowing into conical vessel (8) and reach certain liquid level; It is upper that conical vessel (8) is suspended on hanging steel rope (4), and bottom is provided with exhaust-valve (9); Ultrasonic level gage (2) is fixed on the outside fulcrum in conical vessel (8) upper end, perpendicular to the center position of conical vessel (8) bottom surface, the setting height(from bottom) of ultrasonic level gage (2) is between the suspension fulcrum between conical vessel (8) upper end and hanging steel rope (4); Ultrasonic reflections plate (3) is arranged on fly rod (6) upper end, and ball float (5) is fixed on the lower end of fly rod (6), and LOAD CELLS (1) is fixed on extraneous fulcrum on the top of ultrasonic level gage (2); Hanging steel rope (4) one end is suspended on the hook being connected with LOAD CELLS (1), and the other end is separately fixed on four angles of conical vessel (8), and feed pipe (7) is arranged on left side, conical vessel (8) upper end.
2. the continuous cumulative measurement device of solid constituent quality in the incompatible fluid of a kind of solid-liquid according to claim 1, it is characterized in that: exhaust-valve (9) in off position lower and conical vessel (8) is integrally formed, splendid attire fluid, fluid when unlatching in emptying conical vessel (8).
3. one kind is used the method that in the incompatible fluid of solid-liquid claimed in claim 1, the continuous cumulative measurement device of solid constituent quality is measured, it is characterized in that: the exhaust-valve (9) in normal accumulation situation on measurement mechanism, in closed condition, is convenient to accumulate fluid, fluid flows into conical vessel (8) by conical vessel (8) upper end left side feed pipe (7), when holding up the ball float in measurement mechanism (5) and pass through fly rod (6) to fluid after a certain amount of, fluid accumulation drive ultrasonic reflections plate (3) to rise, acoustic reflection is given to the ultrasonic level gage (2) that is arranged on ultrasonic reflections plate (3) top, ultrasonic level gage (2) just can be measured level value, be suspended on hanging steel rope (4) the tension force increase that is used for hanging conical vessel (8) on LOAD CELLS (1) lower draw-bar simultaneously, LOAD CELLS (1) is measured fluid weight, according to mineral dressing computing formula:
Wherein: formula (1)---the computing formula of solid constituent weight in fluid
M
gu---the weight of solid constituent in fluid
M
stream---the weight of fluid
C
gu---the mass concentration of solid constituent in fluid
The weight computing formula of formula (2)---fluid
G
initially---conical vessel initial weight
G
l---the weight of conical vessel when liquid level adds up to L
Formula (3)---the computing formula of solid constituent mass concentration
ρ
gu---solid constituent density (known)
ρ
survey---the fluid density recording
Formula (4)---the computing formula of fluid hybrid density
V
container---conical vessel cumulative volume (known)
H---container height (known)
L---ultrasonic level gage records
Use on-the-spot controlled DCS, PLC or Single Chip Microcomputer (SCM) system, the level value of measuring and fluid weight are carried out to comprehensive computing, just can calculate solid composition quality; In the time that level value reaches the controlled quentity controlled variable of exhaust-valve (9) unlatching of setting, exhaust-valve (9) is opened, and fluid flows out, and completes once accumulation.
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|---|---|---|---|
| CN201110395438.0A CN102410865B (en) | 2011-12-03 | 2011-12-03 | Continuously accumulative measuring device and method for mass of solid elements in solid-liquid incompatible fluid |
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| CN201110395438.0A CN102410865B (en) | 2011-12-03 | 2011-12-03 | Continuously accumulative measuring device and method for mass of solid elements in solid-liquid incompatible fluid |
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| CN102410865A CN102410865A (en) | 2012-04-11 |
| CN102410865B true CN102410865B (en) | 2014-05-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103234609A (en) * | 2013-04-25 | 2013-08-07 | 山东建设机械股份有限公司 | Small-dose liquid volume metering balance |
| CN103674164B (en) * | 2013-12-26 | 2017-05-17 | 武汉理工大学 | Weighing type detection object, device and method for detecting liquid level position |
| CN104503496B (en) * | 2014-12-12 | 2017-04-05 | 平顶山华兴浮选工程技术服务有限公司 | A kind of pulp density self-adjusting system and control method |
| CN114904643A (en) * | 2022-06-10 | 2022-08-16 | 中国矿业大学 | Intelligent counterweight system of jigger |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3416528A1 (en) * | 1984-05-04 | 1985-11-07 | Werner Götz Elektroanlagen, 8900 Augsburg | Apparatus for measuring the weight of articles and solid or liquid materials |
| CN101843993A (en) * | 2010-06-12 | 2010-09-29 | 昆明冶研新材料股份有限公司 | On-line weighing and sensing method for regulating and controlling bottom flow of solid-liquid separation box hopper device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001033302A (en) * | 1999-07-23 | 2001-02-09 | Ohbayashi Corp | Method for measuring granular solid and liquid simultaneously |
| JP5020719B2 (en) * | 2007-06-29 | 2012-09-05 | 株式会社前川製作所 | Slush nitrogen concentration measurement method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3416528A1 (en) * | 1984-05-04 | 1985-11-07 | Werner Götz Elektroanlagen, 8900 Augsburg | Apparatus for measuring the weight of articles and solid or liquid materials |
| CN101843993A (en) * | 2010-06-12 | 2010-09-29 | 昆明冶研新材料股份有限公司 | On-line weighing and sensing method for regulating and controlling bottom flow of solid-liquid separation box hopper device |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2001-33302A 2001.02.09 |
| JP特开2009-8628A 2009.01.15 |
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Denomination of invention: Device and method for continuous accumulation measurement of solid component mass in solid-liquid incompatible fluids Effective date of registration: 20231211 Granted publication date: 20140514 Pledgee: Bank of China Luanchuan Branch Pledgor: LUANCHUAN LONGYU MOLYBDENUM INDUSTRY Co.,Ltd. Registration number: Y2023980070612 |