CN101799390B - Ore pulp concentration meter based on gravimetric method - Google Patents
Ore pulp concentration meter based on gravimetric method Download PDFInfo
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- CN101799390B CN101799390B CN2010101497282A CN201010149728A CN101799390B CN 101799390 B CN101799390 B CN 101799390B CN 2010101497282 A CN2010101497282 A CN 2010101497282A CN 201010149728 A CN201010149728 A CN 201010149728A CN 101799390 B CN101799390 B CN 101799390B
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- ore pulp
- pulp concentration
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Abstract
The invention relates to an ore pulp concentration meter based on a gravimetric method, which comprises an actuating mechanism, a sensor and a measuring cylinder, wherein the measuring cylinder is arranged at the bottom of the sensor, the sensor is arranged at the output end of the actuating mechanism, and the actuating mechanism drives the sensor and the measuring cylinder to ascend or descend. The ore pulp concentration meter has simple structure, can simply and conveniently realize the ore pulp concentration measurement in the mineral processing process, and is particularly suitable for the ore pulp concentration measurement in an open container. Compared with the existing ore pulp concentration meter, the ore pulp concentration meter based on the gravimetric method can intermittently measure the ore pulp concentration, reduce the contact time with the ore pulp, break through the traditional design that a measuring device must be in the ore pulp for a long time, solve the problems of calcium deposition and blockage, stably and reliably obtain the ore pulp concentration information in the production process, and has important significance for guiding production.
Description
Technical field
The present invention relates to a kind of surveying instrument of detection material concentration, specifically, relate to a kind of ore pulp concentration meter based on gravimetric method.
Background technology
Pulp density is one of inspection and key factor of regulating in the mineral process.In the circulation of operations such as ore grinding, flotation, gravity treatment and dehydration, pulp density has special meaning.The fineness of ore grinding and load mainly change pulp density and regulate; Keeping the pulp density of regulation, guarantee reasonably grinding particle size and throughput rate, is crucial.
Ore-dressing technique has concentration kettle method, oven dry weight method, differential pressure method, gamma-rays absorption process to the classic method of the concentration detection employing of ore pulp both at home and abroad.Preceding two kinds of methods detect only for hand sampling, and human factor is many, and it is big to detect error; Two kinds of backs are higher to the ore pulp conditional request that detects, and bubble in the ore pulp or impurity all will cause bigger influence to testing result.
Therefore, development is stable, reliable online ore pulp concentration meter is necessary, and to realizing the automatic control of each operation pulp density, improving production target has important meaning.
Summary of the invention
The purpose of this invention is to provide a kind of ore pulp concentration meter based on gravimetric method.
The ore pulp concentration meter of measuring based on gravimetric method according to the invention; Comprise topworks, sensor and measurement tube; A described bottom that is installed in sensor of measuring, sensor is installed in the output terminal of topworks, and topworks's driving sensor rises or decline with the measurement tube.
Wherein, described measurement tube comprises charge cask, cone valve plug, piston rod and cylinder; The center line of charge cask, cone valve plug, piston rod, cylinder is positioned on the same vertical curve; The hole is opened in said charge cask bottom, and the cone valve plug links to each other with the cylinder output terminal through piston rod, under the effect of cylinder; Cone valve is motion down beyond the Great Wall, to seal or to open the through hole of charge cask bottom.
Described ore pulp concentration meter can also comprise lifting arm, and an end of said lifting arm is connected the output terminal of topworks, and tube is measured in other end connection, as is installed in the top of measuring tube, is used for the motion of topworks is delivered to the measurement tube.
In addition, ore pulp concentration meter of the present invention can also comprise wash tub pipe; Said wash tub pipe is arranged at the top of measuring tube, is used to wash the inner and outer wall of measuring tube.
Said topworks can adopt this area equipment commonly used, and this equipment can provide the rectilinear motion of specifying stroke, like cylinder, electric pushrod etc.;
Said sensor can be selected this area pressure transducer commonly used for use, like the drawing and pressing type LOAD CELLS;
Said tube this area capable of using technology commonly used of measuring is assembled, and as adopting installing plate, support, support bar etc. are positioned on the same vertical curve its center line and get final product with charge cask, cone valve plug, piston rod, cylinder four component-assembled together.
In addition; Described ore pulp concentration meter can also comprise signal converter; Said signal converter is used for the signal of conversion sensor, is the electric signal (like the signal of 4-20mA, 1-5V) accepted of instrument or other signals of standard communication modes with the conversion of signals of sensor.
The ore pulp concentration meter of measuring based on gravimetric method according to the invention is realized the measurement of concetration of ore pulp through following steps:
1) to record the tare weight of measuring tube be P to sensor
1(unit: gram)
2) measure the water that injects cleaning in the tube, measure weight P
2
3) piston rod of cylinder is released, and the cone valve plug is opened, and measures tube and discharges water;
4) under topworks's positive interaction, measure tube and sink to measured medium fully, the piston rod withdrawal of cylinder, the cone valve plug is closed;
5) under topworks's retroaction, measure tube and rise, break away from the measured medium liquid level;
6) after the ore pulp in the tube etc. to be measured is stable, write down current general assembly (TW) P
3
7) the cone valve plug is opened once more, emits ore pulp, and wash-down water is opened, and begins flushing and measures tube (3) inwall;
8) the cone valve plug is closed, and wash-down water begins flushing and measures drum outer wall;
9) wash tub pipe is closed, and discharges water, and accomplishes one-shot measurement.
It is following that pulp density calculates process:
The density of ore pulp:
The concentration of ore pulp:
In the formula, the density of δ-ore, unit: gram per centimeter
3Or ton/rice
3
Ore pulp concentration meter of the present invention is simple in structure, can realize simply and easily that the pulp density in the mineral processing craft process is measured, and the pulp density that is particularly useful in the open containers is measured, also can be through increasing pulp density in the utility appliance measuring channel.Compare with existing ore pulp concentration meter; Ore pulp concentration meter based on gravimetric method of the present invention can carry out intermittence to pulp density to be measured, and need not continuous coverage, reduces the duration of contact with ore pulp; Break through measurement mechanism and must be in the traditional design in the ore pulp for a long time; Solution finishes calcium and blocking problem, can stablize, obtain reliably ore pulp concentration information in the production run, to instructing production significant.
Description of drawings
Fig. 1 is the structural representation of the ore pulp concentration meter of specific embodiment 1 of the present invention;
Fig. 2 is the view of analysing and observe at the A-A place of Fig. 1;
Among the figure: 1, topworks; 2, lifting arm; 3, measure tube; 4, sensor; 5, signal converter; 6, water valve; 7, wash tub pipe; 8, jacket; 9, cylinder; 10, installing plate; 11, support bar; 12, charge cask; 13, piston rod; 14, cone valve plug.
Embodiment
Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
As depicted in figs. 1 and 2, be illustrated as the preferred embodiment of ore pulp concentration meter of the present invention.
Hang on sensor (4) bottom after measuring tube (3) and lifting arm (2) one ends linking to each other; Sensor (4) is installed in the output terminal of topworks (1); The other end of lifting arm (2) connects through a connecting rod topworks (1) output terminal, and for saving the space, topworks (1) is oppositely arranged with lifting arm (2); Topworks (1) is an electric pushrod, vertical movement about it, and through lifting arm (2) driving sensor (4) and measurement tube (3) rising or decline.
Wash tub pipe (7) is installed in the top of measuring tube (3), and water valve (6) is set on the wash tub pipe (7).
Measure tube (3) and comprise charge cask (12), cone valve plug (14), piston rod (13), cylinder (9).Charge cask (12) bottom has a through hole, and cone valve plug (14) is installed in piston rod (13) end of cylinder (9), and the center line of cone valve plug (14), piston rod (13), cylinder (9) and charge cask (12) is on same vertical curve.Cylinder (9) is installed on the installing plate (10), and installing plate (10) is fixed on the support bar (11), and charge cask (12) is fixing by two support bars (11).
Signal converter (5) is arranged on the ore pulp concentration meter through a support, is used for the pressure signal that sensor (4) records is converted into the electric signal of 4-20mA, 1-5V.
Described ore pulp concentration meter also comprises jacket (8), and said jacket (8) places topworks (1) (comprising lifting arm (2)) and sensor (4) on every side, protects above-mentioned parts to avoid ore pulp and pollutes.
This device is realized the measurement of concetration of ore pulp through following steps:
1) to record the tare weight of measuring tube (3) be P1 to sensor (4); (unit: gram)
2) open water valve (6), wash tub pipe (7) injects clean water in measuring tube (3), measure weight P2;
3) cylinder (9) piston rod (13) is released, and cone valve plug (14) is opened, and measures tube (3) and discharges water;
4) under topworks (1) positive interaction, measure tube (3) and sink to measured medium fully, the withdrawal of cylinder (9) piston rod, cone valve plug (14) is closed;
5) under topworks (1) retroaction, measure tube (3) and rise, break away from the measured medium liquid level;
6) after the ore pulp in the tube etc. to be measured (3) is stable, write down current general assembly (TW) P3;
7) cone valve plug (14) is opened once more, emits ore pulp, and wash-down water is opened, and begins flushing and measures tube (3) inwall;
8) cone valve plug (14) is closed, and wash-down water begins flushing and measures tube (3) outer wall;
9) close water valve (6), wash tub pipe (7) discharges water, and accomplishes one-shot measurement.
It is following that pulp density calculates process:
The density of ore pulp:
The concentration of ore pulp:
In the formula, the density of δ-ore, unit: gram per centimeter
3Or ton/rice
3
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (3)
1. ore pulp concentration meter based on gravimetric method; Comprise topworks (1), lifting arm (2), sensor (4) and measure tube (3); Described measurement tube (3) is installed in the bottom of sensor (4) through lifting arm (2); Sensor (4) is installed in the output terminal of topworks (1), and topworks (1) driving sensor (4) and measurement tube (3) rise or descend; Described ore pulp concentration meter also comprises wash tub pipe (7); Said wash tub pipe (7) is arranged at the top of measuring tube (3), is used for the inner and outer wall that tube (3) is measured in flushing; Described measurement tube (3) comprises charge cask (12), cone valve plug (14), piston rod (13) and cylinder (9); The center line of charge cask (12), cone valve plug (14), piston rod (13), cylinder (9) four is positioned on the same vertical curve; The hole is opened in said charge cask (12) bottom; Cone valve plug (14) links to each other with cylinder (9) output terminal through piston rod (13); Under the effect of cylinder (9), cone valve plug (14) moves up and down, to seal or to open the through hole of charge cask (12) bottom.
2. ore pulp concentration meter as claimed in claim 1 is characterized in that described ore pulp concentration meter also comprises signal converter (5), and the conversion of signals that is used for sensor (4) is an electric signal.
3. according to claim 1 or claim 2 the application of ore pulp concentration meter is characterized in that, is used to measure the pulp density in the open containers, or pulp density in the measuring channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101497282A CN101799390B (en) | 2010-04-19 | 2010-04-19 | Ore pulp concentration meter based on gravimetric method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101497282A CN101799390B (en) | 2010-04-19 | 2010-04-19 | Ore pulp concentration meter based on gravimetric method |
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| Publication Number | Publication Date |
|---|---|
| CN101799390A CN101799390A (en) | 2010-08-11 |
| CN101799390B true CN101799390B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101497282A Expired - Fee Related CN101799390B (en) | 2010-04-19 | 2010-04-19 | Ore pulp concentration meter based on gravimetric method |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968421A (en) * | 2010-09-21 | 2011-02-09 | 中冶京诚工程技术有限公司 | Method and device for monitoring pulp consistency in entire pipeline |
| CN105424951A (en) * | 2015-11-05 | 2016-03-23 | 鞍钢集团矿业公司 | Automatic ore pulp sampling device |
| CN107589032A (en) * | 2017-09-30 | 2018-01-16 | 浙江钛合仪器有限公司 | A kind of ore pulp concentration meter based on gravimetric method |
| CN109813630A (en) * | 2017-11-21 | 2019-05-28 | 中蓝连海设计研究院 | A kind of sampling type gradiomanometer and its density measuring method |
| CN109001073A (en) * | 2018-06-01 | 2018-12-14 | 东北大学 | A kind of Novel pulp densimeter based on ELM network and a kind of measurement method |
| CN109596181B (en) * | 2019-02-14 | 2023-09-01 | 昆明旭宁吉科技有限公司 | Online continuous weighing type ore pulp multi-parameter measurement and control device and method |
| CN113640176B (en) * | 2021-07-30 | 2024-02-20 | 深圳市中金岭南有色金属股份有限公司凡口铅锌矿 | Lime milk specific gravity measuring method, device, system and computer readable storage medium |
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| AU1270197A (en) * | 1995-12-27 | 1997-07-28 | A Ahlstrom Oy | Method and apparatus for determining physical variables of slurry or liquid |
| CN2521610Y (en) * | 2002-01-30 | 2002-11-20 | 周兵胜 | On-line ore pulp concentration meter |
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