CN201373836Y - Device for integrally detecting viscosity and density of dense-medium suspension liquid - Google Patents
Device for integrally detecting viscosity and density of dense-medium suspension liquid Download PDFInfo
- Publication number
- CN201373836Y CN201373836Y CN200920101767U CN200920101767U CN201373836Y CN 201373836 Y CN201373836 Y CN 201373836Y CN 200920101767 U CN200920101767 U CN 200920101767U CN 200920101767 U CN200920101767 U CN 200920101767U CN 201373836 Y CN201373836 Y CN 201373836Y
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- suspension liquid
- switch valve
- automatic switch
- detection
- density
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Abstract
A device for integrally detecting the viscosity and the density of dense-medium suspension liquid belongs to the technical field of detection and is used for directly measuring viscosity of suspension liquid, eliminating the radiation hazard of density measurement and reducing the abrasion of the measured suspension liquid medium on a sensor and the influence of the flowing speed of the measured suspension on the measurement. The technical proposal is characterized in that the device consists of a detection pipe, a differential pressure film, a secondary instrument, an upper automatic switch valve and a lower automatic switch valve, wherein the middle part of the detection pipe is a cylindrical detection section; the upper end and the lower end of the detection pipe are an upper conical pipe and a lower conical pipe respectively; the differential pressure film and the secondary instrument are arranged on the side wall of the detection section; and the upper automatic switch valve and the lower automatic switch valve are arranged at a joint of the conical pipe and a suspension liquid conveying pipe. In the utility model, the physical property of the suspension liquid is utilized and a precise differential pressure-type sensing technology is adopted so as to carry out online automatic detection on the viscosity and density of the dense-medium suspension liquid; and the detection device has the advantages of high measurement precision, strong stability, convenient usage and maintenance and no hidden safety problem.
Description
Technical field
The utility model relates to a kind of the detecting device integrated of dense medium suspension liquid viscosity, density that detect, and belongs to the detection technique field.
Background technology
Dense medium suspension liquid is a kind of mixing material that is combined by coal slime, iron powder and water, as the separating medium of dense media preparation process.The viscosity of dense medium suspension liquid and density index directly influence the product quality of dense media preparation, are dense media preparation technology important technical parameter.
For the dense medium suspension liquid viscosity measurements, generally adopt indirect metering system both at home and abroad, promptly at first detect the content of magnetic iron powder in the suspending liquid according to electromagnetic induction principle, utilize isotopic density gage to detect the density of suspending liquid simultaneously, converse the content of coal slime in the suspending liquid by middle experimental formula, depend on what of coal slurry content wherein to a great extent according to the viscosity of dense medium suspension liquid again, characterize the viscosity of dense medium suspension liquid by the content of coal slime.Because coal slime in many-sided differences such as granularity, surface configuration and water-wet behaviors, characterizes dense medium suspension liquid viscosity by coal slurry content, itself just has deviation; The median error brought of experimental formula in addition is difficult to guarantee the accuracy of measuring
For the dense medium suspension liquid viscosity measurements, the common method that detects density of suspending liquid at present is to use radioactive isotope (Cs137) irradiating and detecting method, although this sensor can satisfy technological requirement substantially, but because its calibrated error is bigger, also be difficult in the use administer and maintain, have potential safety hazard.Simultaneously, along with the enhancing of China environmental protection consciousness, examine and manage more and more stricter to what relate to that the radioactivity instrument uses, a lot of enterprises cause engineering extension because of obtaining the environmental protection examination and approval procedures.
Summary of the invention
Technical problem to be solved in the utility model provides and a kind ofly can directly measure suspension viscosity, to density measure do not have radiologic hazard and reduce tested suspension medium to the wearing and tearing of sensor, eliminate tested suspending liquid flow velocity to measuring dense medium suspension liquid viscosity, the density integral pick-up unit of influence.
The technical scheme that solves the problems of the technologies described above is:
A kind of dense medium suspension liquid viscosity, the density integral pick-up unit, it is by detector tube, the differential pressure diaphragm, secondary instrument, last automatic switch valve and following automatic switch valve are formed, the middle part of detector tube is columnar detection segment, the two ends up and down of detector tube are upper conical pipe and inferior pyramidal pipe, the larger diameter end of tapered tube is connected with detection segment, differential pressure diaphragm and secondary instrument are installed on the sidewall of the detection segment in the middle part of the detector tube, the detector tube tapered tube at two ends up and down is connected with the suspending liquid conveyance conduit, and last automatic switch valve and following automatic switch valve are installed in the interface of tapered tube and delivery pipe.
Above-mentioned dense medium suspension liquid viscosity, density integral pick-up unit, the inwall of described differential pressure diaphragm and detector tube middle part detection segment is smooth connection.
The utility model utilizes the physical property of suspending liquid self, adopt accurate differential pressure sensing, dense medium suspension liquid viscosity, density are carried out online automatic detection, pick-up unit has that measuring accuracy height, stability are strong, data processing and signal transmission precise control, working service is convenient, the advantage of no potential safety hazard.The utility model has solved the difficult problem that suspension viscosity can't directly be measured, and has overcome the radiologic hazard of existing density measure, has reduced the wearing and tearing of tested suspension medium to sensor, has eliminated the influence of tested suspending liquid flow velocity to measuring.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present utility model.
Mark is as follows among the figure: go up automatic switch valve 1, upper conical pipe 2, detector tube 3, differential pressure diaphragm 4, secondary instrument 5, inferior pyramidal pipe 6, following automatic switch valve 7
Embodiment
Referring to Fig. 1, the utility model is made up of last automatic switch valve 1, upper conical pipe 2, detector tube 3, differential pressure diaphragm 4, secondary instrument 5, inferior pyramidal pipe 6, following automatic switch valve 7.The middle part of detector tube 3 is columnar detection segment, and the two ends up and down of detector tube 3 are upper conical pipe 2 and inferior pyramidal pipe 6, and the larger diameter end of tapered tube is connected with detection segment.Differential pressure diaphragm 4 and secondary instrument are installed on the sidewall of detection segment at detector tube 3 middle parts, and differential pressure diaphragm 4 is connected smoothly with the inwall of detector tube 3 middle part detection segment.The tapered tube at detector tube two ends about in the of 3 is connected with the suspending liquid conveyance conduit, and last automatic switch valve 1 and following automatic switch valve 7 are installed in the interface of tapered tube and delivery pipe.
The course of work of the present utility model is as follows:
Dense medium suspension liquid flows out from last automatic switch valve 1 from bottom to top from automatic switch valve 7 inflows down.The effect of upper conical pipe 2 and inferior pyramidal pipe 6 is the flow velocitys that reduce dense medium suspension liquid in the detector tube 3, and then reduces the wearing and tearing of differential pressure diaphragm 4.Differential pressure diaphragm 4 is used to measure the pressure reduction of detector tube 3 inner suspension liquid, and differential pressure diaphragm 4 is connected smoothly with the inwall of detector tube 3, eliminates the influence of suspending liquid flow velocity variation to differential pressure measurement, and it measures numerical value through the final detected value of secondary instrument 5 conducts.Measure density of suspending liquid when last automatic switch valve 1 and following automatic switch valve 7 are opened, measure suspension viscosity when closing.
Density measure: go up automatic switch valve 1 and following automatic switch valve and be shown in an open position, the differential pressure diaphragm 4 on the detector tube 3 is measured the pressure differential of suspending liquid in real time, the density value of this pressure difference value output suspending liquid after secondary instrument 5 computings, processing.
Viscosity measurement: go up automatic switch valve 1 and following automatic switch valve 7 2-3 in the closed position minutes, suspending liquid begins to take place sedimentation, differential pressure diaphragm 4 on the detector tube 3 is measured the pressure differential of suspending liquid in real time, this pressure difference value through secondary instrument 5 gather fast, computing, the viscosity number of the flexible measurement method output suspending liquid by recurrence type support vector machine.
Claims (2)
1. dense medium suspension liquid viscosity, the density integral pick-up unit, it is characterized in that: it is by detector tube [3], differential pressure diaphragm [4], secondary instrument [5], last automatic switch valve [1] and following automatic switch valve [7] are formed, the middle part of detector tube [3] is columnar detection segment, the two ends up and down of detector tube [3] are upper conical pipe [2] and inferior pyramidal pipe [6], the larger diameter end of tapered tube is connected with detection segment, differential pressure diaphragm [4] and secondary instrument [5] are installed on the sidewall of detector tube [3] middle part detection segment, detector tube [3] tapered tube at two ends up and down is connected with the suspending liquid conveyance conduit, and last automatic switch valve [1] and following automatic switch valve [7] are installed in the interface of tapered tube and delivery pipe.
2. dense medium suspension liquid viscosity according to claim 1, density integral pick-up unit is characterized in that: described differential pressure diaphragm [4] is smooth connection with the inwall of detector tube [3] middle part detection segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920101767U CN201373836Y (en) | 2009-03-05 | 2009-03-05 | Device for integrally detecting viscosity and density of dense-medium suspension liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920101767U CN201373836Y (en) | 2009-03-05 | 2009-03-05 | Device for integrally detecting viscosity and density of dense-medium suspension liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373836Y true CN201373836Y (en) | 2009-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920101767U Expired - Fee Related CN201373836Y (en) | 2009-03-05 | 2009-03-05 | Device for integrally detecting viscosity and density of dense-medium suspension liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201373836Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424549A (en) * | 2015-11-27 | 2016-03-23 | 河南华润电力首阳山有限公司 | Desulfurization equipment and density measurement device thereof |
-
2009
- 2009-03-05 CN CN200920101767U patent/CN201373836Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424549A (en) * | 2015-11-27 | 2016-03-23 | 河南华润电力首阳山有限公司 | Desulfurization equipment and density measurement device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20140305 |