CN106885763A - A kind of online particle image particle size analyzing device - Google Patents
A kind of online particle image particle size analyzing device Download PDFInfo
- Publication number
- CN106885763A CN106885763A CN201710094040.0A CN201710094040A CN106885763A CN 106885763 A CN106885763 A CN 106885763A CN 201710094040 A CN201710094040 A CN 201710094040A CN 106885763 A CN106885763 A CN 106885763A
- Authority
- CN
- China
- Prior art keywords
- compressed air
- speed camera
- sampling
- dispersed material
- sampling container
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
- G01N15/0227—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging using imaging, e.g. a projected image of suspension; using holography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
Abstract
A kind of online particle image particle size analyzing device disclosed by the invention, including sampling container, sampling compressed air hose, probe tube, dispersed material joint, air compressor, high speed video camera, powder retrieving pipe and host computer, granular material is fallen into sampling container, granule materials are inhaled into probe tube, and be delivered in dispersed material joint via probe tube, dispersed material joint is passed through the compressed air of air compressor generation, compressed air dispels the material in dispersed material joint, and the material of even thickness is fallen into high-speed camera region；High-speed camera carries out taking pictures at a high speed to the dispersed material fallen into high-speed camera region, the particle indexing of dispersed material is recorded, host computer is collected the image of high-speed camera shooting and captured image is analyzed by grading analysis software, obtains the distribution situation of sample granularity.The present invention is not influenceed by the concentration of taken material, and measurement data accuracy is high, can obtain the data such as morphological parameters.
Description
Technical field
The present invention relates to the technical field of analytical instruments in manufacture of cement quality control, more particularly to one kind is for analyzing dry
The online particle image particle size analyzing device of the size distribution of property particle.
Background technology
Size distribution refers to the percentage that is occupied of different-grain diameter particle in all particles for constitute cement.Size distribution
Measure is not only a kind of effective ways of control cement granules fineness, what is more important its by the excellent of the links such as grinding, classification
The foundation for providing and preparing is provided.The size distribution situation of cement will greatly influence the intensity of concrete, and the measurement of size distribution is right
The quality control of the concrete of final molding, and in process of production optimize how production technology, improve the matter of product
Amount, reduces energy consumption, reduces the aspects such as production cost and produces greatly effect.
At present in the production process of cement, in order to control the quality of product, online grain size analysis uses laser grain
Degree analyzer, its measuring principle is theoretical using laser diffractometry and mie light scattering, sets up and characterizes particle size fraction abundance and each spy
Determine the mathematics physics model of the light energy of acquisition at angle, measure luminous energy, the luminous energy measured by special angle is compared with total luminous energy
Compared with the abundance proportional quantities for releasing the corresponding grain-size grade of particle swarm, calculate indirectly with particle size distribution data table, distribution curve, compare table
The result such as area, D10, D50, D90, its measurement data is influenceed larger by the concentration of taken material, and measurement data accuracy is not good,
And cannot obtain including " morphological parameters " including draw ratio, ball-type degree.
Therefore, applicant carried out beneficial exploration and trial, have found result of the above problems, will be detailed below being situated between
The technical scheme for continuing is produced under this background.
The content of the invention
The technical problems to be solved by the invention：There is measurement data for existing laser particle size analyzer to receive to take thing
The problems such as concentration of material influences that larger, measurement data accuracy is not good, cannot obtain morphological parameters, and provide a kind of for analyzing
The online particle image particle size analyzing device of the size distribution of dryness particle.
Technical problem solved by the invention can be realized using following technical scheme：
A kind of online particle image particle size analyzing device, including：
One is arranged on the sampling container in cement tremie pipe, a material collection is offered at the top of the sampling container and is opened
Mouthful；
One sampling compressed air hose, the first end of the sampling compressed air hose is penetrated in the cement tremie pipe and passed through
The side of the sampling container simultaneously extends into the bottom of the sampling container；
One probe tube, the first end of the probe tube is penetrated in the cement tremie pipe and through the side of the sampling container
Face simultaneously extends into the bottom of the sampling container, and its first end is oppositely arranged with the first end of the sampling compressed air hose；
One dispersed material joint, the dispersed material joint has a dispersion compressed air interface, a sample connection and
Dispersed material is exported, and the sample connection of the dispersed material joint is connected with the second end of the probe tube；
One air compressor, the compressed air outlet of the air compressor is respectively with the of the sampling compressed air hose
The dispersion compressed air interface connection of two ends and the dispersed material joint；
One high speed video camera, the high speed video camera includes that high-speed camera and composition have a high-speed camera area
Domain, the camera of the high-speed camera is directed at the high-speed camera region and can carry out high speed bat to the high-speed camera region
According to, a material inlet is offered at the top of the high-speed camera region, its bottom offers a material outlet, the material inlet
It is connected with the dispersed material outlet of the dispersed material joint；
One powder retrieving pipe, one end of the powder retrieving pipe is connected with the material outlet in the high-speed camera region, its other end with
Cement tremie pipe is connected and positioned at the lower section of the sampling container；And
One host computer, the host computer is connected with the high-speed camera and air compressor respectively.
In a preferred embodiment of the invention, compressed air hose, the cleaning compressed air hose also are cleaned including one
One end penetrate in the cement tremie pipe and connected with the bottom of the sampling container, its other end and the air compressor
Compressed air outlet connection.
In a preferred embodiment of the invention, the first end of the sampling compressed air hose is in coniform, and it first
Bore of the bore at end less than the first end of the probe tube.
In a preferred embodiment of the invention, the installed in front in the camera of the high-speed camera has one micro-
Mirror.
In a preferred embodiment of the invention, also including one be connected with the host computer for display data result
Display.
The operation principle of online particle image particle size analyzing device of the invention is as follows：
Granular material is fallen into sampling container, and the compressed air that air compressor is produced is entered by sampling compressed air hose
Enter in sampling container, negative pressure, such particle are formed between the first end and the first end of probe tube that now sample compressed air hose
Material is inhaled into probe tube, and is delivered in dispersed material joint via probe tube, and the dispersion compression of dispersed material joint is empty
Gas interface is passed through the compressed air of air compressor generation, and compressed air dispels the material in dispersed material joint, and thickness is equal
Even material is fallen into high-speed camera region；Now, high-speed camera is carried out to the dispersed material fallen into high-speed camera region
Take pictures at a high speed, the indexing of the particle of dispersed material is recorded, host computer is collected the image that high-speed camera shoots and passed through
Grain analysis software is analyzed to captured image, obtains the distribution situation of sample granularity.Finally, the material warp of even thickness
Powder retrieving pipe is crossed to return in cement tremie pipe.
As a result of technical scheme as above, the beneficial effects of the present invention are：Sampling mode of the invention simply has
Effect, can obtain the material of even thickness, then carry out IMAQ using high-speed camera, by grading analysis software to being taken the photograph
The image for taking is analyzed, and can not only obtain all kinds of " the monomer attributes " of material and including including draw ratio, ball-type degree
" morphological parameters ", " particle diameter distribution " data and chart of sample can also be obtained, and export D10, D50 equal distribution feature ginseng
Number, takes the distribution that material really reflects actual particle.The present invention is not influenceed by the concentration of taken material, and measurement data is accurate
Degree is high, can obtain the data such as morphological parameters.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is structural representation of the invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to Fig. 1, what is be given in figure is a kind of online particle image particle size analyzing device, including sampling container 100, sampling
Compressed air hose 200, probe tube 300, dispersed material joint 400, air compressor (not shown), high speed video camera
500th, powder retrieving pipe 600, display 700 and host computer 800.
Sampling container 100 is arranged in cement tremie pipe 10, and the top of sampling container 10 offers a material collection opening
110, the material fallen in cement tremie pipe 10 enters in sampling container 100 via material collection opening 110.
The first end 210 for sampling compressed air hose 200 is penetrated in cement tremie pipe 10 and through the side of sampling container 100
And the bottom of sampling container 100 is extended into, its second end 210 is connected with the compressed air outlet of air compressor.Probe tube 300
First end 310 penetrate in cement tremie pipe 10 and through the side of sampling container 100 and extend into the bottom of sampling container 100
Portion, its first end 310 is oppositely arranged with the first end 210 of sampling compressed air hose 200.Taken to preferably be inhaled into material
In sample pipe, the first end 210 for sampling compressed air hose 200 is in coniform, and the bore of its first end 210 is less than probe tube 300
The bore of first end 310.
There is dispersed material joint 400 a dispersion compressed air interface 410, a sample connection 420 and a dispersed material to go out
Mouth 430, the dispersion compressed air interface 410 of dispersed material joint 400 is connected with the compressed air outlet of air compressor, and it takes
Sample interface 420 is connected with the second end 320 of probe tube 300.
High speed video camera 500 includes that high-speed camera 510 and composition have a high-speed camera region 520, high-speed camera
The camera alignment high-speed camera region 520 of machine 510 simultaneously can carry out taking pictures at a high speed to high-speed camera region 520, high-speed camera area
The top in domain 520 offers a material inlet 521, and its bottom offers a material outlet 522, the thing in high-speed camera region 520
Material import 521 is connected with the dispersed material outlet 430 of dispersed material joint 400.In the front side of the camera of high-speed camera 510
One microscope 530 is installed, so that the image that high-speed camera 510 is absorbed becomes apparent from.
One end 610 of powder retrieving pipe 600 is connected with the material outlet 522 in high-speed camera region 520, its other end 620 and water
Mud tremie pipe 10 is connected and positioned at the lower section of sampling container 100.
Host computer 800 is connected with high speed video camera 500, air compressor and display screen 700 respectively, display screen 700
For showing the data result after host computer analysis.
Additionally, cleaning compressed air hose 900 present invention additionally comprises one, the one end 910 for cleaning compressed air hose 900 penetrates water
Connect in mud tremie pipe 10 and with the bottom of sampling container 100, its other end 920 connects with the compressed air outlet of air compressor
Connect, when cleaning is needed in sampling container 100, clean and compressed air is passed through in compressed air hose 900, compressed air enters sampling
In container 100 and the material in sampling container 100 is blown out from material collection opening 110.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (5)
1. a kind of online particle image particle size analyzing device, it is characterised in that including：
One is arranged on the sampling container in cement tremie pipe, and a material collection opening is offered at the top of the sampling container；
One sampling compressed air hose, the first end of the sampling compressed air hose is penetrated in the cement tremie pipe and through described
The side of sampling container simultaneously extends into the bottom of the sampling container；
One probe tube, the first end of the probe tube is penetrated in the cement tremie pipe and through the side of the sampling container simultaneously
The bottom of the sampling container is extended into, its first end is oppositely arranged with the first end of the sampling compressed air hose；
One dispersed material joint, the dispersed material joint has a dispersion compressed air interface, a sample connection and a dispersion
Material outlet, the sample connection of the dispersed material joint is connected with the second end of the probe tube；
One air compressor, the compressed air outlet of the air compressor respectively with the second end of the sampling compressed air hose
Dispersion compressed air interface with the dispersed material joint is connected；
One high speed video camera, the high speed video camera includes that high-speed camera and composition have a high-speed camera region, institute
The camera for stating high-speed camera is directed at the high-speed camera region and the high-speed camera region can be carried out to take pictures at a high speed, institute
State and a material inlet is offered at the top of high-speed camera region, its bottom offers a material outlet, the material inlet and institute
State the dispersed material outlet connection of dispersed material joint；
One powder retrieving pipe, one end of the powder retrieving pipe is connected with the material outlet in the high-speed camera region, its other end and cement
Tremie pipe is connected and positioned at the lower section of the sampling container；And
One host computer, the host computer is connected with the high-speed camera and air compressor respectively.
2. particle image particle size analyzing device as claimed in claim 1 online, it is characterised in that also clean compression including empty
Tracheae, one end of the cleaning compressed air hose penetrates in the cement tremie pipe and is connected with the bottom of the sampling container,
Its other end is connected with the compressed air outlet of the air compressor.
3. particle image particle size analyzing device as claimed in claim 1 online, it is characterised in that the sampling compressed air hose
First end in coniform, the bore of the bore less than the first end of the probe tube of its first end.
4. particle image particle size analyzing device as claimed in claim 1 online, it is characterised in that in the high-speed camera
The installed in front of camera has a microscope.
5. particle image particle size analyzing device as claimed in claim 1 online, it is characterised in that also upper with described including
The display for display data result of machine connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094040.0A CN106885763A (en) | 2017-02-21 | 2017-02-21 | A kind of online particle image particle size analyzing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710094040.0A CN106885763A (en) | 2017-02-21 | 2017-02-21 | A kind of online particle image particle size analyzing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106885763A true CN106885763A (en) | 2017-06-23 |
Family
ID=59179380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710094040.0A Pending CN106885763A (en) | 2017-02-21 | 2017-02-21 | A kind of online particle image particle size analyzing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106885763A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776100A (en) * | 2018-06-19 | 2018-11-09 | 西南科技大学城市学院 | A kind of material particles automatic measurement mechanism |
| CN109557002A (en) * | 2019-01-17 | 2019-04-02 | 福建南方路面机械有限公司 | One kind is gathered materials particle shape granularity on-line measuring device |
| CN109839336A (en) * | 2019-04-24 | 2019-06-04 | 江苏一夫科技股份有限公司 | Cytochrome P--450 on-line checking analyzer |
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| CN2645076Y (en) * | 2003-09-26 | 2004-09-29 | 成都精新粉体测试设备有限公司 | Laser particles size distribution tester |
| CN2655219Y (en) * | 2003-10-22 | 2004-11-10 | 中国石化仪征化纤股份有限公司 | Negative pressure sampler for granular material |
| CN2681116Y (en) * | 2003-03-25 | 2005-02-23 | 新疆电力科学研究院 | Solid particle sampler |
| CN104614293A (en) * | 2015-02-02 | 2015-05-13 | 响水中联水泥有限公司 | On-line cement particle size detection method and one-line cement particle size device |
| CN205175876U (en) * | 2015-12-07 | 2016-04-20 | 华侨大学 | Pile up granularity particle shape on -line measuring device of aggregate |
| CN105699258A (en) * | 2016-01-28 | 2016-06-22 | 华侨大学 | Online detection device and method of fine aggregates |
| CN205749201U (en) * | 2016-06-29 | 2016-11-30 | 响水中联水泥有限公司 | A kind of cement granularity on-line measuring device improving measurement effect |
| CN206594017U (en) * | 2017-02-21 | 2017-10-27 | 上海万澄环保科技有限公司 | A kind of online particle image particle size analyzing device |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2001074641A (en) * | 1999-06-30 | 2001-03-23 | Nikkiso Co Ltd | Grain size distribution-measuring device |
| CN2681116Y (en) * | 2003-03-25 | 2005-02-23 | 新疆电力科学研究院 | Solid particle sampler |
| CN2645076Y (en) * | 2003-09-26 | 2004-09-29 | 成都精新粉体测试设备有限公司 | Laser particles size distribution tester |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108776100A (en) * | 2018-06-19 | 2018-11-09 | 西南科技大学城市学院 | A kind of material particles automatic measurement mechanism |
| CN108776100B (en) * | 2018-06-19 | 2020-11-24 | 西南科技大学城市学院 | Automatic material particle measuring mechanism |
| CN109557002A (en) * | 2019-01-17 | 2019-04-02 | 福建南方路面机械有限公司 | One kind is gathered materials particle shape granularity on-line measuring device |
| CN109557002B (en) * | 2019-01-17 | 2024-03-19 | 福建南方路面机械股份有限公司 | Aggregate particle shape granularity on-line measuring device |
| CN109839336A (en) * | 2019-04-24 | 2019-06-04 | 江苏一夫科技股份有限公司 | Cytochrome P--450 on-line checking analyzer |
| CN109839336B (en) * | 2019-04-24 | 2019-07-19 | 江苏一夫科技股份有限公司 | Cytochrome P--450 on-line checking analyzer |
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