CN109557002B - Aggregate particle shape granularity on-line measuring device - Google Patents
Aggregate particle shape granularity on-line measuring device Download PDFInfo
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- CN109557002B CN109557002B CN201910044347.9A CN201910044347A CN109557002B CN 109557002 B CN109557002 B CN 109557002B CN 201910044347 A CN201910044347 A CN 201910044347A CN 109557002 B CN109557002 B CN 109557002B
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- 239000002245 particle Substances 0.000 title claims abstract description 31
- 239000000428 dust Substances 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 239000000843 powder Substances 0.000 claims description 25
- 238000009423 ventilation Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 15
- 239000006185 dispersion Substances 0.000 claims description 13
- 238000010191 image analysis Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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
- G01N15/0227—Investigating particle size or size distribution by optical means using imaging; using holography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
-
- 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
-
- 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
- G01N2015/0294—Particle shape
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an aggregate particle size online detection device which comprises a feeding hopper, a blanking channel, a shooting device and a control device, wherein the blanking channel is communicated with the feeding hopper for the aggregate output by the feeding hopper to fall freely, the shooting device is used for shooting images of the aggregate falling in the blanking channel, the control device is connected with the shooting device for analyzing the aggregate particle size according to the shot images, the control device also comprises an air inlet, a dust removing pipeline and a negative pressure device, the air inlet is arranged at the bottom of the blanking channel, the upper end of the dust removing pipeline is communicated with the top of the blanking channel, the lower end of the dust removing pipeline is connected with the negative pressure device, air flow enters the blanking channel from the air inlet and flows upwards, and is sucked out by the negative pressure device after passing through the dust removing pipeline so as to remove dust in the aggregate, so that the real-time online detection and full-automatic and intelligent production flow control of the particle size condition of the aggregate on a production line are realized.
Description
Technical Field
The invention belongs to the field of testing devices, and particularly relates to an online detection device for aggregate particle shape and granularity.
Background
Aggregate is also called aggregate, one of main components of concrete mainly plays a role of a framework and reduces volume change caused by dry shrinkage, wet expansion of a cementing material in the process of setting and hardening, and is also used as an inexpensive filler of the cementing material. The use amount of aggregate is very large, especially sand and stone for making common concrete, billions of cubic meters are consumed each year worldwide, and the aggregate in various areas is already in face of resource exhaustion. Therefore, developing various new natural aggregate resources, developing various artificial aggregates and finding suitable substitute materials have become an important task for the current development of concrete aggregates.
The particle size of the aggregate needs to be controlled in the process of manufacturing the aggregate so as to ensure the quality requirement, the traditional aggregate detection mode is that people operate and detect according to the national standard, the data arrangement and induction from sampling to detection are completed by people and relatively basic experimental equipment together, and almost no automatic and intelligent equipment participates, so that the defects of complex operation, large workload, long time consumption, low working efficiency and easy occurrence of calculation errors exist in the detection. In the prior art, a powder granularity detection device (publication number: CN 204128924U) is disclosed, but the detection of the device is limited to the detection of granularity and granule type, the function is single, fine powder in aggregate cannot be screened out, and in the aggregate falling process, the fine powder does not fall along with the movement of vortex in a shooting area, so that the residence time of the fine powder in the shooting area is longer than that of coarse powder, the condition of multi-shot fine powder is caused, the shooting accuracy is influenced, and larger errors are caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an online particle size detection device which can detect the particle size of aggregate on a production line in real time on line without manual intervention.
The invention is realized by the following technical scheme:
the utility model provides an aggregate particle form granularity on-line measuring device, including the feeder hopper, the blanking passageway, shooting device and controlling means, blanking passageway and feeder hopper intercommunication are in order to supply the free whereabouts of gathering materials of feeder hopper output, shooting device is used for shooing the image that gathers materials whereabouts in the blanking passageway, controlling means is connected with shooting device in order to gather materials particle form granularity according to the image analysis that its was shot, still include the air intake, dust removal pipeline and negative pressure device, the air intake sets up in blanking passageway bottom, dust removal pipeline upper end and blanking passageway top intercommunication, the lower extreme is connected with negative pressure device, the air current gets into blanking passageway and upward flows from the air intake, by negative pressure device suction in order to get rid of the dust in the aggregate behind the dust removal pipeline.
Further, the blanking device comprises a wind speed sensor, a negative pressure channel and a first valve, an air outlet is formed in the bottom of the blanking channel, one end of the negative pressure channel is communicated with the air outlet, the other end of the negative pressure channel is connected with the negative pressure device, the wind speed sensor is connected with the blanking channel to measure wind speed in the blanking channel, and the first valve adjusts wind flow of the negative pressure channel according to the wind speed.
Further, the device also comprises a powder removing branch and a second valve, wherein one end of the powder removing branch is connected with the negative pressure device through a dust removing pipeline, the other end of the powder removing branch is communicated with the atmosphere, and the second valve is used for adjusting the air flow of the powder removing branch according to the air speed.
Further, the dust removing device comprises a ventilation grid, wherein the ventilation grid is an upper baffle plate of the blanking channel, a plurality of grid holes which are transparent up and down are formed in the ventilation grid and are used for air circulation, and air flow is sucked out by the negative pressure device after entering the blanking channel from the outside through the ventilation grid and passing through a dust removing pipeline or a negative pressure channel.
Further, the device further comprises a dispersing pipeline and a shrinkage pipeline, wherein the upper end of the dispersing pipeline is communicated with the feeding hopper so that aggregate output by the feeding hopper is uniformly dispersed, the shrinkage pipeline is communicated between the lower end of the dispersing pipeline and the blanking channel, and the diameter of the shrinkage pipeline is gradually reduced from top to bottom so as to shrink the aggregate output by the dispersing pipeline to the same plane.
Further, the inside first striker plate and the second striker plate that are provided with interval arrangement of dispersion pipeline, first striker plate includes first hang plate, second hang plate and the third hang plate of downward sloping, first hang plate upper end setting is located dispersion pipeline inner wall, the lower extreme is inside dispersion pipeline, second hang plate both ends are connected with first hang plate lower extreme and third hang plate upper end respectively, the third hang plate lower extreme is located dispersion pipeline inside, the second striker plate downward sloping is arranged, its upper end setting is on dispersion pipeline inner wall, the lower extreme is located dispersion pipeline inside, gather materials form tortuous blanking route between first striker plate and second striker plate, in order to make the dispersion of gathering materials even.
Furthermore, the blanking channel is a closed rectangular space, the shrinkage pipeline stretches into the rectangular space, and the aggregate falls from the shrinkage pipeline and is located in the shooting range of the shooting device.
Further, the third inclined plate is arranged in parallel with the first inclined plate.
Further, the upper end position of the first inclined plate is higher than the upper end position of the second striker plate.
Further, the device also comprises a vibrator arranged outside the dispersing pipeline to assist in cleaning the dispersing pipeline.
The invention has the following beneficial effects:
1. the invention can carry out real-time online detection on the particle size condition of aggregate on the production line, realizes full automation and intelligent production flow control, can know the particle size information of the aggregate without manual intervention, improves the detection efficiency, fundamentally changes the traditional detection means and is more humanized.
2. The invention can remove powder from the aggregate before the aggregate is subjected to particle size detection, thereby greatly improving the accuracy of aggregate detection.
3. The wind speed sensor can measure the wind speed of the blanking channel on line, the wind speed in the blanking channel is regulated by the first valve and the negative pressure channel, the wind speed in the blanking channel can be maintained at a reasonable value under the cooperation of the ventilation grille, the necessary wind speed for dust removal can be maintained, the negative pressure of the negative pressure device can be prevented from being too large, so that vortex is generated in the blanking channel, fine powder is prevented from falling along with the motion of the vortex in a shooting area, the retention time of the fine powder in the shooting area is longer than that of coarse material, and the condition that the fine powder is shot more is caused.
4. The dispersing pipeline and the shrinkage pipeline can enable aggregates to shrink on a plane after being homogenized before entering blanking, and photographing errors caused by overlapping when materials are uneven and blanking are discharged, so that the photographing device can detect aggregate particle shape and granularity more accurately.
Drawings
FIG. 1 is a schematic perspective view of the invention;
fig. 2 is a schematic elevational view of the invention.
The label information in the figure is:
1. the device comprises a feeding hopper, 21, a blanking channel, 22, a dispersing pipeline, 221, a first baffle plate, 2211, a first inclined plate, 2212, a second inclined plate, 2213, a third inclined plate, 222, a second baffle plate, 23, a shrinkage pipeline, 24, a dust removing pipeline, 25, a negative pressure channel, 26, a powder removing branch, 3, a shooting device, 4, a control device, 61, a first valve, 62, a second valve, 7, a ventilation grid, 8, a vibrator, 9 and a connecting pipe.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
The utility model provides an aggregate particle size on-line measuring device, including feeder hopper 1, blanking passageway 21, shooting device 3, controlling means 4, the air intake, dust removal pipeline 24, negative pressure device, the wind speed inductor, negative pressure passageway 25, remove powder branch road 26, first valve 61, second valve 62, ventilative grid 7, dispersion tube 22, shrink tube 23 and vibrator 8, blanking passageway and feeder hopper intercommunication are used for the aggregate free fall of feeder hopper output, shooting device is used for shooing the image that gathers materials in blanking passageway whereabouts, controlling means is connected with shooting device in order to analyze aggregate particle size according to the image that it shooed, negative pressure device passes through connecting pipe 9 and dust removal pipeline 24 intercommunication (negative pressure device is not shown in the figure).
Aggregate enters the detection device from the feed hopper 1, the upper end of the dispersing pipe 22 is communicated with the feed hopper 1, a first baffle plate 221 and a second baffle plate 222 which are arranged at intervals are arranged in the dispersing pipe 22, the first baffle plate 221 comprises a first inclined plate 2211, a second inclined plate 2212 and a third inclined plate 2213 which are inclined downwards, the upper end of the first inclined plate 2211 is arranged on the inner wall of the dispersing pipe 22, the lower end of the first inclined plate 2211 is positioned in the dispersing pipe 22, the upper end of the first inclined plate 2211 is higher than the upper end of the second baffle plate 222, two ends of the second inclined plate 2212 are respectively connected with the lower end of the first inclined plate 2211 and the upper end of the third inclined plate 2213, the lower end of the third inclined plate 2213 is positioned in the dispersing pipe 22, the third inclined plate 2213 is arranged in parallel with the first inclined plate 2211, the second baffle plate 222 is arranged in a downward inclined manner, the upper end of the second baffle plate 2211 is arranged on the inner wall of the dispersing pipe 22, the upper end of the aggregate is positioned in the dispersing pipe 22, and a blanking path is formed between the first baffle plate 221 and the second baffle plate 222, so that the aggregate is uniformly dispersed. The outside of the dispersing pipe 22 is provided with a vibrator 8, the vibrator 8 is connected with the control device 4, and when the detection is finished, the control device 4 controls the vibrator 8 to act so as to assist in cleaning the residual aggregate in the dispersing pipe 22. The shrinkage pipeline 23 is communicated and arranged between the lower end of the dispersion pipeline 22 and the blanking channel 21, and the diameter of the shrinkage pipeline 23 is gradually reduced from top to bottom so as to shrink the aggregate output by the dispersion pipeline 23 to the same plane. The blanking channel 21 is a closed rectangular space, the shrinkage pipeline 23 stretches into the rectangular space, the aggregate falls from the shrinkage pipeline 23 and is located in the shooting range of the shooting device 3, the shooting device 3 is connected with the control device 4 and comprises a camera, a parallel light source and a camera adjusting seat, and the camera adjusting seat is used for shooting an image of the aggregate falling in the blanking channel 21 and feeding the image back to the control device 4 for analyzing and storing particle size data.
The air intake sets up in blanking passageway 21 bottom, and dust removal pipeline 24 upper end and blanking passageway 21 top intercommunication, the lower extreme is connected with negative pressure device through connecting pipe 9, and blanking passageway 21 bottom still is provided with the air outlet, air outlet and air intake interval arrangement, and negative pressure passageway 25 one end and air outlet intercommunication, the other end is connected with negative pressure device through pipeline (not shown in the figure). The wind speed sensor is arranged in the blanking channel 21 and is connected with the control device 4, and is used for measuring the wind speed in the blanking channel 21 and feeding back the wind speed to the control device 4, and the control device 4 controls the first valve 61 arranged on the negative pressure channel 25 so as to adjust the wind flow of the blanking channel 21 according to the wind speed fed back by the wind speed sensor, so that the wind speed in the blanking channel 21 can ensure that the wind speed for removing powder is lower than the wind speed for generating vortex. One end of the dust removing branch 26 is connected with the negative pressure device through the dust removing pipeline 24, the other end of the dust removing branch 26 is communicated with the atmosphere, the control device 4 controls the second valve 62, and the wind flow of the dust removing branch 26 is adjusted according to the wind speed fed back by the wind speed sensor so as to cooperatively control the wind speed in the dust removing pipeline. The ventilation grille 7 is arranged at the top of the blanking channel 21 to seal the blanking channel 21, the ventilation grille 7 is provided with through holes for the shrinkage pipeline 23 to pass through, the ventilation grille 7 is provided with a plurality of grid holes which are transparent up and down for air circulation, and air entering the ventilation grille is converged with air entering the air inlet and sucked out by the negative pressure device after passing through the dust removal pipeline 24 or the negative pressure channel 25.
When the first valve 61 is closed, air flow enters the blanking channel 21 from the air inlet and the ventilation grid and flows upwards, dust in aggregate is removed by the negative pressure device after passing through the dust removing pipeline 24, when the air speed in the blanking channel 21 is overlarge, the first valve 61 is controlled to be opened, and air flow directly enters the negative pressure device from the blanking channel 21 to provide negative pressure for the blanking channel 21, so that the air pressure difference is reduced, and the air speed in the blanking channel 21 is reduced. The second valve 62 controls the air flow of the dust removing branch 26, when the second valve 62 is closed, the air flow is sucked out by the negative pressure device after entering the dust removing pipeline 24 from the blanking channel 21 to remove dust in the aggregate, and when the air speed in the dust removing pipeline 24 is overlarge, the second valve 62 is controlled to be opened, and the air flow directly enters the dust removing pipeline 24 from the outside, so that the air speed in the dust removing pipeline 24 is reduced.
The working principle of the invention is as follows:
the negative pressure device is started, cleaning is started before detection, then aggregate is placed into the feed hopper 1, and the shooting device 3 is started.
The air flow enters the blanking channel 21 from the air inlet and flows upwards, and is sucked out by the negative pressure device after passing through the shrinkage pipeline 23, the dispersion pipeline 22 and the dust removal pipeline 24 so as to remove dust in the aggregate. One end of the negative pressure channel 25 is communicated with the air outlet, the other end of the negative pressure channel is connected with the negative pressure device, the wind speed sensor of the wind speed sensor measures the wind speed in the blanking channel 21 and feeds back the wind speed to the control device 4 for comparison calculation, the control device 4 controls the wind speed in the blanking channel 21 by controlling the first valve 61 arranged on the negative pressure channel 25, so that the wind speed is greater than the wind speed necessary for collecting and removing dust and less than the wind speed generating vortex, the phenomenon that fine powder is repeatedly beaten along with the vortex in the blanking channel 21 is avoided while the dust removal work is ensured.
One end of the powder removing branch 26 is connected with the negative pressure device through a dust removing pipeline, the other end of the powder removing branch 26 is communicated with the atmosphere, the control device 4 controls the second valve 62, and the air flow of the powder removing branch 26 is adjusted according to the air speed. The ventilation grille 7 is arranged at the top of the blanking channel 21 to seal the blanking channel 21, the ventilation grille 7 is provided with through holes for the shrinkage pipeline 23 to pass through, the ventilation grille 7 is provided with a plurality of grid holes which are transparent up and down and are used for air circulation, and air flow is sucked out by the negative pressure device after entering the blanking channel 21 from the outside through the ventilation grille 7 and passing through the dust removal pipeline 24 or the negative pressure channel 25.
The feeding hopper starts feeding, and samples sequentially pass through the dispersing pipeline 22 and the contracting pipeline 23 and then fall into the blanking channel 21; in the visual field of the shooting device 3 in the blanking channel 21, the shooting device 3 starts to shoot the aggregate in the visual field at high speed, the shot file is stored in the control device 4, the control device 4 analyzes the particle size of the aggregate according to the shot file, and the aggregate in the visual field of the shooting device 3 is directly discharged out of the aggregate channel.
When the photographing device 3 does not photograph the aggregate for a certain time, information is fed back to the control device 4, the control device 4 judges that the aggregate is fed, the photographing device 3 is instructed to stop photographing, the negative pressure device and the vibrator 8 clean the dispersing pipeline 22 within a set time, and then the vibrator 8 is firstly closed, and then the negative pressure device is closed, so that the particle size detection is completed.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, i.e., the invention is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the invention.
Claims (6)
1. The utility model provides an aggregate particle form granularity on-line measuring device, includes feeder hopper, blanking passageway, shooting device and controlling means, and blanking passageway and feeder hopper intercommunication are in order to supply the free whereabouts of gathering materials of feeder hopper output, and shooting device is used for shooing the image that gathers materials whereabouts in blanking passageway, and controlling means is connected in order to gather materials particle form granularity according to its image analysis that shoots with shooting device, its characterized in that: the dust collection device comprises a dust collection channel, a dust collection pipe and a negative pressure device, wherein the dust collection channel is arranged at the bottom of the dust collection channel, the upper end of the dust collection pipe is communicated with the top of the dust collection channel, the lower end of the dust collection pipe is connected with the negative pressure device, and air flow enters the dust collection channel from the air collection pipe and flows upwards and is sucked out by the negative pressure device after passing through the dust collection pipe so as to remove dust in aggregate; the device comprises a feeding hopper, a dispersing pipeline, a shrinkage pipeline and a control pipeline, wherein the upper end of the dispersing pipeline is communicated with the feeding hopper so as to uniformly disperse aggregate output by the feeding hopper; the first baffle plate comprises a first inclined plate, a second inclined plate and a third inclined plate which are inclined downwards, the upper end of the first inclined plate is arranged on the inner wall of the dispersing pipeline, the lower end of the first inclined plate is positioned in the dispersing pipeline, the two ends of the second inclined plate are respectively connected with the lower end of the first inclined plate and the upper end of the third inclined plate, the lower end of the third inclined plate is positioned in the dispersing pipeline, the second baffle plate is arranged in a downward inclined manner, the upper end of the second baffle plate is arranged on the inner wall of the dispersing pipeline, the lower end of the second baffle plate is positioned in the dispersing pipeline, and a tortuous blanking path is formed between the first baffle plate and the second baffle plate for collecting materials to enable the aggregates to be dispersed uniformly; the third inclined plate is arranged in parallel with the first inclined plate; the upper end position of the first inclined plate is higher than the upper end position of the second striker plate.
2. The online detection device for particle size of particles according to claim 1, wherein: the blanking device is characterized by further comprising an air speed sensor, a negative pressure channel and a first valve, wherein an air outlet is formed in the bottom of the blanking channel, one end of the negative pressure channel is communicated with the air outlet, the other end of the negative pressure channel is connected with the negative pressure device, the air speed sensor is connected with the blanking channel to measure the air speed in the blanking channel, and the first valve adjusts the air flow of the negative pressure channel according to the air speed.
3. The online detection device for particle size of particles according to claim 2, wherein: the device also comprises a powder removing branch and a second valve, wherein one end of the powder removing branch is connected with the negative pressure device through a dust removing pipeline, the other end of the powder removing branch is communicated with the atmosphere, and the second valve is used for adjusting the air flow of the powder removing branch according to the air speed.
4. A particle size on-line measuring device as claimed in claim 2 or 3, wherein: the dust removing device is characterized by further comprising a ventilation grille arranged at the upper part of the blanking channel, wherein air flow is sucked out by the negative pressure device after entering the blanking channel from the ventilation grille and passing through the dust removing pipeline or the negative pressure channel.
5. The online detection device for particle size of particles according to claim 1, wherein: the blanking channel is a closed rectangular space, the shrinkage pipeline stretches into the rectangular space, and the aggregate falls from the shrinkage pipeline and is located in the shooting range of the shooting device.
6. The online detection device for particle size of particles according to claim 1, wherein: still including setting up the vibrator outside dispersion pipe to help dispersion pipe clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044347.9A CN109557002B (en) | 2019-01-17 | 2019-01-17 | Aggregate particle shape granularity on-line measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044347.9A CN109557002B (en) | 2019-01-17 | 2019-01-17 | Aggregate particle shape granularity on-line measuring device |
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| CN109557002A CN109557002A (en) | 2019-04-02 |
| CN109557002B true CN109557002B (en) | 2024-03-19 |
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| CN114955564B (en) * | 2022-05-13 | 2023-05-05 | 重庆新申世纪新材料科技有限公司 | Purity detection device suitable for battery-level strontium compound |
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| JP2003307496A (en) * | 2002-04-16 | 2003-10-31 | Ishikawajima Constr Mach Co | Aggregate discriminating apparatus for concrete |
| CN204128924U (en) * | 2014-11-03 | 2015-01-28 | 辽宁丽天新材料有限公司 | Granularity detection device |
| CN106885763A (en) * | 2017-02-21 | 2017-06-23 | 上海万澄环保科技有限公司 | A kind of online particle image particle size analyzing device |
| CN107589053A (en) * | 2017-11-07 | 2018-01-16 | 北京华清茵蓝科技有限公司 | Automatic sampling fineness of pulverized coal On-line Measuring Method and measurement apparatus |
| CN107727540A (en) * | 2017-10-27 | 2018-02-23 | 华侨大学 | A kind of Machine-made Sand on-line measuring device and online test method |
| CN209432665U (en) * | 2019-01-17 | 2019-09-24 | 福建南方路面机械有限公司 | One kind is gathered materials particle shape granularity on-line measuring device |
-
2019
- 2019-01-17 CN CN201910044347.9A patent/CN109557002B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003307496A (en) * | 2002-04-16 | 2003-10-31 | Ishikawajima Constr Mach Co | Aggregate discriminating apparatus for concrete |
| CN204128924U (en) * | 2014-11-03 | 2015-01-28 | 辽宁丽天新材料有限公司 | Granularity detection device |
| CN106885763A (en) * | 2017-02-21 | 2017-06-23 | 上海万澄环保科技有限公司 | A kind of online particle image particle size analyzing device |
| CN107727540A (en) * | 2017-10-27 | 2018-02-23 | 华侨大学 | A kind of Machine-made Sand on-line measuring device and online test method |
| CN107589053A (en) * | 2017-11-07 | 2018-01-16 | 北京华清茵蓝科技有限公司 | Automatic sampling fineness of pulverized coal On-line Measuring Method and measurement apparatus |
| CN209432665U (en) * | 2019-01-17 | 2019-09-24 | 福建南方路面机械有限公司 | One kind is gathered materials particle shape granularity on-line measuring device |
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