CN206192827U - Laser particle size analyzer - Google Patents
Laser particle size analyzer Download PDFInfo
- Publication number
- CN206192827U CN206192827U CN201620940720.0U CN201620940720U CN206192827U CN 206192827 U CN206192827 U CN 206192827U CN 201620940720 U CN201620940720 U CN 201620940720U CN 206192827 U CN206192827 U CN 206192827U
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- sample
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- pond
- laser particle
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Abstract
The utility model relates to a relate to laser particle size analyzer, include the sample cell, be used for to test the laser measuring unit and the sample circulation dispersion unit of the interior sample granularity of sample cell, sample circulation dispersion unit includes the intake pump, through outlet pipe and the wet return stirring pond with the sample cell intercommunication, have dispersed pond in the stirring pond, an ultrasonic dispersion device is connected in the dispersion pond, installs the stirring rod in stirring the pond, a variable speed dynamo is connected to stirring rod one end, is provided with sample feeding device on stirring the pond sample feeding device is provided with the filtration mesh screen. The utility model discloses the device restricts adding the sample particle diameter, avoids solid sample to cause damage to centrifugal blade at another during to the stirring, guarantees granulometry appearance life, reduces test cost. And owing to adopt multistage variable speed dynamo, can set for different rotational speeds according to the nature of different samples, guarantee that follow -up dispersion is complete, avoid granule footpath sample because the higher formation aggregate of specific surface energy is favorable to accurate determination of sample granularity.
Description
Technical field
The utility model belongs to plastic cement production technical field, and in particular to a kind of laser particle analyzer.
Background technology
In plastic cement production technical field, many materials are present with the form of powder, and size distribution is to these products
Quality and performance have vital effect.For example the granular size of carbon black, coarse whiting, nano-calcium carbonate, PVC master batches is to institute
The performance of the products such as the rubber plastic being made has certain influence；The granularity of catalyst is to catalytic effect important；
The particle size influences setting time of cement and final intensity；The quality and performance of the particle size influences product of various mineral fillers；Apply
The particle size influences coating effect and lustrous surface of material；The particle size influences mouthfeel of medicine, absorptivity and curative effect etc..Therefore in powder
In material field of processing and application, the size distribution of powder is effectively controlled and measured, to improve product quality, reduce the energy and disappear
Consumption, reduces environmental pollution, and protection human health is all significant.
Laser particles size measurement is to measure a kind of general particle diameter of particle size based on laser entirety light scattering principle
Measuring method, can measure any raw material size composition mutually in the other phase in theory.As long as the refraction index of each phase
Difference, medium is transparent for optical maser wavelength, so that it may use laser defusing measure.Wherein scatter the intensity and spatial distribution of light
It is relevant with concentration in the size of tested particle.
Prior art laser particle size measurement instrument in actual use, due to use direct sample loading alternative, sometimes not
It is careful that centrifuge blade is caused to damage to the sample added in circulatory pool with diameter greater than 1mm, influence particle size measuring instrument service life.
Or due to some samples, such as coarse whiting, its particle size range is smaller, specific surface area is big, and specific surface energy is higher, easily forms aggregation,
Dispersive property is poor, dispersion is also difficult to only with dispersant complete.Therefore ensureing particle size analyzer not damaged, ensuring that powder can be
It is even be dispersed in decentralized medium in particle do not reunite, do not chemically reacted with decentralized medium, be the weight of Accurate Determining sample granularity
Want premise.For this reason, it is necessary to research and develop a kind of laser particle analyzer of Accurate Determining sample granularity.
Utility model content
In view of the defect that above-mentioned prior art is present, the purpose of this utility model is to provide a kind of laser particle analyzer, solves
Sample dispersion not exclusively, specimen breakdown centrifuge blade the problems such as.To realize foregoing utility model purpose, what the utility model was used
Technical scheme includes：
A kind of laser particle analyzer, including sample cell, laser testing unit and sample for sample granularity in sample pool for testing
Product circulate dispersal unit, and the cycles samples dispersal unit is included intake pump, connected with sample cell by outlet pipe and return pipe
Stirring pool, wherein, have dispersion pond in stirring pool, the ultrasonic wave distributing device of dispersion pond connection one is installed in stirring pool
There is stirring rod, described stirring rod one end connects a variable speed electric motors, particularly, sample adding device is provided with stirring pool, in the sample adding device
It is provided with filtering mesh screen.
Further, the laser testing unit includes laser, fourier lense and photodetector to the utility model,
The sample cell is placed in the light path converged between fourier lense and photodetector.
The utility model further, beam expanding lens is additionally provided between the laser and fourier lense.
The utility model further, has been evenly arranged some auxiliary detectors on the outside of the sample cell.
Further, the auxiliary detector is distributed the utility model in flag trellis.
Further, the mesh number of the filtering mesh screen is more than 18 mesh to the utility model.
By such scheme, the utility model at least has advantages below：1. the utility model device is to adding sample grain
Footpath is limited, it is to avoid solid sample it is another to stirring when to centrifuge blade cause damage, it is ensured that particle size measuring instrument uses the longevity
Life, reduces testing cost；2. multi-change speed motor is used, different rotating speeds can be set according to the property of different samples, it is ensured that follow-up
Dispersion is complete, it is to avoid small particle sample is conducive to Accurate Determining sample granularity due to specific surface energy formation aggregation higher；3. with
Traditional-handwork detection method has that speed is fast, accuracy is high, sample is few, testing cost is low, it is excellent to reduce environmental pollution etc. needed for detection
Point.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is a kind of structural representation of laser particle analyzer of the utility model.
The implication of each reference is as follows in figure.
The stirring pool of 1 sample cell 2
The ultrasonic wave distributing device of 3 intake pump 4
The variable speed electric motors, particularly of 5 stirring rod 6
7 sample adding device 8 filters mesh screen
The 9 dispersion outlet pipes of pond 10
The auxiliary detector of 11 return pipe 12
The fourier lense of 13 laser 14
The draining pump of 15 photodetector 16
17 beam expanding lens
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clear, complete description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment, is not limited to scope of the present utility model.Based on embodiment of the present utility model, those of ordinary skill in the art exist
The every other embodiment obtained under the premise of creative work is not made, the scope of the utility model protection is belonged to.
Referring to Fig. 1, the utility model laser particle analyzer, including sample cell 1, for sample granularity in sample pool for testing 1
Laser testing unit and cycles samples dispersal unit, the cycles samples dispersal unit is including intake pump 3, by the and of outlet pipe 10
The stirring pool 2 that return pipe 11 is connected with sample cell 1, wherein, have dispersion pond 9, the ultrasound of dispersion pond 9 connection one in stirring pool 2
Wave distributing device 4, is provided with stirring rod 5 in stirring pool 2, and the one end of the stirring rod 5 connects a variable speed electric motors, particularly 6, in stirring pool 2
On be provided with sample adding device 7, the sample adding device 7 be provided with filtering mesh screen 8.It is preferred that the mesh number of the filtering mesh screen 8 is more than
18 mesh.So-called mesh number, refers to the granularity or fineness degree of material, general definition refer in 1 inch * 1 inch of area how many
The mesh count of individual mesh count, i.e. screen cloth, material can be that how many mesh number be defined as by the mesh：It is exactly the material energy such as 200 mesh
By there is 200 screen clothes of mesh in 1 inch * 1 inch.By that analogy, mesh number is bigger, illustrates that raw meal particle size is thinner, and mesh number is got over
It is small, illustrate that raw meal particle size is bigger.18 mesh are to represent that screen size is 1.00mm.
It should be noted that by setting sample adding device 7, to adding sample particle diameter to limit, it is to avoid solid sample exists
It is another to stirring when to the centrifuge blade in stirring rod 5 cause damage, it is ensured that particle size measuring instrument service life, reduction test into
This.Also, using the variable speed electric motors, particularly 6 of multi-change speed, different rotating speeds can be set according to the property of different samples, it is ensured that follow-up dispersion
Completely, it is to avoid small particle sample is conducive to Accurate Determining sample granularity due to specific surface energy formation aggregation higher.Motor turn
Speed under normal circumstances just can be with 1600 revs/min of rotating speed.If without certain necessity, circulation motor should not be for a long time
Continuous operation, because so reducing electrical machinery life, sample viscosity is bigger, aggregation extent is more high, needs rotating speed bigger.
Used as the preferred embodiment of the utility model one, the laser testing unit includes laser 13, fourier lense 14
With photodetector 15, the sample cell 1 be placed between fourier lense 14 and photodetector 15 converge light path on.Institute
State and beam expanding lens 17 is additionally provided between laser 13 and fourier lense 14.It has been evenly arranged in the outside of the sample cell 1 some
Auxiliary detector 12.Preferably, the auxiliary detector 12 is distributed in flag trellis.By the setting of above-mentioned laser testing unit,
Can be with effective detection to the sample granularity in sample cell 1.
When specifically used, intake pump 3 extract it is a certain amount of enter to add stirring pool 2, then sample to be tested is added through sampling device 7
To stirring pool 2, start variable speed electric motors, particularly 6, can adjust rotating speed, water mixed liquid containing sample enters the dispersion ultrasonic wave of pond 9 dispersion, dispersion
Enter sample cell 1 through outlet pipe 10 after completely, then through sample granularity that laser testing unit testing is scattered.The grain tested
Outside the water mixed liquid containing sample of degree is promoted to sample cell 1 or cycles samples dispersal unit through draining pump 16.Therefore, first, originally
Utility model device to add sample particle diameter limit, it is to avoid solid sample it is another to stirring when to centrifuge blade cause damage
It is bad, it is ensured that particle size measuring instrument service life, reduce testing cost.Secondly, using multi-change speed motor, can be according to different samples
Property sets different rotating speeds, it is ensured that follow-up dispersion is complete, it is to avoid small particle sample has due to specific surface energy formation aggregation higher
Beneficial to Accurate Determining sample granularity.Again, have that speed is fast, accuracy is high with traditional-handwork detection method, sample needed for detection is few,
Testing cost is low, the advantages of reduce environmental pollution.The utility model still has a numerous embodiments, all use equivalents or waits
All technical schemes that effect is converted and formed, all fall within protection domain of the present utility model.
Claims (6)
1. a kind of laser particle analyzer, including sample cell (1), the laser testing unit for sample pool for testing (1) interior sample granularity
With cycles samples dispersal unit, it is characterised in that：The cycles samples dispersal unit is including intake pump (3), by outlet pipe
(10) and the stirring pool (2) that is connected with sample cell (1) of return pipe (11), wherein, have dispersion pond (9) in stirring pool (2), point
The ultrasonic wave distributing device (4) of pond (9) connection one is dissipated, stirring rod (5), described stirring rod (5) one end are installed in stirring pool (2)
A variable speed electric motors, particularly (6) is connected, sample adding device (7) is provided with stirring pool (2), the sample adding device (7) is provided with filtering
Mesh screen (8).
2. a kind of laser particle analyzer according to claim 1, it is characterised in that：The laser testing unit includes laser
(13), fourier lense (14) and photodetector (15), the sample cell (1) are placed in fourier lense (14) and photodetection
In the light path converged between device (15).
3. a kind of laser particle analyzer according to claim 2, it is characterised in that：It is saturating in the laser (13) and Fourier
Beam expanding lens (17) is additionally provided between mirror (14).
4. a kind of laser particle analyzer according to claim 1, it is characterised in that：In the uniform cloth in the sample cell (1) outside
It is equipped with some auxiliary detectors (12).
5. a kind of laser particle analyzer according to claim 4, it is characterised in that：The auxiliary detector (12) is in flag trellis
Distribution.
6. a kind of laser particle analyzer according to claim 1, it is characterised in that：The mesh number of filtering mesh screen (8) is more than
18 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620940720.0U CN206192827U (en) | 2016-08-25 | 2016-08-25 | Laser particle size analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620940720.0U CN206192827U (en) | 2016-08-25 | 2016-08-25 | Laser particle size analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192827U true CN206192827U (en) | 2017-05-24 |
Family
ID=58727688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620940720.0U Expired - Fee Related CN206192827U (en) | 2016-08-25 | 2016-08-25 | Laser particle size analyzer |
Country Status (1)
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| CN (1) | CN206192827U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607446A (en) * | 2017-11-16 | 2018-01-19 | 济南微纳颗粒仪器股份有限公司 | A kind of internal-circulation type micro-example pond |
| CN110426327A (en) * | 2019-07-29 | 2019-11-08 | 吉林大学 | A kind of test sampling system of laser particle analyzer |
| CN111044418A (en) * | 2019-12-16 | 2020-04-21 | 深圳市龙岗大工业区混凝土有限公司 | Fineness detection device of concrete powder |
| CN111474088A (en) * | 2020-03-24 | 2020-07-31 | 珠海欧美克仪器有限公司 | Sample introduction system starting method |
| CN111855320A (en) * | 2020-08-11 | 2020-10-30 | 山东金泰恒盛新材料科技有限公司 | Automatic sampling detection mechanism of grinding machine for producing polymer nano stone-based paper |
| CN114307784A (en) * | 2021-12-08 | 2022-04-12 | 南京工程学院 | Ultrasonic fiber dispersion instrument |
-
2016
- 2016-08-25 CN CN201620940720.0U patent/CN206192827U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607446A (en) * | 2017-11-16 | 2018-01-19 | 济南微纳颗粒仪器股份有限公司 | A kind of internal-circulation type micro-example pond |
| CN107607446B (en) * | 2017-11-16 | 2023-09-15 | 济南微纳颗粒仪器股份有限公司 | Internal circulation type micro sample cell |
| CN110426327A (en) * | 2019-07-29 | 2019-11-08 | 吉林大学 | A kind of test sampling system of laser particle analyzer |
| CN110426327B (en) * | 2019-07-29 | 2021-07-23 | 吉林大学 | Test sampling system of laser particle analyzer |
| CN111044418A (en) * | 2019-12-16 | 2020-04-21 | 深圳市龙岗大工业区混凝土有限公司 | Fineness detection device of concrete powder |
| CN111474088A (en) * | 2020-03-24 | 2020-07-31 | 珠海欧美克仪器有限公司 | Sample introduction system starting method |
| CN111855320A (en) * | 2020-08-11 | 2020-10-30 | 山东金泰恒盛新材料科技有限公司 | Automatic sampling detection mechanism of grinding machine for producing polymer nano stone-based paper |
| CN111855320B (en) * | 2020-08-11 | 2024-02-02 | 山东金泰恒盛新材料科技有限公司 | Automatic sampling detection mechanism of grinding machine for high molecular nano stone-based paper production |
| CN114307784A (en) * | 2021-12-08 | 2022-04-12 | 南京工程学院 | Ultrasonic fiber dispersion instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20190825 |