CN108613904A - Droplet measurement device and powder by atomization system - Google Patents
Droplet measurement device and powder by atomization system Download PDFInfo
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- CN108613904A CN108613904A CN201810712684.6A CN201810712684A CN108613904A CN 108613904 A CN108613904 A CN 108613904A CN 201810712684 A CN201810712684 A CN 201810712684A CN 108613904 A CN108613904 A CN 108613904A
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- droplet measurement
- measurement device
- sample cell
- powder
- laser
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- 239000000843 powder Substances 0.000 title claims abstract description 65
- 238000005259 measurement Methods 0.000 title claims abstract description 62
- 238000000889 atomisation Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 49
- 238000004891 communication Methods 0.000 claims abstract description 30
- 239000012530 fluid Substances 0.000 claims abstract description 30
- 238000005070 sampling Methods 0.000 claims description 19
- 239000012895 dilution Substances 0.000 claims description 17
- 238000010790 dilution Methods 0.000 claims description 17
- 239000002245 particle Substances 0.000 abstract description 16
- 238000009826 distribution Methods 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 description 16
- 238000010992 reflux Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 230000005855 radiation Effects 0.000 description 8
- 229920002472 Starch Polymers 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 235000019698 starch Nutrition 0.000 description 4
- 239000008107 starch Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000012387 aerosolization Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
- B22F9/08—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
- B22F9/082—Making metallic powder or suspensions thereof using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying atomising using a fluid
Abstract
The present invention provides a kind of droplet measurement device and powder by atomization systems, it is related to powder by atomization technical field, droplet measurement device provided by the invention includes process pipe, into flow tube, return duct and sample cell, droplet measurement mechanism is equipped at sample cell, process pipe has arrival end and outlet end, sample cell has inlet port and outlet port, and with feed inlet by influent stream fluid communication, outlet end is in fluid communication with discharge port by return duct arrival end.Droplet measurement device provided by the invention alleviates in the related technology because nebulisation time is long, causes to be atomized the technical issues of later stage particle diameter distribution deviates desired value.
Description
Technical field
The present invention relates to powder by atomization technical fields, more particularly, to a kind of droplet measurement device and powder by atomization system.
Background technology
Powder used in 3D printing at present, injection moulding and the production of thin-film solar cells target has centainly grain size
Requirement, such as 3D printing generally use powder of the grain size at 15-55 μm, will be to production equipment and production beyond particle size range
Product generate certain influence.Most of powder be all after gas-atomized powder as screening or other hierarchical approaches obtained by.
Current gas-atomized powder machine is all to regulate optimal parameter, then carries out powder by atomization with optimal parameter.With
Aerosolization carries out, the variation of diversion pipe bore, atomization temperature variation, and atomization gas Parameters variation etc. various factors exists, Wu Fayi
Directly ensure that gas-atomized powder is in particle diameter distribution optimum state, especially large-scale gas-atomized powder equipment may be because of atomization
Overlong time causes atomization later stage particle diameter distribution to deviate desired value.
Invention content
The purpose of the present invention is to provide a kind of droplet measurement devices, to alleviate in the related technology because of nebulisation time mistake
It is long, it causes to be atomized the technical issues of later stage particle diameter distribution deviates desired value.
Droplet measurement device provided by the invention includes：Process pipe, into flow tube, return duct and sample cell, the sample
Chi Chu is equipped with droplet measurement mechanism, and there is the process pipe arrival end and outlet end, the sample cell to have feed inlet and go out
Material mouth, with the feed inlet by the influent stream fluid communication, the outlet end passes through the arrival end with the discharge port
The return duct is in fluid communication.
Further, the droplet measurement mechanism includes laser, condenser lens and photoelectric detector, the laser hair
The laser gone out is successively by the condenser lens, the sample cell and the photoelectric detector.
Further, the droplet measurement mechanism further includes the first reflective mirror and the second reflective mirror, and the laser is set to
The lower section of the condenser lens, first reflective mirror and second reflective mirror are set to the same side of the laser, described
The laser that laser is sent out is successively by first reflective mirror, second reflective mirror and the condenser lens.
Further, described to be equipped with inlet valve into flow tube.
Further, the droplet measurement device further includes feed pipe and discharge nozzle, the feed pipe respectively with it is described into
Flow tube and the feed inlet are in fluid communication, and the discharge nozzle is in fluid communication with the discharge port and the return duct respectively.
Further, the feed pipe is equipped with injector.
Further, the discharge nozzle is equipped with outlet valve.
Further, the droplet measurement device further includes supporting rod, the supporting rod respectively with the process pipe and
The sample cell connection.
Further, the droplet measurement device further includes sampling dilution tube, and the sampling dilution tube passes through the technique
Pipeline and the influent stream fluid communication.
The present invention also provides a kind of powder by atomization systems to cause mist to alleviate in the related technology because nebulisation time is long
Change the technical issues of later stage particle diameter distribution deviates desired value.
Powder by atomization system provided by the invention includes：Atomization chamber, main bunker for collecting, connecting pipe and the inspection of above-mentioned grain size
Device is surveyed, the atomization chamber, the process pipe of the droplet measurement device and the main bunker for collecting pass through the connecting pipe
Successively it is in fluid communication.
Droplet measurement device and metal pulverized coal preparation system provided by the invention, droplet measurement device include：Process pipe, influent stream
Pipe, return duct and sample cell are equipped with droplet measurement mechanism at sample cell, and process pipe has arrival end and outlet end, sample cell
With inlet port and outlet port, for arrival end with feed inlet by influent stream fluid communication, outlet end passes through return duct with discharge port
It is in fluid communication.Process pipe is in fluid communication with the connecting pipe in metal pulverized coal preparation system, and powder, which is conveyed through in journey, passes through technique
Pipeline, powder in process pipe can by entering sample cell into flow tube, the detection of droplet measurement mechanism by sample cell powder
Grain size, the powder by detection reenters process pipe by return duct, and continues to be fed forward, and avoids generating sampling damage
Consumption, compared with the relevant technologies, droplet measurement device provided by the invention can check the grain size of the powder of production in real time, reduce because of mist
The case where changing overlong time, atomization later stage particle diameter distribution is caused to deviate desired value occurs.
Description of the drawings
Technical solution in order to illustrate more clearly of the specific embodiment of the invention or in the related technology, below will be to specific
Attached drawing is briefly described needed in embodiment or description of Related Art, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of droplet measurement device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the droplet measurement mechanism of droplet measurement device provided in an embodiment of the present invention；
Fig. 3 is another structural schematic diagram of the droplet measurement mechanism of droplet measurement device provided in an embodiment of the present invention；
Fig. 4 is the structural representation of atomization subsystem processed provided in an embodiment of the present invention.
Icon：100- process pipes；110- supporting rods；120- influent stream connecting tubes；121- influent stream ferrule fittings；
130- reflux connecting tubes；131- reflux ferrule fittings；140- dilutes connecting tube；141- dilutes ferrule fitting；200- influent streams
Pipe；210- inlet valves；300- return ducts；400- sample cells；410- feed pipes；411- injectors；420- discharge nozzles；
421- outlet valves；510- lasers；511- laser radiation shells；520- condenser lenses；530- photoelectric detectors；531- is examined
Survey device protective shell；The first reflective mirrors of 540-；The second reflective mirrors of 550-；600- samples dilution tube；700- atomization chambers；800-
Main bunker for collecting；900- connecting pipes.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Droplet measurement device provided in an embodiment of the present invention includes：Process pipe 100, into flow tube 200,300 and of return duct
Sample cell 400, droplet measurement mechanism is equipped at sample cell 400, and process pipe 100 has arrival end and outlet end, sample cell 400
With inlet port and outlet port, for arrival end with feed inlet by being in fluid communication into flow tube 200, outlet end passes through reflux with discharge port
Pipe 300 is in fluid communication.
As shown in Figure 1, being fixed with influent stream connecting tube 120, process pipe on the side wall of the arrival end of process pipe 100
The side wall of 100 outlet end is fixed with reflux connecting tube 130, and influent stream connecting tube 120 and reflux connecting tube 130 are located at process duct
The axis of the same side in road 100, the axis of influent stream connecting tube 120 and the connecting tube 130 that flows back is mutually parallel, and and process pipe
100 axis is vertical；One end of the separate process pipe 100 of influent stream connecting tube 120 is equipped with influent stream ferrule fitting 121, into flow tube
200 are connect by influent stream ferrule fitting 121 with influent stream connecting tube 120, and the setting of influent stream ferrule fitting 121 facilitates will be into flow tube
200 are installed on influent stream connecting tube 120；One end of the separate process pipe 100 for the connecting tube 130 that flows back is equipped with reflux ferrule fitting
131, return duct 300 is connect by the ferrule fitting 131 that flows back with reflux connecting tube 130, and the setting of reflux ferrule fitting 131 is convenient
Return duct 300 is installed on reflux connecting tube 130.
It is equipped with starch absorbing device and sampling valve, sampling valve time opening and closing in into flow tube 200, when sampling valve is opened, inhales powder
Device sucks the powder in process pipe 100 into flow tube 200, and by entering sample cell 400 into flow tube 200；After completing sampling,
Sampling valve is closed.Sampling valve time opening and closing take sample with starch absorbing device cooperation self-timing.
Further, droplet measurement mechanism includes laser 510, condenser lens 520 and photoelectric detector 530, laser
510 laser sent out successively pass through condenser lens 520, sample cell 400 and photoelectric detector 530.
In some embodiments, as shown in Fig. 2, laser 510, condenser lens 520, sample cell 400 and photoelectric detector
530 are successively arranged, and the transmitting terminal of laser 510 is opposite with condenser lens 520.Powder passes through sample cell 400, and laser 510 is sent out
Going out laser beam, laser beam is pooled incident laser by condenser lens 520, the powder in incident laser radiation sample cell 400, according to
The diffraction principle of light, to carrying out granularity Detection by the shoot laser of powder, different size of particle is spread out photoelectric detector 530
The light penetrated is fallen in different positions, and bulky grain angle of diffraction is small, and little particle angle of diffraction is big, reflects particle according to location information
Size, the light with the particle institute diffraction of size are fallen in identical position, the percentage shared by the light intensity reaction particles of superposition.
Using the diffraction principle of light, laser 510, condenser lens 520 and photoelectric detector 530 coordinate, to sample cell 400
The grain size of middle powder is detected.
As another embodiment, droplet measurement mechanism further includes the first reflective mirror 540 and the second reflective mirror 550, is swashed
Light device 510 is set to the lower section of condenser lens 520, and the first reflective mirror 540 and the second reflective mirror 550 are set to the same of laser 510
Side, the laser that laser 510 is sent out successively pass through the first reflective mirror 540, the second reflective mirror 550 and condenser lens 520.
As shown in figure 3, the first reflective mirror 540 and the second reflective mirror 550 are set to laser 510 and condenser lens 520
Left side, the first reflective mirror 540 are located at the lower section of the second reflective mirror 550, the reflective surface of the first reflective mirror 540 respectively with laser
510 transmitting terminal and the second reflective mirror 550 are opposite, and are arranged in 135 degree of angles with the axis of condenser lens 520；Second reflective mirror
550 reflective surface is opposite with the first reflective mirror 540 and condenser lens 520 respectively, and is in 45 degree of angles with the axis of condenser lens 520
Setting.
The laser beam that laser 510 is sent out is propagated in the horizontal direction, by the first reflective mirror 540 reflective surface when, laser
Shu Gaiwei is upwardly propagated, by the second reflective mirror 550 reflective surface when, laser beam is changed to propagate to the right, i.e., to condenser lens 520
It propagates；Laser beam is pooled incident laser, the powder in incident laser radiation sample cell 400, Photoelectric Detection by condenser lens 520
Device 530 by the shoot laser of powder to carrying out granularity Detection.First reflective mirror 540 and the second reflective mirror 550 are set, can make to swash
Light device 510 is set to the lower section of condenser lens 520, reduces occupied space.
Further, it is equipped with inlet valve 210 into flow tube 200.Specifically, into the first end and influent stream connecting tube of flow tube 200
120 are in fluid communication, and second end and the sample cell 400 into flow tube 200 are in fluid communication, and inlet valve 210 is installed on into flow tube 200, is used
In controlling connection and closing into flow tube 200.When detecting powder diameter, inlet valve 210 is opened, and powder is made to enter sample cell 400
It is detected, when droplet measurement device stops detection, closes inlet valve 210, avoid sundries by entering sample cell into flow tube 200
400。
Further, droplet measurement device further includes feed pipe 410 and discharge nozzle 420, feed pipe 410 respectively with into flow tube
200 and feed inlet be in fluid communication, discharge nozzle 420 is in fluid communication with discharge port and return duct 300 respectively.
Specifically, feed pipe 410 and discharge nozzle 420 are linearly, the axis of the axis and discharge nozzle 420 of feed pipe 410
Line is overlapped with the axis of sample cell 400；The feed inlet of sample cell 400 be equipped with charging ferrule fitting, one end of feed pipe 410 with
Feed pipe 410 is in fluid communication, and the other end of feed pipe 410 is connect by charging cutting ferrule to be connect with sample cell 400, feeds ferrule fitting
Facilitate the connection and dismounting of feed pipe 410 and sample cell 400；The discharge port of sample cell 400 is equipped with discharging ferrule fitting, discharge nozzle
420 one end is connect with return duct 300, and the other end of discharge nozzle 420 is connect by the ferrule fitting that discharges with sample cell 400, is gone out
Material ferrule fitting facilitates the connection and dismounting of discharge nozzle 420 and sample cell 400.
Feed pipe 410 is set in the feed inlet of sample cell 400, makes the direction of motion of the powder before entering sample cell 400
It is identical as direction of motion when entering sample cell 400, to make motion stabilization of the powder in sample cell 400, avoid to detection
As a result it has an impact；Discharge nozzle 420 is set in the discharge port of sample cell 400, the powder flowed out from sample cell 400 continues straight line
Movement, avoids the direction of motion from changing, and generates powder accumulation, and then influence the movement of powder in sample cell 400.
Further, feed pipe 410 is equipped with injector 411.Specifically, injector 411 is installed on the separate of feed pipe 410
One end of sample cell 400, injector 411 are in fluid communication with into flow tube 200 and feed pipe 410 respectively.Into powder in flow tube 200 into
Enter injector 411, injector 411 makes powder disperse, and subsequently into sample cell 400, reduces powder when by sample cell 400
Lap improves accuracy in detection.
Further, be equipped with venturi valve in feed pipe 410, venturi valve be located at injector 411 and sample cell 400 it
Between, venturi valve be used for control feed pipe 410 for powder by sectional area size.When the powder that injector 411 sprays
When amount is more than the amount needed, venturi valve makes the sectional area of feed pipe 410 passed through for powder reduce, and reduces and enters sample cell
The amount of powder in 400；When the amount powder that injector 411 sprays is less than the amount needed, venturi valve increases 410 powder supply of feed pipe
End by sectional area, to increase the amount into powder in sample cell 400.
Further, discharge nozzle 420 is equipped with outlet valve 421.Specifically, the first end of discharge nozzle 420 connects with sample cell 400
It connects, the second end of discharge nozzle 420 is connect with return duct 300, and outlet valve 421 is installed on discharge nozzle 420, for controlling discharge nozzle
420 connection and closing, when detecting powder diameter, outlet valve 421 is opened, and the powder after being detected is entered by discharge nozzle 420
Return duct 300 when droplet measurement device stops detection, closes outlet valve 421, sundries is avoided to enter sample by discharge nozzle 420
Pond 400.
Further, droplet measurement device further includes supporting rod 110, supporting rod 110 respectively with process pipe 100 and sample
Pond 400 connects.
It is protected as shown in Figure 1, droplet measurement device provided in an embodiment of the present invention further includes laser radiation shell 511 and detector
Protective case 531, laser 510 are fixedly installed in inside laser radiation shell 511, and photoelectric detector 530 is fixedly installed in detector guarantor
The inside of protective case 531, laser radiation shell 511 and detector guard shell 531 are connect with sample cell 400；On laser radiation shell 511
Equipped with the laser exit for making laser beam project, detector guard shell 531 is equipped with the light entered for the light of diffraction and enters
Mouthful.
Between process pipe 100 and sample cell 400, the length direction of supporting rod 110 is connect supporting rod 110 with influent stream
Pipe 120 is parallel with the reflux length direction of connecting tube 130, and the first end of supporting rod 110 is fixed with the side wall of process pipe 100 to be connected
It connects, the second end of supporting rod 110 is connect with sample cell 400.Supporting rod 110 supports sample cell 400, laser radiation shell 511 and inspection
Device protective shell 531 is surveyed, stability when detection is improved.
Further, droplet measurement device further includes sampling dilution tube 600, and sampling dilution tube 600 passes through process pipe 100
It is in fluid communication with into flow tube 200.
As shown in Figure 1, the arrival end of process pipe 100 is equipped with the dilution connecting tube being in fluid communication with process pipe 100
140, dilution connecting tube 140 is located at the both sides of process duct with influent stream connecting tube 120, dilutes the first end and technique of connecting tube 140
The side wall of pipeline 100 is fixedly connected, and the second end of dilution connecting tube 140 is equipped with dilution ferrule fitting 141, samples dilution tube 600
It is connected to dilution connecting tube 140 by diluting ferrule fitting 141, dilution ferrule fitting 141 facilitates sampling dilution tube 600 and dilution
The connection and dismounting of connecting tube 140, the one end of sampling dilution tube 600 far from process pipe 100 can connect starch absorbing device.
When need to take the powder in process pipe 100, starch absorbing device is opened, by sampling dilution tube 600 from process pipe 100
Therefore interior drawing powder, will not reduce powder production rate without making atomization plant shut down.
The embodiment of the present invention also provides a kind of powder by atomization system, including：Atomization chamber 700, main bunker for collecting 800, connection
Pipeline 900 and above-mentioned droplet measurement device, atomization chamber 700, the process pipe 100 of droplet measurement device and main bunker for collecting
800 are successively in fluid communication by connecting pipe 900.
As shown in figure 4, droplet measurement device is between atomization chamber 700 and main bunker for collecting 800, process pipe 100 with
Connecting pipe 900 is connected to.Manufactured powder is delivered to main bunker for collecting 800 by connecting pipe 900 in atomization chamber 700, passes through
When process pipe 100, by entering sample cell 400 into flow tube 200, laser 510 passes through with the cooperation detection of photoelectric detector 530
The powder diameter of sample cell 400, powder by detection reenter process pipe 100 by return duct 300, and continue by
Before be delivered to main bunker for collecting 800, avoid generate sampling loss.
Further, powder by atomization system provided in an embodiment of the present invention further includes control terminal, control terminal and grain size
Detection device signal connects, and testing result is delivered to control terminal by droplet measurement device in real time, and operating personnel can pass through control
Terminal processed observes testing result, adjusts the parameter of atomization plant according to testing result, avoids atomization later stage particle diameter distribution from deviateing pre-
Time value.
Droplet measurement device and metal pulverized coal preparation system provided in an embodiment of the present invention, droplet measurement device include：Process duct
Road 100, into flow tube 200, return duct 300 and sample cell 400, droplet measurement mechanism, process pipe 100 are equipped at sample cell 400
With arrival end and outlet end, sample cell 400 has inlet port and outlet port, and arrival end is with feed inlet by being flowed into flow tube 200
Body is connected to, and outlet end is in fluid communication with discharge port by return duct 300.Process pipe 100 and the connection in metal pulverized coal preparation system
Pipeline 900 is in fluid communication, and powder, which is conveyed through in journey, passes through process pipe 100, and the powder in process pipe 100 can pass through influent stream
Pipe 200 enters sample cell 400, and the detection of droplet measurement mechanism passes through by the powder diameter of sample cell 400 by the powder of detection
Return duct 300 reenters process pipe 100, and continues to be fed forward, and avoids generating sampling loss, with the relevant technologies phase
Than droplet measurement device provided in an embodiment of the present invention can check the grain size of the powder of production in real time, reduce because of nebulisation time mistake
It is long, it causes to occur the case where being atomized later stage particle diameter distribution deviation desired value.
According to the above embodiment of the present invention, the grain size of powder can be monitored in real time, particle diameter distribution is caused in long-time production
When deviateing desired value, testing result can be sent to control terminal in real time, and operating personnel can be by the inspection read from control terminal
The operating parameter that result adjusts atomization plant in time is surveyed, the case where particle diameter distribution deviates desired value is reduced；Due to the skill of the present invention
Art scheme is by the way of on-line checking grain size, therefore detecting step is few, and detection time is short, and will not waste powder sample,
Sampling is avoided to be lost；In addition, also due to being on-line checking, while detecting grain size, it is not necessary to so that atomization plant is shut down,
Therefore, powder production rate will not be reduced.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of droplet measurement device, which is characterized in that including：Process pipe, into flow tube, return duct and sample cell, the sample
Product Chi Chu be equipped with droplet measurement mechanism, the process pipe have arrival end and outlet end, the sample cell have feed inlet and
Discharge port, for the arrival end with the feed inlet by the influent stream fluid communication, the outlet end is logical with the discharge port
The return duct is crossed to be in fluid communication.
2. droplet measurement device according to claim 1, which is characterized in that the droplet measurement mechanism include laser,
Condenser lens and photoelectric detector, the laser that the laser is sent out is successively by the condenser lens, the sample cell and institute
State photoelectric detector.
3. droplet measurement device according to claim 2, which is characterized in that the droplet measurement mechanism further includes first anti-
Light microscopic and the second reflective mirror, the laser are set to the lower section of the condenser lens, and first reflective mirror and described second is instead
Light microscopic is set to the same side of the laser, and laser that the laser is sent out is successively by first reflective mirror, described the
Two reflective mirrors and the condenser lens.
4. droplet measurement device according to claim 1, which is characterized in that described to be equipped with inlet valve into flow tube.
5. droplet measurement device according to claim 1, which is characterized in that the droplet measurement device further includes feed pipe
And discharge nozzle, the feed pipe are in fluid communication with described into flow tube and the feed inlet respectively, the discharge nozzle respectively with it is described
Discharge port and the return duct are in fluid communication.
6. droplet measurement device according to claim 5, which is characterized in that the feed pipe is equipped with injector.
7. droplet measurement device according to claim 5, which is characterized in that the discharge nozzle is equipped with outlet valve.
8. droplet measurement device according to claim 1, which is characterized in that the droplet measurement device further includes support
Bar, the supporting rod are connect with the process pipe and the sample cell respectively.
9. droplet measurement device according to claim 1, which is characterized in that the droplet measurement device further includes that sampling is dilute
Pipe is released, the sampling dilution tube passes through the process pipe and the influent stream fluid communication.
10. a kind of powder by atomization system, which is characterized in that including：Atomization chamber, main bunker for collecting, connecting pipe and claim
1-9 any one of them droplet measurement devices, the atomization chamber, the process pipe of the droplet measurement device and the main receipts
Aggregate bin is successively in fluid communication by the connecting pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712684.6A CN108613904A (en) | 2018-06-29 | 2018-06-29 | Droplet measurement device and powder by atomization system |
| PCT/CN2019/090972 WO2020001275A1 (en) | 2018-06-29 | 2019-06-12 | Particle size detection device, atomization powder-making system and atomization powder-making method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712684.6A CN108613904A (en) | 2018-06-29 | 2018-06-29 | Droplet measurement device and powder by atomization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108613904A true CN108613904A (en) | 2018-10-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810712684.6A Pending CN108613904A (en) | 2018-06-29 | 2018-06-29 | Droplet measurement device and powder by atomization system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108613904A (en) |
| WO (1) | WO2020001275A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020001275A1 (en) * | 2018-06-29 | 2020-01-02 | 米亚索乐装备集成（福建）有限公司 | Particle size detection device, atomization powder-making system and atomization powder-making method |
| CN111360275A (en) * | 2018-12-26 | 2020-07-03 | 中国科学院宁波材料技术与工程研究所 | Intelligent control adjusting device for powder spheroidizing control |
| CN112730274A (en) * | 2020-12-21 | 2021-04-30 | 上海交通大学 | Equipment for simulating gas atomization powder preparation process and in-situ observation system and observation method thereof |
| CN112881245A (en) * | 2021-01-25 | 2021-06-01 | 苏州胤煌精密仪器科技有限公司 | Gap-adjustable sample flow cell structure for image method |
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| CN112730274A (en) * | 2020-12-21 | 2021-04-30 | 上海交通大学 | Equipment for simulating gas atomization powder preparation process and in-situ observation system and observation method thereof |
| CN112730274B (en) * | 2020-12-21 | 2022-01-11 | 上海交通大学 | Equipment for simulating gas atomization powder preparation process and in-situ observation system and observation method thereof |
| CN112881245A (en) * | 2021-01-25 | 2021-06-01 | 苏州胤煌精密仪器科技有限公司 | Gap-adjustable sample flow cell structure for image method |
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