CN109916814A - For solid particle ermal physics/chemistry visualization and spectral measurement device and method - Google Patents
For solid particle ermal physics/chemistry visualization and spectral measurement device and method Download PDFInfo
- Publication number
- CN109916814A CN109916814A CN201910203262.0A CN201910203262A CN109916814A CN 109916814 A CN109916814 A CN 109916814A CN 201910203262 A CN201910203262 A CN 201910203262A CN 109916814 A CN109916814 A CN 109916814A
- Authority
- CN
- China
- Prior art keywords
- particle
- reaction cavity
- heating unit
- visualization
- particle suspension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses one kind for solid particle ermal physics/chemistry visualization and spectral measurement device and method.Described device includes reaction cavity, pumping/gas handling system, particle suspension, particle sampling system, mobile heating unit, temperature control system and optical measuring system.Described device makes reaction cavity and particle suspension form pressure difference using vacsorb principle, small solid individual particle is hung on into response location, ensure that solid particle is much smaller than the central cross-section of particle with the contact area that particle is hung, so that homogenous gas-phase environment is formed around small solid individual particle, to realize the research of the ermal physics to small solid individual particle/heat chemistry change procedure.
Description
Technical field
The invention belongs to the energy, environment, chemical field, in particular it relates to it is a kind of for solid particle ermal physics/
Chemistry visualization and spectral measurement device and method；More specifically, being visual for small solid individual particle ermal physics/heat chemistry
The device and method of change and spectral measurement.
Technical background
Fluidization have become coal, biomass, solid waste high-efficiency cleaning utilize in key technology.By will be big
The solid coal of block, biomass, solid waste are ground into millimeter or even micron-sized minute solid particles, enable to be suspended in
Among the fluid of movement, and the movement using air current composition minute solid particles in a fluidized bed, uniform reaction atmosphere is formed,
To achieve the purpose that improve transformation efficiency, reduce pollutant and nuisance generation.And the development of fluidization there is an urgent need to
Carry out deep ermal physics/thermo-chemical model to small solid individual particle, especially visualization and spectral investigation.
Currently, small solid individual particle ermal physics/thermo-chemical model, which mainly uses, falls formula reactor, plate-type reactor
Deng.Wherein, falling formula reactor can be used for ermal physics to single solid particle/heat chemistry change procedure and carries out visualization to grind
Study carefully, but since solid particle is kept in motion always, be both difficult to that spectrum is combined to analyze surface and surrounding gas-phase product,
Also it is difficult to that high-resolution micro imaging method is combined finely to measure small solid individual particle；Plate-type reactor (including earthenware
Crucible formula reactor) it can be used for the ermal physics to small solid individual particle/heat chemistry change procedure development visual research, but a side
On the other hand face causes since the presence of wall surface causes spectrographic technique to be difficult to access since solid particle must be placed on bottom plate
As a result it is influenced by the gentle phase boundray condition of complicated wall surface, and solid particle its posture in thermal histories easily changes,
Therefore it is difficult to obtain effective and practical data.
Due to the presence of these problems, currently there is an urgent need to one kind can be used for simultaneously small solid individual particle ermal physics/
The device and method of heat chemistry visualization and spectral measurement.
Summary of the invention
In order to overcome the above problem, the purpose of the present invention is to provide one kind can be used for small solid individual particle heat simultaneously
The device and method of physics/heat chemistry visualization and spectral measurement.
The present invention provides a kind of for the visualization of small solid individual particle ermal physics/heat chemistry and the dress of spectral measurement
It sets, described device includes reaction cavity, pumping/gas handling system, particle suspension, particle sampling system, mobile heating dress
It sets, temperature control system and optical measuring system；
The side of the reaction cavity is provided with form, and ermal physics/heat of small solid individual particle is realized for light transmission
Chemistry visualization and spectral measurement；
The particle suspension includes particle suspension arrangement；Wherein, the particle suspension arrangement is located in reaction cavity
Portion, and the top of reaction cavity is fixed in the upper end of the particle suspension arrangement, lower end is suspended in the lower half conduct of reaction cavity
The response location of solid particle；
Pumping/the gas handling system includes extract system and gas handling system；The extract system both with particle suspension
Device connection, also connect with reaction cavity；The gas handling system is connect with reaction cavity；
The mobile heating unit is located inside reaction cavity and can be connected to reaction up or down by a guide rail
The top of cavity；Opening corresponding with the form of reaction cavity side is provided on the side of the mobile heating unit,
Ermal physics/heat chemistry visualization and the spectral measurement of small solid individual particle are realized for light transmission；The mobile heating dress
The top and bottom set are respectively arranged with opening, are respectively used to particle suspension and particle sample introduction；The mobile heating unit can
It is moved up and down along guide rail；
The temperature control system is connect with the mobile heating unit, for controlling the temperature of mobile heating unit
Degree；
The particle sampling system is removably connect with the bottom of reaction cavity, and is located at outside reaction cavity, is used for
Solid particle is provided into reaction cavity；
The optical measuring system is arranged in the position for corresponding to the form of reaction cavity side, and is located at reaction chamber
Outside body；For obtaining the information of small solid individual particle ermal physics/heat chemistry visualization and spectrum.
In another preferred example, there are four forms for the side setting of the reaction cavity.
In another preferred example, four forms are divided into two groups, and two forms are two form edges in one group, one group
Reaction cavity diameter it is positioned opposite, another group of two forms are positioned opposite also along the diameter of reaction cavity；Two groups of views
Window is in vertical distribution.
In another preferred example, in four forms, a form is used as laser light incident window, cloth opposite with the form
The form set is used as backlight and shoots window；In another two form, a form is used as self-luminous and shoots window, another form is used
Make fluorescence shooting window.
In another preferred example, the form is fixed by the side of flange and reaction cavity.
In another preferred example, the particle suspension arrangement is connected by the top of flange and reaction cavity.
In another preferred example, the particle sampling system is removably attached by the bottom of flange and reaction cavity.
In another preferred example, the particle suspension also includes fixed mechanism, by the fixed mechanism by particle
Suspension arrangement is fixed on the top of reaction cavity.
In another preferred example, the particle suspension arrangement is capillary.
In another preferred example, the lower end of the particle suspension arrangement is the response location of solid particle.The reaction position
It sets corresponding with the form of reaction cavity side.
In another preferred example, the extract system is used to extract out the gas in particle suspension arrangement or is used for extraction
The intracorporal gas of chamber.
In another preferred example, the extract system includes air extractor and gas piping.
In another preferred example, the air extractor is vacuum pump.
In another preferred example, the gas handling system includes inlet duct and pressure-detecting device.
In another preferred example, the pressure-detecting device is for detecting reaction cavity internal gas pressure and controlling whether
Tonifying Qi inside to reaction cavity.
In another preferred example, the inlet duct is used for tonifying Qi inside reaction cavity.
In another preferred example, the inlet duct is pressure gas cylinder.
In another preferred example, before measurement starts, the mobile heating unit is located at the top of reaction cavity；Start to survey
When amount, the mobile heating unit is fast moved along guide rail to the lower end of particle suspension arrangement, and is surrounded and be suspended on particle
The solid particle of suspension arrangement lower end.
In another preferred example, the mobile heating unit is connect with stepper motor, and the stepper motor is for controlling
The mobile heating unit can be moved up and down along guide rail.
In another preferred example, the mobile heating unit is Moveable electric-heating furnace.
In another preferred example, the temperature control system includes heating power supply, temperature controller and thermocouple.
In another preferred example, the optical measuring system includes micro optical system and laser induced fluorescence system.
In another preferred example, the optical measuring system includes two sets of micro optical systems and a set of laser induced fluorescence
System.
In another preferred example, in two sets of micro optical systems, a set of micro optical system is shot former using backlight
Reason obtains solid particulate form change information；Another set of micro optical system is for obtaining in solid particle heat chemistry change procedure
Spontaneous optical information.
In another preferred example, the laser induced fluorescence system is PLIF system；The PLIF system is for obtaining gas
The information of phase product (species and/or concentration).
In another preferred example, the PLIF system is made of Nd:YAG laser, optical mirror slip group, high-resolution camera,
For obtaining the information of gas-phase product (species and/or concentration).
In another preferred example, described device further includes computer system, and the computer system is for controlling the dress
The operation of each system in setting, and the information of optical measuring system acquisition can be provided.
The present invention also provides a kind of for the visualization of small solid individual particle ermal physics/heat chemistry and the side of spectral measurement
Method, the method utilize above-mentioned apparatus；And it the described method comprises the following steps:
Step 1: opening the power supply of described device；
Step 2: opening extract system, after the gas of extraction inside cavity, close extract system；Then pass through air inlet
System is filled with gas into reaction cavity to specified pressure；
Step 3: particle sampling system is connected to the bottom of reaction cavity；By particle sampling system by small solid
Grain is delivered to the lower section of particle suspension；Then extract system is opened, the gas inside particle suspension arrangement is extracted out, so that instead
It answers and forms pressure differential environment inside inside cavity and particle suspension arrangement, so that small solid individual particle is hung on particle suspension dress
The lower end set；Then particle sampling system is removed；
Step 4: after mobile heating unit is heated to assigned temperature by temperature control system, mobile heating unit
It is fast moved from the top of reaction cavity along guide rail to the lower end of particle suspension arrangement and encirclement is suspended on particle suspension arrangement
The solid particle of lower end, and open simultaneously optical measuring system carry out the visualization of small solid individual particle ermal physics/heat chemistry and
Spectral measurement, to obtain small solid individual particle ermal physics/heat chemistry visualization and spectral information；
Step 5: after measurement, closing extract system and re-move mobile heating unit to the top of reaction cavity
Portion.
In another preferred example, step 5 are as follows: after measurement, repeat step 2,3,4, at different conditions, carry out small
Solid individual particle ermal physics/heat chemistry visualization and spectral measurement.
Advantages of the present invention specifically includes that
The device of the invention solves small solid individual particle using particle suspension arrangement and the intracorporal pressure difference of reaction chamber
The fixation problem of (especially micron order solid individual particle).In addition, the device of the invention is using mobile heating unit to solid
Particle carries out the homogenous gas-phase for the boundary condition that heating ensure that around small solid individual particle；To realize to small solid
The visualization of body individual particle ermal physics/heat chemistry change procedure and spectral measurement.
It should be understood that above-mentioned each technical characteristic of the invention and having in below (eg embodiment) within the scope of the present invention
It can be combined with each other between each technical characteristic of body description, to form a new or preferred technical solution.As space is limited, exist
This no longer tires out one by one states.
Detailed description of the invention
Fig. 1 is the schematic diagram of a device of the invention.
Fig. 2 is the schematic diagram of a preferred embodiment of the invention.
Fig. 3 is the schematic diagram of the suspension type fixing means of solid particle in apparatus of the present invention.
1: particle suspension arrangement；2: reaction cavity；3: mobile heating unit；4: response location；5: form or flange；6:
Flange；7: flange；8: light incident system；9: camera system；10: solid particle sample injector；11: air extractor；12: temperature control
System；13: pressure control device；14: inlet duct；151: valve member；152: valve member；153: valve member；16: light
Learn component；17: computer system；81: backlight volumetric laser incidence mount；82:PLIF piece laser light incident device；91:PLIF high speed
Camera；92: backlight high speed camera；93: self-luminous high-speed camera.
Specific embodiment
Herein, for the purpose for illustrating various open embodiments, certain details are elaborated, in order to various public affairs
Open the thorough understanding of embodiment.But those skilled in the relevant arts will be appreciated that can not have one in these details
Or the case where multiple details, gets off to practice embodiment.Under other circumstances, well known device associated with this application, structure and
Technology may not be illustrated in detail or describe, to avoid the description for unnecessarily obscuring embodiment.
Unless context has other needs, and herein, word " comprising " and its modification, such as "comprising" and " having " Ying Beili
Solution is meaning that is open, including, that is, should be interpreted that " including, but are not limited to ".
Herein, the in conjunction with the embodiments described specific spy of expression is referred to " embodiment " or " another embodiment "
Point, structure or feature are included at least one embodiment.Therefore, " in one embodiment " or " in another embodiment in text
In " appearance without all referring to identical embodiment.In addition, certain features, structure or feature can be in one or more embodiments
It combines in any way.
The singular as used in the specification and appended " one " and " described " include plural object, are removed
It is clearly dictated otherwise in non-text.
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In the following examples, the experimental methods for specific conditions are not specified, usually according to conventional strip
Part, or according to the normal condition proposed by manufacturer.
The device for being used for small solid individual particle ermal physics/heat chemistry visualization and spectral measurement of the invention.
Fig. 1 and Fig. 2 is the schematic diagram of device of the present invention.Described device includes reaction cavity 2, pumping/air inlet system
System, particle suspension, particle sampling system 10, mobile heating unit 3, temperature control system 12 and optical measuring system.
The side of the reaction cavity 2 is provided with form 5, for light transmission with realize the ermal physics of small solid individual particle/
Heat chemistry visualization and spectral measurement.
The reaction cavity 2 is cylindrical shape.Barrel can have two layers, and full cooling water can be filled between two layers of barrel, with
Prevent barrel from overheating.The reaction cavity is made of stainless steel.The reaction cavity can be high pressure resistant.
It is fixed on the reaction cavity 2 that there are six flanges.Flange 6 is fixed on the top of reaction cavity, for fixing particle
Suspension.Flange 7 is fixed on the bottom of reaction cavity, for being equipped with particle sampling system, allows to do not dismantling instead
Particle is supplemented in the case where answering cavity, to improve conventional efficient.Remaining four flange 5 is fixed on reaction cavity side, for quartz
Form flange, for light transmission to realize small solid individual particle ermal physics/heat chemistry visualization and spectral measurement.It is fixed on side
Four flanges can be divided into two groups, two flanges be two flanges in one group, one group along the diameter of reaction cavity with respect to cloth
It sets, another group of two flanges are positioned opposite also along the diameter of reaction cavity；Two groups of flanges are in vertical distribution.Wherein, one
Flange is used as light incident window, and excess-three flange is used as shooting window；It is used as back with light incident window flange positioned opposite
Photo-beat takes the photograph window (such as being shot with backlight high speed camera)；In other two flange, a flange is used as fluorescence and shoots window
Mouthful (such as planar laser-induced fluorescence (PLIF) shooting window, such as shot with PLIF high speed camera), another flange
Window (such as being shot with self-luminous high-speed camera) is shot as self-luminous.
Herein, backlight shooting window can be used for obtaining solid particle forms change information.
Herein, self-luminous shooting window can be used for obtaining the letter of the self-luminous in solid particle heat chemistry change procedure
Breath.
In the text, fluorescence shooting window can be used for obtaining gas-phase product information (such as gas-phase product concentration, amount or
The information of species).
The particle suspension includes particle suspension arrangement 1；Wherein, the particle suspension arrangement is located in reaction cavity
Portion, and the top of reaction cavity is fixed in the upper end of the particle suspension arrangement, lower end is suspended in the lower half conduct of reaction cavity
The response location of solid particle.The particle suspension further includes fixed mechanism.The upper end of the particle suspension arrangement passes through
The connection of the top of fixed mechanism and reaction cavity.In order to effectively hang small solid individual particle, need to hang dress in the particle
Middle formation low pressure (even vacuum) environment is set, to fix using the pressure differential environment of particle suspension arrangement and reaction cavity micro-
Small solid individual particle.Specifically, low pressure or vacuum will be formed in the particle suspension arrangement using extract system, so as to react
Pressure differential environment is formed in cavity, for (i.e. solid particle is anti-for lower end that solid particle is hung on to particle suspension arrangement
Answer position 4) and for supplementing solid particle after each experiment.Particle and the contact area of particle suspension arrangement lower end are far small
In the central cross-section (as shown in Figure 3) of particle, to ensure that the boundary condition of particle homogenous gas-phase condition can be equivalent to.
Pumping/the gas handling system includes extract system 11 and gas handling system.The extract system and particle suspension arrangement
It is connected with reaction cavity.The extract system includes air extractor (such as vacuum pump).The extract system is for extracting particle out
Gas in suspension arrangement or for the intracorporal gas of extraction chamber (such as exhaust gas after reacting).The air extractor passes through gas
Pipeline is connect with reaction cavity or particle suspension arrangement.Valve member 151,152 is provided on gas piping.Valve member 151
It is arranged on the gas piping that air extractor is connect with reaction cavity；The setting of valve member 152 is hung in air extractor and particle
On the gas piping of device connection.It specifically, can be by exhaust gas after vacuum pump extraction, to prevent residual gas from interfering.Institute
Gas handling system is stated to connect with reaction cavity.The gas handling system includes inlet duct 14 and pressure control device 13.The pressure
Control device is connect with reaction cavity by pressure signal route.The pressure control device is for detecting the intracorporal pressure of reaction chamber
Power simultaneously controls whether the tonifying Qi into reaction cavity.The inlet duct is connect with reaction cavity by gas piping.The gas
Valve member 153 is provided on pipeline.The inlet duct is used for the tonifying Qi into reaction cavity and (such as is filled with fresh noble gas or sky
Gas).
The mobile heating unit 3 is located inside reaction cavity and can be connected to reaction up or down by a guide rail
The top of cavity；It is provided on the side of the mobile heating unit corresponding with the flange of reaction cavity side or form
Opening realizes ermal physics/heat chemistry visualization and the spectral measurement of small solid individual particle for light transmission.The movable type adds
Thermal is connect with stepper motor, and the stepper motor moves down on the guide rail for controlling the mobile heating unit
It is dynamic.
The mobile heating unit is made of heater strip, ceramic wafer and refractory brick.The mobile heating unit is fixed
On guide rail, and it can be slided up and down under the control of stepper motor along guide rail.
There are six openings for setting in the mobile heating unit.The side of mobile heating unit is arranged in four openings
Face, it is corresponding with the flange or form for being fixed on reaction cavity side, for light transmission to realize spectral measurement.Two opening difference
The top and bottom of mobile heating unit are set, particle suspension and particle sample introduction are respectively used to.
The temperature control system 12 is connect by temperature signal route with the mobile heating unit, is moved for controlling
The temperature of dynamic formula heating device.The temperature control system includes heating power supply, temperature controller and thermocouple.
When not carrying out small solid individual particle ermal physics/heat chemistry visualization and spectral measurement, the mobile heating
Device is located at the top of reaction cavity；After mobile heating unit is heated to reaction condition by heating power supply, and start small
When solid individual particle ermal physics/heat chemistry visualization and spectral measurement, which quickly moves down along guide rail
To particle suspension arrangement lower end (i.e. response location 4) and surround and be suspended on the solid particle of particle suspension arrangement lower end, with
Homogenous gas-phase thermal environment is quickly formed around solid particle.During heating, movable type is added using temperature controller and thermocouple
Thermal is controlled in set temperature.
The particle sampling system 10 is removably connect with the bottom of reaction cavity, and is located at outside reaction cavity, is used
In providing solid particle into reaction cavity.The particle sampling system in solid particle sample feeding pipe road direction reaction cavity by mentioning
For solid particle.
The optical measuring system includes light incident system 8 and camera system 9.The light incident system is arranged in light incidence
At window；Camera system is arranged at shooting window.The incidence system 8 includes backlight volumetric laser incidence mount 81 or PLIF piece
Laser light incident device 82.All parts can be connected by optical module 16 in the incidence system 8.The camera system can be three
Cover camera system.E.g., including PLIF high speed camera 91, backlight high speed camera 92 and self-luminous high-speed camera 93.The optics
Measuring system includes micro optical system and laser induced fluorescence (PLIF) system.Preferably, the optical measuring system includes
Two sets of micro optical systems and a set of laser induced fluorescence (PLIF) system.All parts pass through light in the optical measuring system
Signal line connection.In two sets of micro optical systems, a set of micro optical system obtains solid using backlight shooting principle
Grain shape situation of change.Specifically, light source is provided by backlight volumetric laser, is changed by high-resolution cameras record solid particulate form
Situation.Another set of micro optical system is used to record the spontaneous optical information in particle heat chemistry change procedure.Specifically, high score is used
Distinguish the cameras record spontaneous optical information.The PLIF system is made of Nd:YAG laser, optical mirror slip group, high-resolution camera,
For recording the situation of change of gas-phase product (species and/or concentration).
Described device also includes computer system 17, for controlling the operation of each system in described device, and can be mentioned
For measurement result.The computer system is connect by control signal lines with each system.
The method for being used for small solid individual particle ermal physics/heat chemistry visualization and spectral measurement of the invention.
The method utilizes of the present invention for small solid individual particle ermal physics/heat chemistry visualization and spectrum survey
The device of amount；It the described method comprises the following steps:
Step 1: opening the power supply of described device；
Step 2: opening the valve of extract system, after the gas of extraction inside cavity, close the valve of extract system；
Then the valve for opening gas handling system, gas is filled with by gas handling system to specified pressure into reaction cavity；
Step 3: particle sampling system is connected to the bottom of reaction cavity；By particle sampling system by small solid
Grain is sent to the lower section of particle suspension；Then the valve for opening extract system, extracts the gas (example inside particle suspension arrangement out
Such as to vacuum) so that pressure differential environment is formed inside reaction cavity and inside particle suspension arrangement, thus by small solid individual particle
Hang on the lower end of particle suspension arrangement；Then particle sampling system is removed；
Step 4: after mobile heating unit is heated to assigned temperature by temperature control system, mobile heating unit
It is fast moved from the top of reaction cavity along guide rail to the lower end of solid particle device and encirclement is suspended on particle suspension arrangement
The solid particle of lower end, and open simultaneously optical measuring system carry out the visualization of small solid individual particle ermal physics/heat chemistry and
Spectral measurement, to obtain small solid individual particle ermal physics/heat chemistry visualization and spectral information；
Step 5: after measurement, closing the valve of extract system, and mobile heating unit is re-moved to reaction
The top of cavity.
In another preferred example, step 5 are as follows: after measurement, step 2,3,4 are repeated, to measure solid particle in difference
Under the conditions of ermal physics/thermochemical process.
In another preferred example, the unlatching optical measuring system includes opening light incident system and camera system.
After completing all experiments, closing temperature control system is extracted out pipeline and reaction cavity gas using extract system
(such as to vacuum), then to closing all valves connecting with reaction cavity after being filled with air or inert gas in reaction cavity
Door.Finally, saving experimental data and closing described device.
Although above in conjunction with figure, invention has been described, and the invention is not limited to above-mentioned specific embodiment parties
Formula, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are in this hair
Under bright enlightenment, without deviating from the spirit of the invention, many variations can also be made, these belong to guarantor of the invention
Within shield.
Claims (10)
1. a kind of for the visualization of small solid individual particle ermal physics/heat chemistry and the device of spectral measurement, which is characterized in that institute
Stating device includes reaction cavity, pumping/gas handling system, particle suspension, particle sampling system, mobile heating unit, temperature
Spend control system and optical measuring system；
The side of the reaction cavity is provided with form, and ermal physics/heat chemistry of small solid individual particle is realized for light transmission
Visualization and spectral measurement；
The particle suspension includes particle suspension arrangement；Wherein, the particle suspension arrangement is located inside reaction cavity, and
The top of reaction cavity is fixed in the upper end of the particle suspension arrangement, lower end is suspended in the lower half of reaction cavity as solid
The response location of grain；
Pumping/the gas handling system includes extract system and gas handling system；The extract system both with particle suspension system apparatus
Connection, also connect with reaction cavity；The gas handling system is connect with reaction cavity；
The mobile heating unit is located inside reaction cavity and can be connected to reaction cavity up or down by a guide rail
Top；It is provided with opening corresponding with the form of reaction cavity side on the side of the mobile heating unit, is used for
Light transmission is to realize the ermal physics of small solid individual particle/heat chemistry visualization and spectral measurement；The mobile heating unit
Top and bottom are respectively arranged with opening, are respectively used to particle suspension and particle sample introduction；The mobile heating unit can be along
Guide rail moves up and down；
The temperature control system is connect with the mobile heating unit, for controlling the temperature of mobile heating unit；
The particle sampling system is removably connect with the bottom of reaction cavity, and is located at outside reaction cavity, is used for anti-
It answers and solid particle is provided in cavity；
The optical measuring system is arranged in the position for corresponding to the form of reaction cavity side, and is located at outside reaction cavity
Portion；For obtaining the information of small solid individual particle ermal physics/heat chemistry visualization and spectrum.
2. device as described in claim 1, which is characterized in that the extract system is used to extract the gas in particle suspension arrangement out
Body is used for the intracorporal gas of extraction chamber.
3. device as described in claim 1, which is characterized in that the gas handling system includes inlet duct and pressure detecting dress
It sets.
4. device as described in claim 1, which is characterized in that before measurement starts, the mobile heating unit is located at reaction
The top of cavity；When starting measurement, the mobile heating unit is fast moved along guide rail to the lower end of particle suspension arrangement,
And surround the solid particle for being suspended on particle suspension arrangement lower end.
5. device as described in claim 1, which is characterized in that the optical measuring system includes micro optical system and laser
Induced fluorescence system.
6. device as claimed in claim 5, which is characterized in that the optical measuring system include two sets micro optical systems with
A set of laser induced fluorescence system.
7. device as claimed in claim 6, which is characterized in that in two sets of micro optical systems, a set of microoptic system
System obtains solid particulate form change information using backlight shooting principle；Another set of micro optical system is for obtaining solid particle
Spontaneous optical information in heat chemistry change procedure.
8. device as described in claim 1, which is characterized in that described device further includes computer system, the department of computer science
The operation united for controlling each system in described device, and the information of optical measuring system acquisition can be provided.
9. a kind of for the visualization of small solid individual particle ermal physics/heat chemistry and the method for spectral measurement, which is characterized in that institute
It states method and utilizes device described in claim 1；And it the described method comprises the following steps:
Step 1: opening the power supply of described device；
Step 2: opening extract system, after the gas of extraction inside cavity, close extract system；Then pass through gas handling system
Gas is filled with into reaction cavity to specified pressure；
Step 3: particle sampling system is connected to the bottom of reaction cavity；It is by particle sampling system that minute solid particles are defeated
It send to the lower section of particle suspension；Then extract system is opened, the gas inside particle suspension arrangement is extracted out, by small solid
Individual particle hangs on the lower end of particle suspension arrangement；Then particle sampling system is removed；
Step 4: after mobile heating unit is heated to assigned temperature by temperature control system, mobile heating unit is from anti-
Answer that the top of cavity is fast moved along guide rail to the lower end of particle suspension arrangement and encirclement is suspended on particle suspension arrangement lower end
Solid particle, and open optical measuring system simultaneously and carry out the visualization of small solid individual particle ermal physics/heat chemistry and spectrum
Measurement, to obtain small solid individual particle ermal physics/heat chemistry visualization and spectral information；
Step 5: after measurement, closing extract system and re-move mobile heating unit to the top of reaction cavity.
10. method as claimed in claim 9, which is characterized in that step 5 are as follows: after measurement, step 2,3,4 are repeated, not
With under the conditions of, small solid individual particle ermal physics/heat chemistry visualization and spectral measurement are carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203262.0A CN109916814B (en) | 2019-03-18 | 2019-03-18 | Device and method for solid particle thermophysical/chemical visualization and spectral measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203262.0A CN109916814B (en) | 2019-03-18 | 2019-03-18 | Device and method for solid particle thermophysical/chemical visualization and spectral measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109916814A true CN109916814A (en) | 2019-06-21 |
| CN109916814B CN109916814B (en) | 2020-03-13 |
Family
ID=66965510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910203262.0A Active CN109916814B (en) | 2019-03-18 | 2019-03-18 | Device and method for solid particle thermophysical/chemical visualization and spectral measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109916814B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553952A (en) * | 2019-10-14 | 2019-12-10 | 上海交通大学 | Free liquid drop multi-parameter measuring device and method based on rainbow imaging principle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20012892L (en) * | 2000-06-13 | 2001-12-14 | Inst Francais Du Petrole | Apparatus which can be adapted to a tube in which fluids containing solid particles circulate |
| CN103969226A (en) * | 2014-05-14 | 2014-08-06 | 中国科学技术大学 | Laser-induced breakdown spectroscopy measurement system used in dusty and high-temperature environments and application |
| CN104046958A (en) * | 2014-06-06 | 2014-09-17 | 华中科技大学 | Device and method for surface modification of micro-nano particles |
| CN105181602A (en) * | 2015-09-11 | 2015-12-23 | 深圳世绘林科技有限公司 | Spectral measurement device based on optics intergrating sphere |
| CN108166064A (en) * | 2018-01-04 | 2018-06-15 | 福建农林大学 | A kind of element ambient anneal stove |
| CN110553952A (en) * | 2019-10-14 | 2019-12-10 | 上海交通大学 | Free liquid drop multi-parameter measuring device and method based on rainbow imaging principle |
-
2019
- 2019-03-18 CN CN201910203262.0A patent/CN109916814B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO20012892L (en) * | 2000-06-13 | 2001-12-14 | Inst Francais Du Petrole | Apparatus which can be adapted to a tube in which fluids containing solid particles circulate |
| CN103969226A (en) * | 2014-05-14 | 2014-08-06 | 中国科学技术大学 | Laser-induced breakdown spectroscopy measurement system used in dusty and high-temperature environments and application |
| CN104046958A (en) * | 2014-06-06 | 2014-09-17 | 华中科技大学 | Device and method for surface modification of micro-nano particles |
| CN105181602A (en) * | 2015-09-11 | 2015-12-23 | 深圳世绘林科技有限公司 | Spectral measurement device based on optics intergrating sphere |
| CN108166064A (en) * | 2018-01-04 | 2018-06-15 | 福建农林大学 | A kind of element ambient anneal stove |
| CN110553952A (en) * | 2019-10-14 | 2019-12-10 | 上海交通大学 | Free liquid drop multi-parameter measuring device and method based on rainbow imaging principle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553952A (en) * | 2019-10-14 | 2019-12-10 | 上海交通大学 | Free liquid drop multi-parameter measuring device and method based on rainbow imaging principle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109916814B (en) | 2020-03-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105605922B (en) | A kind of material ultrahigh speed temperature elevation system | |
| CN109916814A (en) | For solid particle ermal physics/chemistry visualization and spectral measurement device and method | |
| CN108796473A (en) | A kind of thermal decomposition preparation method of film | |
| CN108404819A (en) | A kind of photo-thermal collaboration gas-solid catalysis device and its application | |
| CN107202812A (en) | A kind of many drop evaporations of acoustic levitation and combustion experimental device and its method | |
| CN110004277A (en) | A kind of high pressure gas quenching salt bath austempering three-chamber vacuum furnace and application method | |
| CN106119426A (en) | Rapid PCR amplification instrument temperature control method | |
| CN109001170A (en) | A kind of space fluorescence spectrum measuring apparatus and method | |
| CN207074008U (en) | High temperature elevator furnace | |
| CN111963279A (en) | DPF pipeline type heated air circulation heating device | |
| CN106226346A (en) | A kind of for the sulfuric acid vapor condensation visual experimental provision of deposition | |
| CA2324935A1 (en) | Method and device for regulating burning ring furnaces | |
| CN106350649A (en) | Isostatic pressing gas quenching equipment | |
| CN210656874U (en) | Fluorescent quantitative pcr instrument | |
| McWilliams et al. | Design of a high temperature process chamber for the selective laser sintering process | |
| CN109666585A (en) | A kind of nucleic acid augmentative instrument | |
| US11325182B2 (en) | Method for removing refractory metal cores | |
| CN110605089B (en) | Combined energy-saving stirring-free solvothermal synthesis device and method | |
| CN206173389U (en) | Isostatic pressing gas equipment of quenching | |
| JP2006217806A (en) | Culture apparatus | |
| CN209722236U (en) | It is a kind of to cool down controllable heat treating facilities | |
| CN209386816U (en) | A kind of multi-cavity flameless burning heater | |
| CN212364159U (en) | Device for collecting particle combustion image | |
| CN210789220U (en) | Soft magnetic alloy powder activation annealing processing apparatus | |
| CN203688475U (en) | Thermal cycling performance test device of high temperature solar energy selective coating layer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |