CN202092930U - Particulated matter basic parameter measurement device - Google Patents

Particulated matter basic parameter measurement device Download PDF

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Publication number
CN202092930U
CN202092930U CN201120196971XU CN201120196971U CN202092930U CN 202092930 U CN202092930 U CN 202092930U CN 201120196971X U CN201120196971X U CN 201120196971XU CN 201120196971 U CN201120196971 U CN 201120196971U CN 202092930 U CN202092930 U CN 202092930U
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particle
platform
container
basic parameter
test
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闫铁
张杨
李玮
毕雪亮
赵英楠
杜树明
侯圣
余意
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Northeast Petroleum University
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Northeast Petroleum University
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Abstract

The utility model relates to a particulated matter basic parameter measurement device. A vertical column is arranged on the platform of the particulated matter basic parameter measurement device, a conical flow rate adjusting hopper is arranged on the left side of the vertical column, a radius measuring platform is arranged under the conical flow rate adjusting hopper, a light transmitter is arranged on the vertical column, corresponds to the conical flow rate adjusting hopper and the radius measuring platform and can vertically and horizontally move; a free setting container, a calculating instrument and a speed measuring instrument are arranged on the right side of the vertical column, the free setting container is a transparent hollow column, and a laser scanner, the light transmitter, the calculating instrument and the speed measuring instrument are connected to a signal output joint on the platform by a signal receiver and a signal transmission line. The radius measuring platform is divided into two layers, the upper layer is a transparent contact layer, and the laser scanner is arranged below the contact layer. The utility model effectively provides a measurement device for entirely and clearly evaluating the accumulation property, free setting ball equivalent weight diameter, scale fractal dimension, moving and static flowing capacity of rock debris particulate matter, thus being a choice capable of guiding related well drilling construction parameters.

Description

A kind of particle basic parameter measurement mechanism
Technical field
The utility model relates to the basic parameter of probing field cutting grain deposit such as bulk density, pile up porosity, angle of repose etc. and carry out measurement mechanism, what be specifically related to is a kind of particle basic parameter measurement mechanism.
Background technology
In the petroleum drilling construction, produce a large amount of cutting grain materials, particle becomes cutting bed at lateral segment and lower curved section heap-shaped in the well, can cause bit freezing, the pump of spraining, the shaft bottom landwaste purifies imperfection, and drill bit repeats brokenly rock, increase useless wearing and tearing of drill bit and broken rock energy consumption, may cause down hole problem simultaneously, influence excellent fast drilling well.Basic parameters such as the dispersity of cutting grain deposit, size distribution fractal and angle of repose can provide guidance to how preventing particle to pile up, but also there is not measurement mechanism at present about the aspects such as dispersity, size distribution fractal and angle of repose of cutting grain deposit, can not know and understand the fluid ability of cutting grain deposit in fluid, can not instruct the selection of relevant wellbore construction parameter, the generation that can't prevent particle to pile up.
Summary of the invention
The purpose of this utility model provides a kind of particle basic parameter measurement mechanism, and it is used to solve the device that lacks at present the measurement of cutting grain thing basic parameter, the problem that can't prevent particle accumulation situation to take place.
The technical scheme that its technical matters that solves the utility model adopts is: on the platform of this particle basic parameter measurement mechanism column is installed, the left side of column is equipped with taper flow rate regulation funnel, be the radius measurement platform under the taper flow rate regulation funnel, light emitters is installed on the column and is corresponding with taper flow rate regulation funnel and radius measurement platform, and light emitters can reach up and down and move horizontally; The right side of column is equipped with free setting container and calculating instrument, speed measuring instrumentation, the free setting container is transparent open column, and laser scanner, light emitters, calculating instrument, speed measuring instrumentation are connected to signal output connector on the platform by signal receiver and signal transmssion line.The radius measurement platform is divided into two-layer, and the upper strata is the contact layer of particle, and contact layer is transparent, is laser scanner below the contact layer.
The grain sorting device also is installed on the platform in the such scheme, the grain sorting device is connected with vibrating device, the grain sorting device constitutes by stacking the different particle sieve of mesh size in the hollow cylinder, the particle sieve is arranged in order according to the mesh size size, each particle sieve all has a sieve handle, and sieve is exposing out from hollow cylinder.
Signal output connector is connected with computing machine in the such scheme, is used for the signal of output is analyzed, calculated and is described.
Calculating instrument is installed in and corresponding position, free setting container top by bearing in the such scheme, and speed measuring instrumentation is installed in and corresponding position, free setting container bottom by bearing.
Particle dispersity measurement mechanism also is installed on the platform in the such scheme, particle dispersity measurement mechanism has a rectangle test container that has the gateway, the outlet of test container is connected with suction pump, test container has a test cavity, be covered with tiny mesh on the cavity wall at test cavity two ends, the test cavity near the outlet the position be provided with the sponge stuff every sieve, between test cavity and the outlet is cushion chamber, between test cavity and the inlet cushion chamber is arranged also, the position that the test cavity is relative with inlet is provided with two baffle plates; The test container bottom surface is transparent, and bottom, test container bottom surface is provided with laser scanning imaging device, and test container top has opaque shading lid, and suction pump, laser scanning imaging device are connected on the signal output connector by signal transmssion line.
The utlity model has following beneficial effect:
1, the utility model effectively provides comprehensively, the cutting grain thing is piled up the experimental provision and the method for aspects such as rerum natura, free setting ball equivalent footpath, yardstick fractal dimension, the evaluation of sound fluid ability clearly.Because the utility model has designed the radius measurement platform in particle physical property measure portion technical scheme, can be by laser scanner scans and imaging on computers, try to achieve effective mean radius value of particle packing thing bottom surface, designed be installed in can move up and down on the column and surface level on the light emitters of the measuring height that rotates, both angles of repose that is used in combination count particles deposit fast, avoid each domatic gradient difference of deposit to take multiple measurements the loaded down with trivial details step of carrying out the angle of repose mean value calculation simultaneously, significantly improved the speed and the accuracy of measuring angle of repose.
2, because the utility model has designed the grain sorting device of easy disassembly separating sieve, the separating sieve of can arranging in pairs or groups flexibly according to actual needs in particle physical property measure portion technical scheme.
3, since the utility model fast count particles at basic parameters such as the mixed particle packing volume of drying regime, wetness conditions, single granularity and many granularities, accumulation voidage and angles of repose, simultaneously can analyze the influence of correlative factor, effectively reduce the time that experimental measurement time and post analysis are handled experimental data each corresponding calculated measured value data.
4, because the utility model adopts in free setting container right upper portion grain count instrument, bottom installation particles settling end speed measuring instrument are installed, grain count instrument and particles settling end speed measuring instrument will be transferred on the computer by signal, but count particles free setting ball equivalent footpath and Size Distribution fractal dimension.Free setting container medium viscosity fluids increases the stationarity that particle descends, and has solved the too fast bigger shortcoming of measuring error that causes of traditional measurement method particle decline, has effectively improved the numbers of particles accuracy of measurement.
5, because the utility model forms the effect in a stabilized uniform pressure drop flow field in test container endoparticle thing both sides, the test container upper design shading lid, the bottom surface is transparent, the bottom, bottom surface is a laser scanning imaging device, the design of this part can the scanning particle deposit through the plane of fluid impact postforming dispersion pattern, in conjunction with the experimental technique of dispersity, for particle packing thing dynamic flow ability assessment provides new technical method.
Description of drawings
Fig. 1 is that platform is arranged block diagram in the utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the side view of radius measurement platform in the utility model;
Fig. 4 is the structural representation of particle sieve in the utility model;
Fig. 5 is the structural representation of particle dispersity measurement mechanism in the utility model;
Fig. 6 is the cut-open view after the shading lid of particle dispersity measurement mechanism in the utility model is opened.
1 column, 2 grain sorting devices, 3 particles sieve 4 funnels, 5 light emitters, 6 radius measurement platforms, 7 laser scanners, 8 free setting containers, 9 calculating instruments, 10 speed measuring instrumentations 11 every sieve 12 suction pumps 13 test containers 14 shading lids 15 baffle plates 16 test cavitys 17 cushion chambers 18 laser scanning imaging devices.
Embodiment
Following structure accompanying drawing is described further the utility model:
As shown in Figure 2, on the platform of this a kind of particle basic parameter measurement mechanism column 1 is installed, the left side of column 1 is equipped with grain sorting device 2 and taper flow rate regulation funnel 4, the below of taper flow rate regulation funnel 4 is radius measurement platforms 6, light emitters 5 is installed on the column 1 and is corresponding with taper flow rate regulation funnel 4 and radius measurement platform 5, the axis of taper flow rate regulation funnel 4 overlaps with the axis of radius measurement platform 6, light emitters 5 can reach up and down and move horizontally, light emitters 5 is used to measure the deposit height, can move axially and horizontal circumferential movement, transmitting range is controlled simultaneously, measure the deposit height according to the shading principle, when light is blocked by barrier, return signal, laser scanner 7, light emitters 5 is connected to signal output connector on the platform by signal receiver and signal transmssion line, signal output connector is connected with computing machine, laser scanner 7 is arranged in the radius measurement platform 6, can measure the particle contact area, use the independently quality of electron mass balance measurement particle, this part device in column 1 left side can carry out single granularity to particle, many granularities are mixed, dried particles, the packing density of particle of wetting particle, pile up voidage, angle of repose is measured and is calculated, and can carry out granularity and do wet condition to the particle angle of repose, bulk density, pile up the law-analysing that influences of voidage; The right side of column 1 is equipped with free setting container 8 and calculating instrument 9, speed measuring instrumentation 10, free setting container 8 is transparent open columns, calculating instrument 9 is installed in and corresponding position, free setting container 8 tops by bearing, speed measuring instrumentation 10 is installed in and corresponding position, free setting container 8 bottoms by bearing, calculating instrument 9, speed measuring instrumentation 10 is connected to signal output connector on the platform by signal receiver and signal transmssion line, signal output connector is connected with computing machine, and this part device on column 1 right side is used for the particulate size distribution fractal dimension, the measurement and the calculating in free setting ball equivalent footpath.
Column in the utility model is installed in 1 position, district of platform, referring to shown in Figure 1.
In conjunction with shown in Figure 3, the upper surface of radius measurement platform 6 is the particle contact interface, and the particle contact interface is transparent, its following installation laser scanner 7.
Grain sorting device 2 is connected with vibrating device, grain sorting device 2 constitutes by stacking the different particle sieve 3 of mesh size in the hollow cylinder, particle sieve 3 is arranged in order according to the mesh size size, consult Fig. 4, each particle sieve 3 all has a sieve handle, sieve is exposing out from hollow cylinder, and particle sieve 3 can separate from grain sorting device 2.The variable valve that scalable is leaked the eye size is installed in taper flow rate regulation funnel 4 bottoms.
The device in above-mentioned column 1 left side carries out packing density of particle, piles up voidage, angle of repose measuring method and step are as follows:
One, particle is packed in the funnel 4, by leakage speed under the variable valve adjusting particle particle is steadily dropped on the radius measurement platform 6, instantly leak and finish, the granule of particle packing beyond the region of objective existence Discrete Distribution is removed, 7 pairs of deposit bottom surfaces of laser scanner are scanned, in computing machine, form particle packing thing bottom surface figure, calculate the round equivalent radius r of figure homalographic therewith.Weigh the deposit mass M with the electron mass balance simultaneously.
Two, about control light emitters 5 is carried out, move left and right, when infrared ray is blocked by particle packing thing peak, signal feedback obtains deposit height h to computer controlling center.Calculate the particle stacking volume according to formula
Three, deposit height h and the ratio of circle equivalent radius r are the tangent value of angle of repose, and by the particle packing thing angle of repose of COMPUTER CALCULATION, bulk density is tried to achieve with the ratio of stacking volume V by piling up mass M.
Four, use grain sorting device 2 that particle is sieved by granule size,, try to achieve separately bulk density and angle of repose value respectively according to above-mentioned one, two, three steps operation for every kind of monomized solids thing.
Five, the water logging of particle with known volume do not had, measure mixed cumulative volume with graduated cylinder, the stacking volume sum of the volume of water and particle cuts mixed cumulative volume and obtains the particle voidage, piles up voidage=particle voidage/particle stacking volume.
The measuring method step that the device on above-mentioned column 1 right side carries out particle size distribution fractal dimension, free setting ball equivalent footpath is as follows:
One, the water white liquid of in free setting container 8, packing into certain viscosity, to sieve out n group particle by granule size, slowly pour in the free setting container 8 respectively, particle slowly steadily descends in viscous liquid, use is respectively organized granularity particle number based on grain count instrument 9 records of shading principle design, and peace grain graininess size is respectively , the total particle number is
Figure 201120196971X100002DEST_PATH_IMAGE003
, selecting granule number burden integration cloth number percent is the corresponding granularity of 63.2% this point
Figure 738949DEST_PATH_IMAGE004
, choosing
Figure 201120196971X100002DEST_PATH_IMAGE005
This group particle is measured its corresponding granularity
Figure 425758DEST_PATH_IMAGE006
, calculate the long-pending productive rate of the burden of removing particle after this group granularity
Figure 201120196971X100002DEST_PATH_IMAGE007
, will
Figure 310537DEST_PATH_IMAGE006
And
Figure 577570DEST_PATH_IMAGE007
Substitution The Size Distribution burden amasss productivity function:
Figure 201120196971X100002DEST_PATH_IMAGE009
Try to achieve s and just be the fractal dimension of grain graininess Size Distribution.
When two, measuring free setting ball equivalent footpath, particle is sieved into the n group by size, the theoretical method of tubulose aspherical particle group's resistance coefficient is measured the resistance coefficient of every group of particle swarm respectively under the use low reynolds number
Figure 320716DEST_PATH_IMAGE010
, again each group particle swarm is slowly poured in the free setting container 8, particle is slowly steadily descended in viscous liquid, use the speed of particle when measuring every group of particle swarm and be deposited to the free setting container ends based on the speed measuring instrumentation 10 of shading principle design
Figure 201120196971X100002DEST_PATH_IMAGE011
According to free setting ball equivalent computing formula:
Figure 127129DEST_PATH_IMAGE012
In the formula:
Figure 201120196971X100002DEST_PATH_IMAGE013
Be particle density,
Figure 756824DEST_PATH_IMAGE014
Be fluid density.The free setting ball equivalent footpath d of every group of particle swarm is tried to achieve in calculating.
Particle dispersity measurement mechanism also is installed on the platform of the present utility model, in conjunction with Fig. 5, shown in Figure 6, particle dispersity measurement mechanism has a rectangle test container 13 that has the gateway, the outlet of test container 13 is connected with suction pump 12, test container 13 has a test cavity 16, be covered with tiny mesh on the cavity wall at test cavity 16 two ends, test cavity 16 near the positions of outlet be provided with the sponge stuff every sieve 11, this forms cushion chamber 17 between sieve 11 and test cavity 16 walls, between test cavity 16 and the outlet is cushion chamber 17, between test cavity 16 and the inlet cushion chamber 17 is arranged also; Because the inhomogeneous differentiation at two ends was separated out when test cavity 16 two ends respectively had a cushion chamber 17 fluid can be entered test container 13, make in the test cavity 13 and form stable uniform flow field, and 13 outlets of test cavity are owing to there are two cushion chambers 17, suction pump can be aspirated strength and carry out slowly-releasing, guarantee to test cavity 16 and form a stabilized uniform pressure drop flow field; The position that test cavity 13 is relative with inlet is provided with two parallel baffles 15, be used to pile up the particle of testing usefulness between two baffle plates 15, because it communicates with inlet, when suction pump 12 suction fluids, fluid impacts the particle of 15 on baffle plate, and particle is disperseed in test cavity 16; Test container 13 bottom surfaces are transparent, and bottom, test container 13 bottom surface is provided with laser scanning imaging device 18, but thus the scanning particle deposit through the plane of fluid impact postforming dispersion pattern; Test container 13 tops have opaque shading lid 14, and lid 14 can play sealing function, and suction pump 12, laser scanning imaging device 18 are connected to the signals collecting transmission card by signal transmssion line, and data acquisition card is installed on computers.
Particle dispersity measurement mechanism is installed in 2 positions, district of platform, referring to shown in Figure 1.
Be covered with tiny mesh on the cavity wall at test cavity 16 two ends, can balanced fluid flow section on velocity flow profile; That tests cavity 16 can stop particle to run off every sieve 11,
Dispersity is the dispersibility of particle packing thing under the percussive action of other fluid media (medium)s, estimates the fluid ability of particle packing thing by the size of using dispersity numerical value.
The utility model carries out the particle dispersity when measuring, and the casing of splendid attire fluid need be connected with the inlet of test container 13, aspirates by the fluid in 12 pairs of casings of suction pump, and the particle at baffle plate 15 places is impacted.Fluid density is 1.0 ~ 1.2g/cm 3Between, the kinetic viscosity of fluid is 30 ~ 70
Figure DEST_PATH_IMAGE015
(milli handkerchief second).
1 ~ 5 meter of test container 13 length of the present utility model, 0.2 meter of test cavity 16 height, 0.6 meter of width, the baffle plate that holds particle is 15 high 0.2 meter, 0.1 ~ 0.2 meter of width, 0.2 meter of length.
Particle packing thing dispersity method of testing and step are as follows in the utility model:
One, the fluid intake of test container 13 1 sides is opened, will be piled water in the test container 13, the temporary close fluid intake; With the regular rectangular shape of the regular one-tenth surfacing of particle, be deposited in 15 on two baffle plates of test container 13, measure the deposit height H.
Two, open fluid intake and suction pump 12, regulated fluid admission velocity and suction pump 12 suction intensitys, the flowing velocity that makes fluid guarantee that test cavity 16 inner fluids form stable uniform flow field between 0.5 ~ 0.8m/s.After ten minutes, particle disperse in test cavity 16 becomes irregularly shaped, emits test container 13 inner fluids.
Three, cover shading lid 14, use laser scanning imaging device 18, irregular particle dispersion shape in the test container 13 is imaged in the computer, the area S of count particles thing disperse shape and the volume V that goes out from 15 disperses of two baffle plates, with remaining particle packing thing surface evenings in two baffle plates 15, measuring height reduce to be worth h.Particle dispersion degree=H* (S/V)/(H-h).
3 positions, district of the platform in the utility model are used to install computing machine, distinguish 4 positions and are used to install signal output connector, consult shown in Figure 1.

Claims (5)

1. particle basic parameter measurement mechanism, it is characterized in that: column (1) is installed on the platform of this particle basic parameter measurement mechanism, the left side of column (1) is equipped with taper flow rate regulation funnel (4), under the taper flow rate regulation funnel (4) radius measurement platform (6), light emitters (5) is installed on the column and is corresponding with taper flow rate regulation funnel (4) and radius measurement platform (6), and light emitters (5) can reach up and down and move horizontally; The right side of column (1) is equipped with free setting container (8) and calculating instrument (9), speed measuring instrumentation (10), free setting container (8) is transparent open column, and laser scanner (7), light emitters (5), calculating instrument (9), speed measuring instrumentation (10) are connected to signal output connector on the platform by signal receiver and signal transmssion line; The upper surface of radius measurement platform (6) is the particle contact interface, and contact interface is transparent, laser scanner (7) is installed below the particle contact interface.
2. particle basic parameter measurement mechanism according to claim 1, it is characterized in that: grain sorting device (2) also is installed on the described platform, grain sorting device (2) is connected with vibrating device, grain sorting device (2) constitutes by stacking the different particle sieve (3) of mesh size in the hollow cylinder, particle sieve (3) is arranged in order according to the mesh size size, each particle sieve (3) all has a sieve handle, and sieve is exposing out from hollow cylinder.
3. particle basic parameter measurement mechanism according to claim 1, it is characterized in that: described signal output connector is connected with computing machine.
4. particle basic parameter measurement mechanism according to claim 1, it is characterized in that: described calculating instrument (9) is installed in and corresponding position, free setting container (8) top by bearing, and velocity survey (10) instrument is installed in and corresponding position, free setting container (8) bottom by bearing.
5. particle basic parameter measurement mechanism according to claim 1, it is characterized in that: particle dispersity measurement mechanism also is installed on the described platform, particle dispersity measurement mechanism has a rectangle test container (13) that has the gateway, the outlet of test container (13) is connected with suction pump (12), test container (13) has a test cavity (16), be covered with tiny mesh on the cavity wall at test cavity (16) two ends, the test cavity near the outlet the position be provided with the sponge stuff every the sieve (11), between test cavity (16) and the outlet is cushion chamber (17), between test cavity (16) and the inlet cushion chamber (17) is arranged also, the position that test cavity (16) is relative with inlet is provided with two baffle plates (15); Test container (13) bottom surface is transparent, test container (13) bottom, bottom surface is provided with laser scanning imaging device (18), test container (13) top has opaque shading lid (14), and suction pump (12), laser scanning imaging device (18) are connected on the signal output connector by signal transmssion line.
CN201120196971XU 2011-06-13 2011-06-13 Particulated matter basic parameter measurement device Expired - Fee Related CN202092930U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103760073A (en) * 2014-01-08 2014-04-30 大连理工大学 Device and testing method for simulating indoor dust flying-off and settling property
CN106409349A (en) * 2016-09-30 2017-02-15 中山大学 Experimental system for forming characteristic of sodium-cooled fast reactor debris bed
CN106546516A (en) * 2016-09-23 2017-03-29 浙江大学 The on-line measuring device of many properties of granule in fluid bed granulation
CN107421860A (en) * 2017-08-08 2017-12-01 浙江大学 One-dimensional vertical barged-in fill granule density test device and method of testing
CN108801878A (en) * 2018-07-10 2018-11-13 华侨大学 A kind of method of determining accumulation bulk granular material voidage
CN109870398A (en) * 2019-04-02 2019-06-11 中国有色金属工业第十四冶金建设公司 Infiltration experiment system
CN110487684A (en) * 2019-08-19 2019-11-22 常州市第二人民医院 A kind of band shakes the liquid particles mass scanning instrument of function automatically
CN112345694A (en) * 2020-10-20 2021-02-09 西北农林科技大学 Method for measuring tightness of string-shaped fruits
CN113252521A (en) * 2021-05-08 2021-08-13 浙江理工大学 Gas-solid two-phase flow deposition characteristic experimental device with automatic particle size screening function

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103760073B (en) * 2014-01-08 2015-10-28 大连理工大学 The method of testing of the device of dust dispersion settling character in a kind of simulating chamber
CN103760073A (en) * 2014-01-08 2014-04-30 大连理工大学 Device and testing method for simulating indoor dust flying-off and settling property
CN106546516B (en) * 2016-09-23 2019-04-19 浙江大学 The on-line measuring device of the more properties of particle in fluid bed granulation
CN106546516A (en) * 2016-09-23 2017-03-29 浙江大学 The on-line measuring device of many properties of granule in fluid bed granulation
CN106409349A (en) * 2016-09-30 2017-02-15 中山大学 Experimental system for forming characteristic of sodium-cooled fast reactor debris bed
CN106409349B (en) * 2016-09-30 2018-02-13 中山大学 A kind of experimental system of sodium-cooled fast reactor fragment bed Formation and characteristics
CN107421860A (en) * 2017-08-08 2017-12-01 浙江大学 One-dimensional vertical barged-in fill granule density test device and method of testing
CN108801878A (en) * 2018-07-10 2018-11-13 华侨大学 A kind of method of determining accumulation bulk granular material voidage
CN109870398A (en) * 2019-04-02 2019-06-11 中国有色金属工业第十四冶金建设公司 Infiltration experiment system
CN109870398B (en) * 2019-04-02 2024-03-01 中国有色金属工业第十四冶金建设公司 Penetration test system
CN110487684A (en) * 2019-08-19 2019-11-22 常州市第二人民医院 A kind of band shakes the liquid particles mass scanning instrument of function automatically
CN112345694A (en) * 2020-10-20 2021-02-09 西北农林科技大学 Method for measuring tightness of string-shaped fruits
CN113252521A (en) * 2021-05-08 2021-08-13 浙江理工大学 Gas-solid two-phase flow deposition characteristic experimental device with automatic particle size screening function
CN113252521B (en) * 2021-05-08 2023-06-27 浙江理工大学 Gas-solid two-phase flow deposition characteristic experimental device with particle size automatic screening function

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