CN107664612A - Grading preparation and granularity analysis instrument for solid dust particles - Google Patents
Grading preparation and granularity analysis instrument for solid dust particles Download PDFInfo
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- CN107664612A CN107664612A CN201710896025.8A CN201710896025A CN107664612A CN 107664612 A CN107664612 A CN 107664612A CN 201710896025 A CN201710896025 A CN 201710896025A CN 107664612 A CN107664612 A CN 107664612A
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- 239000002245 particle Substances 0.000 title claims abstract description 32
- 239000000428 dust Substances 0.000 title claims abstract description 24
- 239000007787 solid Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000013618 particulate matter Substances 0.000 claims abstract description 77
- 239000011148 porous material Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 15
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013016 damping Methods 0.000 abstract description 2
- 230000036541 health Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 6
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 description 5
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- 238000000034 method Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 241000700605 Viruses Species 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- NFGXHKASABOEEW-UHFFFAOYSA-N 1-methylethyl 11-methoxy-3,7,11-trimethyl-2,4-dodecadienoate Chemical compound COC(C)(C)CCCC(C)CC=CC(C)=CC(=O)OC(C)C NFGXHKASABOEEW-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0272—Investigating particle size or size distribution with screening; with classification by filtering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a grading preparation and granularity analysis instrument for solid dust particles, which is characterized in that: the device comprises a bottom damping plate, a particulate matter preparation device, a particulate matter grading device and a control panel; the particle preparation device comprises a motor A, a blower unit, a particle grinding disc box, a grinding disc impact block and a grinding disc cover, wherein the grinding disc cover is provided with a uniform hole structure; the particle grading device comprises a cylindrical jacket, a central shaft, a motor shaft B, a filtering screen and a tray; the particle preparation device and the particle grading device are connected in an airtight and closed manner. The invention reduces the diffusion of particles in the air, reduces the small-particle-size particles inhaled by human body, and is beneficial to the health of human body; the particle grading preparation and the particle size analyzer are integrated, so that the percentage of particles with different particle sizes can be analyzed more accurately, the error is reduced, and the operation is safe and efficient.
Description
Technical field
The present invention relates to a kind of grading system of solid dust particulate matter is standby and grain size analysis instrument, belong to hydrodynamics,
Aerodynamics and field of mechanical technique.Soil block stone seen in daily life etc. specifically is prepared into experiment level to consolidate
The equipment of body dust particle, and it is related to the method for solid particulate matter grain size analysis.
Background technology
With the progress and growth in the living standard of science and technology, requirement more and more higher of the people for environmental quality.In recent years
Come, the environmental problem such as haze, sandstorm always is everybody focus of attention, and national government is also height weight for environmental problem
Depending on relevant policies have been put into effect in the discharge for pollutant.At present, outdoor environment quality level have been obtained for certain control and
Improve, still, the research for being related to IAQ (IAQ) still extremely lacks, and lacks and systematically analyze, and is preventing
All show slightly weak with control etc..
The increase of particulate in air concentration can increase the incidence of disease of some diseases, and particulate matter has loose structure, floating
Aerial various bacterial viruses can be attached in particulate matter, and the mankind can bring particulate matter into breathing during breathing
In road, bacterial virus equally can also enter therewith, and the particulate matter of small particle can even enter the lung of people, produce greatly danger
Evil.
Under the nowadays overall background of environmental pollution getting worse, indoor solid particle pollution has in human settlement indoors
Strong influence.In order to study the secondary suspension of particulate matter in indoor environment, diffusion and deposition pollution, need to carry out experimental study,
The solid particulate matter of qualitative, quantitative is needed in the process, using modern optical diagnostics technology and particulate matter measuring technology to difference
Under the conditions of the motion of indoor accelerated test walked of someone measure, there is provided qualitative and quantitative experimental data, for model checking
And amendment uses.
Simultaneously as particle granules diameter is small, using U.S.'s PTI experiment scheme designs, the experiment scheme design price of external import is held high
Expensive, dust granule diameter is not more than 20 microns, and the dust less than or equal to 5 microns accounts for more than the 56% of sum, and main component is
SiO2、AL2O3.The domestic producer currently without productive experiment level dust, the present invention grading system of experiment level dust can be used as standby with
Grain size analysis instrument, so as to ensure to provide technical support for particulate matter experimental study.
The content of the invention
To solve the shortcomings of the prior art, it is an object of the invention to provide a kind of grading system of solid dust particulate matter
Standby and grain size analysis instrument, on the basis of the grading system of solid dust particulate matter is standby, realizing grain size analysis effect, it has knot
Structure integration, function multinomialization, operate intelligentized advantage.
The present invention above-mentioned technical purpose technical scheme is that:
A kind of grading system of solid dust particulate matter is standby and grain size analysis instrument, it is characterised in that：Including bottom damping
Plate, particulate matter preparation facilities, particulate cascade device and control panel；
Described particulate matter preparation facilities includes vertical portion and horizontal part, and described vertical portion is fixed on described bottom and subtracted
Shake on plate, described horizontal part is fixedly connected with described vertical portion, and described horizontal part upper surface is pushed up with described vertical portion
At grade, described horizontal part at the top of described vertical portion with being provided with dismountable cover plate for end surface；Described is vertical
Portion and described horizontal part are cavity structure, and described vertical portion interconnects with described horizontal part；Described vertical portion
Bottom is fixed with motor A and particulate matter mill box in cavity, and described particulate matter mill box passes through motor shaft A and described electricity
Machine A is electrically connected；Mill impact block is provided with described particulate matter mill box, described mill impact block can be in particulate matter mill box
Interior any mobile, described particulate matter mill box is provided with dismountable mill lid, and described mill is covered provided with uniform hole
Hole structure；Bottom is fixed with the blower unit around the uniform branches of motor A in described vertical portion cavity, in blower unit
Each air blower be centrosymmetric centered on described motor A structure；
Described particulate cascade device includes a cylinder chuck, described cylinder chuck upper surface and described level
Subordinate end face is fixedly connected, and described cylinder chuck is interconnected with described horizontal part；Independently set in described cylinder chuck
There is a cylinder, described cylinder inner wall vertical direction is provided with sliding rail, is layered successively from top to bottom in described cylinder
It is disposed with the filter screen and pallet of several different pore sizes；Described filter screen and tray center is respectively equipped with projection,
Groove is respectively equipped with described filter screen and pallet, described groove can be along described sliding rail on cylinder inner wall
Lower slider, described filter screen and pallet are each fitted close with described cylindrical wall；Described bottom of cylinder and T-shaped circle
Disk detachable connection；Described cylinder is concentric circles with described T-shaped disk；Described cylinder chuck bottom centre be provided with
The through hole that T-shaped disk coordinates, described T-shaped disk are fixedly connected by shaft coupling with described motor shaft B one end, described electricity
Arbor electrically connects with motor B；Described motor B is fixedly connected on described bottom vibration damper plate；Described pelleting device
The gas airtight connection between described particulate cascade device；
Described control panel is provided with total control switch K, and controlled motor A, motor B, air blower A, B, C, D respectively
Switch K1~K6；Described motor A, motor B and each air blower parallel connection form closed-loop path in circuit.
Further, four motors are provided with described blower unit, are air blower A, blower B, air blower C, drum respectively
Blower fan D, described air blower A, blower B, air blower C, air blower D and described motor A are into radial distribution, described control
Panel processed is provided with total control switch K, and controlled motor A, motor B, air blower A, blower B, air blower C, air blast respectively
Machine D switch；Described motor A, motor B and air blower A, blower B, air blower C, air blower D parallel connections are formed in circuit
Closed-loop path.
Further, the wind speed of each air blower can respectively be self-regulated so that in use, described is remote in described blower unit
Wind speed from the air blower of particulate cascade device side is more than the wind speed of the air blower close to particulate cascade device side.
Further, the upper end of described cylinder inner wall is arranged with two or more dismountable positioning
Pin, described alignment pin coordinate with described sieves top line of the net.
Further, in the operating distance between described adjacent two filter screen and described adjacent filter screen
Length positioned at the projection of the filter screen of lower end is consistent.
Further, the spacing between described filter screen A and filter screen B is 100~150mm.
Further, the difference that range difference tapers off from top to bottom between described adjacent filter screen be 10mm etc.
Difference series.
Further, the difference that described adjacent filter screen aperture difference tapers off from top to bottom waits difference for 1mm's
Row, described filter screen A apertures are 10 μm.
Further, described horizontal part is with being provided with screw, described cover plate and described level at the top of described vertical portion
With being bolted at the top of described vertical portion, described junction is provided with sealing strip in portion.
Further, described bottom of cylinder is provided with screw, and described bottom of cylinder is bolted with T-shaped disk.
Further, the hole diameter of described mill lid is 10~20 μm.
In use, raw material are positioned in particulate matter mill box, control particulate matter mill bottom motors A and motor are opened
B switch, while air blower ABCD is opened, while ensure the wind speed of the air blower away from particulate cascade device side more than close
The wind speed of the air blower of particulate cascade device side, the mill box impact block in particulate matter mill box, which can hit raw material, wear into
Particulate matter, in the presence of surrounding air blower ABCD and impact block, diameter is less than the particulate matter meeting of mill cap bore hole dia
Particulate matter mill box is escaped, and particulate matter moves with air-flow, is moved from particulate matter preparation facilities to particulate cascade device,
Grain thing settles on the net in the micron particles thing classified filtering of different-diameter, to be separated to finish, and closes all air blowers, motor, beats
Particulate cascade device is opened, dismantles screen pack, the particulate matter for filtering net surface return instrument after classification recovery is reclaimed
Position, wait use next time.
According to raw-material weight, and quality of the particulate matter on different-diameter screen pack, different-grain diameter can be analyzed
Mass percent in entirety, reach the effect of grain size analysis.
Compared with prior art, the invention has the advantages that：
(1) present invention carried out in a closed device particulate matter grading system is standby and grain size analysis, reduce
The grain aerial diffusion of thing, human body suction small size particle is reduced, be beneficial to the health of people.
(2) prepared by particulate cascade and grain size analysis instrument is integrated, can more accurately analyze different-grain diameter particle
The percentage of thing, reduce error.
(3) air blower built in forms turbulent condition, makes filtering more complete.
(4) it can change particulate cascade screen pack according to different experiment needs or reduce particulate cascade screen pack,
Make particulate size analysis more flexible.
(5) in particulate cascade preparation facilities, under the drive of motor, by particulate matter mill impact block by particulate matter
Separation by vibration, the damage for particulate matter can be reduced, be compared to grinding, can reduce the adhesion of particulate matter makes it more scattered,
Grain size analysis can preferably be carried out.
Brief description of the drawings
Fig. 1 is the device overall diagram of the present invention；
Fig. 2 is the cut-away view of particulate matter preparation facilities of the present invention；
Fig. 3 is the sectional view of particulate cascade device of the present invention；
Fig. 4 is cylindrical structure figure；
Fig. 5 is the cylinder connection structure diagram of mill lid；
Fig. 6 is the structure chart of mill lid；
Fig. 7 is the structure chart of screen cloth；
Fig. 8 is the structure chart of pallet；
Fig. 9 is circuit connection diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description.Based on the embodiment in the present invention, those of ordinary skill in the art are not on the premise of creative work is made
The all other embodiment obtained, belongs to the scope of protection of the invention.
In figure, 1, bottom vibration damper plate；2nd, motor B；3rd, motor shaft B；4th, cylinder chuck；5th, vertical portion；6th, horizontal part；7th, control
Panel processed；8th, cover plate；9th, T-shaped disk；40th, 10 micron particles thing classified filtering net；41st, 9 micron particles thing classified filtering net；
42nd, 8 micron particles thing classified filtering net；43rd, 7 micron particles thing classified filtering net；44th, 6 micron particles thing classified filtering net；
45th, 5 micron particles thing classified filtering net；46th, 4 micron particles thing classified filtering net；47th, 3 micron particles thing classified filtering net；
48th, 2 micron particles thing classified filtering net；49th, 1 micron particles thing classified filtering net；410th, cylinder；411st, alignment pin；412nd, it is sliding
Dynamic rail road；491st, groove；492 projections；493rd, pallet；50th, particulate matter mill box；51st, motor A；52nd, air blower A；53rd, air blast
Machine B；54th, motor shaft A；56th, mill impact block；57th, mill lid；58th, air blower C；59th, air blower D.
A kind of grading system of solid dust particulate matter is standby and grain size analysis instrument, as shown in Fig. 1~9,
A kind of grading system of solid dust particulate matter is standby and grain size analysis instrument, including bottom vibration damper plate 1, particulate matter system
Standby device, particulate cascade device and control panel 7；
Described particulate matter preparation facilities includes vertical portion 5 and horizontal part 6, and described vertical portion 5 is fixed on described bottom
On portion's vibration damper plate 1, described horizontal part 6 is fixedly connected with described vertical portion 5, the described upper surface of horizontal part 6 with it is described
At grade, described horizontal part 6 is provided with dismountable cover plate to the top end face of vertical portion 5 with the described top of vertical portion 5
8；Described vertical portion 5 is cavity structure with described horizontal part 6, and described vertical portion 5 is mutually connected with described horizontal part 6
It is logical；Bottom is fixed with motor A 51 and particulate matter mill box 50, described particulate matter mill box in the described cavity of vertical portion 5
50 are electrically connected by motor shaft A 54 with described motor A 51；Mill impact block is provided with described particulate matter mill box 50
56, described mill impact block 56 can arbitrarily be moved in particulate matter mill box 50, and described particulate matter mill box 50 is provided with
Dismountable mill lid 57, described mill lid 57 is provided with uniform pore space structure；Bottom is consolidated in the described cavity of vertical portion 5
The fixed blower unit being provided with around the uniform branches of motor A, each air blower in blower unit are with described motor A 51
Center is centrosymmetric structure；
Described particulate cascade device includes a cylinder chuck 4, the described upper surface of cylinder chuck 4 and described water
The flat lower surface of portion 6 is fixedly connected, and described cylinder chuck 4 is interconnected with described horizontal part 6；In described cylinder chuck 4
Independent to be provided with a cylinder 410, the described inwall vertical direction of cylinder 410 is provided with sliding rail 412, described cylinder 410
Inside layered arrangement has the filter screen 40-49 and pallet 493 of several different pore sizes successively from top to bottom；Described sieves
Net 40-49 and the center of pallet 493 are respectively equipped with projection 492, are respectively equipped with described filter screen 40-49 and pallet 493 recessed
Groove 491, described groove 491 can slide up and down along described sliding rail 412 in the inwall of cylinder 410, described sieves
40-49 and pallet 493 is netted each to be fitted close with the described wall of cylinder 410；The described bottom of cylinder 410 can with T-shaped disk 9
It is detachably connected with；Described cylinder 410 is concentric circles with described T-shaped disk 9；The described bottom centre of cylinder chuck 4 is provided with
The through hole coordinated with T-shaped disk 9, described T-shaped disk 9 are fixedly connected by shaft coupling 10 with described motor shaft B3 one end,
Described motor shaft 3 electrically connects with motor B 2；Described motor B 2 is fixedly connected on described bottom vibration damper plate 1；It is described
Pelleting device and described particulate cascade device between gas airtight connection；
Described control panel 7 is provided with total control switch K, and controlled motor A 51, motor B 2, air blower respectively
A, B, C, D switch K1~K6；Described motor A 51, motor B 2 and each air blower parallel connection form closed-loop path in circuit.
Four motors are provided with described blower unit, are air blower A 52, blower B 53, air blower C 58, drum respectively
Blower fan D 59, described air blower A 52, blower B 53, air blower C 58, air blower D 59 and described motor A 51 into
Radial distribution, described control panel 7 are provided with total control switch K, and controlled motor A 51, motor B2, air blast respectively
Machine A 52, blower B 53, air blower C 58, air blower D 59 switch；Described motor A 51, motor B 2 and air blower
A 52, blower B 53, air blower C 58, air blower D 59 are in parallel to form closed-loop path in circuit.
The wind speed of each air blower can respectively be self-regulated so that in use, described remote particulate matter point in described blower unit
The wind speed of the air blower of stage arrangement side is more than the wind speed of the air blower close to particulate cascade device side.
The upper end of the described inwall of cylinder 410 is arranged with two or more dismountable alignment pins 411, institute
The alignment pin 411 stated coordinates with edge on described filter screen 40.
Under being located in operating distance and described adjacent filter screen between described adjacent two filter screen
The length of the projection of the filter screen at end is consistent.
Spacing between described filter screen A (40) and filter screen B (41) is 150mm.
The difference that range difference tapers off from top to bottom between described adjacent filter screen is 10mm arithmetic progression.
The difference that described adjacent filter screen aperture difference tapers off from top to bottom is 1mm arithmetic progression, described
Filter screen A apertures are 10 μm.
Described horizontal part 6 and the described top of vertical portion 5 are provided with screw, described cover plate and described horizontal part 6 and
The described top of vertical portion 5 is bolted, and described junction is provided with sealing strip.
Described bottom of cylinder is provided with screw, and described bottom of cylinder is bolted with T-shaped disk.
The hole diameter of described mill lid 57 is 15 μm.
In use, raw material are positioned in particulate matter mill box 50, control particulate matter mill bottom motors A 51 is opened
With motor B 2 switch, while air blower ABCD is opened, while ensure the wind speed of the air blower away from particulate cascade device side
More than the wind speed of the air blower close to particulate cascade device side, the mill impact block 56 in particulate matter mill box 50 can be by former material
Particulate matter is worn into material shock, and in the presence of surrounding air blower ABCD and mill impact block 56, diameter is less than the hole of mill lid 59
The particulate matter of hole dia can escape particulate matter mill box 50, and particulate matter moves with air-flow, by particulate matter preparation facilities
Being moved to particulate cascade device, particulate matter settles on the net in the micron particles thing classified filtering of different-diameter, to be separated to finish,
All air blower ABCD, motor A and motor B are closed, opens particulate cascade device, filter screen is dismantled, by sieves netlist
The particulate matter in face instrument playbacks after classification recovery recovery, waits use next time.
Content described in this specification embodiment is only enumerating to the way of realization of inventive concept, protection of the invention
Scope is not construed as being only limitted to the concrete form that example is stated, protection scope of the present invention also includes people in the art
Member according to present inventive concept it is conceivable that equivalent technologies mean.
Claims (10)
1. a kind of grading system of solid dust particulate matter is standby and grain size analysis instrument, it is characterised in that：Including bottom vibration damper plate
(1), particulate matter preparation facilities, particulate cascade device and control panel (7)；
Described particulate matter preparation facilities includes vertical portion (5) and horizontal part (6), and described vertical portion (5) are fixed on described
On bottom vibration damper plate (1), described horizontal part (6) is fixedly connected with described vertical portion (5), described horizontal part (6) upper end
Face with end face at the top of described vertical portion (5) at grade, described horizontal part (6) with the top of described vertical portion (5)
Provided with dismountable cover plate (8)；Described vertical portion (5) is cavity structure with described horizontal part (6), described vertical portion
(5) interconnected with described horizontal part (6)；Bottom is fixed with motor A (51) and particle in described vertical portion (5) cavity
Thing mill box (50), described particulate matter mill box (50) are electrically connected by motor shaft A (54) with described motor A (51)；Institute
Mill impact block (56) is provided with the particulate matter mill box (50) stated, described mill impact block (56) can be in particulate matter mill box
(50) arbitrarily moved in, described particulate matter mill box (50) is provided with dismountable mill lid (57), described mill lid
(57) it is provided with uniform pore space structure；Bottom is fixed with around the uniform branches of motor A in described vertical portion (5) cavity
Blower unit, each air blower in blower unit be centrosymmetric structure centered on described motor A (51)；
Described particulate cascade device includes a cylinder chuck (4), described cylinder chuck (4) upper surface and described water
Flat portion (6) lower surface is fixedly connected, and described cylinder chuck (4) is interconnected with described horizontal part (6)；Described cylinder folder
A cylinder (410) is independently provided with set (4), described cylinder (410) inwall vertical direction is provided with sliding rail (412),
Layered arrangement has the filter screen (40-49) and support of several different pore sizes successively from top to bottom in described cylinder (410)
Disk (493)；Described filter screen (40-49) and pallet (493) center is respectively equipped with projection (492), described filter screen
Groove (491) is respectively equipped with (40-49) and pallet (493), described groove (491) can be along described sliding rail
(412) in cylinder (410), inwall slides up and down, described filter screen (40-49) and pallet (493) each with described circle
Cylinder (410) wall is fitted close；Described cylinder (410) bottom and T-shaped disk (9) detachable connection；Described cylinder (410)
It is concentric circles with described T-shaped disk (9)；Described cylinder chuck (4) bottom centre is provided with leads to what T-shaped disk (9) coordinated
Hole, described T-shaped disk (9) are fixedly connected by shaft coupling (10) with described motor shaft B (3) one end, described motor shaft
(3) electrically connected with motor B (2)；Described motor B (2) is fixedly connected on described bottom vibration damper plate (1)；Described particle
Gas airtight connection between preparation facilities and described particulate cascade device；
Described control panel (7) is provided with total control switch K, and controlled motor A (51), motor B (2), air blower respectively
A, B, C, D switch K1~K6；Described motor A (51), motor B (2) and each air blower parallel connection forms close back in circuit
Road.
2. the grading system of solid dust particulate matter as claimed in claim 1 is standby and grain size analysis instrument, it is characterised in that：Institute
Four motors are provided with the blower unit stated, are air blower A (52), blower B (53), air blower C (58), air blower D respectively
(59), described air blower A (52), blower B (53), air blower C (58), air blower D (59) and described motor A (51) into
Radial distribution, described control panel (7) are provided with total control switch K, and respectively controlled motor A (51), motor B (2),
Air blower A (52), blower B (53), air blower C (58), air blower D (59) switch；Described motor A (51), motor B
(2) and in parallel formed in circuit of air blower A (52), blower B (53), air blower C (58), air blower D (59) closes back
Road.
3. the grading system of solid dust particulate matter as claimed in claim 1 is standby and grain size analysis instrument, it is characterised in that：Institute
The wind speed of each air blower can respectively be self-regulated so that in use, described remote particulate cascade device side in the blower unit stated
The wind speed of air blower is more than the wind speed of the air blower close to particulate cascade device side.
4. the grading system of solid dust particulate matter as claimed in claim 1 is standby and grain size analysis instrument, it is characterised in that：Institute
The upper end of cylinder (410) inwall stated is arranged with two or more dismountable alignment pins (411), and described determines
Position pin (411) coordinates with edge on described filter screen (40).
5. the grading system of solid dust particulate matter as claimed in claim 1 is standby and grain size analysis instrument, it is characterised in that：Institute
Sieves of the operating distance with being located at lower end in described adjacent filter screen between adjacent two filter screen stated
The length of the projection of net is consistent.
6. the grading system of solid dust particulate matter as claimed in claim 5 is standby and grain size analysis instrument, it is characterised in that：Institute
Spacing between the filter screen A (40) and filter screen B (41) that state is 100~150mm.
7. the grading system of solid dust particulate matter as claimed in claim 5 is standby and grain size analysis instrument, it is characterised in that：Institute
The difference that range difference tapers off from top to bottom between the adjacent filter screen stated is 10mm arithmetic progression.
8. the grading system of solid dust particulate matter as claimed in claim 1 is standby and grain size analysis instrument, it is characterised in that：Institute
The difference that the adjacent filter screen aperture difference stated tapers off from top to bottom be 1mm arithmetic progression, described filter screen A holes
Footpath is 10 μm.
9. the grading system of solid dust particulate matter as claimed in claim 1 is standby and grain size analysis instrument, it is characterised in that：Institute
The horizontal part (6) stated with being provided with screw at the top of described vertical portion (5), described cover plate and described horizontal part (6) with it is described
Vertical portion (5) at the top of be bolted, described junction is provided with sealing strip.
10. the grading system of solid dust particulate matter as claimed in claim 1 is standby and grain size analysis instrument, it is characterised in that：
The hole diameter of described mill lid (57) is 10~20 μm.
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| CN201710896025.8A CN107664612B (en) | 2017-09-28 | 2017-09-28 | Grading preparation and granularity analysis instrument for solid dust particles |
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| CN201710896025.8A CN107664612B (en) | 2017-09-28 | 2017-09-28 | Grading preparation and granularity analysis instrument for solid dust particles |
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| CN107664612B (en) | 2024-02-13 |
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