CN206027882U - Fluid -bed air flow crusher - Google Patents
Fluid -bed air flow crusher Download PDFInfo
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- CN206027882U CN206027882U CN201620886273.5U CN201620886273U CN206027882U CN 206027882 U CN206027882 U CN 206027882U CN 201620886273 U CN201620886273 U CN 201620886273U CN 206027882 U CN206027882 U CN 206027882U
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- feeding device
- nozzle
- air flow
- material channel
- flow crusher
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- 239000012530 fluid Substances 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 88
- 239000000843 powder Substances 0.000 claims abstract description 34
- 239000002245 particle Substances 0.000 claims abstract description 19
- 210000000515 tooth Anatomy 0.000 claims description 21
- 238000010298 pulverizing process Methods 0.000 claims description 20
- 239000002994 raw material Substances 0.000 abstract description 15
- 238000004513 sizing Methods 0.000 abstract description 7
- 239000002893 slag Substances 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 24
- 238000000034 method Methods 0.000 description 14
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 description 8
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
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Abstract
The utility model discloses a fluid -bed air flow crusher, it includes: smash the room, the lateral wall of smashing the room is equipped with feeding device, smashes indoor being equipped with with the corresponding one side of feeding device and observes the hole, classifying chamber, classifying chamber's upper portion is equipped with power device, is equipped with power output shaft and fine powder outlet in the classifying chamber, and the branch driving cone is installed to power output shaft's lower part, the air inlet housing is equipped with a plurality of crushed aggregates nozzle on the lateral wall of air inlet housing, the lower part of air inlet housing is equipped with slag room, feeding device, feeding device include the feeder hopper, locate the raw materials passageway of feeder hopper lower part, and that locates raw materials passageway upper portion pushes away the material nozzle, locate the venturi nozzle at raw materials passageway middle part, locate the device of breaing up of raw materials passageway lower part. Through improving feeding device, be difficult for taking place putty, sizing phenomenon in the feeding device, big particle diameter material or material group quantity fall sharply, have improved fluid -bed air flow crusher's crushing efficiency by a wide margin, make fluid -bed air flow crusher's adaptability obtain obvious extension.
Description
Technical field
This utility model is related to material fining and crushes and screening installation field, more particularly to a kind of fluid bed airflow milling
Machine.
Background technology
Powder technology is counted as one of most important basic technology of support new and high technology industry, after grain refine, compares table
Area is big, be evenly distributed, and shows the premium properties of many, filler, dyestuff, pigment, medicine, catalyst, Magnetic Memory element,
The aspects such as senior abrasive material, kollag, fine ceramics, cosmetics are extensively applied.The method for obtaining superfine powder is mainly machine
Tool method and chemical method, chemical method are only used in minority special dimension because of complex process, high cost；And mechanical crushing method because its into
This is low, and yield is high, process is simple, and is widely adopted the advantages of can improve material performance.Prepare the mechanical powder of superfine powder
Broken equipment mainly has high speed machine impact mill, jet mill, Ball-stirring mill and vibromill etc..And wherein jet mill with
The advantages of its product purity height, good dispersion, fine size and narrowly distributing, is especially welcome in crushing industry.
In the existing fluidized bed air flow crusher for using, charging hole device occurs putty, sizing phenomenon often, seriously
Charging rate is affected, if these sizings are processed not in time, the higher stain of adhesive strength can be formed in the inwall of feeding device, this
A little stains can not only increase the cleaning difficulty of operator, can also strong corrosion feeding device, reduce its usage cycles.Meanwhile,
As material particular diameter is relatively thin, specific surface area is larger, agglomeration easily occurs between material, enters in pulverizer in material
When, often along with big and small material group, these material groups are most of to scatter when head-on collision is broken, and remainder can hit
It is knocked closely knit during hitting, and then forms hard material group, then fall into slag-drip opening discharge due to crushing, and then
Make the crush efficiency of pulverizer relatively low, this be also restrict fluidized bed air flow crusher popularization and application on a large scale restriction main factor it
One.
In addition, the inlet plenum of existing pulverizer is all to arrange an air intake installation, in the material that slag-drip opening is discharged, still deposit
In the material that part can crush, therefore, the crush efficiency of existing pulverizer needs further to improve.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided a kind of fluidized bed air flow crusher,
By being improved to feeding device, when making material enter pulverizing chamber, material group quantity falls sharply, and greatly improves fluidized bed airflow powder
The crush efficiency of broken machine.
The technical solution adopted in the utility model is as follows：A kind of fluidized bed air flow crusher, it includes：
Pulverizing chamber, the top of pulverizing chamber are provided with grading room, and bottom is provided with inlet plenum, and the side wall of pulverizing chamber is provided with charging dress
Put, crush the indoor side corresponding with feeding device and be provided with observation port；
Grading room, the top of grading room are provided with power set, and classification interior is provided with power output shaft and fine powder outlet, power
The top of output shaft is connected with power set, and the bottom of power output shaft is provided with grading wheel, and grading wheel is placed in fine powder and goes out
The bottom of mouth；
Inlet plenum, the side wall of inlet plenum are provided with several particle nozzles, the input and air compressor of particle nozzle
Connection, the bottom of inlet plenum is provided with deslagging chamber；
Feeding device, feeding device include feed hopper, located at the material channel of feed hopper bottom, located at material channel top
Pusher nozzle, the Venturi nozzle in the middle part of material channel, located at the dispersing device of material channel bottom.
Further, the particle nozzle of inlet plenum is distributed in the side wall of inlet plenum, the spray of particle nozzle in same level
Mouth direction and plane-parallel, so that the impact velocity of material is high, can occur strong head-on collision, improve crushing strong between material
Degree.
Further, movable louvre window is provided with the nozzle of pusher nozzle, and movable louvre window is fixedly mounted on raw material and leads to
On road.
Further, dispersing device is fixedly installed in feeding device and pulverizing chamber intersection, dispersing device include a pair it is mutual
What is coordinated breaks up lever apparatus, and breaing up lever apparatus includes the fix bar being symmetrically fixed on material channel and be rotationally connected with raw material leading to
The power rail in road, fix bar are provided with some rake teeths, and one end of power rail is connected in power set, if power rail is provided with
Dry harrowing tooth, fix bar are cooperated by rake teeth with power rail, to realize breaing up material.
As a kind of alternative, dispersing device include cooperating for a pair it is swing break up bar, it is swing to break up bar
Some rake teeths are provided with, swing bar of breaing up is rotationally connected with material channel, and is swung up and down on material channel.
Further, in order to improve intensity and the decay resistance of dispersing device, dispersing device is compound with Fe-based amorphous alloy
Material is made, and Fe-based amorphous alloy composite consists of FeaAlbGacY3-dVdInxCoyBzSir, wherein a, b, c, d, x, y,
Z, r are atomic percent, 70≤a≤76,3≤b≤5, and the value of c is 0 or 2,0≤d≤3,0≤x≤1.86,8≤Co≤10, z
Value be 4 or 8,0≤r≤3.
Preferably, Fe-based amorphous alloy composite is consisted of：Fe76Al4Ga2Y3In1.86Co8B4Si1.14。
In sum, as a result of above-mentioned technical proposal, the beneficial effects of the utility model are：
1st, raw material enters fashionable from feed hopper, by the effect of pusher nozzle, pushes material to material channel, through venturi
The effect of nozzle, prevents material from piling up in material channel, enables raw material to rapidly enter crushing interior, meanwhile, in order to reduce
Bonding occurs in material channel inwall for raw material and fraction is piled up, and by the effect of waving of movable louvre window, makes pusher nozzle
Air force comprehensive material channel can be blown without dead angle, raw material cannot material channel inwall formed bonding
Group and stain, and then clearing times and cleaning difficulty is reduced, improve the usage cycles of feeding device；
2nd, the setting of dispersing device, can break up the material group in raw material fully broken, make into the indoor original of crushing
Material fully scatters, and the raw material after fully scattering is conducive to the crushing process of pulverizing chamber, reduces the formation of hard material group, and then
The quantity of not breakable big particle diameter material is reduced, the crushing process of pulverizer is fully carried out, powder is greatly improved
The crushing efficiency of broken machine；
3rd, dispersing device Fe-based amorphous alloy composite, compared to the ferrous materials of general high intensity, except being manufactured into
This is relatively higher outer, and the intensity of Fe-based amorphous alloy composite, decay resistance and anti-wear performance are better than general high intensity
More than 2 times of ferrous materials, its intensity is up to 2.08GPa, ensure that dispersing device is uninterruptedly used for a long time, reduces replacing
Number of times and replacement cost, coming into operation for a long time beneficial to enterprise, better results for input.
Description of the drawings
Fig. 1 is a kind of structural representation of fluidized bed air flow crusher of the present utility model；
Fig. 2 is grading room of the present utility model and powerplant configuration schematic diagram；
Fig. 3 is pulverizing chamber of the present utility model, inlet plenum and deslagging chamber's structural representation；
Fig. 4 is feeding device structural representation of the present utility model；
Fig. 5 is the structural representation in A sections in Fig. 4；
Fig. 6 is the alternative structural representation in A sections in Fig. 4.
Labelling in figure：1 is pulverizing chamber, and 11 is observation port, and 2 is grading room, and 21 is power output shaft, and 22 export for fine powder,
23 is grading wheel, and 3 is inlet plenum, and 31 is particle nozzle, and 4 is feeding device, and 41 is feed hopper, and 42 is material channel, and 421 is to push away
Material nozzle, 422 is movable louvre window, and 423 is Venturi nozzle, and 424 is dispersing device, and 4241 is fix bar, and 4242 are
Power bar, 4243 is rake teeth, and 4244 break up bar for swing, and 5 is power set, and 51 is motor, and 52 is reduction box, and 53 are transmission
Axle, 6 is deslagging chamber.
Specific embodiment
Below in conjunction with the accompanying drawings, this utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain
This utility model, is not used to limit this utility model.
As shown in Figures 1 to 6, a kind of fluidized bed air flow crusher, it includes：
Pulverizing chamber 1, the top of pulverizing chamber 1 are provided with grading room 2, and bottom is provided with inlet plenum 3, and the side wall of pulverizing chamber 1 is provided with and adds
Material device 4, in pulverizing chamber 1, the side corresponding with feeding device 4 is provided with observation port 11；
Grading room 2, the top of grading room 2 are provided with power set 5, and power set 5 are by motor 51, reduction box 52 and power transmission shaft
53, outfan and the reduction box 52 of motor 51 are connected, Jing after reduction box 52 slows down, the outfan and power transmission shaft of reduction box 52
53 connections, and drive power transmission shaft 53 to rotate, power output shaft 21 and fine powder outlet 22, power output shaft 21 is provided with grading room 2
Top be connected with power set 5, i.e., power output shaft 21 is connected with power transmission shaft 53, the bottom of power output shaft 21
Grading wheel 23 is installed, grading wheel 23 is placed in the bottom of fine powder outlet 22；After power transmission shaft 53 drives power output shaft 21 to rotate, move
Power output shaft 21 drives 23 high-speed rotation of grading wheel, when pulverized material enters grading room 2 with ascending air, due to classification
The high speed rotation of wheel 23, material particles are subject to the centrifugal force that grading wheel is produced, and by the centripetal of air-flow viscous effect generation
Power, when the centrifugal force that particle is subject to is more than centripetal force, is classified during coarse grain more than footpath returns pulverizing chamber 1 and continues to be impacted powder
It is broken, the fine powder outlet 22 that the fine grained below footpath enters 23 top of grading wheel with air-flow is classified, and is discharged by fine powder outlet 22
Pulverizer, the fine powder of discharge obtain target product Jing after cyclone separator and cleaner unit with 22 connection of fine powder outlet are collected, and
Air-flow after being purified by cleaner unit is discharged via air-introduced machine, realizes the process of sizing screening, fines collection.
Inlet plenum 3, the side wall of inlet plenum 3 are provided with several particle nozzles 31, the input and air of particle nozzle 31
Compressor connects, and the bottom of inlet plenum 3 is provided with deslagging chamber 6；Moving gaseouse medium in air compressor is not limited to air, according to material
The difference of property, it is also an option that CO2、N2, He, Ar etc., for example, when the material crushed belongs to sensitivity, inflammable and explosive object
When, the moving gaseouse medium in air compressor is CO2、N2Deng to prevent O2Into and occur potential safety hazard.
Feeding device 4, feeding device 4 include feed hopper 41, located at the material channel 42 of 41 bottom of feed hopper, located at raw material
The pusher nozzle 421 on 42 top of passage, the Venturi nozzle 423 in the middle part of material channel 42, located at 42 bottom of material channel
Dispersing device 424, be provided with movable louvre window 422 at the nozzle of pusher nozzle 421, movable louvre window 422 is fixedly mounted
On material channel 42.Pusher nozzle 421 input connection air compressor, the moving gaseouse medium situation in air compressor with
31 situation of particle nozzle is identical, and when material enters material channel 42 from feed hopper 41, pusher nozzle 421 starts, and to raw material
Passage 42 is blown, and the material in material channel 42 is moved to Venturi nozzle by thrust to the other end of material channel 42
At 423, through the effect of Venturi nozzle 423, the material that blocking occurs easily in the middle part of material channel 42 is made smoothly to promote forward, and
Reach at the dispersing device 424 of 42 bottom of material channel, now, if still suffering from windrow, sizing phenomenon in material channel 42
When, by adjusting the angle of inclination of movable louvre window 422, to change 421 Gas injection direction of pusher nozzle, make blowing direction
At alignment windrow, sizing, and then solve windrow, sizing phenomenon；When material it is pushed to dispersing device 424 when, dispersing device
424 pairs of materials carry out breaing up break process, and material dispersedly into pulverizing chamber 1, and then is greatly reduced thing Jing after breaing up and crush
The quantity of dough.
In the present embodiment, the particle nozzle 31 of inlet plenum 3 is distributed in the side wall of inlet plenum 3 in same level, broken
The nozzle direction of material nozzle 31 and plane-parallel, when material enters pulverizing chamber 1, under differential pressure action, there is fluidised form in material
Change and be accelerated, accelerated material converges in the joint of multiple particle nozzles 31 being arranged in parallel, produce violent impact
Collision friction and crush, vermicelli intensity is improved, and pulverized fine powder moves to the grading room 2 on top with air-flow
In, complete crushing process.
In the present embodiment, dispersing device 424 is fixedly installed in feeding device 4 and 1 intersection of pulverizing chamber, dispersing device
424 include the fix bar broken up lever apparatus, break up that lever apparatus includes being symmetrically fixed on material channel 42 that cooperates for a pair
4241 are provided with some rake teeths 4243, power rail with the power rail 4242 for being rotationally connected with material channel 42, fix bar 4241
4242 one end is connected in power set, and power rail 4242 is provided with some rake teeths 4243, fix bar 4241 and power rail
4242 are cooperated by rake teeth 4243, i.e., the rake teeth 4243 of fix bar 4241 is intersected with the rake teeth 4243 of power rail 4242
Place, when material is entered at dispersing device 424, power rail 4242 is rotated, and the rake teeth 4243 on power rail 4242 is in fix bar
Intert and mistake between 4241 rake teeth 4243, in material, fines is then from rake teeth 4243 and the fix bar 4241 of power rail 4242
Gap location between rake teeth 4243 is passed through, and the material of big particle diameter or material group are then broken up broken under the extruding of rake teeth 4243,
And then become fines through rake teeth 4243, realize and break up shattering process.
In the present embodiment, as a kind of alternative, what dispersing device 424 included cooperating for a pair swing breaks up
Bar 4244, swing bar 4244 of breaing up are provided with some rake teeths 4243, and swing bar 4244 of breaing up is rotationally connected with material channel
On 42, and swing up and down on material channel 42.In the same manner, swing bar 4244 of breaing up mutually does opposing oscillatory, i.e., and wherein one
It is individual that another is then done to lower swing when being swung up, with this repeatedly, and then by way of extruding by the material of big particle diameter or
Material group breaks up broken, it is preferable that it is swing break up bar 4244 oscillator arc control in the range of acute angle, preferably 30 °-
Between 60 °, efficiency is broken up to improve, prevent material leakage and splash material.
In the present embodiment, in order to improve intensity and the decay resistance of dispersing device 424, dispersing device 424 uses iron-based
Amorphous alloy composite material is made, and the composition formula of Fe-based amorphous alloy composite is FeaAlbGacY3-dVdInxCoyBzSir,
Wherein a, b, c, d, x, y, z, r are atomic percent, 70≤a≤76,3≤b≤5, and the value of c is 0 or 2,0≤d≤3,0≤x≤
1.86,8≤Co≤10, the value of z is 4 or 8,0≤r≤3.Preferably, Fe-based amorphous alloy composite is consisted of
Fe76Al4Ga2Y3In1.86Co8B4Si1.14, naturally it is also possible to it is Fe72Al5Ga2V3Co10B8、Fe70Al3Ga2Y1.63 V1.37In1
Co10B8Si3、Fe76Al5Y1.47V1.53Co9B4Si3And Fe74Al3V3In1.54Co9B8Si1.46Deng its preparation method includes following step
Suddenly：
Step one, raw material prepare, and it is 99.99% to take purity respectively, and granularity is 40 μm of Fe powder, and purity is 99.5%, granularity
For 80 μm of Al powder, purity is 99%, and granularity is 80 μm of Ga powder, and purity is 99%, and granularity is 75 μm of Y powder, and purity is
99.5%, granularity is 75 μm of V powder, and purity is 97.5%, and granularity is 120 μm of In powder, and purity is 98.5%, and granularity is 75 μm
Co powder, purity are 99.9%, and granularity is that 15 μm of B powder and purity are 99.9%, and granularity is 75 μm of Si powder, by atomic percent
Nominal alloying component is made into, is then placed in together with the sintered carbide ball of a diameter of 8mm and carry out in planetary type ball-milling tank ball milling, ball
Before mill, ball grinder want evacuation process, when vacuum reaches 0.5Pa in the ball grinder, is filled with the argon of 1MPa into ball grinder,
During ball milling, drum's speed of rotation is 300r/min, and ball powder mass ratio is 25:1, Ball-milling Time is 150h, obtains iron-based amorphous powder；
Step 2, the iron-based amorphous powder for obtaining be placed in heat-treatment furnace made annealing treatment, annealing temperature is 550 DEG C,
Heating rate is 20 DEG C/min, and annealing time is 1h, the iron-based amorphous powder after being annealed；
Step 3, the iron-based amorphous powder after the annealing for obtaining is placed in thermal conductivity more than 30W/（m·K）Hard alloy
In mould, mould is assembled, then mould is placed in discharging plasma sintering equipment carries out high-pressure sinter, extract before sintering and burn
To 0.5Pa, during sintering, sintering pressure is 500MPa to the indoor vacuum of knot, and sintering temperature is 950 DEG C, heating rate is 90 DEG C/
Min, is incubated 8min, is finally quickly cooled to room temperature.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in this utility model
Protection domain within.
Claims (5)
1. a kind of fluidized bed air flow crusher, it is characterised in that it includes：
Pulverizing chamber, the top of pulverizing chamber are provided with grading room, and bottom is provided with inlet plenum, and the side wall of pulverizing chamber is provided with feeding device, powder
The broken interior side corresponding with feeding device is provided with observation port；
Grading room, the top of grading room are provided with power set, and classification interior is provided with power output shaft and fine powder outlet, power output
The top of axle is connected with power set, and the bottom of power output shaft is provided with grading wheel, and grading wheel is placed in fine powder outlet
Bottom；
Inlet plenum, the side wall of inlet plenum are provided with several particle nozzles, and the bottom of inlet plenum is provided with deslagging chamber；
Feeding device, feeding device include feed hopper, located at the material channel of feed hopper bottom, located at pushing away for material channel top
Material nozzle, the Venturi nozzle in the middle part of material channel, located at the dispersing device of material channel bottom.
2. fluidized bed air flow crusher as claimed in claim 1, it is characterised in that the particle nozzle of inlet plenum is in same level
The side wall of inlet plenum, the nozzle direction of particle nozzle and plane-parallel is distributed on face.
3. fluidized bed air flow crusher as claimed in claim 1, it is characterised in that be provided with movable at the nozzle of pusher nozzle
Shutter, movable louvre window are fixedly mounted on material channel.
4. fluidized bed air flow crusher as claimed in claim 1, it is characterised in that dispersing device is fixedly installed in feeding device
With pulverizing chamber intersection, dispersing device includes that what is cooperated for a pair breaks up lever apparatus, and breaing up lever apparatus includes being symmetrically fixed on
Fix bar on material channel and the power rail for being rotationally connected with material channel, fix bar are provided with some rake teeths, power rail
One end is connected in power set, and power rail is provided with some rake teeths, and fix bar is cooperated by rake teeth with power rail, with
Realization is broken up to material.
5. fluidized bed air flow crusher as claimed in claim 1, it is characterised in that dispersing device includes what is cooperated for a pair
Swing to break up bar, swing bar of breaing up is provided with some rake teeths, and swing bar of breaing up is rotationally connected with material channel, and
Swing up and down on material channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620886273.5U CN206027882U (en) | 2016-08-16 | 2016-08-16 | Fluid -bed air flow crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620886273.5U CN206027882U (en) | 2016-08-16 | 2016-08-16 | Fluid -bed air flow crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206027882U true CN206027882U (en) | 2017-03-22 |
Family
ID=58306244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620886273.5U Expired - Fee Related CN206027882U (en) | 2016-08-16 | 2016-08-16 | Fluid -bed air flow crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206027882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076562A (en) * | 2016-08-16 | 2016-11-09 | 攀枝花市九鼎智远知识产权运营有限公司 | Fluidized bed air flow crusher |
| CN109433334A (en) * | 2018-11-30 | 2019-03-08 | 湖南超科机械有限公司 | Powder depolymerizer |
-
2016
- 2016-08-16 CN CN201620886273.5U patent/CN206027882U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106076562A (en) * | 2016-08-16 | 2016-11-09 | 攀枝花市九鼎智远知识产权运营有限公司 | Fluidized bed air flow crusher |
| CN109433334A (en) * | 2018-11-30 | 2019-03-08 | 湖南超科机械有限公司 | Powder depolymerizer |
| CN109433334B (en) * | 2018-11-30 | 2024-06-07 | 湖南超科机械有限公司 | Powder depolymerizer |
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