CN206701724U - A kind of large-scale micrometer grader - Google Patents
A kind of large-scale micrometer grader Download PDFInfo
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- CN206701724U CN206701724U CN201720028365.4U CN201720028365U CN206701724U CN 206701724 U CN206701724 U CN 206701724U CN 201720028365 U CN201720028365 U CN 201720028365U CN 206701724 U CN206701724 U CN 206701724U
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- housing
- grader
- air inlet
- fine powder
- graded region
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Abstract
The utility model provides a kind of large-scale micrometer grader, it uses gravity, free vortex flow and forced vortex classification to be combined mode, particle before classification can be completely dispersed in the gas flow, it make it that airflow field is stable, and whole classification function is largely classified material, so that the efficiency of separation is high, production cost is low.Housing include sequentially arrange from bottom to top free vortex flow area, forced vortex area, middle part transition region, top graded region, the bottom in the free vortex flow area is the coarse powder feed opening to close up from up to down, first charging aperture, natural air inlet mouth are respectively arranged with the conical surface in the free vortex flow area, the center of the top graded region is provided with discharging housing, the discharging housing is installed in the center of the lower surface of the top plate of the housing, and the center of the discharging housing is provided with the fine powder discharge nozzle arranged from bottom to top.
Description
Technical field
The technical field of stock grading is the utility model is related to, specially a kind of large-scale micrometer grader.
Background technology
Gas flow sizing machine is widely used in chemical industry, mineral, metallurgy, abrasive material, ceramics, refractory material, medicine, agricultural chemicals, food
Etc. industry.Material enters its inner chamber under the wind-force effect of air inducing unit by the charging aperture of gas flow sizing machine lower end, and with upper
Air-flow high-speed motion is risen to upper part level area, under powerful centrifugal action caused by the sorting unit in high speed rotation, makes thickness
Feed separation, the fine grained for meeting Particle size requirements enters discharge chamber by sorting unit impeller clearance, and is exported by discharging opening, slightly
Speed disappears after particle hits wall, drops at discharge port and discharges along barrel.With the development of society, the granularity requirements of product are more next
It is higher, and energy-conserving and environment-protective also turn into primary requirement of the industry-by-industry to equipment.However, existing gas flow sizing machine airflow field mixes
Disorderly, distribution of air flow is unreasonable, and so as to cause effectiveness of classification not high, fineness is inadequate, while the sealing structure of equipment is unreasonable, sorting
Efficiency is low, and the distinct issues such as energy consumption height, production cost also accordingly increases.Existing classification motor and classifying turbine pass through connection
The progress of axle device is direct-connected, due to needing the position of extra arrangement classification motor, causes the housing floor space of whole grader big, enters
And limit the quantity arrangement for classifying turbine of knowing clearly so that whole grader can not carry out extensive material processing.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of large-scale micrometer grader, its use gravity, free vortex flow and
Forced vortex classification is combined mode, and the particle before classification can be completely dispersed in the gas flow, and it make it that airflow field is stable, and entirely
Classification function is largely classified material so that the efficiency of separation is high, and production cost is low.
A kind of large-scale micrometer grader, it is characterised in that：It is free vortex flow area that housing includes sequentially arranging from bottom to top, strong
Vortex processed, middle part transition region, top graded region, the bottom in the free vortex flow area are the coarse powder blanking closed up from up to down
Mouthful, it is respectively arranged with first charging aperture, natural air inlet mouth, the center of the top graded region on the conical surface in the free vortex flow area
Position is provided with discharging housing, and the discharging housing is installed in the center of the lower surface of the top plate of the housing, it is described go out
The center of material shell body is provided with the fine powder discharge nozzle arranged from bottom to top, and the bottom outer ring surface of the fine powder discharge nozzle is uniform
There are the more feeding channels to extend radially outwardly, the radial outer end of the feeding channel is provided with outer shroud installing plate, the fine powder
The convex top plate in housing of discharge nozzle, the fine powder discharge nozzle are located at the center of the top plate of the housing, the top plate
Upper end face ring is furnished with six motors, and the output end of each motor is connected to positioned at the housing sidewall position by belt respectively
The input of bearing block, the output end of the bearing block are located at the inside of the top graded region of the housing, each bearing
The output end of seat is respectively installed with grading wheel, and the inner end plate of the grading wheel is installed in the outer shroud installing plate of correspondence position respectively,
The motor, feeding channel, bearing block, the quantity of grading wheel are each six, correspond respectively and each corresponding arrangement is installed.
It is further characterized by：
The forced vortex area is the circular cone structure to close up from bottom to top, and the outer ring surface in the forced vortex area is provided with
Circular air inlet pipe, the exit of the circular air inlet pipe are connected to the outer shroud air inlet in the forced vortex area by oblique blade,
The air intake, which is set, causes the wind speed into forced vortex area to become big, and the pipeline of the circular cone structure due to closing up from bottom to top is set
Put so that material is fully spread in forced vortex area, then diffused up；
The transition region is the rounding frustum structure of enlarging from bottom to top, and it is easy to material uniformly to spread upwards；
The top graded region is cylindrical structural, and the lower section of the top graded region is close to the position of the transition region point
Window construction, second charging aperture She Zhi not observed, the observation window is used to observing material mixing situation, to adjust annular blast pipe
Blast and charging aperture charging situation；
The second charging aperture is circumscribed with charging transition conduit obliquely, and the upper part of the charging transition conduit is vertical
End, it ensures that material can be then equal in the presence of the air-flow of lower end by the smooth cavity for entering top graded region of gravity
Even diffusion；
The top plate is provided with the first air inlet, and first air inlet is communicated to the discharging housing, fine powder discharge nozzle
The transitional cavity that is formed of outer wall in；
Mounting flange on the shell of each bearing block, the mounting flange are fastenedly connected the corresponding position of housing sidewall
Put, the inner chamber of the bearing block is provided with air-tight structure, prevents from being mixed into particle or oily pollution material in bearing, ensures the bearing longevity
Life and safe handling.
After the utility model, material enters grader, and material pneumatic jig is made in forced vortex area, external wind first
With, particle is fully dissipated, and graded region is risen to, material is classified in graded region by grading wheel, does not reach the coarse grain of requirement
Screwed off along container wall to free turbine area, extraneous natural wind and be rectified into homogeneous eddy flow, will mixed or be adhered in coarse powder
Fines segregation, coarse grain after separation are discharged from bottom coarse grain mouth, are reached the particulate of requirement and are caught with being finally entered in air current classifying wheel
Storage is collected, packaging, and gas is discharged from air-introduced machine after purification；It uses gravity, free vortex flow and forced vortex classification to be combined
Mode, the particle before classification can be completely dispersed in the gas flow, and it make it that airflow field is stable, and whole classification function is largely classified thing
Material so that the efficiency of separation is high, and production cost is low；And due to being transmitted between motor and grading wheel by belt, bearing block, make
Obtaining the quantity of grading wheel can arrange according to the actual requirements so that whole grader can carry out extensive material processing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is partial enlargement structural representation at Fig. 1 A；
Reference name in figure corresponding to each sequence number is as follows：
Free vortex flow area 1, forced vortex area 2, middle part transition region 3, top graded region 4, coarse powder feed opening 5, first are fed
Mouthfuls 6, natural air inlet mouth 7, discharging housing 8, top plate 9, fine powder discharge nozzle 10, feeding channel 11, outer shroud installing plate 12, motor 13,
Belt 14, bearing block 15, grading wheel 16, circular air inlet pipe 17, oblique blade 18, second charging aperture 19, charging transition conduit 20, first
Air inlet 21, transitional cavity 22, mounting flange 24, observation window construction 25.
Embodiment
A kind of large-scale micrometer grader, is shown in Fig. 1：Housing includes free vortex flow area 1, the pressure sequentially arranged from bottom to top
Vortex 2, middle part transition region 3, top graded region 4, the bottom in free vortex flow area 1 are the coarse powder feed opening 5 to close up from up to down,
First charging aperture 6, natural air inlet mouth 7 are respectively arranged with the conical surface in free vortex flow area 1, the centre bit of top graded region 4 installs
Discharging housing 8 is equipped with, discharging housing 8 is installed in the center of the lower surface of the top plate 9 of housing, the centre bit for the housing 8 that discharges
The fine powder discharge nozzle 10 for being equipped with and arranging from bottom to top is installed, the bottom outer ring surface of fine powder discharge nozzle 10 is evenly equipped with more radially outward
The feeding channel 11 of extension, the radial outer end of feeding channel 11 are provided with outer shroud installing plate 12, and fine powder discharge nozzle 10 is convex in shell
The top plate 9 of body, fine powder discharge nozzle 10 are located at the center of the top plate 9 of housing, and the upper end face ring of top plate 9 is furnished with several motors
13, the output end of each motor 13 is connected to the input of the bearing block 15 positioned at housing sidewall position by belt 14 respectively,
The output end of bearing block 15 is located at the inside of the top graded region 4 of housing, and the output end of each bearing block 15 is respectively installed with point
Step cone 16, the inner end plate of grading wheel 16 are installed in the outer shroud installing plate 12 of correspondence position, motor 13, feeding channel 11, axle respectively
Bearing 15, the quantity of grading wheel 16 correspond and each corresponding arrangement installation.
Forced vortex area 2 is the circular cone structure to close up from bottom to top, and the outer ring surface in forced vortex area 2 is provided with annular and entered
Airduct 17, the exit of circular air inlet pipe 17 are connected to the outer shroud air inlet in forced vortex area 2 by oblique blade 18, and the air intake is set
Put and cause the wind speed into forced vortex area 2 to become big, and the pipeline of the circular cone structure due to closing up from bottom to top is set so that
Material is fully spread in forced vortex area 2, then diffused up；
Transition region 3 is the rounding frustum structure of enlarging from bottom to top, and it is easy to material uniformly to spread upwards；
Top graded region 4 is cylindrical structural, and the lower section of top graded region 4 sets sight respectively close to the position of transition region 3
Examine window construction 25, second charging aperture 19, observation window construction 25 is used to observing material mixing situation, to adjust annular blast pipe 17
Blast and first charging aperture 6, the charging situation of second charging aperture 19；
Second charging aperture 19 is circumscribed with charging transition conduit 20 obliquely, and the upper part of charging transition conduit 20 is vertical
End, it ensures that material can be then equal in the presence of the air-flow of lower end by the smooth cavity for entering top graded region 4 of gravity
Even diffusion；
Top plate 9 is provided with the first air inlet 21, the first air inlet 21 be communicated to discharging housing 8, fine powder discharge nozzle 10 it is outer
In the transitional cavity 22 that wall is formed；
Mounting flange 24 on the shell of each bearing block 15, mounting flange 24 are fastenedly connected the correspondence position of housing sidewall,
The inner chamber of bearing block 15 is provided with air-tight structure, prevents from being mixed into particle or oily pollution material in bearing, ensure bearing life and
Safe handling；
In specific embodiment, motor 13, feeding channel 11, bearing block 15, the quantity of grading wheel 16 are six.
Its operation principle is as follows：Material pneumatic jig is acted in forced vortex area 2, external wind first, particle is fully dissipated,
And graded region 4 is risen to, material is classified in graded region, and the coarse grain for not reaching requirement is screwed off to free turbine area 1 along container wall,
Extraneous natural wind is rectified into homogeneous eddy flow, the fines segregation that will mix or be adhered in coarse powder, and the coarse grain after separation is from bottom
Coarse grain mouth 5 is discharged, and the particulate for reaching requirement enters in grading wheel 16 with air-flow, and final grain of inhaling is discharged from fine powder discharge nozzle 10, is entered
Enter trap to collect, pack, gas is discharged from air-introduced machine after purification；It uses gravity, free vortex flow and forced vortex classification phase
Combination, the particle before classification can be completely dispersed in the gas flow, and it make it that airflow field is stable, and whole classification function is largely divided
Level material so that the efficiency of separation is high, and production cost is low.
Wherein the first charging aperture 6 of grader, second charging aperture 19 can respectively with the powder such as various large-size ball mills, roller mill
Mill equipment is used in series, and composition loop circuit crushes, wherein the coarse powder flowed out from coarse powder feed opening 5 can select access connection second
The entrance of the milling equipment of charging aperture 19, such coarse fodder flow into second charging aperture 19 after grinding again, improve material
Utilization rate；Specifically how to arrange that first charging aperture 6, the material of second charging aperture 19 are set according to actual conditions.When classification is worn
During the strong material of property, housing can add wear-resistant liner, and grading wheel 16 can use high-abrasive material, prevent from wearing.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment, it is impossible to be considered as the practical range for limiting the utility model creation.All created according to the utility model is applied
Equivalent change that scope is made all should be belonged to still within this patent covering scope with improving etc..
Claims (7)
- A kind of 1. large-scale micrometer grader, it is characterised in that：Housing includes free vortex flow area, the pressure sequentially arranged from bottom to top Vortex, middle part transition region, top graded region, the bottom in the free vortex flow area are the coarse powder feed opening to close up from up to down, First charging aperture, natural air inlet mouth, the centre bit of the top graded region are respectively arranged with the conical surface in the free vortex flow area Install and be equipped with discharging housing, the discharging housing is installed in the center of the lower surface of the top plate of the housing, the discharging The center of housing is provided with the fine powder discharge nozzle arranged from bottom to top, and the bottom outer ring surface of the fine powder discharge nozzle is evenly equipped with The feeding channel that the six roots of sensation extends radially outwardly, the radial outer end of the feeding channel are provided with outer shroud installing plate, and the fine powder goes out The convex top plate in housing of expects pipe, the fine powder discharge nozzle are located at the center of the top plate of the housing, the top plate it is upper End face ring is furnished with six motors, and the output end of each motor is connected to the axle positioned at the housing sidewall position by belt respectively The input of bearing, the output end of the bearing block are located at the inside of the top graded region of the housing, each bearing block Output end be respectively installed with grading wheel, the inner end plate of the grading wheel is installed in the outer shroud installing plate of correspondence position, institute respectively Each six of motor, feeding channel, bearing block, the quantity of grading wheel are stated, corresponds respectively and each corresponding arrangement is installed.
- A kind of 2. large-scale micrometer grader as claimed in claim 1, it is characterised in that：The forced vortex area is from bottom to top The circular cone structure of closing in, the outer ring surface in the forced vortex area are provided with circular air inlet pipe, the outlet of the circular air inlet pipe Place is connected to the outer shroud air inlet in the forced vortex area by oblique blade.
- A kind of 3. large-scale micrometer grader as claimed in claim 1, it is characterised in that：The transition region is enlarging from bottom to top Rounding frustum structure.
- A kind of 4. large-scale micrometer grader as claimed in claim 1, it is characterised in that：The top graded region is tied for cylinder Structure, the lower section of the top graded region set observation window construction, second charging aperture close to the position of the transition region respectively.
- A kind of 5. large-scale micrometer grader as claimed in claim 4, it is characterised in that：The second charging aperture is circumscribed with oblique On charging transition conduit, it is described charging transition conduit upper part be vertical end.
- A kind of 6. large-scale micrometer grader as claimed in claim 3, it is characterised in that：The top plate is provided with the first air inlet Mouthful, first air inlet is communicated to described discharge in the transitional cavity that housing, the outer wall of fine powder discharge nozzle are formed.
- A kind of 7. large-scale micrometer grader as claimed in claim 1, it is characterised in that：Pacify on the shell of each bearing block Flange is filled, the mounting flange is fastenedly connected the correspondence position of housing sidewall, and the inner chamber of the bearing block is provided with airtight sealed knot Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028365.4U CN206701724U (en) | 2017-01-11 | 2017-01-11 | A kind of large-scale micrometer grader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028365.4U CN206701724U (en) | 2017-01-11 | 2017-01-11 | A kind of large-scale micrometer grader |
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| Publication Number | Publication Date |
|---|---|
| CN206701724U true CN206701724U (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720028365.4U Active CN206701724U (en) | 2017-01-11 | 2017-01-11 | A kind of large-scale micrometer grader |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694366A (en) * | 2017-01-11 | 2017-05-24 | 江苏密友粉体新装备制造有限公司 | Large micron classifier |
| CN108273740A (en) * | 2018-03-30 | 2018-07-13 | 上海益非亚粉体技术设备有限公司 | A kind of ultra-large type grader |
-
2017
- 2017-01-11 CN CN201720028365.4U patent/CN206701724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106694366A (en) * | 2017-01-11 | 2017-05-24 | 江苏密友粉体新装备制造有限公司 | Large micron classifier |
| CN108273740A (en) * | 2018-03-30 | 2018-07-13 | 上海益非亚粉体技术设备有限公司 | A kind of ultra-large type grader |
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