CN202438465U - Air flow classifier - Google Patents
Air flow classifier Download PDFInfo
- Publication number
- CN202438465U CN202438465U CN2012200660050U CN201220066005U CN202438465U CN 202438465 U CN202438465 U CN 202438465U CN 2012200660050 U CN2012200660050 U CN 2012200660050U CN 201220066005 U CN201220066005 U CN 201220066005U CN 202438465 U CN202438465 U CN 202438465U
- Authority
- CN
- China
- Prior art keywords
- classification
- classifying turbine
- inner barrel
- whirlwind tube
- barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses an air flow classifier belonging to the technical field of solid powder classification equipment. The classifier comprises a classification impeller driven by a power device, wherein the periphery of the classification impeller is sheathed with a cyclone barrel for classified air flow to pass; the top of the cyclone barrel is provided with a feeding hole corresponding to the classification impeller in position; the cyclone barrel is provided with an air inlet; a classification cavity for classifying materials is formed between the cyclone barrel and the classification impeller; an inner barrel is arranged below the classification impeller; a sealing device is arranged between the inner barrel and the classification impeller; the bottom of the inner barrel is provided with a fine powder outlet; an outer barrel surrounding the inner barrel is hermetically connected below the cyclone barrel; and the bottom of the outer barrel is provided with a coarse powder outlet. By adoption of the structure to classify materials, the materials fall into the classification cavity from the feeding hole under gravity, and one cyclone barrel and one classification impeller are adopted to realize the separation of coarse powder from fine powder. The classifier is simple in structure, stable in performance and low in energy consumption.
Description
Technical field
The utility model relates to a kind of pressed powder classifying equipoment, relates in particular to a kind of gas flow sizing machine.
Background technology
The classification principle of present gas flow sizing machine all is that material is delivered in the grading room usually, and the cooperation through classification air-flow and grading wheel in the grading room makes stock grading, adopts secondary air usually for improving a lot of graders of grading effect; Even three air intakes, perhaps adopt two even more a plurality of grading wheel, cause the structure more complicated of complete machine; And energy consumption is higher; And, adopting high-precision gas flow sizing machine relatively to waste for some material lower to the classification fineness requirement, the charging aperture of some gas flow sizing machine is positioned at the below of grading room; Divide unit room to need bigger air-flow to blow for powder is arrived, energy consumption is bigger.
Summary of the invention
The utility model technical problem to be solved is: a kind of gas flow sizing machine is provided, and it is simple in structure, and energy consumption is low, and being fit to separate diameter range is the medium fineness powder of 20-200um.
For solving the problems of the technologies described above; The technical scheme of the utility model is: a kind of gas flow sizing machine, comprise the classifying turbine that drives by power set, and said classifying turbine periphery is arranged with the whirlwind tube that supplies the classification air communication to cross; The top of said whirlwind tube is provided with and the corresponding charging aperture in said classifying turbine position; Said whirlwind tube is provided with air inlet, forms the classification chamber to stock grading between said whirlwind tube and the classifying turbine, and said classifying turbine below is provided with inner barrel; Be provided with sealing device between said inner barrel and the said classifying turbine; The bottom of said inner barrel is provided with the fine powder discharging opening, and said whirlwind tube below is sealedly connected with the outer cylinder body around inner barrel, and the bottom of said outer cylinder body is provided with the meal discharging opening.
As a kind of improvement; Said sealing device comprises first labyrinth ring and second labyrinth ring that cooperatively interacts; Said first labyrinth ring is fixedly installed on the said inner barrel and said first labyrinth ring is provided with annular groove; Said second labyrinth ring is fixedly installed on the said classifying turbine and said second labyrinth ring is provided with annular ridge; Said second sealing ring is provided with the resistance material ring that is centered around the first sealing ring periphery, and said inner barrel is provided with the inlet channel that is communicated with ambient atmosphere, and said inlet channel runs through said outer cylinder body and is communicated with said annular groove.
As a kind of improvement, the end of said inlet channel is provided with air filter.
As a kind of improvement; Be installed with on the said whirlwind tube and guide the classification air-flow to blow to the inducer of classifying turbine; Said inducer comprises the upward dish and the lower wall of annular; Said going up between dish and the lower wall is provided with some flow deflectors, and said flow deflector annular array distributes, and forms the gap that supplies the classification air communication to cross between the two adjacent flow deflectors.
As a kind of improvement, be provided with the blocking material frame that stops material entering whirlwind tube between said whirlwind tube and the inducer.
As a kind of improvement, said classifying turbine upper fixed is equipped with the lead material spreading cone in classification chamber of material, and said material spreading cone is corresponding with the charging aperture position.
Owing to adopted technique scheme, the utlity model has following several advantage:
(1) charging aperture is positioned at top, classification chamber, and material is fallen to the classification chamber by the self gravitation effect, saves conduct and transports the air-flow of material power, and help material dispersed, has both reduced energy consumption, and can reduce the air pressure in the complete machine.
(2) material drops on the classifying turbine, and the classifying turbine rotation is uniformly dispersed material and falls into the classification chamber, improves grading effect; For making grading effect higher, the classifying turbine upper fixed has material spreading cone, so material spreading cone and classifying turbine rotate synchronously; When material fell on the material spreading cone, the material spreading cone rotation disperseed material, is evenly scattered in the classification chamber; More can guarantee grading effect, the charging rate of material is fast, and classifying turbine speeds up accordingly; Can guarantee that equally material is uniformly dispersed, guarantee the classification quality.
(3) only use a classifying turbine; The classifying turbine periphery is provided with the into whirlwind tube of classification air-flow; The classification fineness can be come through the rotating speed of classifying turbine and/or the intensity of classification air-flow, reaches the classification fineness of control powder and the purpose that improves output, and is easy to use.
(4) only use a whirlwind tube, promptly only adopt air intake one time, saved secondary air, in addition three air intakes, both reduced energy consumption, also reduced the complexity of device structure, saved the space.
(5) outer cylinder body of collecting inner barrel and the meal of fine powder after the classification all is positioned at the below in extension set chamber, and the fine powder discharging opening is positioned at below the inner barrel, and fine powder itself has whereabouts trend under the effect of gravity; During therefore from fine powder discharging opening collection fine powder, the suction that applies is less, has reduced energy consumption; The meal discharging opening is positioned at the outer cylinder body below, and the bigger gravity that utilizes of the particle of meal can fast speed fall, when being discharged by the meal discharging opening; More save energy; Cut down the consumption of energy, and this two discharging openings only are set, debugging gas flow sizing machine that can be very fast is to optimum performance.
In sum, this machine has greatly reduced energy consumption, even under the very fast situation of charging rate; The pressure of whole system can remain on 600-800dapa, and the material gravity that material from top to bottom makes full use of when operation cuts down the consumption of energy; Also make the running of material shorter; Each installation site of this machine also as far as possible according to from top to bottom order, makes compact integral structure, and floor space is little.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structure cutaway view of the utility model embodiment;
Fig. 2 is the partial enlarged drawing of A portion among Fig. 1;
Fig. 3 is the structural representation of the utility model inducer;
Among the figure: 1, top cover; 2, the whirlwind tube; 3, blocking material frame; 4, inducer; 41, last dish; 42, flow deflector; 43, lower wall; 5, classifying turbine; 6, air filter; 7, inlet channel; 8, outer cylinder body; 9, motor; 10, main shaft; 11, charging aperture; 12, material spreading cone; 13, the fine powder discharging opening; 14, inner barrel; 15, the meal discharging opening; 16, the second labyrinth rings; 17, the resistance material ring; 18, the first labyrinth rings.
The specific embodiment
Shown in Fig. 1, Fig. 2 and Fig. 3 are common; A kind of gas flow sizing machine; Comprise the classifying turbine 5 that is driven by power set, said classifying turbine 5 is fixedly installed on the main shaft 10, and said power set are generally motor 9; Said motor 9 is in transmission connection with main shaft 10, can change the rotating speed of classifying turbine 5 through frequency converter;
Said classifying turbine 5 peripheries are arranged with the whirlwind tube 2 that supplies the classification air communication to cross, and said whirlwind tube 2 is provided with air inlet, form the classification chamber to stock grading between said whirlwind tube 2 and the classifying turbine 5; Be installed with on the said whirlwind tube 2 and guide the classification air-flow to blow to the inducer 4 of classifying turbine 5; Said inducer 4 comprises the upward dish 41 and lower wall 43 of annular, and said going up between dish 41 and the lower wall 43 is provided with some flow deflectors 42, said flow deflector 42 annular arrays distribution; Form the gap that supplies the classification air communication to cross between the two adjacent flow deflectors 42; Through inducer 4 guiding classification air-flows, improve grading effect, be provided with the blocking material frame 3 that stops material entering whirlwind tube 2 between said whirlwind tube 2 and the inducer 4; The dish 41 of going up of said inducer 4 is installed on the blocking material frame 3, and lower wall 43 is installed on the whirlwind tube 2;
The top of said whirlwind tube 2 is provided with corresponding charging aperture 11 said classifying turbine 5 upper fixed in said classifying turbine 5 positions and is equipped with the lead material spreading cone 12 in classification chamber of material; Said material spreading cone 12 is corresponding with charging aperture 11 positions; Be sealed and installed with top cover 1 on the said whirlwind tube 2, said charging aperture 11 is arranged on the top cover 1;
Said classifying turbine 5 belows are provided with inner barrel 14; Be provided with sealing device between said inner barrel 14 and the said classifying turbine 5; Sealing device is specifically as shown in Figure 2, and said sealing device comprises first labyrinth ring 18 and second labyrinth ring 16 that cooperatively interacts, and said first labyrinth ring 18 is fixedly installed on the said inner barrel 14 and said first labyrinth ring 18 is provided with annular groove; Said second labyrinth ring 16 is fixedly installed on the said classifying turbine 5 and said second labyrinth ring 16 is provided with annular ridge; Said second sealing ring is provided with the resistance material ring 17 that is centered around the first sealing ring periphery, and resistance material ring 17 can prevent that material from getting into that said inner barrel 14 is provided with inlet channel 7 between first labyrinth ring 18 and second labyrinth ring 16, and said inner barrel 14 is provided with the inlet channel 7 that is communicated with ambient atmosphere; Said inlet channel 7 runs through said outer cylinder body 8 and is communicated with said annular groove; Inlet channel 7 can make outside air get in the annular groove of first labyrinth ring 18, prevents that the material of outer cylinder body 8 from getting into the gap between first labyrinth ring 18 and second labyrinth ring 16 with air-flow, and the end of said inlet channel 7 is provided with air filter 6; Impurity in air filter 6 filtered airs; Play a protective role, can prevent to get into inner barrel 14, influence grading effect by the space beyond the classifying turbine 5 through above-mentioned sealing device;
The bottom of said inner barrel 14 is provided with fine powder discharging opening 13; Said whirlwind tube 2 belows are sealedly connected with the outer cylinder body 8 around inner barrel 14; The bottom of said outer cylinder body 8 is provided with meal discharging opening 15, and outer cylinder body 8 is installed on the support that supports it, forms body with support.
The operation principle of the utility model is: material is got into by charging aperture 11, drops on the material spreading cone 12 in entering under the gravity effect, and material spreading cone 12 is in the drive decline material of classifying turbine 5 gets rid of like the classification chamber uniformly; The classification air-flow that is got into by the air inlet of whirlwind tube 2 blows to classifying turbine 5 with the material in the extension set chamber; Fine powder gets into inner barrel 14 by classifying turbine 5, is discharged by fine powder discharging opening 13, and meal falls into outer cylinder body 8 by the classification chamber; Discharge by meal discharging opening 15; Realize classification, the classification fineness is by the rotary speed of classifying turbine 5 and/or the intensity decision of classification air-flow, and the utility model is applicable to raw materials such as feldspar, quartz, nepheline, wollastonite.
Claims (6)
1. gas flow sizing machine is characterized in that: comprise the classifying turbine that is driven by power set, said classifying turbine periphery is arranged with the whirlwind tube that supplies the classification air communication to cross; The top of said whirlwind tube is provided with and the corresponding charging aperture in said classifying turbine position; Said whirlwind tube is provided with air inlet, forms the classification chamber to stock grading between said whirlwind tube and the classifying turbine, and said classifying turbine below is provided with inner barrel; Be provided with sealing device between said inner barrel and the said classifying turbine; The bottom of said inner barrel is provided with the fine powder discharging opening, and said whirlwind tube below is sealedly connected with the outer cylinder body around inner barrel, and the bottom of said outer cylinder body is provided with the meal discharging opening.
2. gas flow sizing machine as claimed in claim 1; It is characterized in that: said sealing device comprises first labyrinth ring and second labyrinth ring that cooperatively interacts; Said first labyrinth ring is fixedly installed on the said inner barrel and said first labyrinth ring is provided with annular groove; Said second labyrinth ring is fixedly installed on the said classifying turbine and said second labyrinth ring is provided with annular ridge; Said second sealing ring is provided with the resistance material ring that is centered around the first sealing ring periphery, and said inner barrel is provided with the inlet channel that is communicated with ambient atmosphere, and said inlet channel runs through said outer cylinder body and is communicated with said annular groove.
3. gas flow sizing machine as claimed in claim 2 is characterized in that: the end of said inlet channel is provided with air filter.
4. gas flow sizing machine as claimed in claim 1; It is characterized in that: be installed with the inducer that guiding classification air-flow blows to classifying turbine on the said whirlwind tube; Said inducer comprises the upward dish and the lower wall of annular; Said going up between dish and the lower wall is provided with some flow deflectors, and said flow deflector annular array distributes, and forms the gap that supplies the classification air communication to cross between the two adjacent flow deflectors.
5. gas flow sizing machine as claimed in claim 4 is characterized in that: be provided with the blocking material frame that stops material entering whirlwind tube between said whirlwind tube and the inducer.
6. like the described gas flow sizing machine of each claim of claim 1-5, it is characterized in that: said classifying turbine upper fixed is equipped with the lead material spreading cone in classification chamber of material, and said material spreading cone is corresponding with the charging aperture position.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200660050U CN202438465U (en) | 2012-02-27 | 2012-02-27 | Air flow classifier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200660050U CN202438465U (en) | 2012-02-27 | 2012-02-27 | Air flow classifier |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202438465U true CN202438465U (en) | 2012-09-19 |
Family
ID=46819921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012200660050U Expired - Lifetime CN202438465U (en) | 2012-02-27 | 2012-02-27 | Air flow classifier |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202438465U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102601053A (en) * | 2012-02-27 | 2012-07-25 | 山东惟远新材料装备有限公司 | Airflow grader |
CN104353616A (en) * | 2014-11-20 | 2015-02-18 | 太仓金溪粉粹设备有限公司 | Vertical airflow classifier |
CN115971048A (en) * | 2023-03-20 | 2023-04-18 | 江苏泓诺健生物医药科技有限公司 | Ganoderma lucidum spore powder airflow grading device |
-
2012
- 2012-02-27 CN CN2012200660050U patent/CN202438465U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102601053A (en) * | 2012-02-27 | 2012-07-25 | 山东惟远新材料装备有限公司 | Airflow grader |
CN104353616A (en) * | 2014-11-20 | 2015-02-18 | 太仓金溪粉粹设备有限公司 | Vertical airflow classifier |
CN115971048A (en) * | 2023-03-20 | 2023-04-18 | 江苏泓诺健生物医药科技有限公司 | Ganoderma lucidum spore powder airflow grading device |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202438465U (en) | Air flow classifier | |
CN102601053A (en) | Airflow grader | |
CN102688848A (en) | Airflow type revolving screen | |
CN210701173U (en) | High-efficient grader that breaks up | |
CN204842208U (en) | Wheeled air current selection powder machine crouches | |
CN206911489U (en) | Micronizer | |
CN202343454U (en) | Power selecting and collecting device | |
CN110976288A (en) | Energy-saving environment-friendly efficient powder concentrator | |
CN204892373U (en) | High dispersivity vortex selection powder machine | |
CN103331263A (en) | Cereal homogenizing and collecting device | |
CN215198235U (en) | Sorting unit of birotor structure | |
CN206229684U (en) | A kind of air selects powder system and its powder concentrator | |
CN202290575U (en) | High-efficiency turbine ultra-fine grader | |
CN204841881U (en) | Graphite processing equipment | |
CN104798558B (en) | Double wind internal-suction type feed grinders | |
CN209577389U (en) | Powder raw material sorting machine | |
CN203526068U (en) | Novel powder concentrator | |
CN103008242A (en) | Single-box multi-stage grader | |
CN209439003U (en) | A kind of silicon carbide micro-powder air current classifying equipment | |
CN208146239U (en) | A kind of rotational flow sorting device of crushed material grain diameter | |
CN203076204U (en) | Efficient powder concentrator | |
CN112742710A (en) | Winnowing equipment | |
CN106560256A (en) | Airflow classifier | |
CN105944820B (en) | Outer circulation high-effective classifying device | |
CN2602843Y (en) | High-efficient rotor type coal powder grading machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120919 |