CN213161923U - Air outlet box - Google Patents
Air outlet box Download PDFInfo
- Publication number
- CN213161923U CN213161923U CN202021870279.6U CN202021870279U CN213161923U CN 213161923 U CN213161923 U CN 213161923U CN 202021870279 U CN202021870279 U CN 202021870279U CN 213161923 U CN213161923 U CN 213161923U
- Authority
- CN
- China
- Prior art keywords
- air
- air outlet
- box
- outlet box
- powder
- 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 - Fee Related
Links
- 239000000843 powder Substances 0.000 claims abstract description 82
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 5
- 238000009700 powder processing Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model provides an air outlet box, wherein a fine powder outlet is arranged on the air outlet box, the right side of the air outlet box is connected with a powder selecting box, one side of the powder selecting box is provided with a main air inlet and a lower air inlet, a feed inlet is arranged beside the main air inlet, and the bottom of the powder selecting box is provided with a discharge outlet; a circulating air pipe is arranged on the left side of the air outlet box, the other end of the circulating air pipe is connected to the lower part of the powder selecting box, a flow guide strip is fixedly arranged at the circulating air pipe in the air outlet box, and an air net is arranged at the joint of the air outlet box and the port of the circulating air pipe; a screen plate is arranged above the flow guide strips in the air outlet box. The left side of the air outlet box is provided with the circulating air pipe, and air flow entering through the air inlet can be divided at the flow guide strips, so that a stable and uniform particle classification flow field is formed in the powder selecting chamber; the screen plate arranged in the air outlet box and positioned above the flow guide strips effectively improves the powder selecting effect, allows small particles to enter and large particles to directly fall out of a discharge hole at the bottom of the powder selecting box under the action of gravity; the invention has simple structure and reasonable design.
Description
Technical Field
The utility model relates to a selection powder equipment technical field, concretely relates to air-out case.
Background
At present, a cyclone powder concentrator or a V-shaped powder concentrator is generally adopted for powder concentration in the machine-made sand industry, and the cyclone powder concentrator utilizes centrifugal force for powder concentration, so that the machine-made sand concentrator has the advantages of low energy consumption, flexible combined structure mode and the like; the V-shaped powder concentrator utilizes wind power to concentrate powder, materials fall from a higher feeding chute, and fall on scattering blade plates arranged in a ladder way and are gradually loosened due to the action of gravity, the materials are carried with smaller particles by countercurrent upward airflow and are discharged from an air outlet of an air outlet box of the powder concentrator through a guide vane system, and the thicker particles fall back to an impact plate and are discharged from the bottom along with the coarse particles. However, the existing powder selecting machines have the problems of low powder selecting efficiency, uneven powder selecting fineness, large structure volume, low treatment capacity and the like.
SUMMERY OF THE UTILITY MODEL
In order to partly effectively solve the defect that exists among the prior art, the utility model provides an air-out case.
The utility model adopts the technical proposal that: a fine powder outlet is arranged on the air outlet box, and a fine powder treatment device is connected to the fine powder outlet through a fastener I; the right side of the air outlet box is connected with a powder selecting box through a fastener II, one side of the powder selecting box, which is far away from the air outlet box, is provided with a main air inlet and a lower air inlet, a feed inlet is arranged beside the main air inlet, and a feeder is arranged at the feed inlet; the bottom of the powder selecting box is gradually folded towards the middle from top to bottom, and a discharge hole is formed in the bottom of the powder selecting box; a circulating air pipe is arranged on the left side of the air outlet box, one end of the circulating air pipe is connected to the left side of the air outlet box, the other end of the circulating air pipe is connected to the lower part of the powder selecting box, and two ports of the circulating air pipe are respectively communicated with the air outlet box and the powder selecting box; a flow guide strip is fixedly arranged at the position of the circulating air pipe in the air outlet box, the section of the flow guide strip is quadrilateral, and any angle of the quadrilateral faces to the lower air inlet to form a sharp angle; an air net is arranged at the joint of the air outlet box and the port of the circulating air pipe; a screen plate is arranged above the flow guide strips in the air outlet box.
And a sealing piece capable of sealing the discharge hole is arranged at the discharge hole.
A powder homogenizer is arranged in the feed inlet of the feeder.
An air distribution plate is arranged in the powder separation box, the air distribution plate is obliquely arranged towards the main air inlet, air distribution holes are uniformly formed in the air distribution plate, and the hole diameters of the air distribution holes are sequentially increased from top to bottom; a plurality of air inlet guide plates are arranged in the powder selecting box on the left side of the air distribution plate, and each air inlet guide plate is obliquely arranged and gradually increases the inclination of each air inlet guide plate from top to bottom.
A plurality of air outlet guide plates are arranged in the powder selecting box and close to the air outlet box, and each air outlet guide plate is obliquely arranged and the inclination of each air outlet guide plate from top to bottom is gradually increased.
The lowest end air outlet guide plate is positioned above the port where the circulating air pipe is communicated with the powder selecting box.
The utility model relates to an air outlet box, the left side of the air outlet box disclosed in the invention is provided with a circulating air pipe, the other end of the circulating air pipe is communicated with the lower side of a powder selecting box, the air flow entering through a main air inlet and a lower air inlet can be divided at a diversion strip, the closed angle of the diversion strip faces to the lower air inlet, the motion path of the air flow entering into a powder selecting chamber from the air inlet can be effectively changed, obvious air division is formed, the air flow entering the circulating air pipe through an air net can enter into the powder selecting box again and is intersected with the air flow entering from the lower air inlet, so that a stable and uniform particle grading flow field is formed in the powder selecting chamber; the screen plate is arranged in the air outlet box and positioned above the flow guide strips, so that the influence on the winnowing effect caused by the fact that larger particles enter the fine powder processing device through the air outlet box is avoided, the powder selecting effect is effectively improved by the screen plate, small particles are allowed to enter, and large particles directly fall out from a discharge hole at the bottom of the powder selecting box under the action of gravity; the invention also has the advantages of simple structure, light equipment, reasonable design, low manufacturing cost, small occupied space and the like.
Drawings
Fig. 1 is a schematic structural view of an air outlet box of the present invention;
description of reference numerals:
1-air outlet box; 11-fastener I; 12-fine powder processing means; 13-fastener II; 14-a circulating air pipe; 15-wind net; 16-mesh plate; 2-selecting powder box; 21-a main air inlet; 22-lower air inlet; 23-a feed inlet; 24-a discharge hole; 25-air distribution plate; 26-air intake guide plate; 27-an air outlet guide plate; 3-diversion strips.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model is described in detail with the accompanying drawings, in the embodiment of the utility model, the air outlet box is provided with a fine powder outlet on the air outlet box 1, the fine powder outlet is connected with a fine powder processing device 12 through a fastener I11, the fine powder processing device 12 comprises a dust remover, the fine powder outlet is connected with a draught fan of the dust remover, and the redundant power of the draught fan can be utilized to generate negative pressure in the cavity inside the invention; the right side of the air outlet box 1 is connected with a powder selecting box 2 through a fastener II13, one side of the powder selecting box 2, which is far away from the air outlet box 1, is provided with a main air inlet 21 and a lower air inlet 22, a feed inlet 23 is arranged beside the main air inlet 21, a feeder is arranged at the feed inlet 23, and a powder homogenizer is arranged in the feed inlet 23 of the feeder; the bottom of the powder selecting box 2 is gradually folded towards the middle from top to bottom, a discharge hole 24 is formed in the bottom of the powder selecting box 2, and a sealing piece capable of sealing the discharge hole 24 is arranged at the discharge hole 24.
A circulating air pipe 14 is arranged on the left side of the air outlet box 1, one end of the circulating air pipe 14 is connected to the left side of the air outlet box 1, the other end of the circulating air pipe 14 is connected to the lower part of the powder selecting box 2, and two ports of the circulating air pipe 14 are respectively communicated with the air outlet box 1 and the powder selecting box 2; the air outlet box 1 is fixedly provided with a flow guide strip 3 at the position of a circulating air pipe 14, the cross section of the flow guide strip 3 is quadrilateral, any angle of the quadrilateral faces to a lower air inlet 22 to form a sharp angle, and the air flow entering the powder selecting box through a main air inlet 21 and the lower air inlet 22 can be divided at the position of the flow guide strip 3; an air net 15 is arranged at the joint of the air outlet box 1 and the port of the circulating air pipe 14, so that fine powder and coarse powder can be prevented from entering the circulating air pipe 14; a screen plate 16 is arranged above the flow guide strip 3 in the air outlet box 1, so that fine powder can be allowed to pass through but coarse powder is prevented from passing through, and the powder selecting effect is ensured.
An air distribution plate 25 is arranged in the powder separation box 2, the air distribution plate 25 is obliquely arranged towards the main air inlet 21, air distribution holes are uniformly formed in the air distribution plate 25, and the hole diameters of the air distribution holes are sequentially increased from top to bottom; a plurality of air inlet guide plates 26 are arranged in the powder selecting box 2 on the left side of the air distributing plate 25, each air inlet guide plate 26 is obliquely arranged, the inclination of each air inlet guide plate 26 from top to bottom is gradually increased, the included angle between the air inlet guide plate 26 at the uppermost end and the horizontal plane is 15 degrees, and the air inlet guide plate 26 at the lowermost end is arranged in parallel with the air distributing plate 25; a plurality of air outlet guide plates 27 are arranged in the powder selecting box 2 and close to the air outlet box 1, each air outlet guide plate 27 is obliquely arranged, the inclination of each air outlet guide plate 27 from top to bottom is gradually increased, and the air outlet guide plate 27 at the lowest end is positioned above the port of the circulating air pipe 14 communicated with the powder selecting box 2; a plug is arranged between the uppermost air outlet guide plate 27 and the powder selecting box 2, a plug is also arranged between the uppermost air inlet guide plate 26 and the powder selecting box 2, and the arrangement of the plugs prevents the falling materials from being directly blown to the air outlet box under the action of wind force to influence the winnowing effect, so that the powder selecting effect is effectively improved by the plugs, and large particles directly fall out from the discharge port 24 under the action of gravity; the number of the air inlet guide plates 26 is the same as that of the air outlet guide plates 27.
In conclusion, when the air outlet box is used, materials enter the powder selecting box 2 through the feeding hole 23, air is sucked from the main air inlet 21 and the lower air inlet 22 and then is subjected to air separation through the air distribution holes in the air distribution plate 25 and the air inlet guide plate 26, the air inlet guide plate 26 is arranged from top to bottom, the inclination is gradually increased, the size of the wind power is sequentially weakened from top to bottom, and the wind power is obliquely blown to the materials, so that fine particle materials can be further blown obliquely upwards, the falling of the materials is slowed down, the air separation time of the materials in the powder selecting box 2 is prolonged, and the air separation effect is enhanced; a circulating air pipe 14 is arranged on the side surface of the air outlet box 1, a flow guide strip 3 is fixedly arranged in the air outlet box 1 at the position of the circulating air pipe 14, the sharp angle of the flow guide strip 3 faces a lower air inlet 22, the movement path of air entering the powder selecting box 2 from a main air inlet 21 and the lower air inlet 22 can be effectively changed, obvious air shunting is formed, stable circulating airflow is formed at the lower half part of the powder selecting box 2, and the utilization rate of the airflow is improved; the invention has simple structure, light equipment, reasonable design and low manufacturing cost.
The present invention has been described above with reference to the accompanying drawings, but the technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The utility model provides an air-out case which characterized in that: a fine powder outlet is formed in the air outlet box (1), and a fine powder treatment device (12) is connected to the fine powder outlet through a fastening piece I (11); the right side of the air outlet box (1) is connected with a powder selecting box (2) through a fastening piece II (13), one side, far away from the air outlet box (1), of the powder selecting box (2) is provided with a main air inlet (21) and a lower air inlet (22), a feeding hole (23) is formed beside the main air inlet (21), and a feeder is arranged at the feeding hole (23); the bottom of the powder selecting box (2) is gradually folded towards the middle from top to bottom, and a discharge hole (24) is formed in the bottom of the powder selecting box (2); a circulating air pipe (14) is arranged on the left side of the air outlet box (1), one end of the circulating air pipe (14) is connected to the left side of the air outlet box (1), the other end of the circulating air pipe is connected to the lower part of the powder selecting box (2), and two ports of the circulating air pipe (14) are respectively communicated with the air outlet box (1) and the powder selecting box (2); a flow guide strip (3) is fixedly arranged in the air outlet box (1) at the position of the circulating air pipe (14), the section of the flow guide strip (3) is quadrilateral, and any angle of the quadrilateral faces to a lower air inlet (22) to form a sharp angle; an air net (15) is arranged at the joint of the air outlet box (1) and the port of the circulating air pipe (14); and a screen plate (16) is arranged above the flow guide strip (3) in the air outlet box (1).
2. An air outlet box according to claim 1, characterized in that: and a sealing piece capable of sealing the discharge hole (24) is arranged at the discharge hole (24).
3. An air outlet box according to claim 2, characterized in that: and a powder homogenizer is arranged in the feed inlet (23) of the feeder.
4. An air outlet box according to claim 3, characterized in that: an air distribution plate (25) is arranged in the powder selecting box (2), the air distribution plate (25) is obliquely arranged towards the main air inlet (21), air distribution holes are uniformly formed in the air distribution plate (25), and the hole diameters of the air distribution holes are sequentially increased from top to bottom; a plurality of air inlet guide plates (26) are arranged in the powder selecting box (2) on the left side of the air distributing plate (25), and each air inlet guide plate (26) is obliquely arranged and the inclination of each air inlet guide plate (26) from top to bottom is gradually increased.
5. An air outlet box according to claim 4, characterized in that: a plurality of air outlet guide plates (27) are arranged in the powder selecting box (2) and close to the air outlet box (1), and the air outlet guide plates (27) are all obliquely arranged and the inclination of each air outlet guide plate (27) from top to bottom is gradually increased.
6. An air outlet box according to claim 5, characterized in that: the lowest end of the air outlet guide plate (27) is positioned above a port where the circulating air pipe (14) is communicated with the powder selecting box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870279.6U CN213161923U (en) | 2020-08-31 | 2020-08-31 | Air outlet box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021870279.6U CN213161923U (en) | 2020-08-31 | 2020-08-31 | Air outlet box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213161923U true CN213161923U (en) | 2021-05-11 |
Family
ID=75770123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021870279.6U Expired - Fee Related CN213161923U (en) | 2020-08-31 | 2020-08-31 | Air outlet box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213161923U (en) |
-
2020
- 2020-08-31 CN CN202021870279.6U patent/CN213161923U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204564563U (en) | A kind of sandstone separator | |
| CN103639117B (en) | A kind of pneumatic separating seperator | |
| CN208542555U (en) | A kind of Novel wind powder concentrator | |
| CN105855169B (en) | A kind of grain separating machine | |
| CN107350162A (en) | Multi-product multi-stage classifier | |
| CN103263075A (en) | High-efficiency energy-saving threshing air separation new process and equipment | |
| CN201565423U (en) | Jet airflow separator | |
| CN103263074A (en) | Efficient and energy-saving threshing and air separation process and equipment | |
| CN103586210A (en) | Precoated sand air classification machine | |
| CN108607809A (en) | A kind of multistage feed powder grading plant and its method | |
| CN101758022A (en) | Jet airflow separator | |
| CN105057123A (en) | Tower skirt type dry powder material classifier | |
| CN210385143U (en) | Parallel multi-cyclone dust collector capable of adjusting air inlet flow speed | |
| CN103271432A (en) | Air separator capable of separating tobacco stems from tobacco shreds in multi-level manner | |
| CN215313916U (en) | Controllable particle grading device | |
| CN213161923U (en) | Air outlet box | |
| CN202893676U (en) | Sorting unit of tobacco materials | |
| CN107126768B (en) | Air-out machine | |
| CN201815488U (en) | High-efficiency environment-friendly sundry cleaner for material | |
| CN203327932U (en) | Tobacco stem and tobacco flake multi-level separating air separator | |
| CN203235341U (en) | High-efficiency cyclone dust remover integrating gravity dust removal | |
| CN210585875U (en) | Mushroom powder airflow grader | |
| CN201940255U (en) | Rice huller and rice-hull-separating device thereof | |
| CN214812696U (en) | Grain closed cycle winnowing system | |
| CN102000666B (en) | Air classifier matched with fluidized bed drying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210511 |