CN212383838U - Agglomerate impact dissociation sorting unit - Google Patents
Agglomerate impact dissociation sorting unit Download PDFInfo
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- CN212383838U CN212383838U CN202020990644.0U CN202020990644U CN212383838U CN 212383838 U CN212383838 U CN 212383838U CN 202020990644 U CN202020990644 U CN 202020990644U CN 212383838 U CN212383838 U CN 212383838U
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Abstract
The utility model discloses an agglomerate impact dissociation sorting device, which comprises a powder selecting barrel, wherein the top end of the powder selecting barrel is provided with a conical barrel cover, the bottom end of the powder selecting barrel is provided with a conical hopper, the inner center of the powder selecting barrel is provided with a rotary material throwing device, the outer part of the rotary material throwing device is surrounded with a net-shaped dispersing device which is matched with the rotary material throwing device for use, and the outside of the powder selecting barrel is provided with a variable-frequency driving device which is connected with the rotary material throwing device; at least two air inlets are arranged on the powder selecting cylinder body; a feed inlet and a dust extraction port are arranged on the conical cylinder cover; a discharge hole is arranged on the cone hopper. The utility model discloses simple structure, low cost, operation and easy maintenance use labour saving and time saving, to the even good dispersion effect of various agglomerates, to the strong adaptability of environment, can be used to wrap up in the strong soft agglomerates dispersion classification of adhesion nature, can regard as to select powder equipment to carry out mechanical sand to select in the preparation of current grit aggregate, especially to the mountain flour in the mechanical sand that contains water higher, the viscosity is great, and the dissociation is effectual, and throughput is strong, efficient, strong adaptability.
Description
Technical Field
The utility model relates to an agglomerate impact dissociation sorting unit belongs to the dispersion sorting facilities technical field of granule agglomerate.
Background
The agglomeration of the particles is mainly a phenomenon that the particles are agglomerated together due to the interaction of van der waals force, liquid bridge force, electrostatic force and the like, which brings great difficulty to the separation of the particles. The powder-containing aggregate is more easily agglomerated under the influence of external temperature and humidity. In the prior art, the solutions for the agglomeration include dispersing by adding a dispersing agent, freezing, ultrasonic dispersing, physical stirring dispersing and the like; however, the dispersion effect is not good for agglomerates that require a large and continuous treatment. Particularly for the agglomerates with high water content, the technical problems of low air separation efficiency or ineffective air separation exist.
With the continuous development of society, high-performance concrete has become a development trend, and the control of the high-performance concrete on the content of machine-made sand powder is more and more strict, even is a key control index. The stone powder content of finished sand of high-strength and ultrahigh-strength concrete is generally required to be controlled below 5 percent or even lower, but a sandstone aggregate production system is influenced by projects, most of the sandstone aggregate production systems are built in the field in the countryside, the production environment is very severe and is greatly influenced by weather, the moisture content of aggregate is relatively high, the aggregate is seriously agglomerated, and the market demand for producing low stone powder content cannot be met by adopting a powder selection process and a powder selection device of a conventional production line.
At present, most of powder selecting equipment used in a sandstone aggregate production line refers to a powder selecting experience technology in cement production, and no powder selecting equipment specially aiming at the sandstone aggregate production condition exists; however, cement production belongs to a full dry method, and the temperature of materials discharged from a mill is higher, so that almost no moisture exists, which is particularly beneficial to material dispersion and powder selection. The sandstone aggregate production condition is poor, basically, agglomerates with high water content are needed to be treated, the requirement on powder selection equipment is particularly high, and the powder selection experience technology in cement production cannot meet the requirements on dispersion and powder selection treatment of sandstone aggregate production materials. Some production lines adopt a greenhouse to build and screen raw materials for producing low stone powder, and even adopt a drying roller drying mode to process the raw materials, so that the conventional production line is adopted to produce the low stone powder for making sand, and the production line has the disadvantages of high energy consumption, serious pollution and high production cost.
Disclosure of Invention
In view of this, the present invention provides an apparatus for impact dissociation and separation of agglomerates, which can overcome the disadvantages of the prior art.
The utility model aims at realizing through the following technical scheme:
an agglomerate impact dissociation sorting device comprises a powder selecting barrel, wherein the top end of the powder selecting barrel is detachably connected with a conical barrel cover, the bottom end of the powder selecting barrel is detachably connected with a conical hopper, a rotary material throwing device is arranged at the center in the powder selecting barrel, a mesh type dispersing device matched with the rotary material throwing device is arranged around the outer part of the rotary material throwing device, and a variable frequency type driving device connected with the rotary material throwing device is arranged outside the powder selecting barrel; at least two air inlets are arranged on the powder selecting cylinder body; a feed inlet and a dust extraction port are arranged on the conical cylinder cover; a discharge hole is arranged on the cone hopper.
The rotary material throwing device is a rotor body structure rotating at a high speed, the dispersing device and the rotor body structure are sequentially sleeved in the powder selecting barrel from outside to inside, a first material cavity is formed between the dispersing device and the rotor body structure, and a second material cavity is formed between the dispersing device and the inner wall of the powder selecting barrel.
The rotor body structure comprises a rotor fixing seat arranged at the axis of the powder selecting barrel, a main shaft is arranged in the center of the rotor fixing seat, one end of the main shaft is connected with a material throwing rotor, and the other end of the main shaft is connected with a variable-frequency driving device; the material throwing rotor comprises an upper annular plate and a lower fixed plate, and a circle of guide plates which are uniformly distributed are arranged between the upper annular plate and the lower fixed plate.
The guide plates are arranged in a discrete manner and inclined relative to the rotating direction.
The reticular dispersing device comprises a fixed frame which is detachably connected with the inner wall of the powder selecting barrel, and a reticular dispersing structure is fixed on the upper ring of the fixed frame; the shape of the reticular dispersion structure is a straight cylinder shape or a conical cylinder shape with a narrow upper part and a wide lower part.
The net-shaped dispersing structure is a screen mesh, a long slat assembling structure or a round bar staggered assembling structure.
The height of the reticular dispersion structure is greater than that of the throwing rotor, and the mesh opening of the reticular dispersion structure is more than or equal to 5 mm.
A feeding adjusting device is arranged at the feeding port of the cylinder cover.
A primary air inlet and a secondary air inlet are formed in the powder selecting cylinder body relative to the rotation direction of the throwing rotor; and a third air inlet is also formed in the conical hopper.
The primary air inlet and the secondary air inlet are reversely distributed on the outer circumference of the powder selecting cylinder at 180 degrees; and the primary air inlet is larger than the secondary air inlet.
Compared with the prior art, the utility model discloses an agglomerate impact dissociation sorting unit, which is characterized in that a rotary material throwing device and a mesh-type dispersing device matched with the rotary material throwing device are added at the center in a powder selecting cylinder, the rotary material throwing device is connected with a variable-frequency driving device arranged outside the powder selecting cylinder, and at least two air inlets for material sorting are arranged on the powder selecting cylinder; the agglomerated material enters the center in the powder selecting cylinder, and is impacted on the dispersing device at a certain ejecting speed under the action of the centrifugal force of accelerated rotation of the ejecting device, the agglomerated material can be broken up and decomposed due to the inertia effect, small particles easily pass through the net structure of the dispersing device, and large particles are blocked and rebounded by the net structure and lose kinetic energy; simultaneously, air flow is introduced from the air inlet and drives the collision, dispersion and decomposition materials to form rotational flow in the cylinder body, so that the materials are fully dispersed, and finally large-particle materials flow out from the discharge hole under the action of gravity; the small particles scattered through the net structure and the collision are slightly influenced by the action of gravity, and are taken away from a dust extraction port of the cylinder cover by negative pressure air under the air flow of the inlet air, so that the dispersion and powder selection of the agglomerates are finally realized. The utility model discloses a rotation type is thrown material device and is used with it netted formula dispersion devices and realize that the reunion is strikeed and dissociate to combine wind-force selection powder system to realize selecting separately, effectively dissociate to various types of reunion homoenergetic and select separately.
The utility model has the advantages that:
the utility model discloses can effectively carry out the impact dissociation of reunion, solve the reunion problem that the particulate matter produced because of reasons such as van der waals' force, liquid bridge power, electrostatic force, have good effect to the dispersion that improves the reunion and select separately, the throughput is strong, and the treatment effeciency is high.
The utility model discloses simple structure, low cost, operation and easy maintenance use labour saving and time saving, to the even good dispersion effect of various agglomerates, to the strong adaptability of environment, can be used to wrap up in the strong soft agglomerates dispersion classification of adhesion nature, can regard as to select powder equipment to carry out mechanical sand to select in the preparation of current grit aggregate, especially to the mountain flour in the mechanical sand that contains water higher, the viscosity is great, and the dissociation is effectual, and throughput is strong, efficient, strong adaptability.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and/or combinations particularly pointed out in the appended claims.
Drawings
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:
fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic front structural view of the present invention.
Fig. 3 is a schematic view of the cross-sectional structure a-a in fig. 2.
Fig. 4 is a schematic top view of the present invention.
Fig. 5 is a schematic view of the structural principle of the present invention.
Fig. 6 is a schematic perspective view of the throwing rotor.
Fig. 7 is a schematic top structure view of the throwing rotor.
Fig. 8 is a schematic structural diagram of a dispersing device (embodiment one).
Fig. 9 is a schematic structural view of a dispersing apparatus (embodiment two).
Fig. 10 is a schematic top view of a dispersing device (embodiment one).
Fig. 11 is an operation diagram of fig. 10.
Fig. 12 is a schematic top structure view of the throwing device (embodiment two).
Fig. 13 is an operation diagram of fig. 12.
Fig. 14 is a schematic top structure view of the throwing device (embodiment three).
Fig. 15 is an operation diagram of fig. 14.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for purposes of illustration only and are not intended to limit the scope of the present invention.
As shown in figures 1-15 of the drawings,
the utility model discloses an agglomerate impact dissociation sorting unit, which comprises a powder selecting barrel 1, wherein the top end of the powder selecting barrel is detachably connected with a conical barrel cover 2, the bottom end of the powder selecting barrel is detachably connected with a conical hopper 3, a rotary material throwing device 4 is arranged at the center in the powder selecting barrel 1, a mesh type dispersing device 5 matched with the rotary material throwing device 4 is surrounded outside the rotary material throwing device 4, and a variable frequency type driving device 6 connected with the material throwing device 4 is arranged outside the powder selecting barrel 1; at least two air inlets are arranged on the powder selecting cylinder body 1; a feed inlet 201 and a dust extraction port 202 are arranged on the cylinder cover 2; a discharge hole 301 is arranged on the conical hopper 3. The dispersed agglomerates enter the center of the powder selecting cylinder 1 from the feed inlet 202 on the cylinder cover 2, and then are rotated at high speed by the throwing device 4, and are thrown onto the dispersing device 5 at a certain impact speed under the action of centrifugal force to be torn and decomposed.
The rotary material throwing device 4 is of a rotor body structure rotating at a high speed, the dispersing device 5 and the rotor body structure are sequentially sleeved in the powder selecting cylinder 1 from outside to inside, a first material cavity 1-1 is formed between the dispersing device 5 and the rotor body structure, and a second material cavity 2-2 is formed between the dispersing device 5 and the inner wall of the powder selecting cylinder 1.
The rotor body structure comprises a rotor fixing seat 401 arranged at the axis of the powder selecting barrel 1, a main shaft 402 is arranged at the center of the rotor fixing seat 401, one end of the main shaft 402 is connected with a material throwing rotor 403, and the other end of the main shaft is connected with a driving device 6; the material throwing rotor 403 comprises an upper ring plate 4031 and a lower fixing plate 4032, and a circle of guide plates 4033 which are uniformly distributed are arranged between the upper ring plate 4031 and the lower fixing plate 4032; the variable-frequency driving device 6 can realize variable-frequency control, and adjust the rotating speed of the throwing rotor 403 according to the water content and viscosity of the agglomerates, so that the agglomerates are dispersed, and large-particle materials are prevented from being broken; the variable-frequency driving device 6 comprises a variable-frequency driving motor 601 fixedly connected to one side of the powder selecting cylinder, and the variable-frequency driving motor is connected with the main shaft 402 through a transmission belt 602, and transmits power to the main shaft 402 to drive the material throwing rotor 403 to rotate. The guide plates 4033 are obliquely and discretely arranged relative to the rotating direction, the agglomerates firstly enter the right center of the throwing rotor 403 from the feed inlet 202 on the cylinder cover 2, and under the acceleration action of the throwing rotor 403, the agglomerates impact the dispersing device 5 at a certain throwing speed along the vertical direction of the guide plates 4033 to realize dispersion and dissociation, so that the impact effect is better.
A primary air inlet 7 and a secondary air inlet 8 are arranged on the powder selecting cylinder 1 in the direction opposite to the rotation direction of the throwing rotor 403, and the primary air inlet 7 and the secondary air inlet 8 are reversely distributed on the outer circumference of the powder selecting cylinder 1 at 180 degrees; and the primary air inlet 7 is larger than the secondary air inlet 8, the air flow respectively entering from the primary air inlet 7 and the secondary air inlet 8 rotates along the inner circumferential direction of the cylinder, the agglomerates thrown onto the dispersing device 5 are collided and disintegrated under the inertia effect, the small particles enter the second material cavity 2-2, the large particles are blocked and rebound, the large particles are stagnated in the first material cavity 1-1 and lose kinetic energy, and the agglomerates are driven by the air flow to form rotational flow in the cylinder to fill the cylinder, so that the materials are fully dispersed, the proportion of local particles in the air is reduced, fine micro powder rises along the negative pressure direction and is taken away from the dust extraction port 202 of the cylinder cover 2, coarse particle materials settle along the cylinder, enter the cone hopper 3 under the action of gravity and flow out from the discharge port 301, and finally the dispersion and the powder selection of the materials are realized.
The reticular dispersion device 5 comprises a fixing frame 501 detachably connected with the inner wall of the powder selecting cylinder, a reticular dispersion structure 502 is fixed on the fixing frame 501 in a circle, and the reticular dispersion device 5 can be replaced quickly conveniently through detachable connection; the shape of the reticular dispersion structure 502 is a straight cylinder 5-1 or a conical cylinder 5-2 with a narrow upper part and a wide lower part; the height of the reticular dispersion structure is larger than that of the throwing rotor 403, so that the agglomerates thrown onto the reticular dispersion structure are guaranteed to be completely collided and disintegrated, and the mesh holes of the reticular dispersion structure 502 can be in a hole shape, a grate bar or a grid structure, and preferably, the mesh holes of the reticular dispersion structure 502 are more than or equal to 5 mm.
The reticular dispersion structure 502 is a screen net 5021, is fixed into a straight cylinder shape or a conical cylinder shape through a fixing frame 501, is sleeved on the outer circumference of the throwing rotor 403 of the throwing device 4, enables agglomerates thrown by the throwing device 4 to impact on the screen net 5021 to realize tearing, enables small particles to pass through meshes of the screen net 5021, and enables large particles to be retained in front of the meshes to realize decomposition.
Or, the mesh-like dispersing structure 502 is a lath assembling structure 5022, specifically, a circle of uniform and inclined laths are fastened on the fixing frame 501 in a discrete manner, the inclination direction of the laths is opposite to the flow guide plate 4033 of the throwing rotor, and a gap is left between adjacent laths. The conglomerates can be ensured to impact the long strip plate to realize tearing and decomposition, and meanwhile, the small particles can not be influenced to pass through the gaps of the long strip plate.
Or, the reticular dispersion structure 502 is a round bar staggered assembly structure 5023, specifically, at least two layers of round bars which are uniformly arranged are looped and fixed on the fixing frame 501, the two layers of round bars are staggered, and a gap is left between the adjacent round bars. The agglomerates can be guaranteed to impact the round bar to realize tearing and decomposition, and meanwhile small particles can not be influenced to penetrate through gaps of the round bar.
A feeding adjusting device 9 is arranged at the feeding hole 201 of the cylinder cover; the feeding adjusting device 9 comprises a turning plate 901 and a push rod mechanism 902 connected with the turning plate, the telescopic amount of the push rod mechanism 902 is adjusted, the angle adjustment of the turning plate 901 is realized, the size of the feeding hole 201 is controlled, the flow control of the agglomerates can be further controlled, and the dissociation effect is better.
The cone hopper 3 is also provided with a tertiary air inlet 10 to realize two-stage powder selection, so that the materials which are not completely subjected to the primary air separation from the air inlet on the powder selection barrel 1 can be subjected to the secondary powder selection, and the powder selection efficiency of the equipment is improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, which is confidential, and any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments do not depart from the technical solution of the present invention.
Claims (10)
1. The utility model provides an agglomerate impact dissociation sorting unit, includes selection powder barrel (1), its characterized in that: the powder selecting device is characterized in that a conical cylinder cover (2) is detachably connected to the top end of the powder selecting cylinder body (1), a conical hopper (3) is detachably connected to the bottom end of the powder selecting cylinder body, a rotary material throwing device (4) is arranged in the center of the powder selecting cylinder body (1), a mesh-type dispersing device (5) matched with the rotary material throwing device is arranged around the outer portion of the rotary material throwing device (4), and a variable-frequency driving device (6) connected with the rotary material throwing device (4) is arranged outside the powder selecting cylinder body (1); at least two air inlets are arranged on the powder selecting cylinder body (1); a feed inlet (201) and a dust extraction port (202) are arranged on the conical cylinder cover (2); a discharge hole (301) is arranged on the cone hopper (3).
2. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 1, wherein: the rotary material throwing device (4) is of a rotor body structure rotating at a high speed, the dispersing device (5) and the rotor body structure are sequentially sleeved in the powder selecting cylinder body (1) from outside to inside, a first material cavity (1-1) is formed between the dispersing device (5) and the rotor body structure, and a second material cavity (2-2) is formed between the dispersing device (5) and the inner wall of the powder selecting cylinder body (1).
3. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 2, wherein: the rotor body structure comprises a rotor fixing seat (401) arranged at the axis of the powder selecting barrel body (1), a main shaft (402) is arranged in the center of the rotor fixing seat (401), one end of the main shaft (402) is connected with a material throwing rotor (403), and the other end of the main shaft is connected with a variable-frequency driving device (6); the material throwing rotor (403) comprises an upper ring plate (4031) and a lower fixing plate (4032), and a circle of guide plates (4033) which are uniformly distributed are arranged between the upper ring plate (4031) and the lower fixing plate (4032).
4. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 3, wherein: the guide plates (4033) are arranged in a discrete manner in an inclined manner relative to the direction of rotation.
5. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 2, wherein: the reticular dispersion device (5) comprises a fixed frame (501) detachably connected with the inner wall of the powder selecting cylinder, and a reticular dispersion structure (502) is fixed on the fixed frame (501) in a circle; the shape of the reticular dispersion structure (502) is a straight cylinder (5-1) or a cone cylinder (5-2) with a narrow upper part and a wide lower part.
6. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 5, wherein: the reticular dispersion structure (502) is a screen (5021), a long strip plate assembling structure (5022) or a round bar staggered assembling structure (5023).
7. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 6, wherein: the height of the reticular dispersion structure is greater than that of the rotor body structure, and the mesh opening of the reticular dispersion structure is more than or equal to 5 mm.
8. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 1, wherein: and a feeding adjusting device (9) is arranged at the feeding hole (201) of the cylinder cover.
9. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 1, wherein: a primary air inlet (7) and a secondary air inlet (8) are formed in the powder selecting cylinder (1) in the rotating direction relative to the throwing rotor (403); the cone hopper (3) is also provided with a tertiary air inlet (10).
10. The apparatus for impact dissociation sorting of agglomerates as claimed in claim 9, wherein: the primary air inlet (7) and the secondary air inlet (8) are reversely distributed on the outer circumference of the powder selecting cylinder body (1) at 180 degrees; and the primary air inlet (7) is larger than the secondary air inlet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020990644.0U CN212383838U (en) | 2020-06-03 | 2020-06-03 | Agglomerate impact dissociation sorting unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020990644.0U CN212383838U (en) | 2020-06-03 | 2020-06-03 | Agglomerate impact dissociation sorting unit |
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| CN212383838U true CN212383838U (en) | 2021-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945817A (en) * | 2021-01-29 | 2021-06-11 | 内蒙古工业大学 | Cyclone pollen concentration detection method and device |
| CN113787000A (en) * | 2021-09-17 | 2021-12-14 | 仁新实业发展（信阳）有限公司 | Sand making shaping machine and sand making method |
-
2020
- 2020-06-03 CN CN202020990644.0U patent/CN212383838U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112945817A (en) * | 2021-01-29 | 2021-06-11 | 内蒙古工业大学 | Cyclone pollen concentration detection method and device |
| CN113787000A (en) * | 2021-09-17 | 2021-12-14 | 仁新实业发展（信阳）有限公司 | Sand making shaping machine and sand making method |
| CN113787000B (en) * | 2021-09-17 | 2022-12-13 | 仁新实业发展（信阳）有限公司 | Sand making shaping machine and sand making method |
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