CN212418276U - Agglomerate impact dissociation sorting system - Google Patents
Agglomerate impact dissociation sorting system Download PDFInfo
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- CN212418276U CN212418276U CN202020990714.2U CN202020990714U CN212418276U CN 212418276 U CN212418276 U CN 212418276U CN 202020990714 U CN202020990714 U CN 202020990714U CN 212418276 U CN212418276 U CN 212418276U
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- dust extraction
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Abstract
The utility model discloses an agglomerate impact dissociation sorting system, which comprises a dispersion feeding device, wherein a discharge port of the dispersion feeding device is connected with an impact dissociation sorting device, and a discharge port of the impact dissociation sorting device is connected with a storage bin through a running belt conveyor; the impact dissociation sorting device is provided with a dust extraction port and a plurality of air inlets, the dust extraction port is connected with a dust extraction system, and the air inlets are connected with a negative pressure fan system; the equipment is connected with a PLC control system for controlling mutual cooperation of the equipment, can realize continuous production and treatment of agglomerates, can realize full dissociation and classification of the agglomerates, has good dissociation effect, high treatment efficiency, strong adaptability and high popularization especially on the agglomerates with higher water content, solves the technical problems of low efficiency or ineffective winnowing of the winnowing machine during production of machine-made sand in rainy seasons, and has good effect on improving dispersion and separation of the agglomerates, strong treatment capacity and high treatment efficiency.
Description
Technical Field
The utility model relates to an agglomerate impact dissociation sorting system 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 the above, the present invention provides an agglomerate impact dissociation sorting system, which can overcome the disadvantages of the prior art.
The utility model aims at realizing through the following technical scheme:
the agglomerate impact dissociation sorting system comprises a dispersion feeding device, wherein a discharge port of the dispersion feeding device is connected with an impact dissociation sorting device, and a discharge port of the impact dissociation sorting device is connected with a storage bin through an operating belt conveyor; the impact dissociation sorting device is provided with a dust extraction port and a plurality of air inlets, the dust extraction port is connected with a dust extraction system, and the air inlets are connected with a negative pressure fan system; and the dispersed feeding device, the impact dissociation sorting device, the operation belt conveyor, the dust extraction system and the negative pressure fan system are all connected with a PLC control system for controlling the mutual cooperation of the dispersed feeding device, the impact dissociation sorting device, the operation belt conveyor, the dust extraction system and the negative pressure fan system.
The impact dissociation sorting device comprises a cylinder body, wherein at least two air inlets are formed in the cylinder body, and a feed inlet and a dust extraction port are formed in the top of the cylinder body; the bottom is provided with a conical discharge hole; the barrel is internally provided with a material throwing device and a mesh dispersing device matched with the material throwing device, and the barrel is externally provided with a driving device connected with the material throwing device.
The feed inlet of the dispersing and feeding device is connected with the buffer bin; an air adjusting valve and a coarse and fine material separating device are sequentially arranged on an air inlet pipeline between the dust extraction port and the dust extraction system, a fine material outlet of the coarse and fine material separating device is connected with the dust extraction system, and a coarse material outlet is circularly connected to the storage bin.
The material throwing device is of a rotor body structure; the mesh-type dispersing device surrounds the outer circumference of the rotor body structure.
The driving device is arranged in a variable frequency mode.
And a third air inlet is arranged on the conical discharge hole.
The coarse and fine material separating device comprises a shell, wherein an L-shaped baffle for realizing coarse and fine material separation is arranged at the upper part in the shell.
Compared with the prior art, the utility model discloses an agglomerate impact dissociation sorting system, which comprises a dispersion feeding device, wherein the discharge port of the dispersion feeding device is connected with an impact dissociation sorting device, and the discharge port of the impact dissociation sorting device is connected with a storage bin through a running belt conveyor; the impact dissociation sorting device is provided with a dust extraction port and a plurality of air inlets, the dust extraction port is connected with a dust extraction system, the air inlets are connected with a negative pressure fan system, the system is controlled by a PLC control system, the agglomerated material pile is vibrated and broken up by a dispersion feeding device and is uniformly fed into the impact dissociation sorting device, the impact dissociation sorting device applies external force to the agglomerates, the agglomerates are thrown onto the arranged dispersing device at a certain impact speed, and the balance of the internal force of the agglomerates is broken and broken up under the action of the impact force, so that the agglomerates are dissociated; when the agglomerates are dissociated, the classification of coarse and fine materials and the recycling of large-particle materials and dust are realized by combining a negative-pressure fan system and a dust extraction system. The utility model discloses can realize fully dissociating of reunion, especially to the higher reunion of moisture, it is effectual to dissociate, and the treatment effeciency is high, strong adaptability.
The utility model has the advantages that:
the utility model discloses the dispersion of once only realizing the reunion, impact dissociation, the mountain flour is hierarchical, the mountain flour is collected etc, effectively solved the particulate matter because of van der Waals' force, liquid bridge power, the reunion problem that reasons such as electrostatic force produced, especially highly contain the reunion problem that water machine-made sand and mountain flour produced, can realize the abundant grade of dissociating of reunion, it is to containing the higher reunion of water, it is effectual to dissociate, the treatment effeciency is high, strong adaptability, the popularization nature is high, the technological problem that air separator inefficiency or selection by winnowing became invalid when solving rainy season machine-made sand production, dispersion and sorting to improving the reunion have good effect, the throughput is strong, the treatment effeciency is high.
The utility model discloses can realize the continuous processing reunion, realize industrial continuous production, to the even good dispersion effect of various reunites, especially the moisture content is higher, the sorting of mountain flour (mountain flour is the granularity and is less than or equal to 0.075 mm) in the great mechanism sand of viscosity, strong adaptability to the environment, can be used to wrap up in the soft reunion dispersion classification that the adhesion is strong, it is poor to have solved the powder equipment treatment effect of selecting in the preparation of current grit aggregate, the throughput is weak, application scope is not enough scheduling problem such as little, has good practicality and popularization prospect.
The utility model discloses can be used to grit aggregate production system's finished product processing link, especially gather materials to the finished product and carry out dispersion treatment after the reunion that wets, its function lies in solving finished product sand selection powder problem, and the dispersibility of reinforcing material improves the selection powder efficiency of selection powder machine, effectively improves the quality of grit aggregate.
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 flow chart of the present invention.
Fig. 2 is a schematic diagram of the present invention.
Fig. 3 is a schematic view of the structure flow of the present invention.
Fig. 4 is a schematic front cross-sectional structure of the present invention.
Fig. 5 is a schematic perspective view of the present invention.
Fig. 6 is a schematic top view of the present invention.
Fig. 7 is a schematic perspective view of the throwing rotor.
Fig. 8 is a schematic top view of the throwing rotor.
Fig. 9 is a schematic structural diagram of a dispersing device (embodiment one).
Fig. 10 is a schematic structural view of a dispersing apparatus (embodiment two).
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 1-10 of the drawings,
the utility model discloses an agglomerate impact dissociation sorting system, which comprises a dispersion feeding device 1, wherein a discharge port of the dispersion feeding device 1 is connected with an impact dissociation sorting device 2, and a discharge port of the impact dissociation sorting device 2 is connected with a storage bin 4 through a running belt conveyor 3; the impact dissociation sorting device 2 is provided with a dust extraction port 23 and a plurality of air inlets 28, the dust extraction port 23 is connected with the dust extraction system 5, and the air inlets 28 are connected with the negative pressure fan system; the dispersed feeding device 1, the impact dissociation sorting device 2, the operation belt conveyor 3, the dust extraction system 5 and the negative pressure fan system are all connected with a PLC control system for controlling the mutual cooperation of the dispersed feeding device, the impact dissociation sorting device, the operation belt conveyor 3, the dust extraction system 5 and the negative pressure fan system;
the feed inlet of the dispersed feeding device 1 is connected with the buffering bin 8, continuous and uniform feeding is realized through the buffering bin 8 and the dispersed feeding device 1, and the stability and the efficiency of the system are improved;
the impact dissociation sorting device 2 is used for providing external high-speed impact force for the agglomerates and realizing the functions of tearing, disintegrating and grading the agglomerates;
the dust extraction system 5 and the negative pressure fan system realize classification of the torn and decomposed materials through negative pressure air separation; and dust collection is achieved by the dust extraction system 5.
The impact dissociation sorting device 2 comprises a cylinder 21, and the top of the cylinder 21 is provided with a feed inlet 22 and a dust extraction port 23; the bottom is provided with a conical discharge hole 24; a material throwing device 25 and a mesh type dispersing device 26 matched with the material throwing device are arranged in the cylinder 21, and a driving device 27 connected with the material throwing device 25 is arranged outside the cylinder 21; at least two air inlets 28 are provided on the cylinder 21.
Preferably, the throwing device 25 may be a rotor body structure rotating at high speed; the mesh-type dispersing device 26 surrounds the outer circumference of the rotor body structure, and the height of the mesh-type dispersing device 26 is greater than that of the rotor body structure, ensuring that agglomerates thrown onto it are completely broken up.
The rotor body structure comprises a rotor fixing seat 251 arranged at the axis of the cylinder 21, a main shaft 252 is arranged at the center of the rotor fixing seat 251, one end of the main shaft 252 is connected with a throwing rotor 253, and the other end of the main shaft is connected with the driving device 27; the throwing rotor 253 comprises an upper ring plate 2531 and a lower fixing plate 2532, and a circle of uniformly distributed guide plates 2533 are arranged between the upper ring plate 2531 and the lower fixing plate 2532; the driving device 27 is arranged in a frequency conversion manner, and can realize frequency conversion control, namely the rotating speed of the throwing rotor 253 is adjusted according to the water content condition and the viscosity of the agglomerates, so that the agglomerates are dispersed, and large-particle materials are prevented from being broken; the variable-frequency driving device 27 comprises a variable-frequency driving motor 271 fixedly connected to one side of the powder selecting cylinder, and the variable-frequency driving motor 271 is connected with the main shaft 252 through a transmission belt 272 and transmits power to the main shaft 252 to drive the throwing rotor 253 to rotate. The guide plates 2533 are obliquely and discretely arranged relative to the rotating direction, the agglomerates firstly enter the center of the throwing rotor 253 from the feed inlet 22, and impact the dispersing device 25 at a certain throwing speed along the vertical direction of the guide plates 2533 under the acceleration action of the throwing rotor 253 to realize dispersion and dissociation, so that the impact effect is better.
The reticular dispersion device 26 comprises a fixed frame 261, and a reticular dispersion structure is fixed on the fixed frame 261; the fixing frame 261 is detachably connected with the dispersing device 26 through bolts, so that the dispersing device can be rapidly replaced.
The shape of the net-shaped dispersing structure is a straight cylinder 262 or a conical cylinder 263 with a narrow upper part and a wide lower part.
An air inlet pipeline between the dust extraction port 23 and the dust extraction system 5 is also provided with an air regulating valve 6 and a coarse and fine material separating device 9. The negative pressure in the cylinder body 21 is adjusted through the air adjusting valve 6, the air speed of the pipeline is changed, the content of stone powder in large-particle materials can be adjusted, and multi-stage powder separation is realized; meanwhile, in the coarse and fine material separation device 9, the coarse particles and the fine powder are separated again. The coarse and fine material separating device 9 comprises a shell 91, and an L-shaped baffle 92 is arranged at the upper part in the shell 91; the feed inlet of casing 91 is connected to and takes out dirt mouth 23, and the fine material export links to each other with dust extraction system 5, and the coarse fodder export that the bottom was equipped with is connected to feed bin 4 through operation belt feeder 3, changes the pipeline wind speed through air regulating valve 6, and under coarse and fine material separator's the effect of L shape baffle 92 simultaneously, the farine got into the dust remover, and the coarse fodder subsides under the action of gravity, recycle in the circulation entering feed bin 4, is difficult for causing the waste to realize multistage selection powder, the practicality is better.
The air inlet 28 comprises a primary air inlet 281 and a secondary air inlet 282 which are arranged on the cylinder 21, the primary air inlet 281 and the secondary air inlet 282 are arranged relative to the rotation direction of the throwing rotor 253 and are oppositely distributed on the outer circumference of the powder selecting cylinder 1 at 180 degrees; 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, after the agglomerates thrown onto the net-shaped dispersing device 26 are collided and disintegrated under the action of inertia, the air flow drives the agglomerates to form rotational flow in the cylinder, the cylinder is filled, 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 23, coarse particle materials settle along the cylinder, and flow out from the discharge port 24 under the action of gravity, and finally material dispersion and powder selection are achieved. And a tertiary air inlet 283 is arranged near the discharge port 24 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 cylinder 21 can be subjected to the secondary powder selection, and the powder selection efficiency of the equipment is improved.
The utility model discloses specific work flow includes following step:
s1, dispersing the agglomerate material pile;
s2, performing impact dissociation on the dispersed agglomerates;
s3, while dissociating, carrying out thickness grading on the dissociated materials;
and s4, classifying, collecting and processing the classified materials.
Specifically, firstly, realizing the dispersion operation of the agglomerated material pile by a vibration dispersion method; the uniform feeding can be realized through the dispersive vibration feeding device, and the impact and grading efficiency is improved;
then applying external high-speed impact force to the dispersed agglomerates to break the force balance inside the agglomerates so as to realize the dissociation of the agglomerates; while the materials are dissociated, the dissociated materials are classified and selected by wind power, so that the dissociated dispersion is prevented from reunion before being sorted;
and finally, feeding the coarse and fine aggregates, and classifying and collecting.
Preferably, the agglomerates are dissociated by a mechanical or pneumatic impact method.
The mechanical impact method is characterized in that external centrifugal force is applied to the agglomerates, so that the agglomerates obtain higher impact speed and are thrown onto a dispersing device which enables the agglomerates to be torn and decomposed, and the balance of internal force of the agglomerates is broken under the action of the impact force, so that the agglomerates are dissociated.
The air flow impact method is characterized in that the agglomerates are blown by air flow, so that the agglomerates are projected to a dispersing device which enables the agglomerates to be torn and decomposed at a higher impact speed, and the internal force balance of the agglomerates is destroyed under the action of impact force, so that the agglomerates are dissociated.
In order to realize the sufficient dissociation of the agglomerates, the impact speed of the agglomerates is adjusted according to the humidity and viscosity types of the agglomerates, specifically, the water content and viscosity of the agglomerates are in direct proportion to the corresponding impact speed, so that the agglomerates are sufficiently dissociated under the action of the impact force, and the coarse aggregates are prevented from being broken.
In step s3, the material after dissociation is made to form a rotational flow by wind force, so that the material is fully dispersed, the proportion of local particles in the air is reduced, fine micro powder rises along the negative pressure direction, coarse particle material is settled along the cylinder, and classification of coarse particles and micro powder is carried out.
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 (7)
1. An agglomerate impact dissociation sorting system comprises a dispersing feeding device (1), and is characterized in that: the discharge port of the dispersed feeding device (1) is connected with the impact dissociation sorting device (2), and the discharge port of the impact dissociation sorting device (2) is connected with the storage bin (4) through the operation belt conveyor (3); the impact dissociation sorting device (2) is provided with a dust extraction port (23) and a plurality of air inlets (28), the dust extraction port (23) is connected with a dust extraction system (5), and the air inlets (28) are connected with a negative pressure fan system; and the dispersed feeding device (1), the impact dissociation sorting device (2), the operation belt conveyor (3), the dust extraction system (5) and the negative pressure fan system are all connected with a PLC control system for controlling the mutual cooperation of the dispersed feeding device, the impact dissociation sorting device and the operation belt conveyor.
2. The agglomerate impact dissociation sorting system of claim 1, wherein: the impact dissociation sorting device (2) comprises a cylinder body (21), at least two air inlets (28) are formed in the cylinder body (21), and a feeding hole (22) and a dust extraction hole (23) are formed in the top of the cylinder body (21); a conical discharge hole (24) is arranged at the bottom; the barrel (21) is internally provided with a material throwing device (25) and a mesh-type dispersing device (26) matched with the material throwing device, and the barrel (21) is externally provided with a driving device (27) connected with the material throwing device (25).
3. The agglomerate impactor dissociation sorting system of claim 1 or 2, wherein: the feed inlet of the dispersed feeding device (1) is connected with the buffer bin (8); an air adjusting valve (6) and a coarse and fine material separating device (9) are sequentially arranged on an air inlet pipeline between the dust extraction port (23) and the dust extraction system (5), a fine material outlet of the coarse and fine material separating device (9) is connected with the dust extraction system (5), and a coarse material outlet is circularly connected to the storage bin (4).
4. The agglomerate impact dissociation sorting system of claim 2, wherein: the material throwing device (25) is of a rotor body structure; the mesh-like dispersion device (26) surrounds the rotor body structure at its outer circumference.
5. The agglomerate impact dissociation sorting system of claim 2, wherein: the driving device (27) is arranged in a variable frequency mode.
6. The agglomerate impact dissociation sorting system of claim 2, wherein: and a third air inlet (283) is arranged on the conical discharge hole (24).
7. The agglomerate impact dissociation sorting system of claim 3, wherein: the coarse and fine material separating device (9) comprises a shell (91), and an L-shaped baffle (92) for realizing coarse and fine material distribution is arranged at the upper part in the shell (91).
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| CN202020990714.2U CN212418276U (en) | 2020-06-03 | 2020-06-03 | Agglomerate impact dissociation sorting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751178A (en) * | 2020-06-03 | 2021-12-07 | 贵州成智重工科技有限公司 | Impact dissociation sorting method and system for agglomerates |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751178A (en) * | 2020-06-03 | 2021-12-07 | 贵州成智重工科技有限公司 | Impact dissociation sorting method and system for agglomerates |
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