Airflow classifier for bentonite

Abstract

The utility model discloses an airflow classifier for bentonite, which relates to the technical field of bentonite processing and comprises a classifier body, an air duct body for conveying materials is fixedly mounted in the classifier body, and a moving component is arranged in the air duct body. The moving assembly comprises a bearing frame, a bearing cylinder, a synchronous rod, an auxiliary lantern ring and inclined branch paddles, a sliding riveting plate used for butt joint is fixedly installed at the bottom end of the bearing cylinder, a transmission rod is rotatably installed in the bearing frame, and the synchronous rod rubs with the top end of a friction driving plate to generate upward acting force on the bearing cylinder, so that the bearing cylinder is driven to rotate; the bearing cylinder can vertically slide at the top end of the bearing frame, the layering phenomenon can be broken through vertical sliding of the inclined branch paddles, particles on the upper layer are brought to the lower layer, particles on the lower layer are brought to the upper layer, meanwhile, airflow in different areas is made to be mutually blended, bentonite particles and the airflow are better and evenly distributed, and the grading efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bentonite processing technical field, especially a bentonite airflow classifier. BACKGROUND

[0002] Bentonite airflow classifier is a kind of equipment using airflow to carry out bentonite particle grading, and its basic principle is to realize grading based on the settling velocity difference of particles in airflow, and in practical application, airflow classifier usually needs the following technologies:

[0003] 1, feed system, for conveying bentonite to the inside of equipment;

[0004] 2, grading system, different particle sizes of particles realize separation under the joint action of airflow and the force generated by grading wheel;

[0005] 3, airflow system, the airflow generated is transported into classifier;

[0006] 4, dust collection system, for guiding dust-containing airflow;

[0007] When airflow enters grading cavity, meets bentonite particles from feed inlet, due to the settling velocity of different particle sizes of bentonite particles in airflow is different, the movement track in horizontal direction is also different, larger particle size of particles will quickly settle to the bottom of classifier, and smaller particle size of particles will move a long distance in horizontal direction under the entrainment of airflow, by setting different collection ports at the bottom of classifier, different particle size ranges of particles can be collected respectively.

[0008] Air duct is used to connect grading chamber, guide airflow and particles to flow between chambers, when processing high viscosity bentonite, particles can gradually accumulate, make the effective cross-sectional area of air duct decrease, particles will gradually accumulate like being adsorbed, with time elapsing, the inner diameter of air duct becomes smaller, the resistance of airflow passing increases, finally leads to blockage. UTILITY MODEL CONTENTS

[0009] In view of the deficiency of prior art, the utility model provides a bentonite airflow classifier, solves the technical problem that when processing high viscosity bentonite, particles can gradually accumulate, make the effective cross-sectional area of air duct decrease, particles will gradually accumulate like being adsorbed, with time elapsing, the inner diameter of air duct becomes smaller, the resistance of airflow passing increases, finally leads to blockage.

[0010] To realize the above purpose, the utility model is realized by the following technical schemes:

[0011] A kind of bentonite airflow classifier, including classifier body, the inside fixed mounting of the classifier body is equipped with air duct body for conveying material, the inside of the air duct body is provided with movement component, the movement component includes support frame, bearing cylinder, synchronous rod, auxiliary collar, obliquely placed branch paddle, the bottom end of the bearing cylinder is fixedly installed with sliding riveting plate for docking, the inside of the support frame is rotatably installed with transmission rod.

[0012] Preferably: the two side ends of each obliquely placed branch paddle are provided with inclined blades, each obliquely placed branch paddle is installed at the inside of auxiliary collar with equal distance, the bearing cylinder rotates at the top end of support frame;

[0013] The top end of the support frame is rotatably installed with rotating sleeve for driving bearing cylinder to rotate, the end of the rotating sleeve is fixedly installed with bevel gear engaged with transmission rod;

[0014] The top end of the rotating sleeve is fixedly installed with multi-section compressed cylindrical stretch rod, the other end of the cylindrical stretch rod is connected with bearing cylinder, the top end of the rotating sleeve is fixedly installed with docking tenon for docking sliding riveting plate.

[0015] Preferably: the top end of the support frame is fixedly installed with two support rods for supporting connection, the top end of each support rod is fixedly installed with friction driving plate slidingly rubbed with synchronous rod, the top end of each friction driving plate is curved camber design;

[0016] The end of the transmission rod is connected with the output shaft of external motor;

[0017] The upper half of the classifier body is connected with hopper, the lower half of the classifier body is connected with fan, the bottom end of the classifier body is installed with two discharge ports;

[0018] Compression spring is installed in the cylindrical stretch rod, the cylindrical stretch rod always generates downward pulling force to bearing cylinder.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] In the utility model, the bearing cylinder is driven to rotate at the top end of the support frame by the rotating transmission rod, the obliquely placed branch paddle and its two sides branch can effectively scatter the agglomerated bentonite particles, continuously agitate the particles in airflow, so that they collide with each other, thereby destroying the cohesive force between bentonite particles, so that the particles exist in the form of smaller individuals in airflow, preventing the agglomeration of bentonite particles from blocking the passages between chambers.

[0021] The utility model discloses a synchronous rod and the top friction of friction drive board are used to generate the upward force to the bearing cylinder, and the bearing cylinder can vertically slide on the top of the support frame, and the up-down sliding of the obliquely arranged branch paddle can break the stratification, and the particles in the upper layer are brought to the lower layer, and the particles in the lower layer are brought to the upper layer, and the airflow in different regions is mixed, so that the bentonite particles and the airflow are evenly distributed, and the grading efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model are described in detail below.

[0023] Figure 1 It is the structure diagram of the utility model's classifier body;

[0024] Figure 2 It is the structure diagram of the utility model's air duct body;

[0025] Figure 3 It is the structure diagram of the utility model's support frame;

[0026] Figure 4 It is the structure diagram of the utility model's obliquely arranged branch paddle;

[0027] Figure 5 It is the structure diagram of the utility model Figure 3 A place amplification structure diagram of the utility model.

[0028] In the drawing: 11, classifier body;12, air duct body;13, support frame;14, transmission rod;15, butt joint tenon;16, cylindrical tension rod;17, bearing cylinder;18, sliding riveting plate;19, synchronous rod;21, auxiliary collar;22, obliquely arranged branch paddle;23, friction drive plate;24, support rod;25, rotating sleeve. DETAILED DESCRIPTION

[0029] The bentonite airflow classifier provided by the embodiment of the application effectively solves the problems that when high viscosity bentonite is processed, particles may gradually accumulate, the effective cross-sectional area of the air duct is reduced, the particles are gradually accumulated like being adsorbed, with the passage of time, the inner diameter of the air duct becomes smaller, the resistance of airflow passing through is increased, and finally, the air duct is blocked, the bearing cylinder is rotated at the top of the support frame by the rotating transmission rod, the obliquely arranged branch paddle and the branches on the two sides of the branch paddle can effectively scatter the agglomerated bentonite particles, the particles in the airflow are continuously stirred, so that the particles collide with each other, the cohesion between the bentonite particles is destroyed, the particles exist in the airflow in the form of smaller individuals, and the agglomeration of the bentonite particles is prevented to block the passages between the chambers.

[0030] Embodiments

[0031] As Figure 1 Figure 5 The technical scheme in the embodiments of the present application effectively solves the technical problem that when processing high-viscosity bentonite, particles may gradually accumulate, the effective cross-sectional area of the air duct is reduced, the particles gradually accumulate like being adsorbed, with the passage of time, the inner diameter of the air duct becomes smaller, the resistance of airflow passing through increases, and finally leads to blockage, and the overall idea is as follows:

[0032] In view of the problems in the prior art, the utility model provides a bentonite airflow classifier, including classifier body 11, the inside fixed mounting of classifier body 11 is used for conveying material's air duct body 12, the inside of air duct body 12 is provided with movement assembly, movement assembly includes support frame 13, bearing cylinder 17, synchronous rod 19, auxiliary collar 21, oblique branch paddle 22, the bottom fixed mounting of bearing cylinder 17 is used for the sliding riveting plate 18 of butt joint, the inside rotatory mounting of support frame 13 has transmission rod 14, through the end of transmission rod 14 and motor connection, drive transmission rod 14 rotates in the inside of support frame 13;

[0033] The upper half of the classifier body 11 is connected to the hopper, the lower half of the classifier body 11 is connected to the fan, and the bottom end of the classifier body 11 is provided with two discharge ports. Each oblique branch paddle 22 is provided with inclined blades at both side ends. Each oblique branch paddle 22 is equally spaced and installed on the inner side of the auxiliary collar 21. The bearing cylinder 17 rotates at the top end of the support frame 13. The rotating transmission rod 14 drives the bearing cylinder 17 to rotate at the top end of the support frame 13. The rotating oblique branch paddle 22 and the branches on both sides can effectively break up the agglomerated bentonite particles. The particles in the airflow are constantly stirred, so that they collide with each other, thereby breaking the bonding force between the bentonite particles, allowing the particles to exist in the airflow in the form of smaller individuals, and preventing the agglomeration of bentonite particles from blocking the passages between the chambers.

[0034] A rotating sleeve 25 is rotatably installed at the top end of the support frame 13 to drive the bearing cylinder 17 to rotate. A bevel gear engaged with the transmission rod 14 is fixedly installed at the end of the rotating sleeve 25. A multi-section compressed cylindrical stretch rod 16 is fixedly installed at the top end of the rotating sleeve 25. The other end of the cylindrical stretch rod 16 is connected to the bearing cylinder 17. A butt joint tenon 15 for butt joint with the sliding riveting plate 18 is fixedly installed at the top end of the rotating sleeve 25. A compression spring is installed in the cylindrical stretch rod 16. The cylindrical stretch rod 16 always generates a downward pulling force on the bearing cylinder 17. Through the rotation of the rotating sleeve 25, the bearing cylinder 17 is driven to rotate, and the butt joint tenon 15 and the sliding riveting plate 18 are in a state of mutual butt joint. Meanwhile, the bearing cylinder 17 can vertically slide at the top end of the rotating sleeve 25.

[0035] ​The top end of the support frame 13 is fixedly installed with two support rods 24 for supporting connection, the top end of each support rod 24 is fixedly installed with a friction drive plate 23 sliding friction with the synchronous rod 19, the top end of each friction drive plate 23 is a curved surface design, the rotation of the rotating sleeve 25 drives the bearing cylinder 17 to rotate at the top end of the support frame 13, the rotation of the bearing cylinder 17 drives the synchronous rod 19 to rotate synchronously, the synchronous rod 19 rubs with the top end of the friction drive plate 23, an upward force is generated on the bearing cylinder 17, so that the bearing cylinder 17 can vertically slide at the top end of the support frame 13, inside the air duct body 12, the speed and particle distribution of the airflow in the vertical direction may be different, the up-down sliding of the inclined branch paddle 22 can break this stratification phenomenon, the particles in the upper layer are brought to the lower layer, and the particles in the lower layer are brought to the upper layer, and at the same time, the airflows in different regions are mixed with each other, so that the bentonite particles and the airflow achieve better uniform distribution, and the classification efficiency is improved.

[0036] Working principle:

[0037] In the first step, the bentonite raw material is transported to the feed hopper, the fan of the airflow system is turned on, the airflow generated by the fan enters the classification cavity of the classifier body 11 through the air duct body 12, after the bentonite particles and the airflow are mixed, they will flow together in the horizontal direction, the larger particle size bentonite particles will quickly settle to the bottom of the classifier body 11, and the smaller particle size bentonite particles will move a long distance in the horizontal direction under the entrainment of the airflow, and part of the fine bentonite particles will enter the dust collection system with the airflow during the classification process.

[0038] In the second step, the end of the transmission rod 14 is connected with the motor, the transmission rod 14 is driven to rotate in the inside of the support frame 13, the rotating transmission rod 14 drives the bearing cylinder 17 to rotate at the top end of the support frame 13, the rotating inclined branch paddle 22 and the branches on both sides thereof can effectively break up the agglomerated bentonite particles, the particles in the airflow are constantly stirred, so that they collide with each other, thereby destroying the bonding force between the bentonite particles, so that the particles exist in the airflow in the form of smaller individuals, preventing the agglomeration of the bentonite particles from blocking the passages between the chambers, the rotation of the rotating sleeve 25 drives the bearing cylinder 17 to rotate at the top end of the support frame 13, the rotation of the bearing cylinder 17 drives the synchronous rod 19 to rotate synchronously, the synchronous rod 19 rubs with the top end of the friction drive plate 23, an upward force is generated on the bearing cylinder 17, so that the bearing cylinder 17 can vertically slide at the top end of the support frame 13, inside the air duct body 12, the speed and particle distribution of the airflow in the vertical direction may be different, the up-down sliding of the inclined branch paddle 22 can break this stratification phenomenon, the particles in the upper layer are brought to the lower layer, and the particles in the lower layer are brought to the upper layer, and at the same time, the airflows in different regions are mixed with each other, so that the bentonite particles and the airflow achieve better uniform distribution in the entire air duct space, and the classification efficiency is improved.

[0039] Finally, it should be noted that: apparently, the above examples are merely for the purpose of clearly illustrating the utility model, and not limited to the implementation. For those of ordinary skill in the art, on the basis of the above description can also be made other different forms of changes or variations. Here do not need to and can not all the implementation to be exhausted. The obvious changes or variations derived from still within the scope of the utility model.

Claims

1. An air classifier for bentonite comprising a classifier body (11), characterised in that, The inside of the classifier body (11) is fixedly installed with an air duct body (12) for conveying materials, the inside of the air duct body (12) is provided with a movement assembly, the movement assembly comprises a supporting frame (13), a bearing cylinder (17), a synchronous rod (19), an auxiliary collar (21), and an inclined branch paddle (22), the bottom end of the bearing cylinder (17) is fixedly installed with a sliding riveting plate (18) for docking, and the inside of the supporting frame (13) is rotatably installed with a transmission rod (14).

2. An air classifier for bentonite as claimed in claim 1, wherein, Both side ends of each of the inclined branch paddles (22) are provided with inclined blades, each of the inclined branch paddles (22) is installed at the inner side of the auxiliary collar (21) at equal intervals, and the bearing cylinder (17) rotates at the top end of the supporting frame (13).

3. An air classifier for bentonite as claimed in claim 1, wherein, The top end of the supporting frame (13) is rotatably installed with a rotating sleeve (25) for driving the bearing cylinder (17) to rotate, the end of the rotating sleeve (25) is fixedly installed with a bevel gear engaged with the transmission rod (14).

4. An air classifier for bentonite as claimed in claim 3, wherein, The top end of the rotating sleeve (25) is fixedly installed with a multi-section compressed cylindrical tension rod (16), the other end of the cylindrical tension rod (16) is connected with the bearing cylinder (17), and the top end of the rotating sleeve (25) is fixedly installed with a docking tenon (15) for docking the sliding riveting plate (18).

5. An air classifier for bentonite as defined in claim 1, wherein The top end of the supporting frame (13) is fixedly installed with two support rods (24) for supporting connection, the top end of each of the support rods (24) is fixedly installed with a friction driving plate (23) slidingly frictional with the synchronous rod (19), and the top end of each of the friction driving plates (23) is a curved surface design.

6. An air classifier for bentonite as defined in claim 1, wherein The end of the transmission rod (14) is connected with an external motor output shaft.

7. An air classifier for bentonite as defined in claim 1, wherein The upper half of the classifier body (11) is connected with a hopper, the lower half of the classifier body (11) is connected with a fan, and the bottom end of the classifier body (11) is installed with two discharge ports.

8. An air classifier for bentonite as claimed in claim 4, wherein, The inside of the cylindrical tension rod (16) is installed with a compression spring, and the cylindrical tension rod (16) always generates a downward pulling force on the bearing cylinder (17).

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