CN220055573U

CN220055573U - Anti-blocking device of pneumatic conveying system

Info

Publication number: CN220055573U
Application number: CN202320368516.6U
Authority: CN
Inventors: 姜先伟; 杨殿鹏; 顾彪; 庞栋; 姜先军
Original assignee: Jinan Hengyu Machinery Co ltd
Current assignee: Jinan Hengyu Machinery Co ltd
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-11-21
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses an anti-blocking device of a pneumatic conveying system, which comprises a conveying tank and a receiving tank, wherein a conveying pipeline is arranged between the conveying tank and the receiving tank, one side of the conveying pipeline is provided with a compressed gas inlet, the upper side of the compressed gas inlet of the conveying pipeline is communicated with the conveying tank, and the other end of the conveying pipeline is communicated with the receiving tank. The conveying tank is provided with a feed inlet, a stirring device is arranged in the conveying tank, a sieving device is arranged below the stirring device, a screen is arranged on the sieving device, a cam device is arranged on one side of the screen, the output end of the cam device is fixedly connected with the screen, a sliding groove is formed in the joint of the screen and the conveying tank, and the screen is in sliding connection with the sliding groove. The utility model has the following advantages: the raw materials in the conveying tank can be stirred to prevent caking, the screen can move to assist in discharging, and the bottom of the lifting conveying pipe is provided with a gravity feed groove to prevent bottom blockage, so that the device is simple.

Description

Anti-blocking device of pneumatic conveying system

Technical Field

The utility model relates to the technical field of pneumatic conveying, in particular to an anti-blocking device of a pneumatic conveying system.

Background

Pneumatic conveying, also called air conveying, is to utilize the energy of air flow to convey granular material in the air flow direction in a closed pipeline, and is one specific application of fluidization technology. The pneumatic conveying device is simple in structure and convenient to operate, can be used for conveying horizontally, vertically or obliquely, can effectively reduce labor cost and improve production efficiency, the blocking phenomenon generated in the using process of the conventional pneumatic conveying system is always a technical problem to be solved in pneumatic conveying, when the conventional pneumatic conveying device is used for preventing blocking, a screen is usually added at a conveying inlet, massive raw materials are filtered, but conveyed materials are filtered before conveying, only a part of the processed materials can be temporarily blocked due to extrusion, a large amount of raw materials can be wasted when the screen is used for screening, or the blocked raw materials are reprocessed, time is wasted, the bottom of the conventional pneumatic conveying device is blocked at the bottom due to the gravity of a part of raw materials, an additional pressurizing device is arranged on the conveying device at the bottom to provide airflow pressure at the bottom so as to achieve the purpose of removing the blocking, but the pressurizing device is additionally added at the middle of the conveying pipeline, the flexibility of the conveying pipeline is increased, the effect on the flexibility of the conveying pipeline is also caused, and the power sources such as power sources are required to be added, and the complexity of the device is increased.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an anti-blocking device of a pneumatic conveying system, which can be used for stirring raw materials in a conveying tank, can be used for preventing caking, can be used for moving a screen to assist in discharging, is used for preventing bottom blockage by arranging a heavy trough at the rising bottom of a conveying pipe, and is simple and convenient.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the device comprises a conveying tank and a receiving tank, wherein a conveying pipeline is arranged between the conveying tank and the receiving tank, a compressed gas inlet is formed in one side of the conveying pipeline, the upper side of the compressed gas inlet of the conveying pipeline is communicated with the conveying tank, and the other end of the conveying pipeline is communicated with the receiving tank. The conveying tank is provided with a feed inlet, a stirring device is arranged in the conveying tank, a sieving device is arranged below the stirring device, a screen is arranged on the sieving device, a cam device is arranged on one side of the screen, the output end of the cam device is fixedly connected with the screen, a sliding groove is formed in the joint of the screen and the conveying tank, and the screen is in sliding connection with the sliding groove.

Further, the stirring device is provided with a first motor outside the conveying tank, the output end of the first motor is provided with a first rotating shaft, the first rotating shaft is provided with a first belt pulley, the second rotating shaft is arranged above the conveying tank, stirring blades are arranged on the first rotating shaft and the second rotating shaft, the second rotating shaft is fixedly provided with a second belt pulley in the conveying tank, and a belt is arranged between the second belt pulley and the first belt pulley to be connected. Ensure the stirring of the stirring device.

Further, the cam device is provided with a second motor, a cam is fixedly arranged at the output end of the second motor, a push plate is arranged on one side of the cam, a push rod is arranged on one side of the push plate, the push rod penetrates through the inner wall of the conveying tank and is movably connected with the inner wall of the conveying tank, a spring is arranged on the push rod between the push plate and the conveying tank, and the push rod is fixedly connected with the screen. Ensuring the screen cloth to screen back and forth.

Further, the receiving tank is provided with a discharge hole, a discharge device is arranged above the discharge hole, a motor III is arranged above the discharge device, a screw shaft is arranged at the output end of the motor III, screw blades are arranged on the screw shaft, and baffles are arranged below the screw blades. The convenience of discharging in the receiving tank is ensured.

Further, an interface is arranged at the bottom of the rising part of the conveying pipe, a heavy material groove is arranged below the interface, and the heavy material groove is meshed with the interface. Ensure the collection of heavy materials at the bottom of the ascending part of the conveying pipe and prevent blockage.

Further, the receiving tank is provided with an air outlet, and a filter screen is arranged at the bottom of the air outlet. Ensure the discharge of the gas in the receiving tank and prevent the material from following the discharge of the gas flow.

Further, the connection part of the first rotating shaft and the second rotating shaft and the conveying tank is provided with a rotating bearing, and one side of the conveying tank is provided with a power line. The rotation and the power source of the first rotation shaft and the second rotation shaft are ensured.

Compared with the prior art, the utility model has the advantages that: the device is equipped with agitating unit, can carry out real-time stirring to the raw materials in the delivery tank, can effectually prevent that the raw materials from becoming the caking owing to piling up, lead to the screen cloth to screen out the condition that causes the waste with massive raw materials, the continuous motion of screen cloth can let the raw materials come out in the in-process of whereabouts, help the transportation of raw materials, the bottom at the ascending part of pipeline additionally is equipped with heavy silo, when the raw materials that the air current is motionless rises, the overweight raw materials can drop in heavy silo, after the heavy silo is collected full with the heavy silo take off clear up can, heavy silo connected mode is simple, do not need electric power, can not influence pipeline's flexibility.

Drawings

Fig. 1 is a schematic structural view of an anti-clogging device of a pneumatic conveying system.

Fig. 2 is a schematic side view of a stirring device of an anti-clogging device of a pneumatic conveying system.

Fig. 3 is a schematic view of the structure of a cam device of an anti-blocking device of a pneumatic conveying system.

As shown in the figure: 1. a transfer pot; 2. a receiving tank; 3. a delivery conduit; 4. a compressed gas inlet; 5. a feed inlet; 6. a stirring device; 7. a sieving device; 8. a screen; 9. a cam device; 10. a sliding groove; 11. a first motor; 12. a first rotating shaft; 13. a first belt pulley; 14. a second rotating shaft; 15. stirring the leaves; 16. a belt pulley II; 17. a belt; 18. a second motor; 19. a cam; 20. a push plate; 21. a push rod; 22. a spring; 23. a discharge port; 24. a discharging device; 25. a third motor; 26. a screw shaft; 27. spiral leaves; 28. a baffle; 29. an interface; 30. a gravity feed groove; 31. an air outlet; 32. a filter screen; 33. a rotating bearing; 34. and a power supply line.

Detailed Description

Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

The device is shown in the attached drawings 1 and 2, and comprises a conveying tank 1 and a receiving tank 2, wherein a conveying pipeline 3 is arranged between the conveying tank 1 and the receiving tank 2, a compressed gas inlet 4 is formed in one side of the conveying pipeline 3, the upper side of the compressed gas inlet 4 of the conveying pipeline 3 is communicated with the conveying tank 1, and the other end of the conveying pipeline 3 is communicated with the receiving tank 2. The conveying tank 1 is provided with a feed inlet 5, a stirring device 6 is arranged in the conveying tank 1, a first motor 11 is arranged outside the conveying tank 1 by the stirring device 6, a first rotating shaft 12 is arranged at the output end of the first motor 11, a first belt pulley 13 is arranged on the first rotating shaft 12, a second rotating shaft 14 is arranged above the conveying tank 1, stirring blades 15 are arranged on the first rotating shaft 12 and the second rotating shaft 14, a second belt pulley 16 is fixedly arranged in the conveying tank 1 by the second rotating shaft 14, and a belt 17 is arranged between the second belt pulley 16 and the first belt pulley 13 to be connected. The raw materials in the conveying tank are guaranteed to be stirred in real time, caking of the raw materials caused by long-time accumulation is prevented, screening of the screen is affected, and waste of the raw materials is caused.

Referring to fig. 1 and 3, a sieving device 7 is arranged under the stirring device 6, the sieving device 7 is provided with a screen 8, one side of the screen 8 is provided with a cam device 9, the cam device 9 is provided with a motor II 18, the output end of the motor II 18 is fixedly provided with a cam 19, one side of the cam 19 is provided with a push plate 20, one side of the push plate 20 is provided with a push rod 21, the push rod 21 penetrates through the inner wall of the conveying tank 1 and is movably connected with the inner wall of the conveying tank 1, a spring 22 is arranged on the push rod 21 between the push plate 20 and the conveying tank 1, the push rod 21 is fixedly connected with the screen 8, the output end of the cam device 9 is fixedly connected with the screen 8, the joint of the screen 8 and the conveying tank 1 is provided with a sliding groove 10, and the screen 8 is slidably connected with the sliding groove 10. The screen cloth is guaranteed to screen back and forth, raw materials can be better dispersed in the falling process, and the conveying of the raw materials is facilitated.

Referring to fig. 1, the receiving tank 2 is provided with a discharge hole 23, a discharge device 24 is arranged above the discharge hole 23, a motor III 25 is arranged above the discharge device 24, a screw shaft 26 is arranged at the output end of the motor III 25, a screw blade 27 is arranged on the screw shaft 26, a baffle 28 is arranged below the screw blade 27, the receiving tank 2 is provided with an air outlet 31, a filter screen 32 is arranged at the bottom of the air outlet 31 to ensure the receiving and discharging of the receiving tank and the discharging of the gas entering the receiving tank, and the waste of raw materials can not be caused in the discharging process.

Referring to fig. 1, an interface 29 is provided at the bottom of the rising portion of the conveying pipeline 3, a heavy material tank 30 is provided under the interface 29, the heavy material tank 30 and the interface 29 are meshed, a rotating bearing 33 is provided at the joint of the first rotating shaft 12 and the second rotating shaft 14 and the conveying tank 1, and a power line 34 is provided at one side of the conveying tank 1. The source of power is guaranteed and the heavy material groove is additionally arranged at the bottom of the rising part of the conveying pipeline, when the raw materials with the air flow being motionless rise, the overweight raw materials can fall into the heavy material groove, and the bottom of the rising part of the conveying pipeline is prevented from being blocked.

When the utility model is implemented, the raw materials are added into the conveying tank from the feed inlet, the motor I is started, the motor I drives the rotating shaft I to rotate, the rotating shaft I drives the belt pulley I to rotate while the rotating shaft I drives the stirring blade to rotate, the belt pulley II drives the belt pulley II to rotate, the belt pulley II drives the stirring blade to rotate, the stirring blade rotates to turn the raw materials over in real time, the caking is placed, the motor II is started, the motor II drives the cam to rotate, the push plate is driven by the cam to push the push plate, the push plate drives the push rod to move back and forth, the push rod drives the screen to sieve under the action of the spring and the cam, the raw materials can be dispersed conveniently in the falling process, compressed gas is introduced from the compressed gas inlet, the raw materials are conveyed through the gas conveying pipeline, part of heavier raw materials fall into the heavy material tank when the lifting stage, normal materials enter the receiving tank, the gas is discharged from the gas outlet, when the receiving tank is required to be discharged from the receiving tank, the motor III drives the spiral shaft, the spiral shaft drives the spiral blade to drive the spiral blade to discharge from the baffle to assist the discharge port. What is not described in detail in this specification is prior art known to those skilled in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a pneumatic conveying system's anti-blocking device, includes delivery tank (1) and receiving tank (2), be equipped with pipeline (3) between delivery tank (1) and receiving tank (2), pipeline (3) one side is equipped with compressed gas entry (4), pipeline (3) compressed gas entry (4) one side top and delivery tank (1) intercommunication setting, pipeline (3) other end and receiving tank (2) intercommunication setting, its characterized in that: the conveying tank (1) is provided with a feeding hole (5), a stirring device (6) is arranged in the conveying tank (1), a sieving device (7) is arranged below the stirring device (6), a screen (8) is arranged on one side of the sieving device (7), a cam device (9) is arranged on one side of the screen (8), an output end of the cam device (9) is fixedly connected with the screen (8), a sliding groove (10) is formed in the joint of the screen (8) and the conveying tank (1), and the screen (8) is in sliding connection with the sliding groove (10).

2. An anti-clogging device for a pneumatic conveying system as claimed in claim 1, wherein: stirring device (6) are equipped with motor one (11) in transport tank (1) outside, motor one (11) output is equipped with axis of rotation one (12), be equipped with belt pulley one (13) on axis of rotation one (12), transport tank (1) top is equipped with axis of rotation two (14), all be equipped with stirring leaf (15) on axis of rotation one (12) and axis of rotation two (14), axis of rotation two (14) are equipped with belt pulley two (16) at transport tank (1) internal fixation, be equipped with belt (17) between belt pulley two (16) and belt pulley one (13) and connect.

3. An anti-clogging device for a pneumatic conveying system as claimed in claim 1, wherein: cam gear (9) are equipped with motor two (18), motor two (18) output is fixed to be equipped with cam (19), cam (19) one side is equipped with push pedal (20), push pedal (20) one side is equipped with push rod (21), push rod (21) run through transport tank (1) inner wall and transport tank (1) inner wall swing joint, be equipped with spring (22) on push rod (21) between push pedal (20) and transport tank (1), push rod (21) and screen cloth (8) fixed connection.

4. An anti-clogging device for a pneumatic conveying system as claimed in claim 1, wherein: the receiving tank (2) is provided with a discharge hole (23), a discharge device (24) is arranged above the discharge hole (23), a motor III (25) is arranged above the discharge device (24), a screw shaft (26) is arranged at the output end of the motor III (25), a screw blade (27) is arranged on the screw shaft (26), and a baffle (28) is arranged below the screw blade (27).

5. An anti-clogging device for a pneumatic conveying system as claimed in claim 1, wherein: the bottom of the ascending part of the conveying pipeline (3) is provided with an interface (29), a heavy material groove (30) is arranged below the interface (29), and the heavy material groove (30) and the interface (29) are meshed.

6. An anti-clogging device for a pneumatic conveying system as claimed in claim 1, wherein: the receiving tank (2) is provided with an air outlet (31), and a filter screen (32) is arranged at the bottom of the air outlet (31).

7. An anti-clogging device for a pneumatic conveying system as claimed in claim 2, wherein: the rotary bearing (33) is arranged at the joint of the first rotary shaft (12), the second rotary shaft (14) and the conveying tank (1), and a power line (34) is arranged on one side of the conveying tank (1).