CN214455055U

CN214455055U - Anti-blocking device for pneumatic conveying system

Info

Publication number: CN214455055U
Application number: CN202023165183.2U
Authority: CN
Inventors: 张兵
Original assignee: Pingshan Innovation Conveying Equipment Co ltd
Current assignee: Pingshan Innovation Conveying Equipment Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-22
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to the technical field of pneumatic conveying, in particular to a pneumatic conveying system anti-blocking device, which comprises an air pump, a box body, a gas collecting box and a collecting box, wherein the output end of the air pump is connected with a first air pipe, the right end of the first air pipe is connected with a four-way pipe, the right end of the four-way pipe is connected with a first valve, the right end of the first valve is connected with a second air pipe, the bottom end of the box body is provided with a first discharging port, the inside of the first discharging port is connected with a first discharging pipe, the bottom end of the four-way pipe is connected with a fourth air pipe, one end of the fourth air pipe, which is far away from the four-way pipe, extends to the inside of the gas collecting box and is connected with a first one-way valve, through the arrangement of the gas collecting box, when a corner of the device is blocked, the gas of the air pump enters the gas collecting box to be compressed, when a pressure sensor detects that the pressure is increased to a certain value, the second valve is opened, the compressed gas enters the second air pipe and the sixth air pipe to dredge the blocked position, the use convenience is improved.

Description

Anti-blocking device for pneumatic conveying system

Technical Field

The utility model relates to a pneumatic conveying technical field specifically is pneumatic conveying system prevents stifled device.

Background

The pneumatic conveying device has simple structure and convenient operation, can be used for horizontal, vertical or inclined conveying, and can simultaneously carry out physical operations or certain chemical operations such as heating, cooling, drying, air flow classification and the like on the materials in the conveying process.

When the existing pneumatic conveying device is used for conveying, the discharge port is narrow, the conveying flow is large, the discharge port is prone to being blocked, meanwhile, the corner of the pipeline is also one of the reasons for blocking the device, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a block up the region through the pressure boost and dredge, avoid the bin outlet to block up through mechanical transmission simultaneously, improve the pneumatic conveyor system of practicality and prevent stifled device.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an anti-blocking device of a pneumatic conveying system comprises an air pump, a box body, a gas collecting box and a collecting box, wherein the output end of the air pump is fixedly connected with a first air pipe, the right end of the first air pipe is fixedly connected with a four-way pipe, the right end of the four-way pipe is in threaded connection with a first valve, the right end of the first valve is fixedly connected with a second air pipe, the front upper side of the box body is provided with a feed inlet which penetrates through the front and the back, the bottom end of the box body is provided with a first discharge port which penetrates through the top and the bottom of the box body, the bottom end of the first discharge port is communicated with the second air pipe, the top end of the four-way pipe is fixedly connected with a third air pipe, one end of the third air pipe, far away from the four-way pipe, penetrates through the top end of the box body and extends to the inside of the box body, the bottom end of the fourth air pipe, far away from the four-way pipe, penetrates through the left end of the gas collecting box and extends to the inside of the gas collecting box and is fixedly connected with a first one-way valve, the top end of the gas collection box is provided with a motor, the output end of the motor is fixedly connected with a rotating rod, the top end of the rotating rod penetrates through a second air pipe and a first discharge pipe and extends to the interior of the box body to be rotatably connected with a fixed plate, the front end and the rear end of the fixed plate are respectively fixedly connected with the inner front side wall and the inner rear side wall of the box body, the outer side of the rotating rod is fixedly connected with a helical blade which is positioned in the first discharge pipe and the box body, the right end of the second air pipe is fixedly connected with a three-way pipe, the bottom end of the three-way pipe is fixedly connected with a fifth air pipe, one end of the fifth air pipe, far away from the three-way pipe, is communicated with the right end of the gas collection box, the outer side of the fifth air pipe is provided with a second valve, the top end of the six air pipe, far away from the three-way pipe, is communicated with the top end of the collection box, the upper right side of the collection box is communicated with a scavenging valve, and the bottom end of the collection box is provided with a second discharge port which penetrates up and down, the inside fixedly connected with second row material pipe of second bin outlet, the bottom fixedly connected with third valve of second row material pipe.

Preferably, the inside fixedly connected with inlet pipe of feed inlet, the one end fixedly connected with conical hopper that the feed inlet was kept away from to the inlet pipe to the fourth valve is installed in the outside of inlet pipe.

Preferably, the inner upper side wall of the gas collecting box is fixedly connected with a pressure sensor.

Preferably, the upper right side of the gas collection box is fixedly connected with a pressure gauge.

Preferably, a second check valve is installed on the outer side of the fifth air pipe, and the second check valve is located above the second valve.

Preferably, the left end and the right end of the fixed plate are both fixedly connected with sliding plates, and the ends, far away from the fixed plate, of the two sliding plates are both inclined downwards.

(III) advantageous effects

Compared with the prior art, the utility model provides a pneumatic conveying system prevents stifled device possesses following beneficial effect:

1. this pneumatic conveying system prevents stifled device through setting up helical blade, makes the motor drive helical blade through the bull stick and rotates, makes helical blade rotate and drives the raw materials and arrange the second tuber pipe from first discharge pipe and transmit, prevents that first discharge pipe from blockking up, influences work efficiency, improves the practicality.

2. This pneumatic conveying system prevents stifled device, through setting up the gas collecting tank, when the corner of device blockked up, the gas that makes the air pump gets into the gas collecting tank and compresses, when pressure sensor detected pressure and increases to a definite value, opens the second valve, makes compressed gas get into the position that second tuber pipe and sixth tuber pipe will block up and dredge, improves the convenience of using.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a portion of the enlarged structure of FIG. 1 at B according to the present invention;

FIG. 3 is a schematic left-view structural view of the cross section of FIG. A-A according to the present invention;

fig. 4 is a front view of the present invention.

In the figure: 1. an air pump; 2. a box body; 3. a gas collection tank; 4. a collection box; 5. a first air duct; 6. a four-way pipe; 7. a second air duct; 8. a first valve; 9. a first discharging pipe; 10. a third air duct; 11. a fourth air duct; 12. a first check valve; 13. a motor; 14. a rotating rod; 15. a fixing plate; 16. a helical blade; 17. a three-way pipe; 18. a fifth air duct; 19. a second valve; 20. a sixth air duct; 21. a scavenging valve; 22. a second discharge pipe; 23. a third valve; 24. a feed pipe; 25. a conical funnel; 26. a fourth valve; 27. a pressure sensor; 28. a pressure gauge; 29. a second one-way valve; 30. a slide board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, an anti-blocking device for a pneumatic conveying system comprises an air pump 1, a box body 2, a gas collecting box 3 and a collecting box 4, wherein a first air pipe 5 is fixedly connected to an output end of the air pump 1, a four-way pipe 6 is fixedly connected to a right end of the first air pipe 5, a first valve 8 is connected to a right end of the four-way pipe 6 through threads, a second air pipe 7 is fixedly connected to a right end of the first valve 8, a front and rear penetrating feed inlet is formed in a front upper side of the box body 2, a first discharge port penetrating up and down is formed in a bottom end of the box body 2, a first discharge pipe 9 is fixedly connected to the inside of the first discharge port, a bottom end of the first discharge pipe 9 is communicated with the second air pipe 7, through the first discharge pipe 9, raw materials in the box body 2 enter the second air pipe 7 for transmission, a third air pipe 10 is fixedly connected to a top end of the four-way pipe 6, one end of the third air pipe 10, far away from the four-way pipe 6, penetrates through the top end of the box body 2 and extends to the inside of the box body 2, the air pump 1 discharges air into the box body 2 through the third air pipe 10, so that the air pump applies downward pressure to raw materials in the box body 2, the air in the second air pipe 7 is prevented from entering the box body 2, the transmission of the raw materials is prevented from being influenced, the practicability is improved, the bottom end of the four-way pipe 6 is fixedly connected with the fourth air pipe 11, one end, far away from the four-way pipe 6, of the fourth air pipe 11 penetrates through the left end of the air collection box 3 and extends to the inside of the air collection box 3 to be fixedly connected with the first one-way valve 12, the first one-way valve 12 is arranged to prevent the air from flowing back when the air is pressurized towards the inside of the air collection box 3, the use reliability is improved, the motor 13 is installed at the top end of the air collection box 3, the motor 13 is selected from a motor 13 with the model of y80m1-2, the motor 13 is a device directly purchased from the market and is well known by a person skilled in the art, the market, the motor is only used and is not structurally and functionally improved, it is not described in detail here, the output end of the motor 13 is fixedly connected with a rotating rod 14, the top end of the rotating rod 14 passes through the second air duct 7 and the first discharging duct 9 and extends to the interior of the box body 2 to be rotatably connected with a fixing plate 15, the front end and the rear end of the fixing plate 15 are fixedly connected with the inner front side wall and the inner rear side wall of the box body 2 respectively, the outer side of the rotating rod 14 is fixedly connected with a helical blade 16, the helical blade 16 is located inside the first discharging duct 9 and the box body 2, by arranging the helical blade 16, the motor 13 drives the helical blade 16 to rotate through the rotating rod 14, the helical blade 16 rotates to drive the raw materials to be discharged from the first discharging duct 9 into the second air duct 7 for transmission, the first discharging duct 9 is prevented from being blocked, the working efficiency is influenced, the practicability is improved, the right end of the second air duct 7 is fixedly connected with a three-way pipe 17, the bottom end of the three-way pipe 17 is fixedly connected with a fifth air duct 18, one end of the fifth air pipe 18 far away from the three-way pipe 17 is communicated with the right end of the air collecting box 3, a second valve 19 is arranged on the outer side of the fifth air pipe 18, a pressure sensor 27 is fixedly connected with the inner upper side wall of the air collecting box 3, the air collecting box 3 is arranged, when a corner of the device is blocked, air of the air pump 1 enters the air collecting box 3 to be compressed, when the pressure sensor 27 detects that the pressure is increased to a certain value, the second valve 19 is opened, the compressed air enters the second air pipe 7 and the sixth air pipe 20 to dredge the blocked position, the use convenience is improved, the top end of the three-way pipe 17 is fixedly connected with a sixth air pipe 20, one end of the sixth air pipe 20 far away from the three-way pipe 17 is communicated with the top end of the collecting box 4, the upper right side of the collecting box 4 is communicated with a scavenging valve 21, the bottom end of the collecting box 4 is provided with a second discharging port which penetrates up and down, a second discharging pipe 22 is fixedly connected with the inside of the second discharging port, the bottom end of the second discharging pipe 22 is fixedly connected with a third valve 23.

It should be further noted that the feeding port is fixedly connected with a feeding pipe 24, one end of the feeding pipe 24 far away from the feeding port is fixedly connected with a conical funnel 25, a fourth valve 26 is installed outside the feeding pipe 24, the box body 2 is sealed by arranging the fourth valve 26, gas is prevented from being discharged from the feeding pipe 24, a pressure gauge 28 is fixedly connected to the upper right side of the gas collection box 3, the pressure gauge 28 is arranged to facilitate a worker to check the pressure inside the gas collection box 3 through the pressure gauge 28, so as to improve the use convenience, a second check valve 29 is installed outside the fifth air pipe 18, the second check valve 29 is positioned above the second valve 19, the pressure of the gas collection box 3 is reduced after exhausting air to the second air pipe 7 and the sixth air pipe 20 by arranging the second check valve 29, so as to prevent raw materials from flowing back to the inside of the gas collection box 3, so as to improve the use reliability, a slide plate 30 is fixedly connected to both the left end and the right end of the fixing plate 15, the one end that fixed plate 15 was kept away from to two slides 30 all slopes down, through setting up two slides 30, makes it prevent that the raw materials from gathering to the junction of bull stick 14 and fixed plate 15, influences the rotation of bull stick 14, improves the practicality.

To sum up, the working principle and working process of the anti-blocking device for the pneumatic conveying system are that, when in use, raw materials are poured into the box body 2 through the conical funnel 25, then the fourth valve 26 is closed, the air pump 1 and the motor 13 are opened, the air pump 1 discharges air into the box body 2 through the third air pipe 10, the raw materials in the box body 2 are applied with downward pressure, meanwhile, the motor 13 drives the helical blades 16 to rotate through the rotating rod 14, the helical blades 16 rotate to drive the raw materials to be discharged into the second air pipe 7 from the first air discharge pipe 9 for transmission, the first air discharge pipe 9 is prevented from being blocked, the raw materials in the box body are transmitted through the second air pipe 7 discharged by the air pump 1, the raw materials are discharged into the collecting box 4 through the sixth air pipe 20, when the corners of the device are blocked, the air in the air collecting box 3 of the air pump 1 is compressed, when the pressure sensor 27 detects that the pressure is increased to a certain value, and (3) closing the fan, enabling the motor 13 to drive the helical blade 16 to rotate reversely, and opening the second valve 19 and the fourth valve 26 to enable compressed air to enter the second air pipe 7 and the sixth air pipe 20 to dredge the blocked position.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stifled device is prevented to pneumatic conveying system, includes air pump (1), box (2), gas collection case (3) and collecting box (4), its characterized in that: the air pump is characterized in that the output end of the air pump (1) is fixedly connected with a first air pipe (5), the right end of the first air pipe (5) is fixedly connected with a four-way pipe (6), the right end of the four-way pipe (6) is in threaded connection with a first valve (8), the right end of the first valve (8) is fixedly connected with a second air pipe (7), the front upper side of the box body (2) is provided with a feed inlet which penetrates through the box body from front to back, the bottom end of the box body (2) is provided with a first discharge port which penetrates through the box body from top to bottom, the inside of the first discharge port is fixedly connected with a first discharge pipe (9), the bottom end of the first discharge pipe (9) is communicated with the second air pipe (7), the top end of the four-way pipe (6) is fixedly connected with a third air pipe (10), one end, far away from the four-way pipe (6), of the third air pipe (10) penetrates through the top end of the box body (2) and extends into the box body (2), the bottom end of the four-way pipe (6) is fixedly connected with a fourth air pipe (11), one end of a fourth air pipe (11) far away from the four-way pipe (6) penetrates through the left end of the air collection box (3) and extends to the inside of the air collection box (3) to be fixedly connected with a first one-way valve (12), a motor (13) is installed at the top end of the air collection box (3), an output end of the motor (13) is fixedly connected with a rotating rod (14), the top end of the rotating rod (14) penetrates through a second air pipe (7) and a first discharging pipe (9) and extends to the inside of the box body (2) to be rotatably connected with a fixing plate (15), the front end and the rear end of the fixing plate (15) are respectively and fixedly connected with the inner front side wall and the inner rear side wall of the box body (2), a spiral blade (16) is fixedly connected to the outer side of the rotating rod (14), the spiral blade (16) is positioned inside the first discharging pipe (9) and the box body (2), and a three-way pipe (17) is fixedly connected to the right end of the second air pipe (7), the bottom fixedly connected with fifth tuber pipe (18) of three-way pipe (17), the one end that three-way pipe (17) were kept away from in fifth tuber pipe (18) and the right-hand member intercommunication of gas collecting box (3), second valve (19) are installed in the outside of fifth tuber pipe (18), the top fixedly connected with sixth tuber pipe (20) of three-way pipe (17), the one end that three-way pipe (17) were kept away from in sixth tuber pipe (20) and the top intercommunication of collecting box (4), the last right side intercommunication of collecting box (4) has breather valve (21), and the bottom of collecting box (4) is provided with the second bin outlet that runs through from top to bottom, and the inside fixedly connected with second blow-off pipe (22) of second bin outlet, the bottom fixedly connected with third valve (23) of second blow-off pipe (22).

2. The pneumatic conveying system anti-blocking device according to claim 1, characterized in that: the inside fixedly connected with inlet pipe (24) of feed inlet, one end fixedly connected with cone funnel (25) of feed inlet is kept away from in inlet pipe (24) to fourth valve (26) are installed in the outside of inlet pipe (24).

3. The pneumatic conveying system anti-blocking device according to claim 2, characterized in that: and the inner upper side wall of the gas collection box (3) is fixedly connected with a pressure sensor (27).

4. The pneumatic conveying system anti-blocking device according to claim 3, characterized in that: the upper right side of the gas collection box (3) is fixedly connected with a pressure gauge (28).

5. The pneumatic conveying system anti-blocking device according to claim 4, characterized in that: and a second one-way valve (29) is arranged on the outer side of the fifth air pipe (18), and the second one-way valve (29) is positioned above the second valve (19).

6. The pneumatic conveying system anti-blocking device according to claim 5, characterized in that: the left end and the right end of the fixed plate (15) are fixedly connected with sliding plates (30), and one ends, far away from the fixed plate (15), of the two sliding plates (30) incline downwards.